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Biomedical subjects

H Akbaş

Publications and source records attributed to H Akbaş.

11 recordsLinked to original sources
PubMed1999

Effect of parenteral pentoxifylline and topical nitroglycerin on skin flap survival.

Flap necrosis is still a significant complication in all types of flap surgery. The effect of parenteral pentoxifylline and nitroglycerin in improving survival of ischemic skin flaps was tested in Wistar rats. In the control group (n = 15) the mean viable length of the flaps was calculated to be 6.160 +/- 0.936, and nonnecrotic flap area was found to be 1859.1 +/- 269.3. In the group treated with pentoxifylline and nitroglycerin (n = 15), the mean viable length of the flap was calculated to be 6.907 +/- 0.617, and the mean nonnecrotic flap area was found to be 2078.5 +/- 172.7. In this study results showed that the use of parenteral pentoxifylline and topical nitroglycerin is effective on skin flap survival.

Administration, Topical↗
PubMed1998

Effects of sulfur dioxide inhalation on antioxidant enzyme activities in rat erythrocytes.

Swiss-Albino male rats were exposed to sulfur dioxide (SO2) (10 ppm) one hour daily for 60 days and the effect on the erythrocyte antioxidant enzyme activities was studied. Erythrocyte glucose-6-phosphate dehydrogenase (G-6-PD), superoxide dismutase (Cu,Zn-SOD), glutathione peroxidase (GSH-Px), catalase (CAT), glutathione-S-transferase (GST) activities and thiobarbituric acid reactive substances (TBARS) of 30 rats (14 controls and 16 sulfur dioxide groups) were measured. There were no significant differences in the catalase and G-6-PD activities of SO2 group as compared with controls. GSH-Px and GST activities in SO2 group were significantly higher than those in the control group. But, there was a significant decrease in the SOD activity. The rate of TBARS formation was enhanced significantly in erythrocytes of the SO2 group relative to the control group. These results reveal that SO2 inhalation enhanced lipid peroxidation in the erythrocyte and influence the antioxidant enzymes of erythrocyte.

Analysis of Variance↗
PubMed1997

Complete myocardial revascularization with left heart bypass without oxygenator on the beating heart.

BACKGROUND: Whereas the complete myocardial revascularization is necessary in high risk group patients, the CABG procedure on the beating heart on circumflex artery still presents a dilemma. METHODS: Between January 1994 and September 1996, we performed complete myocardial revascularization with left heart bypass in 62 patients (54 male, 8 female, mean age: 57) who had absolute or relative contraindications for CPB. RESULTS: The hospital mortality was 3.2%, late mortality was 1.6%. Peroperative MI was seen in 2 patients (3.2%). The mean number of distal anastomosis was 3.6 (ranged 2-6). CONCLUSION: Complete myocardial revascularization on the beating heart can be performed by using left heart bypass (LHBP) without using an oxygenerator safely in high risk patients.

Adult↗
PubMed1997

Surgical treatment of left-atrial myxoma in Carney's complex.

Although rare, cardiac myxomas are the most frequently encountered primary neoplasms of the heart. Cardiac myxomas are typically sporadic, benign, non-recurrent tumors, and they are usually seen in the left atrium. Patients who have myxoma-associated spotty pigmented skin lesions, endocrine neoplasms with overactivity, and noncardiac myxomatous tumors are said to have Carney's complex. This report presents a 21-year-old woman with Carney's complex. She was operated for tetralogy of Fallot and total correction was performed at another center when she was three years old. Two years ago, she was operated on for a primary pigmented nodular adrenocortical tumor and bilateral adrenalectomy was performed. Her present admission to our clinic was for left-atrial myxoma with associated symptoms. Patients with Carney's complex have distinctive clinical features which separate them from the larger group of patients with the more common sporadic myxoma. The most important distinction is that the myxoma syndrome appears to be a multisystem disease.

Adrenal Cortex Neoplasms↗