Publications by authors named "Onur Telli"

Background: To present the characteristics of drug hypersensitivity reactions (DHR) among iron preparations and to describe the outcomes of rapid drug desensitization (RDD) and drug provocation tests (DPT) of ferric carboxymaltose (FCM).

Methods: The retrospective descriptive study comprised patients with hypersensitivy to iron supplements. Low-risk according to the index reaction with iron, 10 patients underwent a 4-step DPT with FCM; an 11-step RDD protocol was administered to 21 patients not classified as low-risk.

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Objectives: Evaluation of the validity of the Quadruple-D score in the prediction of success in pediatric stone disease.

Materials And Methods: Of the 292 children treated with SWL between 2007 and 2023, a total of 158 children who had adequate follow-up data and evaluated with non-contrast computed tomography before SWL, were included in the study. Parameters were calculated for each of the stone volume (SV), skin-to-stone distance (SSD), stone density (SD) and stone location (SL) variables.

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The standard therapeutic regimen for idiopathic chronic eosinophilic pneumonia (ICEP) involves the administration of oral corticosteroids (OCS). However, a notable proportion of individuals experience recurrent episodes after the tapering or cessation of OCS during the course of ICEP. There has been a growing interest in exploring alternative treatment modalities for patients with ICEP at heightened risk of relapse.

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Background: There is lack of evidence on the success of robot-assisted laparoscopic ureteral reimplantation (RALUR) for the treatment of vesicoureteral reflux (VUR) who had prior intervention.

Objective: This study aimed to evaluate the effect of previous unsuccessful STING on the outcomes of RALUR in children.

Study Design: A total of 67 children treated with RALUR by a single surgeon for the treatment of VUR were scanned between February 2018 and April 2022.

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Objective: Fetal surgery for spina bifida aperta (SBA) by open hysterotomy typically repairs anatomical native tissue in layers. Increasingly, fetoscopic repair is performed using a dural patch followed by skin closure. We studied the host response to selected commercially available patches currently being used in a fetal rabbit model for spina bifida repair.

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Triple D score was developed using skin-to-stone distance (SSD), stone density (SD), and stone volume (SV) for prediction of extracorporeal shockwave lithotripsy (SWL) outcomes in adults. SWL is the first-line treatment method for kidney stones <2 cm in children, however, it was not validated in the pediatric population. This article aims to validate Triple D score in pediatric patients.

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Objective: Bladder wall thickness (BWTh) measurements and Nerve Growth Factor (NGF) /creatinine (Cr) values, as noninvasive tools, were found to predict daytime voiding problems in children with overactive bladder (OAB). The goal of this research was to examine if bladder wall thickness together with urine NGF/Cr could be a clinical utility in treatment outcome of OAB in children.

Patients And Methods: A total of 60 children with OAB, (Group 1; n=40) and healthy normal controls (Group 2; n=20), aged 6-14 years old were involved in this prospective study.

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Aim: There are scanty data on the rate of abnormal Tc-99 m dimercaptosuccinic acid (DMSA) renal scintigraphy and associated factors in children older than 5 years with diagnosis of VUR. We do not have knowledge about which older children should undergo DMSA after VUR diagnosis. This study aims to assess the rate of abnormal DMSA findings and associated factors in children older than 5 years of age diagnosed with VUR.

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Introduction:  Placental insufficiency is one of the reasons for the reduction of hormone production. Thus, if one of the suspected causes of hypospadias is placental insufficiency, then the neurodevelopmental status of boys with hypospadias may be impaired. The aim of this study was to evaluate the neurodevelopmental status of boys with hypospadias and guide the parents of those who need support to related departments for early intervention.

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To  discuss  whether  concealed  penis  after  circumcision  lowers  perimeatal  urethral  and  glanular  sulcus  uropathogenic  bacterial  colonization  in  healthy  boys  with  no  urinary  tract  problems  and  prevents  attacks  of  febrile  urinary  tract  infections  in  non-healthy  boys  with  defined  urinary  tract  abnormalities.  Materials and Methods:  This  case-control  study  was  conducted  in  Ibn-i  Sina  Hospital  and  retrospectively  collected  data  of   471 boys  were  analyzed.  All  patients  were  scanned  for  any  urinary  tract  abnormality  and  those  with  any  defined  abnormalities  were  classified  as  non-healthy  group.

