PubMed Health⌕ Search

Biomedical subjects

A B Sazonov

Publications and source records attributed to A B Sazonov.

13 recordsLinked to original sources

[Surgical treatment of aneurysms of the abdominal aorta in patients with generalized atherosclerosis].

The authors made operations on 131 patients with aneurysms of the abdominal aorta (AAA). Most severe patients were operated on using a modified resection or "exclusion" of the AAA and aorto-iliac bifurcation prosthesis with reverse formation of anastomoses. It was found that the proposed method increases safety of the operative treatment of AAA and is preferable for patients with a severe coexisting pathology.

Aged↗

[Continuous inhalation administration of surfactant-BL for control of adult respiratory distress syndrome after reconstruction of the abdominal aorta].

A 62-year-old patient with Leriche's syndrome and critical ischemia of the low extremities has undergone the surgery of aortofemoral grafting. A patient has developed the severe ARDS on the second day of reperfusion (bilateral diffuse infiltrates, PO2/FiO2 < 100, lung injury score was 3). Different ways of administration of bovine surfactant (SURFACTANT BL, Russia) were used during the treatment. Total application time was 84 hours, total dose was 4000 mg (50 mg/kg). Considerable improvement of lung function occurred after start of the continuous inhalation of surfactant with a constant rate of 63 mg/h. Two hours after this step PO2/FiO2 reached 400 mm Hg and remained stable 12 hours more, up to the end of surfactant administration. The patient was soon successfully extubated and discharged on the 25th day after surgery. It is supposed that in spite of a small total dose of bovine surfactant the success was achieved due to an early start of the surfactant replacement, continuous inhalation and its definite rate.

Administration, Inhalation↗

[The physiological aspects of the efficacy of reconstructive operations in arteriosclerosis obliterans of the lower extremities].

Reconstructive operations in the aorto-iliac and femoro-popliteal segments were performed on 281 patients with obliterating atherosclerosis. An attentive examination of the patients in the nearest postoperative period and within the first 5 years has shown different efficiency of the operation in different patients. Favorable changes took place in regional hemodynamics, while disturbances retained in microcirculation and function of the extremity. Another cause of insufficient efficiency of the interventions was an initial stable suppression of tissue respiration and oxygen utilization in the extremity tissues. The dynamics was positive during a year followed after that by new symptoms of progressing disease.

Adult↗

[Intraoperative changes in the peripheral circulation with different methods for reconstructing the arteries of the extremities].

An examination of 192 patients with obliterating atherosclerosis of lower extremities was made who had different reconstructive operation. Intraoperative measurements of oxygen strain in the foot skin and rheography of the shin have shown that temporary compression of large arteries when making vascular anastomoses cause ischemia of extremities, whose degree and duration is dependent on the technique of the technique of the intervention. Advantages of the method of transprosthetic aortotomy such as less duration and lower degree of ischemia were shown. The possibility was revealed to prognose nearest results of treatment for changing regional hemodynamics and oxygenation of tissues at the moment of termination of the operation.

Adult↗

[Clinical substantiation of the new type of mechanical suture in prosthesis of the aortofemoral segment].

An original apparatus and a new kind of mechanical suture were used in experiment and in clinic for the formation of telescopic anastomosis. The anastomosis has an ideal round form, it is hermetic, the line of anastomosis is overlapped by a newly formed neointima for a distance of 1 cm. The anastomosis is put during several minutes. This operation does not require special training of the surgeon.

Aorta, Abdominal↗

[Hemodynamic changes in patients with arteriosclerosis obliterans of the lower extremities after restoration of the circulation].

It was established that reconstructive operations allow to adequately reestablish regional hemodynamics, the linear and capacitance velocity of the blood flow along the explant in the group of prosthesis being close to the values of patients in the group of shunting. The data obtained allow to make a conclusion on high efficiency of shunting by the method of transprosthesis aortotomy in patients with obliterating arteriosclerosis of lower extremities.

Adult↗

[A shunting method in the aortoiliac segment].

Results of various kinds of reconstructive interventions in 237 patients with atherosclerotic occlusions of the abdominal aorta and iliac arteries are described. Shunting operations and prostheses in the aortoiliac segment in 76% of the patients give prolonged and considerable improvement of blood circulation in lower extremities. The most favorable results were obtained in patients who had been subjected to reconstructive operations on the aortoiliac segment with transprosthesis aortotomy not requiring an exclusion of the aorta and iliac arteries from blood circulation. There were no severe complications and lethal outcomes in this group of patients. The amount of thromboses decreased markedly, intestinal pareses were less frequent, the volume of blood transfusions became less and operations shorter.

Anastomosis, Surgical↗

[Postoperative treatment of abdominal injury victims].

Among other procedures of a complex intense therapy applied upon 265 abdominal trauma cases the authors have included an early peritoneal perfusion and longlasting peridural blockade. The results evidence a high prophylactic and therapeutic effectiveness of the suggested methods

Abdominal Injuries↗