Атипичный гемолитико-уремический синдром (аГУС) – ультраредкое генетически детерминированное заболевание, обусловленное неконтролируемой активацией альтернативного пути комплемента. Органом мишенью при аГУС являются почки из-за высокой чувствительности к активации и дисрегуляции комплемента за счет фенестрированной архитектуры эндотелия клубочков, отсутствия поверхностно связанных регуляторов комплемента в гломерулярной базальной мембране и высокой зависимости эндотелиальных клеток клубочков от фактора роста эндотелия сосудов. В 20% случаев у пациентов с аГУС могут диагностироваться внепочечные симптомы, которые могут быть как проявлениями, так и осложнениями заболевания.
Атипичный ГУС – орфанное заболевание с прогрессирующим течением и неблагоприятным прогнозом, в основе которого лежит хроническая неконтролируемая активация альтернативного пути комплемента
наследственной (мутации генов, кодирующие белки комплемента) или приобретённой природы (антитела к фактору Н), ведущая к развитию системной комплемент-опосредованной тромботической микроангиопатии
(ТМА) с генерализованным тромбообразованием в сосудах микроциркуляторного русла. Терапевтический подход к аГУС был радикально усовершенствован с открытием и внедрением в клиническую практику экулизумаба – гуманизированного моноклонального антитела к С5-фракции комплемента.
Развитие современных медицинских технологий, позволяет проводить терапию пациентов с длительными нарушениями витальных функций, с массивной инвазивной терапией (катетеризация сосудов, в том числе центральных, длительная ИВЛ, заместительная почечная терапия, химиотерапия и др.). Увеличивая инвазивность терапии и длительность пребывания больных в ОРИТ, получая таким образом лучшие исходы лечения, мы получаем и новые проблемы. Внутрибольничные, нозокомиальные, инфекции, связанные с оказанием медико-санитарной помощи (ИСМП) – всё это название одной группы заболеваний. Согласно данным иностранной литературы, частота развития ИСМП колеблется в различных странах от 5-30%. В среднем в развитых странах, представляющих информацию по резистентной флоре в ВОЗ 5-10%, в 3-4 раза увеличивается стоимость лечения, в 4-7 раз увеличивается риск летального исхода. В Европе экономический ущерб от ИСМП составляет ежегодно 7,0 млрд. евро, в США 6,5 млрд. долларов. В США, до последнего времени ИСМП – четвертая причина смертности. По данным ВОЗ прогрессивный рост лекарственной устойчивости микроорганизмов внесён в десятку наиболее опасных для здоровья человечества проблем, в 2050 г. смертность от антибиотикорезистентной флоры выйдет на первое место, среди других заболеваний и может достигнуть 10 млн. человек в год.
The aim of the study is to development of an algorithm for managing pregnancy and childbirth by studying the functional state of the mother-placenta-fetus system in pregnant women who have undergone COVID-19 in different trimesters of pregnancy.
The object of the study was 105 pregnant women who, were treated at the Samarkand Regional Perinatal Center and a specialized maternity center for pregnant women with COVID-19
Тhe scientific novelty of the research consists of the followings: for the first time in pregnant women infected with COVID-19, a relationship was established between the course of pregnancy, childbirth, the postpartum period and the development of complications depending on the trimester and severity of the disease; a direct correlation has been established between the state of the vessels of the mother-placenta-fetus system (resistance and pulsation indices, Endothelin-1 indicators), disorders in the hemostasis system (D-dimer, platelet aggregation) and the clinical course of the disease in pregnant women who underwent COVID-19; it has been established for the first time that the developed scale for assessing risk factors for non-developing pregnancy in women infected with COVID-19 (age, BMI, obstetric history, gestation period, hemostasis system status, endothelial function and severity of the disease) can serve as a prognostic marker of the degree of risk of pregnancy complications; it was proved for the first time that the choice of effective therapy for restoring hemodynamics in the mother-placenta-fetus system, in women who underwent COVID-19 at different stages of pregnancy, leads to a decrease in the number of thrombophilic complications.
Implementation of the research results. The results of the scientific research were introduced into the practical activities of the Samarkand Regional Perinatal Center by Order No. 128/1 of 01.09.2022 and the Samarkand City Maternity Complex No. 1 by order No. 58/1 of 03.10.2022. In pregnant women who underwent COVID-19 at different periods of pregnancy, changes in the mother-placenta-fetus system were determined using simple and effective research methods, such as ultrasound and Dopplerography, and this saved 53,000 soums; obstetricians and gynecologists, as well as neonatologists and therapists, are needed to diagnose signs of complications in the echocartin, that is, it has been proven that there is no need for other highly qualified specialists for this, due to the lack of need to train new personnel, state budget funds have been saved. With early detection of disorders in the hemostasis system in pregnant women with COVID-19: the period of stay of patients in the hospital was reduced from 10.5 days to 7.5 days and the number of hospital bed days was reduced; due to the reduction of the period of stay in the hospital for several days, the number of necessary drugs was reduced (on average, drugs are used for 1 day in the amount of 130,000 soums). Examination of pregnant women infected with viral diseases using simple and effective research methods such as ultrasound and Dopplerography served to save 85,000 soums: in the early stages up to 16 (10-11 weeks. - fetometry), 19-21, 32-34, 38-40 weeks of pregnancy; due to the absence of the need to use other research methods, it was possible to reduce costs by 23.5%; early detection of changes in the hemostasis system and endothelial dysfunction using fast, budgetary and effective research methods, contributed to the prevention of possible pregnancy complications, as well as the absence of the need to use long-term and expensive research methods, and this saved 106 000 soums: the coagulogram was checked in 105 (100%) patients, time was saved and efficiency was increased; endothelin-1 was also determined in 105 (100%) patients, efficiency was increased by 78.6%.
