Yavuz Yilmaz

Effects of different pulmonary surfactants in the prevention of postoperative intraabdominal adhesion formation

BACKGROUND After abdominal surgery, the formation of postoperative adhesion is a serious problem. The aim of the study is to evaluate the efficacy of 2 different pulmonary surfactants, poractant and beractant, on adhesion prevention in an experimental model. MATERIALS AND METHODS An experimental intraabdominal adhesion model was created in 18 adult female rats by cecal abrasion. The rats were randomly assigned to 3 groups. Group I received no further treatment, whereas groups II and III received intraperitoneal poractant and beractant, respectively, before closing the incision. On the 15th postoperative day, all rats underwent relaparotomy, intraabdominal adhesions were scored macroscopically according to Canbaz scoring system, and the cecum in each animal was evaluated microscopically. RESULTS The median adhesion scores of group II and III rats were significantly lower when compared with group I (P = .02). Group III had a lower median adhesion score than did group II, but this did not reach significance (P > .05). CONCLUSION These observations suggest that intraperitoneal instillation of both pulmonary surfactants is associated with lower adhesion scores, higher adhesion-free cases, and improved histologic findings.

Paraurethral cyst in two female newborns: Which therapy option?

Abstract Paraurethral cysts are rare in females, especially in the neonatal period. The aetiology of congenital paraurethral cysts is obstruction of Skenes ducts from para/periurethral glands. Paraurethral cysts may be totally asymptomatic, non-tender, soft, cystic, ovoid masses about 6–10 mm in size and yellowish in colour. These lesions may be discovered on either side of the urethral meatus during routine examination and most of these resolve spontaneously. This study reports two female newborns with paraurethral cysts treated with needle aspiration because of difficulty in excretion of urine on the first day of life. The second case needed another course of needle aspiration 1 month later. There is no consensus on the treatment because of the benign nature of the paraurethral cysts and the probability of spontaneous regression. Surgical alternatives include excision, marsupialization and needle aspiration. If a surgical approach is needed, e.g. because of difficulty in urination, needle aspiration should be used as the initial surgical intervention.

Effects of lactulose and lactitol on coliform bacteria and bacterial translocation in the caecum during 72-h starvation in rats

Lactulose and lactitol, non-absorbable disaccharides, prevent bacterial translocation (BT) arising from the gut. In contrast, lack of food into the gut leads to coliform bacterial overgrowth and even if it does not cause BT, can induce the risk from other stimuli for BT. In this study, we tested whether lactulose and lactitol affected populations of coliform bacteria in the caecum during starvation in Sprague-Dawley rats. Three groups of rats were starved for 72 h and given oral 2 ml undiluted lactulose (670 mg/ml), 2 ml undiluted lactitol (666 mg/ml) or 2 ml physiological saline, respectively, once a day. The caecum and mesenteric lymph nodes (MLNs) were removed for microbiological and histopathological analyses. The highest degree of coliform bacterial overgrowth, BT to MLNs and histopathological damage were observed in lactulose-treated rats, followed by the group treated with lactitol. As a result of this study, both drugs, especially lactulose augmented the proliferation and translocation tendency of coliform bacteria in the caecum during 72-h starvation in rats.

Povidone-iodine for persistent air leak in an extremely low birth weight infant

Chemical pleurodesis with povidone-iodine has been used to treat congenital idiopathic chylothorax in neonates. We report successful use of povidone-iodine in an extremely premature infant to treat a pneumothorax that had persisted for more than one week despite high-frequency ventilation.

Four neonates with giant ovarian cysts: difficulties in diagnosis and decision making process

Objective: Ovarian cysts compose most of the intraabdominal cysts in fetal period. Most of them regress spontaneously at intrauterine or postnatal period. The cysts that are complicated and do not regress are excised generally. Methods: Here we report a case series that consists of four newborns having giant (≥10 cm) ovarian cysts. All of the patients were term infants and followed for ovarian cysts in intrauterine period. Results: Patients were operated on 5, 11, 28, 47th days, respectively. Three patients had unilateral cysts (two right, one left) and one had bilateral cysts. One of the four patients had bilateral ovarian cysts, 100 × 95 mm in diameter on the left and 50 × 55 mm on the right, which was torsioned. Conclusion: The risk of complications is higher in bilateral cysts even they are smaller, and early surgical intervention should be done to these patients. During the operation of one of the patients, we detected the cyst at the opposite side that was shown by ultrasonography. Since the size of the mass is large, detecting the correct origin of the cyst is important for the selection of appropriate surgical approach.

