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ANEURYSM DISEASE, ITS CAUSES AND TREATMENT METHODS.
Satibaldiyeva Zebo Shuxratullayevna
Teacher, Kokand State Medical University Branch of Andijan
Mehmonov Murodillo
Student, Kokand State Medical University Branch of Andijan
https://doi.org/10.5281/zenodo.15369057
Аннотация:
Аневризма представляет собой локальное расширение
сосуда с постепенным истончением его стенки. Процесс является
необратимым, со временем под воздействием давления кровотока
выпячивание только увеличивается и, однажды, может разорваться. Это
приводит к внутреннему артериальному кровотечению.
Ключевые слова:
Заболеваниие, артерии вены, генетических
синдромов, стенки сердца, атеросклероз.
Abstract:
An aneurysm is a local expansion of a vessel with gradual
thinning of its wall. The process is irreversible, over time, under the influence of
blood flow pressure, the protrusion only increases and, one day, can rupture.
This leads to internal arterial bleeding.
Keywords:
Disease, arteries, veins, genetic syndromes, heart walls,
atherosclerosis.
Introduction:
An aneurysm is an abnormal bulge in the wall of a blood
vessel or This bulge occurs due to a weakness in the wall of the vessel or heart,
which can be caused by a variety of factors, including birth defects,
atherosclerosis, injury, infection, and inflammation.
The wall of the vessel or heart becomes thinner and less elastic in a certain
area. Under the pressure of the blood, this weak spot begins to bulge, forming a
sac-like or spindle-shaped dilation. Over time, an aneurysm can increase in size.
An aneurysm can occur in any blood vessel in the div, but is most Aorta: The
largest blood vessel that leaves the heart. An aortic aneurysm can be abdominal
(in the abdomen) or thoracic (in the chest).
Cerebral arteries: An aneurysm in the brain can cause a stroke if it ruptures.
Peripheral arteries: In the legs, groin, or neck. Heart: A cardiac aneurysm is
usually.
Main part:
Atherosclerosis: This is the most common cause of aneurysms,
especially aortic and peripheral artery aneurysms. The deposition of cholesterol,
fats, and other substances on the walls of arteries leads to the formation of
atherosclerotic plaques. These plaques make the vessel walls stiff, less elastic,
and more vulnerable to damage and bulging under the pressure of blood.
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Age-related changes: As we age, the walls of our blood vessels naturally lose
their elasticity and strength, which can contribute to the development of
aneurysms. Degeneration of elastic fibers and collagen in the vessel wall occurs.
Genetic and congenital factors, Hereditary connective tissue disorders:
Some genetic disorders, such as Marfin syndrome, Ehlers-Danlos syndrome, and
neurofibromatosis type 1, are characterized by defects in the structure of
collagen and elastin, the main components of the connective tissue that make up
the walls of blood vessels. This makes them weaker and more susceptible to
aneurysms.
Congenital defects of the vessel wall: In rare cases, people can be born with
areas of weakened vessel walls, predisposing them to the development of
aneurysms.
Family history: Having close relatives with aneurysms can increase the risk
of developing the condition, even in the absence of known genetic syndromes.
External influences and acquired conditions.
Hypertension (high blood pressure): Constantly increased pressure on the
vessel walls can weaken them over time and contribute to the formation of
aneurysms.
Blunt or penetrating trauma to blood vessels can damage the vessel wall
and lead to the development of traumatic aneurysms, sometimes long after the
injury.
Rare bacterial or fungal infections can affect the walls of arteries (mitotic
aneurysms), causing them to weaken and bulge.
Inflammatory vascular diseases (vasculitides): Some autoimmune or
inflammatory diseases, such as polyarthritis nodosa or polyarthritis nodosa, can
cause inflammation of the vessel walls, causing damage and aneurysms.
Smoking damages the vessel walls, contributing to the development of
atherosclerosis and increasing the risk of aneurysms. Specific causes of cardiac
aneurysms. Coronary artery disease (CAD) and myocardial infarction: A left
ventricular aneurysm is often a complication of a large myocardial infarction.
The damaged heart muscle becomes thinner and bulges under the pressure of
blood.
Chronic heart failure: Long-term stress on the heart can lead to structural
changes, including the formation of aneurysms.
Infective endocarditis: An infection of the inner lining of the heart can
damage and weaken the wall of the ventricle, causing an aneurysm.
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Analysis and results:
Angiography (arteriography): This is an invasive
procedure in which a catheter is inserted into a blood vessel and a contrast
agent is injected through it. The X-ray images produced during this procedure
clearly show the vessels and identify aneurysms. Although it is the "gold
standard" for diagnosing vascular disease, it is used less frequently due to its
invasiveness and risk of complications, usually when planning treatment.