Improving the functionality of blood circulation in the uteroplacental and fetal-placental systems, a comprehensive analysis of possible complications during pregnancy and childbirth in women who have had viral infections, improving diagnostic, preventive and prognostic measures for managing pregnancy and childbirth contributed to the birth of live, full-term and healthy newborns in women who experienced COVID-19 during pregnancy, as well as a decrease in maternal mortality and perinatal mortality, 43% of women underwent rehabilitation in the postpartum period, 23.8% of women who underwent severe COVID-19 improved their quality of life.
To introduce scientific novelty on the topic “The impact of COVID-19 on the state of hemodynamics in the mother-placenta-fetus system in pregnant women”, a letter was sent to the Ministry of Health from Samarkand State Medical University on November 9, 2022 under No. 4295 (Conclusion of the Ministry of Health No. 8 n-z / 679 of December 15, 2022).
The structure and volume of the dissertation. The content of the dissertation consists of an introduction, five chapters, conclusion, list of used references. The volume of the dissertation consists of 113 pages.
In modern abdominal surgery, one of the current areas for research continues to be the improvement of various options for plastic surgery of postoperative hernias. More than 2,100,000 operations for ventral hernia are performed annually in the world, and 42% of them are postoperative hernias. In recent years, there has been a clear trend toward the expanded use of various types of biological meshes in hernioplasty. “A pooled analysis of seven PCSTAR studies for incisional hernias using retromuscular mesh showed a hernia recurrence rate of 5.7%”[1]. The use of standard surgical interventions such as alloplasty in the onlay position does not solve the problem of early postoperative complications: seroma discharge, mesh migration, adhesive disease, high frequency of hernia recurrence, etc. At the same time, hernia repair with local tissue creates the problem of increased intra-abdominal pressure and late complications in the form of recurrent hernias. “An increase in postoperative intra-abdominal pressure leads to multiple organ failure, then abdominal compartment syndrome, and even death.” [2]. Currently, there is no consensus on the surgical approach for giant postoperative abdominal wall hernias, and therefore the need to continue to develop new technologies and improve There is no doubt about the tactics. In world practice, at present, the most relevant studies continue to be studies aimed at studying the morphological and functional aspects of recurrent postoperative ventral hernias; electron microscopy reveals ultrastructural destructive changes in skin cells, aponeurosis and muscles, which indicates morphofunctional insufficiency of abdominal wall tissues; issues of cell engineering are discussed new innovative materials, experimental studies are being carried out on animals testing the biotechnical properties, texture and elasticity of new polymers, research is being conducted on open approaches with division of the posterior component with the release of the transverse abdominis muscle and a retrograde mesh, robotic operations have begun. Modern aspects of the development of domestic healthcare include many measures aimed at improving the results of treatment of patients with postoperative ventral hernias and associated pathological conditions through the introduction of modern principles of intensive care and surgical tactics. The development strategy of New Uzbekistan for 2022-2026 in seven priority areas includes tasks to improve the quality of provision of qualified medical services to the population[3]. The implementation of these tasks, including by optimizing tactical and technical approaches to the choice of hernioplasty method, as well as the development of methods for the prevention of purulent-inflammatory complications in the field of alloplastic material, is one of the current areas of abdominal surgery and medicine in general, due to the high medical and social the significance of this pathology.
This dissertation research to a certain extent serves to fulfill the tasks approved by the Decree of the President of the Republic of Uzbekistan “On comprehensive measures to radically improve the healthcare system of the Republic of Uzbekistan” No. UP-5590 dated December 17, 2018, the Resolutions of the President of the Republic of Uzbekistan “On measures to transform the surgical service, improving the quality and expanding the scale of surgical operations in the regions" for No. PP-5254 dated October 4, 2021 and "On additional measures to ensure public health by further increasing the efficiency of medical prevention work" for No. PP-4891 dated November 12, 2020, and as well as other regulatory documents adopted in this area. Compliance of the research with the priority directions of development of science and technology of the republic. The dissertation research was carried out in accordance with the priority direction of development of science and technology of the VI Republic “Medicine and Pharmacology”. Review of foreign scientific research on the topic of the dissertation.[4] Research work aimed at improving the quality of therapeutic and preventive care for patients with ventral hernias, carried out by many leading scientific centers and higher educational institutions in the world, including the Department of Surgical and Perioperative Sciences, Umeå University, Umeå (Sweden), Department of Surgery, Kingston General Hospital, 76 Stuart Street, Kingston (Sweden). nada), Department of Surgery, Helsinki University Hospital, Helsinki ( Finland), Service de chirurgie digestive et oncologique, CHU d'Amiens (France), Department of Biostatistics and Epidemiology, University of Oklahoma Health Sciences Center, Tulsa (USA), Department of Surgery, Howard University College of Medicine, Washington (USA) , Yong Loo Lin School of Medicine, National University of Singapore (Singapore), Department of Surgery, Michigan Medicine, Ann Arbor, MI, USA; University of Calgary, Calgary (Canada), Division of Plastic Surgery, Perelman School of Medicine at the University of Pennsylvania, University of Pennsylvania Health System, Philadelphia (USA), Brigham and Women's/Faulkner Hospital, Harvard Medical School, Boston (USA) , Department of Surgical Sciences, Uppsala University Hospital, Uppsala (Sweden), Department of Surgery, University of Texas Health Sciences Center at Houston, Houston (USA), Department of Surgery, Erasmus University Medical Center Rotterdam, Rotterdam (Netherlands), Department of Preventive Medicine and Public Health, Faculty of Medicine, Fukuoka University, Fukuoka (Japan), National Medical Research Center for Surgery named after A.V. Vishnevsky" (Russia), Republican Scientific Center for Emergency Medical Care (Uzbekistan), Tashkent Medical Academy (Uzbekistan), Republican Specialized Scientific and Practical Medical Center for Surgery named after Academician V. Vakhidov (Uzbekistan).
