Omer Gunal
Marmara University, Medical Faculty, Faculty Member
- Humanitarian, scientific, receptive, affirmative, constitutive, activist.edit
Access to the posterior inguinal wall is a fundamental part of inguinal hernia repair. The approach to the inguinal canal may affect the course and outcome of the operation. The aim of this study is to compare posterior approach (PA)... more
Access to the posterior inguinal wall is a fundamental part of inguinal hernia repair. The approach to the inguinal canal may affect the course and outcome of the operation. The aim of this study is to compare posterior approach (PA) repair with the standard anterior approach (AA). The study included 91 low-risk unilateral primary inguinal hernia patients who randomly received AA repair or PA repair. Various outcome measures in both groups were compared, and the mean operating time was longer for the AA repair group. Intra-operative complications were the same in both groups. Postoperative complications were more frequent in the AA repair group. The at-rest mean visual analog score (VAS), 24 hours postoperatively, seemed to be higher in the AA repair group. AA patients were able to postoperatively walk sooner than PA patients. Inguinal hernia repair through a PA seems to be less painful, less debilitating, and more easily applicable than the AA. Such advantages may be the reasons to...
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Today's surgeon faces multiple decisions for each patient who presents with an inguinal hernia. The natural history of an untreated inguinal hernia is still unclear for a particular individual. Given the low risk of emergency and... more
Today's surgeon faces multiple decisions for each patient who presents with an inguinal hernia. The natural history of an untreated inguinal hernia is still unclear for a particular individual. Given the low risk of emergency and death from an inguinal hernia, observation alone is now becoming an acceptable approach for many. For those that desire or require repair, the age of the patient and their comorbidities will influence the choices of anesthetic and surgical technique. Despite our rapid advances in surgical technology, a consensus can not be reached locally or globally on one solution for inguinal hernia repair. Currently, more than six uniquely different surgical techniques are used for the repair of an inguinal hernia. Through the 1980s, the endpoint focused on by hernia surgeons was the incidence of recurrence. Though many experienced operators proved to have near-flawless results with a given technique, it has been difficult to duplicate these results by all surgeons....
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Ischemia reperfusion (I/R) injury is one of the leading cause of the transplanted organ loss. In this experimental study, we investigated the effect of captopril on endothelin and eicosanoid release in I/R injury of the kidney. Rats were... more
Ischemia reperfusion (I/R) injury is one of the leading cause of the transplanted organ loss. In this experimental study, we investigated the effect of captopril on endothelin and eicosanoid release in I/R injury of the kidney. Rats were subjected to 60 min ischemia and 60 min of reperfusion of the left kidney in control and captopril groups. Tissue protein oxidation products, PGE2 and LTB4 levels and plasma endothelin-1 (ET-1) like activity were determined in sham operated, control and captopril groups. There were no differences in the LTB4 levels among the groups. ET-1 and PGE2 levels and protein oxidation products increased in the control group when compared with the sham. Captopril further increased both PGE2 and ET-1 concentrations and prevented protein oxidation. The increased ET-1 concentrations in the captopril treated group may imply the protective role of endothelin as the significant increase in protein oxidation products was reversed by captopril infusion. This has led u...
Research Interests: Surgery, Treatment, Oxidative Stress, Ischemia Reperfusion Injury, Kidney, and 18 moreReactive Oxygen Species, Ischemia, Animals, Male, Vascular endothelium, Proteins, Experimental Study, Clinical Sciences, Rats, Rat, Oxidative Damage, Endothelin-1, Reperfusion injury, Ischemia–reperfusion, Control Group, Biochemistry and cell biology, Captopril, and Protein Oxidation
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ABSTRACT The effects of the increased intraabdominal pressure that occurs during laparoscopic cholecystectomy and the effects of the reverse Trendelenburg position adopted for the procedure on deep venous thrombosis (DVT) were... more
ABSTRACT The effects of the increased intraabdominal pressure that occurs during laparoscopic cholecystectomy and the effects of the reverse Trendelenburg position adopted for the procedure on deep venous thrombosis (DVT) were investigated prospectively. Thirty patients who underwent laparoscopic and 13 who underwent open cholecystectomy for symptomatic cholelithiasis were investigated for postoperative DVT. Lower extremity venous blood flow was examined by color Doppler ultrasonography before and after operations. Thrombus formation was not found in the femoral, popliteal, or iliac veins of any of the patients who underwent either open or laparoscopic cholecystectomy. None of the patients in either group displayed signs of DVT or pulmonary embolus. We concluded that the incidence of DVT does not increase with laparoscopic cholecystectomy.
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Page 1. Digestive l)iseases attd Sciences. Vol. 41, No. 3 (March I996), pp. 585-590 Gastric Functions in Portal Hypertension Role of Endothelin (3MER GONAL, MD, CUMHUR YEGEN, MD, A. OZDEMIR AKTAN, MD, RIFAT YALIN, MD, and BERRAK (~.... more
Page 1. Digestive l)iseases attd Sciences. Vol. 41, No. 3 (March I996), pp. 585-590 Gastric Functions in Portal Hypertension Role of Endothelin (3MER GONAL, MD, CUMHUR YEGEN, MD, A. OZDEMIR AKTAN, MD, RIFAT YALIN, MD, and BERRAK (~. YEGEN, MD ...