Paraovarian cyst torsion in children: Report of two cases

Paraovarian cysts are assumed to be rare in childhood. This assumption is due to the fact that most patients with paraovarian cyst are asymptomatic unless complicated. Owing to the wide range of pathologies in differential diagnosis, preoperative diagnosis of paraovarian cyst presents a challenge. Herein is reported two cases of complicated paraovarian cyst in children.

Massive ovarian oedema in adolescents.

Abstract Massive ovarian oedema is an unusual clinical entity occurring in teenage girls. It is a rare tumour-like condition of the ovary characterized by marked enlargement of one or both ovaries due to marked accumulation of oedema fluid in the ovarian stroma. Massive ovarian oedema may result from partial or intermittent torsion of the mesovary, interfering with venous and lymphatic drainage, but not with arterial blood flow. The patients most commonly present with lower abdominal pain and enlargement. This entity can clinically mimic a neoplasia. We report three cases with massive ovarian oedema.

Increase in pro-apoptotic Bax expression and decrease in anti-apoptotic Bcl-2 expression in newborns with necrotizing enterocolitis

BACKGROUND/AIM The aim of the present study was to find out if there is an increase in the expression of pro-apoptotic Bax and reduction in expression of anti-apoptotic Blc-2A1 in newborn intestines with necrotizing enterocolitis (NEC). MATERIALS AND METHODS We compared 8 consecutive newborn patients undergoing bowel resection for NEC with 8 neonates undergoing intestinal resection for ileal atresia. Histopathological evaluation of tissue injury and apoptosis was performed by using light microscopic examination and TUNEL method. The mRNA level of apoptotic (CASP3, CASP6, CASP7, Bax, BIRC2) and anti-apoptotic genes were evaluated by PCR array method. Protein expression was assessed by immunohistochemistry. RESULTS We compared 8 consecutive newborn patients undergoing bowel resection for NEC with 8 neonates undergoing intestinal resection for ileal atresia. Histopathological evaluation of tissue injury and apoptosis was performed by using light microscopic examination and TUNEL method. The mRNA level of apoptotic (CASP3, CASP6, CASP7, Bax, BIRC2) and anti-apoptotic genes were evaluated by PCR array method. Protein expression was assessed by immunohistochemistry. CONCLUSIONS Our data in humannewborns suggest that alteration of the balance between pro-apoptotic Bax expression and anti-apoptotic Bcl-2A1 expression in the site of injury is a possible mechanism in the pathogenesis of NEC.

Preeclampsia is an independent risk factor for spontaneous intestinal perforation in very preterm infants.

Abstract Background: Spontaneous intestinal perforation (SIP) is an important surgical emergency in preterm infants. Aims: To evaluate the effect of maternal preeclampsia on development of SIP in premature infants. Study design: Retrospective observational study in a large tertiary neonatal intensive care unit. Subjects: The preterm infants of ≤32 weeks of gestational age and birthweight ≤1500 g who were hospitalized were enrolled. Outcome measures: The primary outcome was to determine the association between preeclampsia and SIP. Results: A total of 22 infants had SIP diagnosis. The incidence of SIP in infants born to preeclamptic mothers (6.2%) was significantly higher compared with those born to normotensive mothers (0.2%). In multinominal logistic regression model, preeclampsia was found to be an independent risk factor of SIP with an odds ratio of 13.5 (95% confidence interval 2.82–65.1). Conclusions: Maternal preeclampsia seemed to be an independent risk factor for development of SIP in premature infants.

Intrapleural streptokinase for the treatment of complicated parapneumonic effusion and empyema in 2 newborns

The management of complicated parapneumonic effusions by conventional first-line treatment with closed intercostal tube drainage and antibiotic therapy may fail because of thick viscous fluid and multiple pleural space loculations. Intrapleural fibrinolytic treatment is a non-invasive therapeutic option. In this report, we present successful use of intrapleural streptokinase for complicated parapneumonic effusion and empyema in 2 newborns. Intrapleural fibrinolytic therapy with streptokinase appears to be a safe and effective adjunctive therapy of choice and may have significant benefit even in newborns with complicated parapneumonic effusion and empyema, and thus, it can obviate surgical intervention.