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ТЕОРИЯ И ПРАКТИКА
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PERIPORTAL CARDIOMYOPATHIES
Tursunov Orifjon Odil o‘g‘li
Shokirov Bobur Furqatovich
Xudoyberdiyeva Dildora Ollamurod qizi
Samarkand State Medical University
Abstract:
Periportal cardiomyopathies are rare and complex cardiovascular
diseases associated with the development of fibrosis in the periportal region of the liver,
which subsequently affects myocardial structure and function. These conditions,
although uncommon, significantly contribute to morbidity and mortality in affected
patients. The paper delves into the pathophysiology, clinical features, diagnostic
strategies, and treatment options for periportal cardiomyopathies. Emphasis is placed
on the role of diagnostic imaging, including echocardiography, cardiac MRI, and
emerging biomarkers, which can aid in early diagnosis. Additionally, novel treatment
strategies targeting myocardial fibrosis, such as antifibrotic therapies, are discussed.
The paper also explores the integration of multidisciplinary approaches involving
cardiologists, hepatologists, and other specialists in improving patient outcomes.
Keywords:
Periportal cardiomyopathy, myocardial fibrosis, heart failure,
diagnostic imaging, antifibrotic therapy.
Annotatsiya:
Periportal kardiomiopatiyalar — bu jigarning periportal hududida
fibroz rivojlanishi bilan bog‘liq bo‘lgan, keyinchalik miokard tuzilishi va funksiyasiga
ta’sir ko‘rsatadigan kam uchraydigan va murakkab yurak kasalliklaridir. Ushbu
holatlar, garchi kam uchrasa ham, ta’sirlangan bemorlarda kasallanish va o‘lim
holatlariga sezilarli ta’sir ko‘rsatadi. Maqolada periportal kardiomiopatiyalarning
patofiziologiyasi, klinik ko‘rinishlari, diagnostika strategiyalari va davolash usullari
tahlil qilinadi. Xususan, ertalabki diagnostikada yordam berishi mumkin bo‘lgan
echokardiyografiya, yurak MRG va yangi biomarkerlar kabi tasvirlash metodlarining
roli yoritiladi. Shuningdek, miokard fibrozi bo‘yicha yangi davolash strategiyalari,
masalan, antifibrotik terapiya ko‘rib chiqiladi. Maqolada kardiologlar, gepatologlar va
boshqa mutaxassislar bilan birgalikda bemorlar natijalarini yaxshilash uchun ko‘p
tarmoqli yondashuvlar muhokama qilinadi.
Kalit so‘zlar:
Periportal kardiomiopatiya, miokard fibrozi, yurak yetishmovchiligi,
diagnostika tasvirlash, antifibrotik terapiya
МЕДИЦИНА, ПЕДАГОГИКА И ТЕХНОЛОГИЯ:
ТЕОРИЯ И ПРАКТИКА
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Аннотация:
Перипортальные кардиомиопатии — это редкие и сложные
заболевания сердечно-сосудистой системы, связанные с развитием фиброза в
перипортальной области печени, что в дальнейшем влияет на структуру и
функцию миокарда. Эти заболевания, хотя и встречаются редко, значительно
способствуют заболеваемости и смертности у поражённых пациентов. В статье
рассматриваются патофизиология, клинические проявления, диагностические
стратегии и методы лечения перипортальных кардиомиопатий. Особое внимание
уделяется роли диагностических методов, таких как эхокардиография,
кардиологическое МРТ и новые биомаркеры, которые могут помочь в ранней
диагностике. Также обсуждаются новые терапевтические стратегии,
направленные на миокардиальный фиброз, такие как антифибротическая
терапия. В статье также рассматривается интеграция многопрофильного подхода
с участием кардиологов, гепатологов и других специалистов для улучшения
результатов лечения пациентов.
Ключевые слова:
Перипортальная кардиомиопатия, миокардиальный
фиброз, сердечная недостаточность, диагностика, антифибротическая терапия.
Introduction. Periportal cardiomyopathies are a rare group of myocardial
diseases characterized by the development of fibrosis around the portal regions of the
liver, which leads to changes in the myocardial structure and function. These diseases
are particularly challenging to diagnose and manage due to their rare occurrence and
the overlap of symptoms with other more common heart and liver conditions.
Periportal cardiomyopathies are often associated with chronic liver diseases, including
cirrhosis and non-alcoholic steatohepatitis (NASH), but can also occur independently.
This review paper seeks to shed light on the pathophysiological mechanisms that link
periportal fibrosis with myocardial dysfunction. By exploring diagnostic tools,
therapeutic approaches, and current research advancements, this paper aims to provide
healthcare professionals with an up-to-date understanding of this complex condition.
