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Biomedical subjects

A A Mikheev

Publications and source records attributed to A A Mikheev.

At least 19 recordsLinked to original sources
PubMed2003

[Surgical treatment of acquired defects and ruptures of interventricular septum].

Surgical repair of posttraumatic ventricular septal defects, aortic-right ventricular fistulas and postinfarction ruptures of interventricular septum was carried out in 15 patients aged 18-75 years. Methods of radical correction included suturing, plastic repair with synthetic and autopericardial patches, and amputation of cardiac apex. Procedures were performed 14 days - 12 months after myocardial infarction and 1-12 months after penetrating knife wounds of the chest and the heart. Duration of follow-up was from 1 month to 9.5 years. There were no cases of defect recanalization and deaths.

Adolescent↗
PubMed2002

[Postinfarction angina in elderly patients: results of surgical and drug treatment].

Clinical and angiographical characteristics and results of surgical treatment and drug therapy were assessed in 49 men with postinfarction angina (mean age 64.1-/+3.5 years) and 112 patients with progressing and stable angina (mean age 63.8-/+3.0 years). Of 49 patients with postinfarction angina 30 were subjected to coronary artery bypass grafting (CABG) while 19 were treated with drugs only. Remote results were known in 17 and 19 patients of surgical and conservative groups, respectively. Average duration of follow-up was 66-/+20 months. Compared with patients with progressing and stable angina those with postinfarction angina had similar amplitude of ST-segment deviation during stress tests, ejection fraction, average number of involved coronary vessels, and profile of concomitant diseases, but higher prevalence of left main stenoses (23.6 and 40.8%, respectively, p=0.05). Among patients with postinfarction angina available for follow-up long-term survival of those treated with CABG was higher compared with patients treated conservatively (p=0.02). Nonfatal myocardial infarction developed in 17.7 and 31.6%, symptomatic improvement was registered in 76.5 and 5.3% of patients in surgical and conservative groups, respectively. In patients with postinfarction angina aged >or=60 years CABG surgery compared with drug therapy was associated with better survival and improved symptomatic status.

Aged↗
PubMed2001

[Prospects for prognosis in cardiac surgery: experience from using discriminant linear analysis].

The authors evaluate the possibility of using the discriminant linear analysis in predicting the unfavourable outcomes at aortocoronary bypass. There were investigated 98 patients (the mean age 64.4 +/- 3.0 years) who underwent the surgical revascularization of myocardium in 1992-1997. 56 signs characterizing the demographic, clinical-and-instrumental and operational indices were analyzed. The obtained discriminant equation of operation outcome prediction included 15 signs. The operation for unstable angina, the cholesterol level and the patient's age were the most informative parameters. The total per cent of correct classification was 87.8%. According to the authors' experience the discriminant linear analysis is the informative method of multi-dimensional statistical analysis permitting to reveal the most significant signs that influence on the prognosis of surgical intervention.

Aged↗
PubMed1998

[The surgical results in postinfarct aneurysms of the left ventricule and in coronary artery lesions].

In 1992-1997 66 patients with ischemic heart disease and postmyocardial infarction aneurysms in the left ventricle in association with 1 to 6 coronary arteries' lesion underwent surgical intervention when aneurysm elimination operations were accompanied by shunting of 1 to 6 arteries, which resulted in a better contractile ability of the ventricle and load tolerance. As compared with the reference literature data the lethality rate reduced by 2.4 times.

Adult↗
PubMed1994

[Cardiac surgery and the outlook for its development at the N. N. Burdenko Main Military Clinical Hospital].

The article deals with the actual questions of modern cardiosurgery, questions of its formation and further development in the Burdenko Main Military Clinical Hospital. There are results of cardiosurgical operations and treatment of cardiosurgical patients. The article also briefly describes the question of artificial blood circulation and myocardium protection.

Cardiac Surgical Procedures↗
PubMed1994

[Direct reconstructive operations on the coronary arteries in ischemic heart disease].

Direct reconstructive operations were performed on affected coronary arteries of six patients with IHD in order to revascularize myocardium:surgical prosthesis of left coronary artery, resection of arteries of interventricular interseptum and right coronary artery. The zones of lesions were resected with further restoration of its anatomic integrity. Angiography and bicycle ergometry [correction of veloergometry] conducted in different periods after operations have shown a good conductivity of arteries at the zones of reconstruction, as will as a considerable increase was achieved in patients' tolerance to loading tests. The observation period was from 1 month to 3.5 years. There were no lethal cases.

Adult↗
PubMed1994

[Surgical treatment of unstable and early post-infarction angina].

Out of 146 patients with unstable and early postinfarction angina pectoris, 120 underwent surgery at various intervals since the condition onset. The patients were followed up from 1 month to 6 years. Surgical management of the above forms of coronary heart disease confirmed its efficacy in prevention of acute, recurrent and repeated myocardial infarctions.

Adult↗
PubMed1993

[Reconstructive operations on the coronary arteries in ischemic heart disease].

Direct reparative operations on coronary arteries were carried out in 18 patients with ischemic heart disease in order to revascularize the myocardium: auto-pericardium plastics of right coronary artery; autogenous vein plastics of the opening and the trunk of left coronary artery; instrumental delactation of opening and the trunk of the left coronary artery; right coronary artery prosthesis and shunt-plastics of the front interventricular branch of the left and right coronary artery. The observation period was from 1 month to 5 years. The article shows the efficiency of direct reparative operations for prophylaxis of myocardial infarctions or sudden deaths. The operated patients also got rid of stenocardia and have acquired a more high tolerance for physical loads.

Adult↗
PubMed1992

[Aorto-coronary and mammary-coronary bypass of the working heart without extracorporeal circulation in patients with ischemic heart disease and a history of two or more myocardial infarctions].

The paper shows how successfully surgical myocardial revascularization can be performed on the working heart without applying extracorporeal circulation in 17 patients with a history of two or more myocardial infarctions. Deaths were not observed among the patients operated on. The follow-ups of the patients were 1-2 months.

Adult↗
PubMed1991

[Operations on the coronary arteries of the working heart without using an apparatus for extracorporeal circulation].

Operations for aorto-coronary shunting and mammary-coronary shunting on a working heart were carried out without the use of a heart-lung machine in 19 patients with various forms of unstable angina pectoris in early periods (7 to 30 days) after the onset of the disease and in high left-ventricular end-diastolic pressure. There were no fatal outcomes. The post-operative follow-up periods ranged from 4 weeks to 2.5 years.

Adult↗