As a result of studies conducted around the world to increase the effectiveness of alloplasty for postoperative ventral hernias and reduce the risk of complications in the postoperative period, a number of scientific results were obtained, including: it was determined that patients who underwent reconstruction of the abdominal wall have an increased risk of postoperative respiratory failure, understanding the epidemiology of this complication can improve prevention (the Division of Plastic and Reconstructive Surgery, Department of Surgery, Oregon Health & Science University, USA); It has been proven that the larger the hernia, the higher the risk of early surgical complications, including such as respiratory decompensation, since hernias often increase in size over time, delaying surgery can lead to an increase in the size of the hernia and, therefore, a greater risk of complications (CentreforDigestiveDiseases, KarolinskaUniversityHospital, Stockholm, Sweden); it has been shown that the ratio of the hernia volume to the volume of the abdominal cavity <20% is an independent factor in tension-free closure, which justifies the interest in preoperative volumetry to adapt the tactics of surgical care (Servicedechirurgiegénérale, digestiveetendocrinienne, CHU LyonSud, HospicescivilsdeLyon, France); It has been determined that in patients undergoing elective laparoscopic hernia repair, predictors of mortality are older age and certain concomitant diseases: congestive heart failure, pulmonary circulatory disorders, coagulopathy, liver disease, metastatic cancer, neurological disorders and paralysis (Department of Surgery, College of Medicine, University of Oklahoma, Tulsa , USA); Older age, ascites, preoperative renal and pulmonary insufficiency have been found to be independent predictors of 30-day mortality, and in the presence of these risk factors, conservative treatment should be seriously considered (Department of Surgery, University of Kentucky College of Medicine, Lexington, USA); The American College of Surgeons (ACS) Universal Surgical Risk Calculator has been shown to accurately predict thirty-day outcomes, including major complications: venous thromboembolism, medical morbidity, surgical site infection, unplanned reoperation, mortality, and length of hospital stay (Department of Plastic Surgery, Brown University and Rhode Island Hospital, Providence, USA). At the present time in the world, the most relevant research in surgery continues to be the development of new methods of hernioplasty for large and giant ventral hernias, each of which has its own pros and cons depending on the complexity of implementation, the risk of postoperative complications and relapse, large randomized clinical trials are being conducted, comparing existing methods of traditional hernioplasty with laparoscopic access and robotic surgery, which has become increasingly widespread in the last 10 years, a search is being made for new synthetic and biological materials developed for the production and use of composite meshes that have the necessary strength and the ability to prevent fatal local complications in a contaminated environment. However, despite technical advances in this field, no modern hernia repair method or prosthesis meets all the requirements. One of the key problems is that existing synthetic endoprostheses do not have sufficient elasticity, resistance to infection, high mechanical strength and integrity over a long period of time. Further research into these clinical aspects will undoubtedly improve the current understanding of the capabilities of biocompatible endoprostheses and will make it possible to develop an optimal method for their placement during allohernioplasty. The degree of knowledge of the problem. The current period of development of abdominal surgery is characterized by an emphasis on the problems of the effectiveness of introducing new installation methods and techniques for attaching bioprostheses, options for various suture materials to determine the most promising directions for the development of these technologies [5]. Researchers led by BittnerR.[6] (2019) state that a giant postoperative abdominal wall hernia, the maximum diameter of which exceeds 12 cm or the ratio of the volume of the hernial sac to the abdominal cavity more than 20%, is difficult to treat, with a high recurrence rate and a large number of complications. One of the most challenging problems is that after the hernia contents return to the abdominal cavity, postoperative intra-abdominal pressure will increase, leading to multiple organ failure, then abdominal compartment syndrome (ACS), and even death. There is currently no agreement on the surgical approach for these giant incisional abdominal wall hernias. To prevent recurrences, some articles recommend placing the hernia mesh in the sublayer position and or linings (KirkpatrickAW.)[7]. According to CornetteB.[8], to prevent recurrence, it is recommended to place the hernia mesh in a sublayer or underlay position, and to achieve better mesh expansion, a component separation technique (CST) may be a suitable solution, but with a significant risk of complications and recurrence. JensenKK, et al. believe that truly successful giant hernia repair requires effective bridging or augmentation that will prevent recurrence with an acceptable risk of complications[9]. Another pressing issue in abdominal surgery is that patients with incisional hernias are extremely difficult to treat due to a number of factors including obesity, previous hernia repair, previous mesh placement, domain loss, and other variables.
