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Biomedical subjects

V Vukobratov

Publications and source records attributed to V Vukobratov.

10 recordsLinked to original sources
PubMed1994

[Surgical aspects of liver resection based on 5 years' data].

From 1988 to 1993 thirty liver resections were performed in thirty patients. Eight were operated for suffering from hepatocellular carcinoma, four from metastasis of colon's adenocarcinoma, five for great hemangiomas and the rest for focal liver changes. Right lobectomy was performed in six cases, as well as two trisegmentectomies and two left lobectomies while segmentectomies in the rest. Periopretive mortality occurred in two cases as two patients died because of postoperative thrombosis of vena portae and massive gastrointestinal bleeding. Recidive of malignant tumors was established in five patients after year and in other five till the second year. Benign tumors are without recidives. Later resection is a safe procedure with a considerable selection of patients, with use of latest technical conveniences, application of grafts on branches of vena portae and with routine application of intraoperative ultrasonography. The paper contains diagnostical postulates, surgical techniques and anatomic and morphologic types of resection.

Female↗
PubMed1991

Surgical management of extracranial carotid artery aneurysms.

Between 1982 and 1991 we performed eight operations on seven patients with carotid artery aneurysms. Their mean age was 52.8 years (range: 20-67 years). Five aneurysms were atherosclerotic, one was associated with Marfan's syndrome, and two were pseudoaneurysms, one occurring after Dacron patch angioplasty and the other due to tuberculosis. Seven aneurysms were treated electively; one patient underwent an emergency surgical procedure. In one case, the internal carotid artery was ligated. Seven operations were reconstructive. No intraluminal shunt was used. No perioperative deaths occurred. Regressive hemiparesis and ipsilateral Horner's syndrome developed in one patient. The follow-up period ranged from six months to nine and a half years. One patient died of myocardial infarction three months after surgery.

Adult↗
PubMed1990

[Specifics in the reconstruction of individual elements in replantation of the forelimb in dogs].

The experiment was carried out on the four extremities of six, sexually mature dogs of a different race. Gradual reconstruction of the anatomic structures was performed as a single act after the section of the elements. To reach stability of the forearm we employed different osteosynthetic techniques and succeeded to reconstruct blood vessels, nerves, ligaments and the skin, afterwards. Numerous techniques of suturing material were used. The animals were sacrificed six months after being operated and were exposed to microscopic observation and histological analysis. The results obtained suggested the necessity of a firm osteosynthesis of the forearm bones, use of less traumatic suturing material for suturing both blood vessels and fasciculi when preparating nerves.

Animals↗
PubMed1990

[Revascularization of the forelimb in dogs].

Revascularization of the forearm was performed on six mature dogs of a different race. Arteria mediana was cut 2 cm above the fork of the arteria radialis and later sutured with a nonresorptive monofilament thread/Ethilonr/7-0 and 8-0 in diameter. The same process was repeated on the cefalica vein. Arteriographies were performed on the operated extremities, pre-operatively, immediately after operation and while an animal being sacrificed. The subjects were sacrificed six months after the operation. Then microscopic and histological analyses were carried out to assess the quality of the blood vessels at the suturing place. At the place of the blood vessels reconstruction, lumen did not get narrower which indicated that all the vessels were in a perfect functional condition. In a number of dogs a higher collagenic proliferation was noticed, in the vicinity of the blood vessels sutured. In the regenerative process of the arterial wall tunica mediana almost took a predominant position, like in the intact arteria. All the three strata were present with no relevant deviations in structure. In the cefalica vein the regeneration of the connective tissue support of the smooth muscles cells was insufficient. Based on the analysis of the results obtained it might be concluded that after revascularization of the forearm of the dog the regeneration of the blood vessels made the segment functionally capable with the structure not different from the normal one which existed in the blood vessels of the same part of the body.

Angiography↗
PubMed1990

[Partial heterotopic and total orthotopic transplantation of the liver in dogs].

From 1983 to 1988 on the Department for Experimental Surgery 20 preservations of the liver has been done, with ice cold Euro- Collins and Ringer solutions, either with in situ or with on banch technique after fast expantation. On five dogs standard 55% left hepatectomy has been done and the right side preserved in situ. Partial heterotopic liver transplantation to the right iliac fossa was performed on five dogs. Total vascular exclusion of the liver and extracorporal inierior vena cava and jugular vein by pass with assisted circulation was performed on one dog, without assistance on four dogs. Total orthotopic liver transplantation was performed on two dogs. The surgical team practiced the technique of liver transplantation in experiment and liver resection with in situ technique and on banch technique.

Animals↗
PubMedDate not supplied

[Results of surgical treatment of ruptured abdominal aortic aneurysms].

This paper analyzes results of 5-year surgical treatment of patients with ruptured abdominal aorta aneurysms (1991.-1995.) at the Clinic for Vascular and Transplantation Surgery of the Institute of Surgery in Novi Sad. 105 patients with abdominal aorta aneurysm underwent surgery, whereas in 31 patients there was a suspicion of rupture and it was confirmed by US and CT examination. One of basic factors to decrease mortality in these patients is early diagnosis and surgery before hemorrhagic shock occurs. Results in hemodynamic stabile patients with blood pressure over 100 mmHg and regular diuresis are much better with mortality of 20%. In order to estimate the correlation of hemodynamic state and outcome of the operation, patients were divided into three groups--hemodynamic stable with blood pressure over 100 mmHg and regular diuresis at admission: hemodynamic unstable patients with signs of mild or moderate shock and blood pressure under 100 mmHg and without initial diuresis which was regulated at the beginning of therapy and hemodynamic unstable patients in severe shock and unmeasurable blood pressure. The highest survival rate (10% mortality) and the least complications occurred in the first group of patients. The total mortality of patients after surgery was 48.48%. Timely diagnosis, suspicion of rupture and adequate first and with urgent transfer to a competent surgical institution are key factors in treatment of this disease and its outcome.

Aged↗
PubMedDate not supplied

[Aorto-enteric fistula as a rare manifestation of rupture of an abdominal aortic aneurysm--case report].

Aortoenteric fistula represents a communication between aortic and duodenal lumen. It is a very rare complication of aortic aneurysmal disease as well as aortic prosthetic surgery. There are only few surgeons who have seen more than one case of aortoenteric fistula. At the Institute of Surgery one case of aortoenteric fistula was treated. It was well diagnosed at the Institute for Internal Medicine, and then presented to the vascular surgeon who operated immediately. The whole diagnostic and therapeutic procedure was well done, but stenosing carcinoma of ascendent colon was found during the operation. Resection were done leading to the dehiscence of bowel anastomosis and fatal outcome for the patient. This case is instructive in a diagnostic and surgical manner.

Aortic Aneurysm, Abdominal↗