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Biomedical subjects

M A Nechaenko

Publications and source records attributed to M A Nechaenko.

At least 19 recordsLinked to original sources
PubMed1994

[Myxoma syndrome].

The paper provides the follow-up findings of patients with cardiac myxomas according to the presence or absence of the myxomal syndrome. It is shown that it is a multiorgan abnormality wherein the cardiac myxomas that are prone to primarily multiple growth, extraseptal and/or multifocal fixation are associated with the changes in the hypothalamus-pituitary-adrenal and renin-angiotensin-aldosterone systems, skin spotty pigmentation, neoplasms in the viscera, skin, and fat. These specific features emphase the predictive value of the myxomal syndrome, which predetermines that its early diagnosis should be made in routine clinical practice.

11-Hydroxycorticosteroids↗
PubMed1994

[Primary heart neoplasms].

The work analyses the anatomomorphological characteristics of primary tumors of the heart in 106 patients; in 101 patients the tumor was benign (myxoma, neurinoma, rhabdomyoma) and in 5 malignant (angiosarcoma, liposarcoma). Surgical treatment was conducted in 99 patients; hospital lethality was 7.1%. Six patients who refused an operation died at other therapeutic institutions, one patient died on admission to the clinic from occlusion of the left atrioventricular orifice by the tumor. It is pointed out that the diversity and the various degree of the clinical manifestations of the disease are predetermined by the localization and morphological characteristics of the new growths, their size, and mobility. The authors emphasize that knowledge of the anatomomorphological features of primary tumors of the heart and their early diagnosis are conducive to a differential approach in each concrete situation and to the choice of the optimal volume of an urgent surgical intervention.

Adolescent↗
PubMed1993

[Cerebral complications in cardiac myxomas].

The authors analyze injuries to the central nervous system in patients with heart myxomas due to tumorous embolism of brain vessels with the development of acute or "delayed" cerebral symptomatology. Stress the difficulty of correct interpretation of acute disorders of cerebral circulation with no other signs of intracavitary heart neoplasm and the possibility of the asymptomatic form of cerebrovascular embolism or its consequences in association with a remarkable clinical picture of heart myxoma. Emphasis is laid on the necessity of carrying out all-round examination of the brain to reveal injuries that may occur under such conditions, to determine the prognosis and treatment policy in the given patients' group, especially in the long-term period after resection of intracavitary heart neoplasm.

Adolescent↗
PubMed1991

[Familial myxomas of the heart].

An analysis has been made of the clinical, diagnostic, surgical and morphological aspects of familial cardiac myxomas, potentialities of their intravital diagnosis and prevention. No morphological differences were established between familial and sporadic cases of cardiac myxoma.

Adolescent↗
PubMed1991

[Computerized tomography in the diagnosis of heart neoplasms].

Computed tomography (CT) was used to study 56 and 4 patients with primary and secondary cardiac blastomas, respectively. CT allows differentiation between a racemose and dense endocardial tumor, localization of myxoma pedicle, recording its prolapse into the adjacent chamber, identification of extra-, intracardiac and intramyocardial tumor growth as well as changes in adjacent vessels. CT image of cardiac myxoma is similar to a filling defect of diminished density, that of extra-endocardial tumors display polymorphism. Blastomatous invasion of the heart is characterized by blurring of cardiovascular elements boundaries, pericardial thickening and fluid accumulation. CT is advocated as a new, noninvasive and highly efficient diagnostic modality in cardiac tumors.

Adolescent↗
PubMed1990

[Atrioplasty in surgical correction of mitral valve defect complicated by left-sided atriomegaly].

Surgical treatment of 40 patients with mitral valvular diseases and left atriomegaly is analysed. The dimensions of the giant left atrium in this group of patients must be reduced because it causes compression of the posterobasal part of the left ventricle, constriction of the lumen of the left main bronchus or compression of the inferior and middle lobes of the right lung. Left atrioplasty has a favorable effect on the course of the immediate postoperative period and reduces significantly hospital mortality among this grave contingent of patients.

Adolescent↗
PubMed1983

[Intra-aortic balloon pumping in cardiac surgery].

The application of the intra-aortal counter-pulsation in the complex treatment of 37 patients was followed by stabilization of hemodynamics in 67,6% of cases, 37,8% of the patients survived. The intra-aortal counter-pulsation used in the preoperative period resulted in the survival of 50% of patients. The beginning of the procedure during the operation or in the postoperative period gave the survival of 40,9% and 22,2% of the patients correspondingly. Complications in the performing of the intra-aortal counter-pulsation were noted in 27% of cases.

Adult↗