The approach to patients with incisional hernias has changed significantly over the past 20 years due to both advances in mesh technology and surgical approaches. Key factors for successful outcome include modification of risk factors preoperatively, such as smoking cessation and weight loss, selection of mesh appropriate for the type of hernia and planned mesh location, and wide mesh coverage beyond the hernia defect. New techniques such as transabdominal muscle release and component separation with retrograde mesh placement and robotic approaches to abdominal wall hernia are increasingly being used in these patients[10]. Recent years have seen an increase in the number of biological meshes available for abdominal wall hernia repair. Biological meshes typically consist of materials obtained from humans, pigs, or cattle. The rationale for using biological meshes is that they can act as a scaffold for the growth of natural tissues. In addition, there are absorbable synthetic meshes that have properties similar to those of biological meshes, but with theoretically less risk because they are not derived from animal or human material. The choice of mesh for a ventral hernia depends on many factors, which include both the properties of the mesh and its location, for example, whether it should be placed intraperitoneally, preperitoneally, or retrorectus. BaierKF[11](2021) believes that the guiding principle should be to avoid placing uncoated polypropylene mesh in an intraperitoneal location where it may be in direct contact with internal organs. In addition, the type of hernia defect is another risk factor, such as whether the wound is clean or dirty, and whether the repair is performed with a bridge or abutment. Lightweight or biologic meshes to bridge the defect should be avoided due to increased recurrence rates. Holihan JL [12] (2016), Hodgkinson JD [13] (2018) believe that the principle of anatomical restoration to achieve a reliable, tension-free repair with reinforced mesh reduces the incidence of early postoperative complications and late recurrence of hernia compared with bridging mesh. The analysis of the literature concerning the theoretical aspects and clinical experience of using technologies for improving modern synthetic and biological prostheses that can provide a better plastic effect, as well as methods for preventing recurrence of ventral hernias, indicates that this is one of the priority areas in modern abdominal surgery. An unresolved issue remains the choice of the optimal endoprosthesis, which is highly effective and meets international standards for such properties as biological inertness and mechanical strength, as well as the method of positioning the mesh in relation to the layers of the abdominal wall. Considering that many of the allohernioplasty methods used today are not without drawbacks, the current direction is the development of new methods of repair for giant ventral hernias and methods for the prevention of postoperative complications in conditions of a contaminated wound, with justification of their effectiveness in a clinical experimental study. The connection between the dissertation research and the research plans of the research institution where the dissertation was completed. The dissertation research was carried out within the framework of the research work plan of the State Institution “RSNPMCH named after. acad. V. Vakhidov" under the project AL-422105574 "Development of new biocompatible mesh implants made of composite materials for reconstructive surgery of abdominal and diaphragmatic hernias" (2022-2024).
The purpose of the study is to improve the results of surgical treatment of large and giant postoperative ventral hernias by introducing new laser technologies and improving the tactical and technical aspects of surgical treatment. Objectives of the study: to study the structure of immediate complications after various types of prosthetic plastic surgery; to clarify the influence of obesity factors, primary or repeat hernioplasty on the incidence of immediate and long-term complications; to evaluate the role of the immediate complicated course of the postoperative period in the incidence of long-term complications of hernioplasty; to improve the technical aspects of alloplasty for large and giant postoperative ventral hernias (POVH); to improve the technique of photodynamic therapy (PDT) of the wound surface after prosthetic plastic surgery; to study in an experiment the effectiveness of using the proposed technique of alloplasty and PDT; evaluate the morphological features of the condition of tissues during prosthetic plastic surgery using the proposed method; in a comparative aspect, evaluate the clinical effectiveness of the proposed alloplasty options in the immediate and long-term periods. The object of the study was the results of allohernioplasty in 448 patients with extensive (large) and giant POVH, who were operated on at the surgical department of the 1st clinic of the Samarkand State Medical Institute in the period from 2012 to 2021, as well as experimental animals on which the effectiveness was assessed developed a technique for prosthetic repair of postoperative ventral hernias and applied the technique of photodynamic therapy.
