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Biomedical subjects

Iu V Panichkin

Publications and source records attributed to Iu V Panichkin.

At least 19 recordsLinked to original sources

[Transcutaneous balloon aortic valvuloplasty as the 1st stage of surgical treatment of aortic valve stenosis].

The results of conduction of transcutaneous balloon aortic valvuloplasty in 99 patients were analysed. After the operation conduction was noted the systolic pressure gradient lowering on aortal valve by 67.8% from the initial one. In 28.3% of patients in such conditions the retrograde blood flow to aorta occurs or enhances, but in 7% of patients only the substantial aortic regurgitation increase by 2 points occurs. The occurrence or enhancement of retrograde blood flow in the aorta is more probable if there is a two cuspid valve and while the two balloon method application. Hospital mortality in the intervention performance had constituted 4%.

Adolescent↗

[Intravenous catheter embolism].

Ethiology, diagnosis, prognosis and the way of the intravenous catheter embolism (ICE) elimination are depicted. The results of endovascular removal of foreign bodies from the cardiac chambers and main vessels are presented. Recommendations concerning the patients with ICE conducting are given.

Catheterization↗

[The prognostic assessment of the reversibility of myocardial dysfunction in patients with ischemic heart disease after aortocoronary bypass].

Forty-six patients with ischemic heart disease with considerable dysfunction of the myocardium were subjected before operation of aortocoronary shunting to veloergometry with calculation of indices of the central hemodynamics by the method of tetrapolar rheoplethysmography, echocardioscopy before and after taking nitroglycerin. Close interrelation was noted between the increase of the stroke volume during veloergometry, increased fraction of output after taking nitroglycerin and improved contractile capacity of the myocardium after aortocoronary shunting.

Coronary Artery Bypass↗

[Complications of catheter-balloon valvuloplasty (analysis of their causes and the methods of prevention and treatment].

The authors analyse the results of 1,404 operations of catheter-balloon valvuloplasty in stenoses of the pulmonary, aortic, and mitral valves. The experience was accumulated by the leading heart surgeons of the country from 1984 to 1990. The total number of complications was 77 (5.4%), 23 (1.6%) of them were fetal. The least number of complications (1.88%) occurred in catheter-balloon valvuloplasty in pulmonary stenosis, 1% were fetal. Complications in aortic stenosis were encountered in 11.3% of cases, 4.8% were fatal. The greatest number of complications (44) were recorded in mitral stenosis with a relatively low mortality (2.7%). The authors distinguish unspecific complications connected with the use of standard diagnostic catheters and instruments, and specific complications linked with the use of balloon catheters or caused by the course of the disease, and the character of the valve affection. As the result of analysis of the causes of complications, the authors suggest a system for preparation of patients for operation and the principles of its safe accomplishment and describe the order of the acts undertaken by the surgeon for the management of complications. Analysis of complications of catheter-balloon valvuloplasty demonstrates the efficacy and mild injurious character of this method, which makes it possible to rank it among the generally accepted cardiosurgical methods for the correction of heart valvular stenoses.

Aortic Valve Stenosis↗

[Paravalvular insufficiency following heart valve prosthesis].

The features of the morphology of paravalvular insufficiency (PVI) were studied on the basis of analysis of 5,113 prosthetic replacements of the heart valves. From the clinical results and noninvasive and invasive data the authors revealed the peculiarities of the disorders of hemodynamics and functional condition of patients with PVI. Information on the specific features and the results of 35 repeated operations in PVI are discussed. Analysis showed 26.4% survival among patients 5 years after surgery. Bearing in mind the severity of the complication the authors emphasize the importance of its prevention.

Aortic Valve Insufficiency↗

[Left ventricular diastolic function of patients with dilated cardiomyopathy].

A study of 79 patients with dilatation cardiomyopathy (DCMP), making use of echo- and angiocardiography and catheterization of various heart compartments, has demonstrated considerable changes in left ventricular diastolic properties, common to this condition: reduced pliancy of heart chamber, increased myocardial rigidity and impaired myocardial relaxation. Reduced left ventricular diastolic pliancy is associated with myocardial hypertrophy and impaired relaxation.

Adult↗