Opportunity of operative traumatism decrease in patients with complicated tricuspid valve defect

This study examined the results of surgical trivalve of 44 patients with trivalve heart defect. In all the patients the heart defect was combined with two and more complicating factors: advanced III-degree calcinosis of the valves, cardiomegaly, cardiac fibrillation, left atrium thrombosis, high pulmonary hypertension. In 20 patients the operative intervention on the heart was repeated. The analysis of the results allowed to recommend some surgical techniques which allowed to decrease surgical traumatism in patients with complicated trivalve heart defect. Low traumatism was possible because of incomplete removal of the calcium masses extending on the fibrotic ring and outside, use of two-row counter U-suture on linings for the prosthesis fixing, transdoubleatrial approach without isolation of the heart from the adhesions in dense pericardial obliteration, correction even insignificant trivalve heart defect or relative valve incompetence.     

Analysis of mental functions in patients after coronary bypass surgery

The neuropsychological examination was carried out in 18 men (study group), mean age 59.7 +/- 6.6 years, before and after aorto-coronary bypass. The neuropsychological tests were carried out 2-3 days before operation and 14-16 days after it. 12 non-operated men with coronary artery disease, mean age 60.0 +/- 6.7 years, were studied as a control group. In control group the neuropsychological tests were conducted with a 16-19 day interval. The tests examined short-term verbal and visual memory, semantic memory. At statistical analysis of the results the mean values and confidential intervals were calculated allowing for Student's coefficient. In control group at consecutive tests the negative dynamics of the results was not revealed. The comparison of the tests results in the study group patients before and after operation revealed the a decrease of neuropsychological parameters by 20-40% on the average irrespective of material modality. Features of cognitive changes revealed in early postoperative period, testifies to diencephalic type of the disorders.     

Substitution of an extensive defect of tissues after resection of the sternum in tumors

An original method of substitution of great defect of the soft tissues and osteochondral part of the chest wall after resection of the sternum for a malignant tumor is described. Operations were made on 4 patients. Favorable results were noted in all the patients. The terms of follow-up were from 6 to 25 months.     

The treatment in ulcerative hemorrhages in patients with liver cirrhosis and portal hypertension

Treatment of 34 patients with bleedings from chronic gastroduodenal ulcers associated with cirrhosis of the liver and portal hypertension was analysed. Overall lethality was 41.2%, postoperative lethality was 41.7%. Temporary hemostasis due to a solution of Caprofen used during fibrogastroduodenoscopy allows the operation to be delayed and complex intensive therapy can be performed in patients with hepatic insufficiency. Control medical endoscopic investigations should be performed 4 and 12 hours after admission to the hospital of patients with sub- and decompensated cirrhosis of the liver with portal hypertension and symptoms of unstable hemostasis. The emergency and delayed operative treatment of patients with subcompensated hepatic insufficiency should include organ-saving operations such as vagotomy with pyloroplasty and/or dissection of the ulcer. Operation is indicated to patients with cirrhosis of the liver at the stage of decompensation but if they have evident reappearance of bleeding and in minimal volume. The attainment of final endoscopic hemostasis will allow to avoid surgical interventions intolerable for this category of patients.     

The use of adaptive-repositioning apparatus for the closing of granulating soft-tissue wounds

The authors propose a new method of closing granulating wounds by attaching its edges with the help of an adaptation-reposition apparatus. This method was used in treatment of 53 patients with granulating wounds of different localization. Good results were noted in 88.7% and satisfactory ones in 11.3%. The method was shown to be highly efficient as compared with the control group.     

A "neuromyo-test-response 01" device for neuromuscular function control during anesthesia

The paper outlines the technical data and procedure of using a new "neuromyotest-response-01" device designed by the Novye Pribory (New Devices) Medical Engineering Center (Samara) for estimation of the level of neuromuscular block.     

The measurement of the dynamic range of digital systems for visualizing x-ray images

The paper presents a procedure to measure the dynamic range of digital X-ray image visualization systems, which is used for acceptance and certification tests of this class of equipment. The procedure is based on the use of experimental dependences of transmission of a narrow X-ray beam on the thickness of an aluminium or copper absorber (filter).