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Background/aim: Nowadays surgical intervention is possible in smaller phalluses and younger children with hypospadias disease. Different hormone treatments with different doses, modalities, indications, and treatment times come along with some disputes. The aim of this study is to evaluate the management approaches in hypospadias surgery of surgeons in regards to hormone preparations.

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Background: The optimal management of lower pole kidney (LPK) stones in children is controversial. The aim of this study was to determine the outcomes of children with asymptomatic isolated LPK stones smaller than 10 mm during follow-up.

Methods: A total of 242 patients with 284 stones presenting at our institution between June 2004 and December 2014 with an asymptomatic, single LPK stone with a diameter of <10 mm were enrolled in the study.

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Sodium phosphate based laxatives are commonly used for constipation and pre-procedural bowel cleansing. Phosphate intoxication related with these preparations is well recognized. Herein, we present a case of severe hyperphosphatemia and seizure in a 7-year-old male patient after administration of an oral sodium phosphate based laxative.

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Objective: To evaluate preoperative predictive factors for postoperative complications of augmentation cystoplasty in children by using the modified Clavien classification system (MCCS).

Patients And Methods: A retrospective review of medical records between 1994 and 2014 identified 117 children (64 males and 53 females) who underwent augmentation cystoplasty. Complications were evaluated according to the MCCS.

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Horseshoe kidney is a relatively common congenital anomaly. In 95% of the cases, lower poles are connected to each other. In a small subset, an isthmus connects both upper poles (reverse horseshoe kidney).

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Introduction: To evaluate possible factors that can guide the clinician to predict potential cases refractoriness to medical treatment for giggle incontinence (GI) and to examine the effectiveness of different treatment modalities.

Material And Methods: The data of 48 children referred to pediatric urology outpatient clinic between 2000 and 2013 diagnosed as GI were reviewed. Mean age, follow-up, GI frequency, associated symptoms, medical and family history were noted.

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Introduction: In this study, we aimed to investigate the effect of prestenting on success and complication rates of pediatric ureterorenoscopy (URS) procedures.

Patients And Methods: We retrospectively analyzed the data of 251 pediatric URS cases. Forty-seven of the patients were prestented.

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Purpose: To date, laparoscopy has gradually become the gold standard for treatment of non-palpable testicles (NPT) with different success and complication rates. In this study, we aimed to evaluate outcomes of laparoscopic approaches for NPT.

Materials And Methods: We reviewed data of 82 consecutive patients who underwent laparoscopic treatment for unilateral NPT at two institutions by two high volume surgeons from 2004 January to 2014 December.

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Objective: To identify the incidence and associated factors of the postoperative hydronephrosis in pediatric patients who underwent ureterorenoscopy (URS) for renal or ureteral stones.

Patients And Methods: We evaluated the results of 116 patients who underwent semirigid or flexible URS retrospectively. Primary end points of the study were to determine the incidence of postoperative hydronephrosis and factors associated with the development of postoperative hydronephrosis.

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Objective: According to the ICCS definitions, enuresis is defined by an intermittent, wetting during sleep after organic causes have been ruled out with a minimum wetting frequency of once per month. Previous studies reported a prevalence rate of 9-12%. Eighty to 90% of enuresis cases are identified as primary enuresis and are based on genetic predisposition, biological and developmental factors.

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We report a 13-month-old girl with primary intrarenal neuroblastoma initially diagnosed as Wilms' tumor. Intrarenal neuroblastoma is exceedingly rare in pediatric age that may masquerade as Wilms' tumor clinically and radiographically and it is important to differentiate for management.

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Objective: In this study, we aimed to investigate the relation of testicular torsion and weather conditions, and to report results from Turkey, a country located between temperate and sub-tropical climate zones.

Methods: A total of 56 patients that had surgery with the diagnosis of testicular torsion in Ankara Education and Research Hospital Urology Clinic between 2005 and 2014 were included in the study. Age of the patient, side of torsion, date and time at onset of pain, scrotal exploration time, ischemia duration, degree of cord torsion, the surgical procedure performed, and scrotal Doppler ultrasound (USG) findings at the time of diagnosis and 1 month after surgery were retrospectively analyzed.

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