The subject of the study is to analyze the effectiveness of the developed alloplasty of postoperative ventral hernias and intraoperative photodynamic therapy in abdominal surgery in experiments and in the clinic. Research methods. To achieve the goal of the study and solve the assigned problems, general clinical, instrumental, biotechnological, experimental, histomorphological, microbiological and statistical research methods were used. The scientific novelty of the study is as follows: it was established that the need for extensive tissue mobilization and, as a consequence, the intersection of lymphatic capillaries during implantation of the prosthesis in the onlay position, as well as the lack of sufficient resorption function of the hernial sac in the inlay position causes a high risk of the formation of clinically significant seromas; It was determined that with prosthetic hernioplasty, along with the volume of the defect, the type of plastic surgery and the degree of obesity, the most significant predictor of the risk of developing immediate complications is the factor of re-intervention in case of recurrent hernia with the presence of a “dormant infection” hidden in the remaining ligature granulomas or scar tissue; the structure and clinical features of the course of long-term complications of hernioplasty for giant and extensive hernias were clarified, taking into account the results of the immediate postoperative period, as well as the option of fixing the prosthesis, primary or repeated hernioplasty and the degree of obesity; the method of surgery for large hernias of the anterior abdominal wall has been improved, characterized by a combination of factors such as the formation of tension-free prosthetic repair, preservation of local resorptive function to prevent the development of fluid accumulations and reducing the risk of infection; the method of preventing the development or progression of wound infection during alloplasty of ventral hernias has been improved, aimed at enhancing the antibacterial effect and stimulating reparative activity through the photosensitizing and photodynamic effect of low-energy laser radiation; It was determined in an experimental model of prosthetic plastic surgery that the proposed method of fixing the prosthesis in combination with the use of the effect of photodynamic therapy through laser radiation helps to enhance reparative processes with a reduced risk of wound complications; It has been proven that all methods of antiseptic exposure and laser stimulation of the wound surface after prosthetic plastic surgery enhance preventive measures against the development of local infection, but are ineffective in the case of an already developed purulent-inflammatory process against the background of the use of alloplastic material. The practical results of the study are as follows: it has been determined that the implantation of synthetic materials for giant and extensive hernias is accompanied by a significant number of wound complications caused by both the surgical technique itself and the reaction of surrounding tissues to a foreign body, requiring improvement of tactical and technical approaches when performing hernioplasty; it was clarified that scar-degenerative changes in the tissues of the aponeurosis in giant and extensive hernias are a predisposing factor to the occurrence of post-prosthetic hernias, especially when implanting the prosthesis in the “inlay” position and, accordingly, require increasing the efficiency of their fixation and engraftment, as well as reducing the risk of developing local complications; it was determined based on the data of an experimental study that the proposed method of alloplasty for large ventral hernias makes it possible to achieve adequate reconstruction of the anterior abdominal wall, reduce the incidence of infection in the wound, and also use a smaller size of prosthetic material; it was determined that the proposed method of tension-free repair of large hernias of the anterior abdominal wall with strengthening of the aponeurosis with a mesh implant allows maintaining physiology, reducing the number of complications, shortening treatment time and reducing the risk of hernia recurrence; It has been determined that the proposed method for preventing the development or progression of wound infection during alloplasty of ventral hernias can reduce the frequency of suppuration, shorten the treatment time and the likelihood of relapse; It has been proven that the use of the proposed tactical and technical aspects of prosthetic repair for postoperative ventral hernias can reduce the incidence of specific complications, reduce rehabilitation time and the risk of hernia recurrence. Reliability of the research results. The reliability of the results is justified by the use of objective criteria for assessing the condition of patients, modern methods of diagnosis and treatment, the correct application of methodological approaches and sets of statistical analysis, methods for solving the problems discussed in the dissertation are based on modern scientific and practical concepts and approaches to the diagnosis and surgical treatment of patients with giant postoperative hernias. Scientific and practical significance of the research results. The results obtained make a significant contribution to the expansion of irradiation of existing ideas about the structure and clinical features of complications of hernioplasty for giant and extensive ventral hernias by identifying the morphological features of the development of a purulent-inflammatory process against the background of the use of alloplastic material, studying predictors of the risk of developing immediate complications, mechanisms for enhancing reparative processes through the use of an improved method of fixing the prosthesis in together using the effect of photodynamic therapy through laser radiation, which made it possible to enhance the antibacterial effect and improve the wound healing process. The practical significance of the study is that, based on the results obtained, the tactical and technical aspects of prosthetic hernioplasty have been optimized, the features of methods of antiseptic exposure and laser stimulation of the wound surface after prosthetic repair have been revealed, enhancing preventive measures for the development of local infection, and the method of surgery for large anterior abdominal hernias has been improved walls, characterized by a combination of factors such as the formation of tension-free prosthetic plasty, preservation of local resorptive function to prevent the development of fluid accumulations, thereby reducing the risk of developing postoperative complications, reducing the frequency of unsatisfactory results, length of hospitalization and the likelihood of relapse. Implementation of research results. According to the results of a scientific study to optimize the tactical and technical aspects of surgical treatment of large and giant postoperative ventral hernias: the “method for plastic surgery of giant hernias of the anterior abdominal wall” has been improved (invention patent No. IAP 2022 0148 dated April 18, 2022). The proposed method of tension-free repair of large hernias of the anterior abdominal wall with strengthening of the aponeurosis with a mesh implant made it possible to reduce the number of complications, shorten the treatment time and reduce the risk of hernia recurrence; the “method for preventing the progression of infection during alloplasty of infected hernias” has been improved (certificate of the Ministry of Health No. 08-32071 dated October 17, 2022). The proposed method made it possible to reduce the frequency of wound purulent-inflammatory complications and shorten the period of rehabilitation of patients after allohernioplasty; methodological recommendations “Tactical and technical aspects of prosthetic repair for large and giant postoperative ventral hernias” have been developed (certificate of the Ministry of Health No. 08-32071 dated October 17, 2022) . The developed recommendations made it possible to optimize the tactical and technical aspects of allohernioplasty in patients with large and giant postoperative ventral hernias; The scientific results obtained were introduced into the practical activities of healthcare, in particular, in the departments of surgery of the Khorezm and Andijan regional multidisciplinary medical centers, the clinic of the Samarkand State Medical University (certificate of the Ministry of Health No. 08-32071 dated October 17, 2022). Improving the tactical and technical aspects of prosthetic repair for postoperative ventral hernias has made it possible to reduce the incidence of specific immediate complications from 40.9% to 15.6%, to reduce rehabilitation time from 8.6±2.7 to 7.1±1.5 days, and also reduce the likelihood of long-term complications from 11.7% to 3.1%. Approbation of research results. The results of this study were discussed at 8 scientific and practical conferences, including 5 international and 3 republican ones. Publication of research results. 26 scientific works have been published on the topic of the dissertation, including 9 journal articles, 4 of which in republican and 5 in foreign journals recommended by the Higher Attestation Commission of the Republic of Uzbekistan for publication of the main scientific results of doctoral dissertations. Structure and scope of the dissertation. The dissertation consists of an introduction, seven chapters, a conclusion, conclusions, practical recommendations and a list of cited literature. The volume of work is 200 pages.