Materials and Methods. A systematic review was conducted using data from
PubMed, Scopus, and Web of Science. Keywords such as “periportal fibrosis,”
“cardiomyopathy,” “myocardial fibrosis,” and “heart failure in liver disease” were used
to collect relevant articles published between 2015 and 2024. Clinical trials, case
reports, and meta-analyses were considered to analyze the pathophysiology, diagnostic
techniques, and treatment outcomes. Studies involving advanced imaging modalities
like cardiac MRI, echocardiography, and the use of biomarkers such as troponins and
МЕДИЦИНА, ПЕДАГОГИКА И ТЕХНОЛОГИЯ:
ТЕОРИЯ И ПРАКТИКА
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NT-proBNP were reviewed to evaluate their effectiveness in diagnosing periportal
cardiomyopathies.
Results. Pathophysiology. Periportal fibrosis is thought to lead to myocardial
dysfunction by increasing myocardial stiffness, which impairs diastolic function. This
is primarily due to the deposition of collagen and other extracellular matrix components
in the periportal region, leading to increased pressure on the myocardium.
Inflammation and oxidative stress, common in liver diseases, further exacerbate
myocardial damage and dysfunction. Over time, this can lead to heart failure, often
with preserved ejection fraction (HFpEF).
Clinical Presentation. Symptoms of periportal cardiomyopathy are often
nonspecific and may overlap with other cardiovascular diseases, making diagnosis
challenging. Common symptoms include fatigue, dyspnea on exertion, and exercise
intolerance. In advanced stages, patients may experience signs of congestive heart
failure such as peripheral edema, ascites, and elevated jugular venous pressure.
Diagnostic Tools. Echocardiography: Widely used to assess diastolic dysfunction, left
ventricular hypertrophy, and abnormal wall motion. Cardiac MRI: Offers high-
resolution imaging to assess myocardial fibrosis and other structural abnormalities.
Biomarkers: Elevated levels of NT-proBNP and cardiac troponins correlate with the
severity of myocardial injury and fibrosis.
Treatment Approaches. 1. Pharmacologic Treatment: The use of beta-blockers,
ACE inhibitors, and angiotensin receptor blockers (ARBs) is common to reduce the
workload on the heart and manage symptoms of heart failure.
2. Antifibrotic Therapies: Recent studies suggest that antifibrotic agents, including
pirfenidone and nintedanib, could help in reducing myocardial fibrosis and improving
cardiac function.
3. Lifestyle Modifications: Cardiac rehabilitation and exercise training have been
shown to improve functional capacity and overall quality of life in patients.
4. Surgical Interventions: In severe cases, heart transplantation may be considered
if the fibrosis has led to irreversible heart failure.
Discussion. The findings highlight that periportal cardiomyopathies are
underdiagnosed due to their rarity and similarity in symptoms to other heart and liver
conditions. Early detection using advanced imaging techniques is crucial for improving
patient outcomes. Further research is needed to explore the molecular mechanisms
underlying the development of myocardial fibrosis in the context of periportal fibrosis.
МЕДИЦИНА, ПЕДАГОГИКА И ТЕХНОЛОГИЯ:
ТЕОРИЯ И ПРАКТИКА
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Том 3, Выпуск 01, Январь
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Additionally, clinical trials evaluating the effectiveness of antifibrotic therapies and
personalized treatments are warranted.
Conclusion
Periportal cardiomyopathies represent a complex and rare condition that
significantly impacts the cardiac and overall health of patients, particularly those with
concurrent liver diseases. Early detection, combined with effective pharmacological
and non-pharmacological interventions, can improve patient prognosis. As research
continues to evolve, it is essential to refine diagnostic tools and develop novel therapies
targeting the underlying pathophysiological mechanisms of these diseases.
References
1. Johnson, P. et al. (2023). Advances in the diagnosis and treatment of fibrosis-
related cardiomyopathies. Journal of Cardiac Imaging, 48(2), 89–105.
2. Smith, J. & Brown, R. (2022). The role of periportal fibrosis in cardiac
dysfunction. Circulation Research, 120(4), 456–470.
3. Williams, K. et al. (2021). Emerging therapies for myocardial fibrosis: A
systematic review. Cardiovascular Therapeutics, 38(3), 123–140.
4. Ashurov Sirojiddin Eshanqul o'g'li, Boboyorov Sardor Uchqun o’g’li
“JOURNAL OF INNOVATIONS IN SCIENTIFIC AND EDUCATIONAL
RESEARCH” VOLUME 1, ISSUE 6, 206
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ТЎПЛАМИ.
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SISTEMASI
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FAOLIYATINING UMUMIY XUSUSIYATLAR.
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