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Dive into the research topics where Dilek Demirel is active.

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Featured researches published by Dilek Demirel.


Journal of Pediatric Surgery | 2016

Different techniques for biliary diversion in progressive familial intrahepatic cholestasis

Mithat Günaydin; Burak Tander; Dilek Demirel; Gönül Çaltepe; Ayhan Gazi Kalayci; Esra Eren; Unal Bicakci; Riza Rizalar; Ender Ariturk; Ferit Bernay

BACKGROUND Progressive familial intrahepatic cholestasis (PFIC) is a cholestatic liver disease of childhood. Pruritus resulting from increased bile salts in serum might not respond to medical treatment, and internal or external biliary drainage methods have been described. In this study, we aimed to evaluate different internal drainage techniques in patients with PFIC. PATIENTS AND METHODS Between 2009 and 2014, seven children (4 male, 3 female, 3months-5years old), (median 2years of age) with PFIC were evaluated. The patients were reviewed according to age, gender, complaints, surgical technique, laboratory findings and outcome. In each two patients, cholecystoileocolonic anastomosis, cholecystojejunocolonic anastomosis and cholecystocolostomy were performed. Cholecysto-appendico-colonic anastomosis was the technique used in one patient. RESULTS Jaundice and excessive pruritus were the main complaints. One of the patients with cholecystoileocolonic anastomosis died of comorbid pathologies (cirrhosis, adhesive obstruction and severe sepsis). Temporary rectal bleeding was observed in all the patients postoperatively. Regardless of the surgical technique, pruritus was dramatically decreased in all the patients in the postoperative period. CONCLUSION Regardless of the technique, internal biliary diversion methods are beneficial for the relief of pruritus in PFIC patients. Selection of the surgical method might vary depending on the surgeons preference and the surgical anatomy of the gastrointestinal system of the patient.


Journal of Minimal Access Surgery | 2016

Single port laparoscopic and open surgical accesses of chronic peritoneal dialysis in children: A single center experience over 12 years

Unal Bicakci; Gurkan Genc; Burak Tander; Mithat Günaydin; Dilek Demirel; Ozan Ozkaya; Riza Rizalar; Ender Ariturk; Ferit Bernay

Introduction: The aim of this study was to evaluate patients with end stage renal failure (ESRD) who underwent chronic peritoneal dialysis (CPD). The clinical outcomes of laparoscopic and open placements of catheters were compared. Materials and Methods: We reviewed 49 (18 male and 31 female) children with CPD according to age, sex, cause of ESRD, catheter insertion method, kt/V rate, complications, presence of peritonitis, catheter survival rate between January 2002 and February 2014. Results: Thirty-three patients were with open placement and 16 patients were with laparoscopic placement. The rate of the peritonitis is significantly less in patients with laparoscopic access than open access (n = 4 v sn = 25) (P<0.01). Patients with peritonitis were younger than those who had no attack of peritonitis (10.95 ± 0.8 years vs 13.4 ± 0.85 years). According to the development of complications, significant difference has not been found between the open (n = 9) and laparoscopic (n = 3) approaches except the peritonitis. Catheter survival rate for the first year was 95%, and for five years was 87.5%. There was no difference between open and laparoscopic group according to catheter survival rate. The mean kt/V which indicates the effectiveness of peritoneal dialysis was mean 2.26 ± 0.08. No difference was found between laparoscopic and open methods according to kt/V. Conclusion: Laparoscopic placement of CPD results in lower peritonitis rate. Catheter survival rate was excellent in both groups. Single port laparoscopic access for CPD catheter insertion is an effective and safe method.


Journal of Minimal Access Surgery | 2016

Laparoscopic repair in children with traumatic bladder perforation.

Cetin Ali Karadag; Burak Tander; Basak Erginel; Dilek Demirel; Unal Bicakci; Mithat Günaydin; Nihat Sever; Ferit Bernay; Ali Ihsan Dokucu

Here, we report two patients with a traumatic intraperitoneal bladder dome rupture repaired by laparoscopic intracorporeal sutures. The first patient was a 3-year old boy was admitted with a history of road accident. He had a traumatic lesion on his lower abdomen and a pelvic fracture. Computed tomography (CT) scan revealed free intraabdominal fluid. The urethragram showed spreading contrast material into the abdominal cavity. Laparoscopic exploration revealed a 3-cm-length perforation at the top of the bladder. The injury was repaired in a two fold fashion. Post-operative follow-up was uneventful. The second case was a 3-year-old boy fell from the second floor of his house on the ground. He had traumatic lesion on his lower abdomen and a pelvic fracture. Due to bloody urine drainage, a cystography was performed and an extravasation from the dome of the bladder into the peritoneum was detected. On laparoscopy, a 3-cm long vertical perforation at the dome of the bladder was found. The perforation was repaired in two layers with intracorporeal suture technique. The post-operative course was uneventful. Laparoscopic repair of traumatic perforation of the bladder dome is a safe, effective and minimally invasive method. The cosmetic outcome is superior.


Journal of contemporary medicine | 2018

Çocukluk Çağı Testis Tümörleri

Unal Bicakci; Dilek Demirel; Sertaç Hancıoğlu; Ender Aritürk; Ferit Bernay


Journal of Experimental & Clinical Medicine | 2016

Cholecystectomy in children: Why and how?

Mithat Günaydin; Burak Tander; Dilek Demirel; Unal Bicakci; Ayşe Bahar Önaksoy; Ender Aritürk; Ferit Bernay


Journal of Experimental & Clinical Medicine | 2016

Comparison of treatment modalities for urinary tract dilatation in children: Open versus endoscopic surgery

Unal Bicakci; Dilek Demirel; Beytullah Yağiz; Yaşar Issi; Mithat Günaydin; Burak Tander; Ferit Bernay


Journal of Experimental & Clinical Medicine | 2016

Urological and intestinal functional outcomes of sacrococcygeal teratoma following surgery

Unal Bicakci; Dilek Demirel; Nilüfer Biçakçi; Yaşar Issi; Beytullah Yağiz; Mithat Günaydin; Burak Tander; Ender Aritürk; Ferit Bernay


Archive | 2015

Laparoscopic appendectomy for perforated appendicitis in children: Is intraperitoneal drainage necessary? Çocuklarda perfore apandisitlerde laparoskopik apendektomi: İntraperitoneal drenaj gerekli midir?

Mithat Günaydin; Dilek Demirel; Ferit Bernay; Burak Tander


Journal of Clinical and Experimental Investigations | 2015

Laparoscopic appendectomy for perforated appendicitis in children: Is intraperitoneal drainage necessary?

Mithat Günaydin; Dilek Demirel; Ferit Bernay; Ender Ariturk; Unal Bicakci; Burak Tander


Archive | 2013

Which technique is the best for the surgical management of empyema thoracis in children

Burak Tander; Unal Bicakci; Mithat Günaydin; Dilek Demirel; Riza Rizalar; Ender Aritürk; Ferit Bernay

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Ferit Bernay

Ondokuz Mayıs University

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Burak Tander

Ondokuz Mayıs University

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Unal Bicakci

Ondokuz Mayıs University

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Ender Ariturk

Ondokuz Mayıs University

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