The aim of the research work is to improve the results of treatment of patients with combined injuries of the pelvis and femur, by developing tactical and technical aspects based on the severity of the injury and the severity of the condition.
The object of the study was 130 patients with injuries of the pelvic and hip bones with concomitant trauma, treated at the Republican Scientific Center for Emergency Medical Aid and its Samarkand branch for the period 2016-2021 years.
The scientific novelty of the research work is the following: the structure and frequency of combined injuries of the pelvis and femur in the general structure of injuries, in the structure of injuries to the pelvis and femur separately were evaluated. the risk factors for the development of unsatisfactory results of treatment of concomitant injuries of the pelvis and hip, based on traditional clinical and diagnostic standards, have been determined; a direct relationship has been proven in the dynamics of the condition of the victims and the prognosis, taking into account the type and nature of segmental injuries; the device for external fixation for stable functional minimally invasive osteosynthesis has been improved and the possibility of expanding the indications for surgical treatment for combined injuries of the pelvis and hip in the early period of traumatic disease has been proved; the technical advantages of a complete set of an improved rod device for external fixation have been proved, the pelvic and femoral versions of which make it possible to use them for effective stabilization of the pelvis and hip separately during anti-shock measures, and for the final reposition of bone fragments; the direct dependence of treatment results on the proposed tactics of providing trauma care at an early hospital stage, depending on the type, nature, severity of pelvic and hip injuries, and the severity of the condition has been proved.
The introduction of research results. Based on the results of scientific research to improve the surgical aspects of providing assistance to victims with concomitant injuries of the pelvis and femur: based on the results of the development of a device for the treatment of fractures, a patent for an invention was obtained from the Intellectual Property Agency of the Russian Federation "Apparatus for the treatment of combined fractures of the pelvic and hip bones" (patent No. 2749897 dated 06/18/2020). The results obtained made it possible to improve the tactics of surgical treatment of patients, to shorten the period of hospitalization and the period of postoperative rehabilitation, to ensure the possibility of patients with minimal economic costs; on the basis of the results of scientific research on the diagnosis and treatment of concomitant injuries of the pelvic and femur bones, methodological recommendations were approved "Method for the treatment of victims with concomitant injuries of the pelvis and hip, depending on the severity" (Conclusion of the Ministry of Health of the Republic of Uzbekistan No. 8 n-z / 288 dated August 31, 2021 of the year). The results obtained made it possible to improve the quality of wound diagnosis and rehabilitation of patients with injuries of the pelvic and hip bones in concomitant injury; approved methodological recommendations "Tactics of rendering assistance to victims with combined injuries of the pelvis and hip, taking into account the severity of the condition" (Conclusion of the Ministry of Health of the Republic of Uzbekistan No. 8 n-z / 288 of August 31, 2020). The results obtained made it possible to improve the tactical and technical aspects in the treatment of injuries to the pelvic and hip bones, based on the severity of the injury and the severity of the patient's condition.
Scientific results have been introduced into the practical activities of healthcare, in particular, the Samarkand branch of the Republican Specialized Scientific and Practical Medical Center of Traumatology and Orthopedics, the Jizzakh Branch of the Republican Scientific Center for Emergency Medical Aid, the Samarkand branch of the Republican Scientific Center for Emergency Medical Aid (certificate of the Ministry of Health No. 08-09 / 18979 dated December 02, 2021). The proposed tactics for the treatment of combined injuries of the pelvis and femur made it possible to reduce the incidence of postoperative complications of excellent and good long-term functional results from 66.1% to 92.6%.
The structure and scope of the dissertation. The dissertation consists of an introduction, five chapters, conclusions, practical recommendations, a list of referencesand applications. The volume of the text material of the work is 111 pages.
The aim of the study is to improving the quality of treatment of ventral hernias in patients with morbid obesity by improving the tactical and technical aspects and optimizing the choice of hernioplasty method.
The object of the study were 121 patients with ventral hernias and morbid obesity who were hospitalized in the surgical department of the 1st clinic of the Samarkand State Medical University in the period from 2012 to 2021.
