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For severe heart failure, the only treatment is heart transplantation. However, this operation is performed extremely rarely due to the high cost and complexity. Prevention of the development of atrial dilatation consists in measures aimed at preventing the development of diseases of the cardiovascular and respiratory systems. If it is possible to eliminate the cause of atrial dilatation, then their volume may gradually decrease and return to normal values. In all other cases, the chambers of the heart gradually increase in volume, which leads to increasing heart failure.
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- The information is generalized and is provided for informational purposes only. Seek medical attention at the first sign of illness. Self-medication is dangerous to health!
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- Dilatation of the left atrium. The most common cause of left atrial dilatation is systolic dysfunction.
- This process is expressed in a decrease in the ability of the left ventricle to throw blood from its cavity into the aorta. As a result, dilatation of the left atrium causes an increase in the end-systolic volume of the left ventricle. When this compensatory response fails, secondary pulmonary venous hypertension may occur.
Atrial dilatation in combination with pulmonary arterial hypertension increases the load on the right ventricle, the stroke volume of which falls. An increase in right atrial and ventricular diastolic pressure causes venous congestion. Dilatation of the heart is an increase in the entire volume of the body. The stretched myocardium becomes thinner, but if hypertrophy occurs, then these two processes compensate each other. The papillary muscles of the cavity are also stretched, the trabecular muscles are significantly flattened. Dilatation of the left atrium causes expansion of the atrioventricular orifice, which in some casesteas leads to functional insufficiency. The left ventricle, due to stretching, begins to bulge into the cavity of the right ventricle, as a result of which its volume decreases.
Dilatation of the left atrium during compensatory processes plays the same role as adaptations in a healthy heart. If the diseased heart does not have sufficient strength to overtake the required amount of blood, then by increasing the length of the fibers, it becomes able to do this work. However, this reduces the reserve force of the myocardium due to an increase in the volume of work and a large demand for oxygen. Persons with dilatation should observe a sparing regimen, since any even the most insignificant work is performed due to the spare forces of the heart. Dilatation is a fairly common syndrome and cause of heart failure. The disease can be infectious and toxic in nature. The most common cause of dilatation is alcoholic heart disease. The cause is also autoimmune and neuromuscular diseases, as well as mitochondrial, endocrine and metabolic disorders in the patient's body.
As a rule, dilatation develops at a young age, more often in men. Clinical manifestations are expressed in the form of total heart failure, cardialgia, cardiac arrhythmias, angina pectoris, thromboembolism. The clinic of the disease is not specific. The patient may die suddenly due to progression of heart failure or due to rhythm disturbances. When the disease is often detected systolic murmur in relation to tricuspid and mitral insufficiency. There is also edematous syndrome and swelling of the cervical veins.
In the treatment of dilatation, exactly the same therapy is used as in heart failure, since etiotropic therapy is possible only with a known etiology. Recommend restriction of fluid intake, adequate physical activity, diuresis control. It is strictly forbidden to take even small doses of alcohol. With the development of cardiac cachexia, nutritional, that is, nutritional support, is of great importance. For drug treatment, beta-blockers are mainly used. The use of thiazide and loop diuretics is shown, while control of diuresis is mandatory. Aldosterone antagonists are used in combination with diuretics.
The main diagnostic method is echocardiography and scintigraphy. You can also get useful information using stress tests and differential diagnostics. Dilatation of the left atrium. causes and degrees, symptoms and treatment. Dilatation of the left atrium is a special case of cardiomyopathy, it is an abnormal expansion of the organ chamber of the same name with complete or predominant absence of changes in the muscle layer. More often it has an acquired character, it is caused by certain conditions of the cardiac, less often endocrine, neurogenic kind.
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Total recovery is not possible. Treatment aims to prevent progression, stabilize the general condition and prolong life. Dilatation of the LA is not an independent process. Nosological unit is not considered. How is such a state formed?
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