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    A comprehensive analysis of 51 neonates with congenital intestinal atresia
    (Saudi Med J, 2007) Ozturk, Hayrettin; Ozturk, Hulya; Gedik, Senol; Duran, Hatun; Onen, Abdurrahman
    Objective: To determine contemporary patterns of presentation and trends in the management and outcome of 51 newborn infants with intestinal atresia. Methods: We retrospectively reviewed 51 cases of intestinal atresia between January 1983 and February 2003. Clinical data included antenatal history, age, gender, weight, presenting symptoms and signs, diagnostic procedures, location and type of atresia, associated abnormalities, surgical treatment, associated problems, morbidity, mortality and plans of treatment. Results: Twenty children had duodenal obstruction, 24 had jejunoileal atresia, and 7 had colonic atresia. Approximately one-fourth of patients associated with duodenal atresia. had preterm delivery and all patients with jejunoileal and colonic atresia were full term. Clinical features such as vomiting, abdominal distention, delayed meconium passage and jaundice were more frequent in jejunoileal atresia patients. Other associated organ anomalies particularly Down's syndrome were more frequent in duodenal atresia patients. A duodeno-duodenostomy was preferred in most of the patients with duodenal atresia and annular pancreas; duodenotomy and web excision for those with duodenal webs; and resection with end-to-end anastomosis for those with jejunoileal atresia. In all patients with colonic atresia, colostomy procedure was performed as the first step of surgery. Conclusion: Experienced neonatal care and prompt total parenteral. nutrition by placing central line during surgery may improve the outcome of such patients.
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    Effects of specific inhibition of cyclooxygenease-2 on kidney in bilateral adrenalectomized rats
    (Springer, 2007) Ozturk, Hulya; Ozturk, Hayrettin; Gedik, Senol; Uzunlar, Ali Kemal; Ketani, Aydin
    In the kidney, prostaglandins represent important physiological modulators of renal hemodynamics and salt and water homeostasis. In this experimental study of bilaterally adrenalectomized (ADX) rats, we aimed to investigate whether the administration of selective (celecoxib) inhibitor of COX-2 would alter the morphological and functional changes in rat kidney tissue. Twenty-one male Sprague-Dawley rats weighing 225-250 g were used. The animals were divided into three groups. Group 1 rats (Sham-control, n = 7) did not receive any treatment. In group 2 rats (ADX/Untreated, n = 7), bilateral ADX was performed via a single dorsal incision. In group 3 (ADX/COX-2) rats, the same operation was performed as described for group 2 and then the COX-2 inhibitor celecoxib was administered by gavage for a period of 7 days. On the 7th day of the study, renal function was assessed by measurements of blood urea nitrogen (BUN) and serum creatinine levels. Biopsies were obtained from the remaining left kidneys before killing the rats. There was no significant difference in the BUN and creatinine values between the groups. In ADX/Untreated group, capillary congestion in glomerule, inflammation, hemorrhage and congestion in intertubular area, and cytoplasmic vacuolation in renal tubules was observed. Mild damage was observed in the ADX/COX-2 group. The number of macrophages was significantly decreased in ADX/COX-2 group when compared to ADX/Untreated group (P < 0.0001). Our study indicates that celecoxib may be an important factor affecting renal morphological changes after the bilaterally ADX.