The scientific novelty of the study is as follows: a method was developed for preoperative preparation of patients with ventral hernia and morbid obesity using a modified pneumatic belt-bandage to adapt the cardiovascular and respiratory systems to intra-abdominal hypertension after hernioplasty; improved technical aspects of the reconstruction of the anterior abdominal wall in patients with morbid obesity; the surgical instrument "retractor" has been improved for technical optimization of the stage of suturing the anterior abdominal wall for fixing the prosthesis in patients with concomitant obesity and abdominal ptosis; clarified clinical and instrumental criteria for the specific unification of the scale for assessing the quality of life of patients after hernioplasty and abdominoplasty for ventral hernias and morbid obesity with differentiation of the value of physical, mental and social daily activity. The practical results of the study are as follows: According to the results of a scientific study to improve the diagnosis and surgical treatment of patients with ventral hernias and morbid obesity: improved "retractor". The use of the proposed tool made it possible to level the technical difficulties in fixing the prosthesis against the background of severe overweight with a reduction in the operation time; developed guidelines "Technical aspects of hernioplasty for ventral hernias in patients with morbid obesity" (certificate of the Ministry of Health 8n-r / 905 dated October 12, 2021), "Criteria for the choice of surgical treatment of patients with ventral hernias and obesity" (certificate of the Ministry of Health 8n-r /906 dated October 12, 2021). The proposed recommendations made it possible to optimize the choice of tactics for surgical treatment of patients with ventral hernias and morbid obesity; the obtained scientific results on improving the quality of diagnosis and surgical treatment of patients with ventral hernias and morbid obesity have been introduced into the practice of health care, in particular, in the departments of surgery of the 1st clinic of the Samarkand State Medical Institute, the Jizzakh Regional Multidisciplinary Medical Center and the Sh. Rashidov District Medical Association of the Jizzakh region (certificate of the Ministry of Health 8n-z / 368 dated October 22, 2021). The implementation of research results by improving the tactical and technical aspects of the surgical treatment of patients with ventral hernias and morbid obesity made it possible to reduce the overall incidence of postoperative complications from 14.8% to 8.9%, including wound complications from 11.1% to 4.5% and extra-abdominal from 7.4% to 4.5%, as well as significantly reduce the duration of surgical treatment and rehabilitation periods after various types of hernioplasty and abdominoplasty. The structure and scope of the dissertation. The dissertation consists of an introduction, five chapters, a conclusion, conclusions, practical recommendations and a list of cited literature. The volume of the text material is 107 pages.
Диабетический кетоцидоз – это опасное для жизни осложнение СД, требующее неотложной помощи, мониторинга состояния. Характеризуется острой декомпенсацией СД с гипергликемией, ацетонурией, метаболическим ацидозом, различной степенью нарушения сознания, вплоть до комы.
Диабетический кетоацидоз – это одно из тяжелых осложнений сахарного диабета (СД), которое, как правило, развивается достаточно быстро (в течение нескольких дней, а иногда даже часов), и при отсутствии лечения может привести к кетоацидотической коме и гибели больного.
The relevance of this topic is due to the high prevalence of atopic dermatitis (Hell of children), including severe course. The influence of psycho-emotional status on the course of the disease is widely discussed.
The purpose of the study was to determine and evaluate the features of morphological changes in the liver parenchyma of 5-month-old white outbred rats under the influence of anti inflammatory drugs under conditions of polypharmacy.
The object of study for experimental studies was taken 250 white male rats weighing 200-250 g.
The scientific novelty of the research is as follows: polypharmacy of anti-inflammatory drugs negatively affects all parameters of liver structures. Under the influence of polypharmacy, there is a decrease in the absolute mass of the liver, volume and morphological parameters of the liver parenchyma. The decrease in morphometric parameters depends on the number of drugs in polypharmacy; under conditions of polypharmacy, the state of the hepatic capillaries and internal bile ducts, as well as biological membranes, was studied, as a result of which the structural structure of the liver, the development of destruction of the hepatic tissue were studied, and the morphofunctional foundations of this condition were shown.
Implementation of the research results. Based on the obtained scientific results, the morphofunctional characteristics of the liver of rats in the norm and under the influence of polypharmacy were determined:
Approved methodological recommendations: "Methodology for determining the morphometric parameters of the liver during polypharmacy of anti-inflammatory drugs" (Conclusion No. 8n-r / 265 dated 14.03.2022 of the Ministry of Health of the Republic of Uzbekistan) and "Methodology for determining the morphometric parameters of the liver during polypharmacy of anti-inflammatory drugs" (Uzbekistan, Conclusion of the Ministry of Health of the Republic of Uzbekistan No. 8 n-z 180 of 2022), electronic program No. DGU 1038 "Program for studying the comparative characteristics of morphological changes caused by polypharmacy in the liver."
The scientific results obtained in the study of morphological and functional properties and morphometric changes in the structure of the liver under the influence of polypharmacy have been introduced into the practice of the Samarkand branch of the Republican Specialized Oncological and Radiological Scientific and Practical Medical Center of the Samarkand City Medical Association (Order of the Ministry of Health of the Republic of Uzbekistan dated March 14, 2022, 8n-r / 265-No. and conclusion No. 8 n-z 180 of 2022). The implementation of the obtained research data allows developing methods for early diagnosis, treatment and prediction of organopathology by morphological parameters, improving the quality of life and reducing the number of complications.
The structure and scope of the dissertation. The structure of the dissertation consists of an introduction, three chapters, a conclusion and a list of references. The volume of the dissertation was 103 pages.
В детском возрасте ведущей причиной ТМА является гемолитико-уремический синдром (ГУС), ассоциированный со шига токсином (типичный ГУС), атипичный ГУС, обусловленный дисрегуляцией системы комплемента (АГУС), тромботическая тромбоцитопеническая пурпура (ТТП), связанная с дефицитом ADAMTS-13. У ребенка грудного возраста можно встретиться с редкими генетическими причинами ТМА, такими как метилмалоновая ацидемия (ММА) с гипергомоцистеинемией, диацил- глицерол киназа эпсилон (DGK) – ассоциированная нефропатия. Диагностика причины ТМА чрезвычайно важна, т.к. своевременный старт комплемент-блокирующей терапии при АГУС, плазмотерапии при ТТП, метаболической терапии при ММА может спасти жизнь ребенка. Диагноз АГУС является клиническим и может быть установлен при исключении других причин ТМА.