Clinical examination and history. A physician may suspect an aneurysm
based on the patient's symptoms (e.g., abdominal or back pain with an
abdominal aortic aneurysm, headache with a cerebral aneurysm) and the
physical examination. Family history is also important, as some aneurysms may
be linked to a genetic predisposition. Transesophageal echocardiography (TEE):
A specialized ultrasound that inserts a transducer into the esophagus, allowing
for a clearer picture of the aorta, especially the thoracic region.
Lumbar puncture: May be performed if a subarachnoid hemorrhage
(ruptured brain aneurysm) is suspected, to look for blood in the cerebrospinal
fluid.
Treatment
: Complete treatment of a cerebral aneurysm is a complex and
multifaceted process that depends on many factors, including: 1. The size, shape,
and location of the aneurysm. 2. The presence or absence of symptoms. 3. The
patient's health status. 4. The risk of aneurysm rupture. 5. The patient's age.
There is no one-size-fits-all approach to treatment, and the decision is made
individually by a neurosurgeon or team of specialists after careful evaluation of
all factors. The main goals of treatment are to prevent aneurysm rupture and
subsequent bleeding into the brain (subarachnoid hemorrhage), which can lead
to severe neurological consequences and even death.
In some cases, especially for small, asymptomatic aneurysms with a low
risk of rupture, observation may be the preferred approach. This includes:
Regular screening: Periodic neuroimaging studies (MRI or CT angiography)
to monitor the size and condition of the aneurysm. The frequency of screening is
determined by the physician.
Risk factor management: Managing factors that may increase the risk of
rupture, such as high blood pressure, smoking, and alcohol abuse.
Medication: Prescribing medications to control blood pressure, cholesterol,
and other underlying medical conditions.
Lifestyle modification: Encouraging healthy eating, regular physical activity,
and avoiding stress.
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Watching may be the preferred option for older patients with multiple
underlying medical conditions or for very small aneurysms where the risk of
intervention may outweigh the risk of rupture.
Surgical treatment (open surgery - clipping) Clipping an aneurysm is a
traditional surgical procedure that involves the following: Access to the
aneurysm: The neurosurgeon performs a craniotomy (opening the skull bone) to
gain access to the brain vessels and the aneurysm.
Isolation of the aneurysm: Under a microscope, the surgeon carefully
isolates the neck of the aneurysm (the place where the bulge connects to the
main artery).
Clipping: A special titanium clip (clamp) is placed on the neck of the
aneurysm, which blocks the blood flow to the aneurysm, isolating it from the
rest of the vascular bed. This prevents it from rupturing.
Closing the wound: After checking the reliability of the clipping and the
absence of bleeding, the skull bone is returned to its place and the wound is
sutured.
Postoperative period and rehabilitation. After any type of aneurysm
treatment, the patient requires observation and rehabilitation. This may include:
Stay in the intensive care unit: In the first days after surgery for careful
monitoring of the patient's condition. Pain relief: To relieve postoperative pain.
Prevention of complications: Measures to prevent infections, thrombosis and
other complications.
Neurological monitoring: Regular assessment of neurological status.
Rehabilitation: Depending on the presence of neurological deficit, physical
therapy, occupational therapy, speech therapy and neuropsychological
rehabilitation may be required.
Follow-up examinations: Regular MRI or CT angiography to assess the
effectiveness of treatment and identify possible relapses.
In case of aneurysm rupture. Treatment of a ruptured aneurysm is urgent
and aimed at stabilizing the patient's condition: Maintaining vital functions.
Prevention of rebleeding. Using surgical clipping or endovascular
embolization. Elimination of the consequences of hemorrhage: Treatment of
vasospasm (narrowing of blood vessels), hydrocephalus and other
complications. Intensive rehabilitation: To restore lost functions. The prognosis
after an aneurysm rupture is serious, and the outcome largely depends on the
severity of the hemorrhage, the patient's age, and the presence of concomitant
diseases.
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Conclusion
An aneurysm is a potentially life-threatening condition that can accompany
a person for many years. Therefore, understanding and avoiding risk factors is
an important task for maintaining health.
Except for emergency cases, in which open surgery is performed,
treatment of aneurysms depends on their size, location, and the risk factors to
which the patient is exposed. Small aneurysms that do not cause symptoms and
are unlikely to rupture require only periodic monitoring and blood pressure
control.
Eat a healthy diet. Avoid high-calorie fatty and salty foods, try to eat more
fruits and vegetables, poultry, fish, and nuts.
Monitor blood pressure and engage in regular moderate physical activity.
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