Тромботическая микроангиопатия (ТМА) – жизнеугрожающее состояние, требующее неотложной терапии. Клинико лабораторный симптомокомплекс ТМА включает неиммунную микроангиопатическую гемолитическую анемию (МАГА: снижение гемоглобина, повышение ЛДГ, снижение гаптоглобина, шизоцитоз, ретикулоцитоз, проба Кумбса отрицательная), тромбоцитопению (потребление тромбоцитов в тромбах микроциркуляторного русла) и ишемическое повреждение органов- мишеней (почки, ЦНС, ЖКТ и др.). В раннем детском возрасте ведущей причиной ТМА является гемолитико-уремический синдром (ГУС), ассоциированный со шига-токсином (типичный ГУС), значительно реже –атипичный ГУС, обусловленный дисрегуляцией системы комплемента и др.(ГУС, ассоциированный с пневмококковой инфекцией, тромботическая тромбоцитопеническая пурпура (ТТП), ТМА, ассоциированная с метилмалоновой ацидемией и гипергомоцистеинемией (нарушение внутриклеточного метаболизма кобаламина). Дефицит витамина В12 (кобаламина) также способен приводить к развитию ТМА-подобной клинической картины.
Нынешняя пандемия коронавируса (COVID-19) представляет собой особую и редкую ситуацию, аналогов которой не случалось в мире на протяжении последних 100 лет. Появление COVID-19 поставило перед специалистами здравоохранения задачи, связанные с быстрой диагностикой и оказанием медицинской помощи больным. Первые сообщения о случаях заболевания новой коронавирусной инфекцией появились в городе Ухани провинции Хубэй (Китайская Народная Республика) в конце декабря 2019 г. Инфекция стремительно распространилась по всей территории Китая, и уже через месяц Всемирная организация здравоохранения (ВОЗ; World Health Organisation, WHO) признала вспышку инфекции, а 11 марта 2020 г. была объявлена пандемия.С начала января эпидемическая ситуация по COVID-19 меняется ежедневно, и, по данным ВОЗ, к концу апреля 2020 г. коронавирусная инфекция была зарегистрирована более чем в 212 странах мира, число инфицированных вирусом насчитывало около 3 272 202 человек, а смертельных исходов – 230104. Всемирная организация здравоохранения (ВОЗ) 11 февраля 2020 г. присвоила официальное название инфекции, вызванной новым коронавирусом, – COVID-19 («Coronavirus disease2019»).
The aim of the research work is to improve the results of surgical treatment of chronic anterior-medial dislocations of the radial head in children based on the improvement of the method of surgical treatment.
The object of the study was 83 patients with chronic antero-medial dislocations of the head of the radius, treated in the department of the consequences of childhood injuries of the Samarkand branch of the RSSPMC of Traumatology and Orthopedics for the period 2017-2020. The scientific novelty of the research work is the following: it is proved by histological examination that, in case of injuries from up to 1 month ago, the anterior wall of the joint capsule is thin and elastic, which is easily stretched, and from 3 months ago, it thickens, scars and forms fibrous tissue; the possibility of using a fibrous-modified joint capsule for annular ligament plasty in the surgical treatment of chronic antero-medial dislocations of the radial head from 3 months ago was proved; the tactics of surgical treatment of chronic antero-medial dislocations of the head of the radius depending on the deformity of the bones of the forearm were determined; a direct relationship between the results of surgical treatment of chronic antero-medial dislocations of the head of the radius, depending on the duration of the injury, has been proven.
The introduction of research results. Based on the obtained scientific results on the optimization of surgical treatment of chronic antero-medial dislocations of the radial head in children:
based on the results of the development of a method for annular ligament plasty, a patent for an invention was obtained from the Intellectual Property Agency of the Russian Federation “A method for the surgical treatment of chronic anterior medial dislocation of the radial head in children by capsuloplasty according” (patent № 2749870 dated 06/17/2021). The results obtained made it possible to improve the results of surgical treatment, to reduce the period of penetration in the hospital and after the surgical rehabilitation period; based on the results of scientific research on the surgical treatment of chronic anterior medial dislocations of the radial head, the guidelines “Surgical treatment of chronic dislocations of the radial head in children” were approved (Conclusion of the Ministry of Health of the Republic of Uzbekistan 8 n-z / 81 dated February 21, 2022). The results obtained have improved the quality of early diagnosis and treatment of patients with chronic anterior medial dislocations of the radial head in children; based on the results of scientific research on the surgical treatment of chronic antero-medial dislocations of the head of the radius, the methodological recommendations “Conclusion of the Ministry of Health of the Republic of Uzbekistan 8 n-z / 289 of August 31, 2021” were approved. The results obtained have improved the quality of early diagnosis and treatment of patients with chronic anterior medial dislocations of the radial head in children;
Scientific results have been introduced into the practice of healthcare (Conclusion of the Ministry of Health 08-32955 of October 24, 2022), in particular, the Samarkand branch of the Republican Specialized Scientific and Practical Medical Center for Traumatology and Orthopedics, the Bukhara branch of the Republican Scientific Center for Emergency Medical Care, and the Samarkand Regional Children's Multidisciplinary Medical Center. The proposed method for the treatment of chronic anterior-medial dislocations of the radial head in children allowed to reduce the frequency of relapses, increase excellent and good results from 75.6% to 92.9%.
The structure and scope of the dissertation. The dissertation consists of an introduction, 5 chapters, conclusion, conclusions, practical recommendations, a list of references and applications. The volume of the dissertation is 109 pages.