Publications by authors named "Bostanci Y"

Ho: YAG laser lithotripsy is widely used for urinary stone treatment, but concerns persist regarding its thermal effects on renal tissues. This study aimed to monitor intrarenal temperature changes during kidney stone treatment using retrograde intrarenal surgery with Ho: YAG laser. Fifteen patients were enrolled.

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Introduction: Calyceal diverticulum (CD) is the outpouching of a calyx into the renal parenchyma, connected by an infundibulum. Often associated with recurrent stones, common surgical options include percutaneous nephrolithotomy (PCNL) or retrograde intrarenal surgery (RIRS). We aim to present the real-world practises and outcomes comparing both approaches and the technical choices made.

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Introduction: This study aimed to identify a precise learning curve for pure retroperitoneoscopic donor nephrectomy (RDN).

Methods: Data from 172 consecutive kidney donors who underwent pure RDN between January 2010 and July 2019 were prospectively collected and evaluated. Cumulative sum (CUSUM) analysis was used for testing the operation time.

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Adherent perinephric fat (APF) is one of the challenging factors of laparoscopic partial nephrectomy (LPN). The aim of this study was to investigate the effect of intraoperative laparoscopic ultrasound (ILUS) on determining renal tumor localization and dissection in patients with APF who underwent LPN. Prospectively collected data from 517 patients who underwent LPN from October 2010 to September 2020 in tertiary university hospital were evaluated retrospectively.

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Introduction And Hypothesis: This study is aimed at determining the effects of the Incontinence Health Belief Development Program (IHBDP) on the urinary incontinence awareness and health beliefs of women in the pre-menopausal period.

Methods: This randomized controlled study was conducted in 160 eligible women. The pre-test and post-test data of the study were collected from experimental and control groups using the Socio-Demographic Characteristics Information Form, the Incontinence Awareness Scale, the Health Belief Scale on Urinary Incontinence and Kegel Exercise, and the Broome Pelvic Muscle Self-Efficacy Scale.

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Purpose: We designed a multicenter, retrospective study to investigate the current trends in initial management of reflux with respect to European Association of Urology (EAU) Guidelines in Urology clinics of our country.

Materials And Methods: The study group consisted of 1988 renal units (RU) of 1345 patients treated surgically due to vesicoureteral reflux (VUR) (between years 2003 and 2017) in nine different institutions. Patients were divided into two groups according to time of initial treatment and also grouped according to risk factors by "EAU guidelines on VUR.

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Study Objective: The aim of this study was to evaluate the effect of ultrasound-guided erector spinae plane (ESP) block on postoperative pain in radical prostatectomy, which leads to both visceral and somatic pain.

Design: Prospective, randomized, placebo controlled, double-blinded.

Setting: University hospital.

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Partial nephrectomy (PN) is the standard of treatment in patients with cT1 renal tumors. Current guidelines recommend PN as a standard of treatment in patients with cT1 renal tumors. However, the commonly accepted criteria for which surgical outcomes are evaluated both functionally and oncologically are not yet clear.

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To compare percutaneous nephrolithotomy (PCNL) outcomes between the elderly and young age groups and examined differences between young-old, old-old, and oldest-old patients. A retrospective analysis was conducted on 8191 renal units that underwent PCNL between September 1997 and March 2020 at three Turkish academic institutions. Patients were classified into young (18-64 years) and elderly (65+ years) age groups.

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The incidence of renal tumor on the allograft kidney is relatively rare. There is no standard treatment available for the management of such cases. However, if technically feasible nephron-sparing surgical approaches, whether open or minimally invasive, should be preferred for the management of these challenging cases.

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A double-pigtail ureteral stent (DPUS) can cause untoward symptoms, such as urgency, frequency, urinary incontinence, hematuria, and body pain that are bothersome to patient's quality of life (QoL). By reducing the quantity of material in the bladder, it could be reasonable to decrease stent-related symptoms (SRSs). We aimed to evaluate the tolerability of single pigtail suture stent (SPSS) with a validated questionnaire after uncomplicated retrograde semirigid ureteroscopic lithotripsy (URSL).

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Article Synopsis
  • The study evaluated clinical characteristics and Doppler ultrasonography (DUS) results of 44 pediatric patients diagnosed with nutcracker syndrome (NCS) between 2008 and 2015, focusing on symptom associations.
  • Most patients (61.4%) were asymptomatic, often found incidentally during evaluations for proteinuria, while common symptoms included left flank pain and macroscopic hematuria.
  • Statistical analysis revealed significant differences in the left renal vein's diameter and peak velocity ratios between symptomatic and asymptomatic patients, pointing to higher compression in asymptomatic cases linked to orthostatic proteinuria and microscopic hematuria.
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Objective: The objective of this study is to present the experience of 3 institutions performing renal autotransplantation (RAT) and to discuss surgical techniques employed and the results in the light of the medical literature.

Materials And Methods: A total of 14 patients (11 male and 3 female) with a mean age of 47 ± 8 years (35-61 years), who underwent RAT procedure at 3 different institutions between October 2006 and November 2014, in Turkey, were evaluated retrospectively. Indications for RAT procedure are ureteral avulsion, renal artery aneurysm and intimal dissection caused by percutaneous transluminal renal artery angioplasty (PTRA).

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Metanephric adenoma (MA) is an epithelial benign tumor of the kidney and very rare in children. Here we present 2 cases of MA treated by laparoscopic nephron-sparing surgery in children. To the best of our knowledge, we report the first cases of laparoscopic nephron-sparing surgery for MA in children.

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The aim of this study was to analyze the pre- and intraoperative risk factors that affect the development of postoperative systemic inflammatory response syndrome (SIRS) after percutaneous nephrolithotomy (PCNL). Medical records on 317 adult patients with the complete data who underwent single-stage PCNL and followed at our center were retrospectively studied. Patients' data were collected through a database which was collected prospectively.

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Historically, transurethral resection of the prostate has been the gold standard for the treatment of benign prostatic hyperplasia (BPH). Laser technology has been used to treat BPH for > 15 years. Over the past decade, it has gained wide acceptance by experienced urologists.

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Primary testicular leiomyosarcoma is an extremely rare tumor, and, to the best of our knowledge, only 20 cases in adults have been reported in the literature to date. Herein, we present a case of a 68-year-old man who complained of left scrotal swelling for 2 months. Radiological examination revealed a left testicular tumor with no metastases to other organs.

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Optimizing prostate biopsy.

Minerva Urol Nefrol

December 2012

Prostate biopsy (PBx) techniques have changed significantly since the original Hodge's scheme. Although the use of transrectal ultrasound (TRUS) guided (PBx) is considered the gold standard for the diagnosis of prostate cancer (Pca), the strategies for initial and repeat biopsies remain controversial. Even with the widespread application of extended prostate biopsy (ePBx) protocols, the false negative rate remains substantial and early PCa detection remains limited.

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Purpose Of Review: This review aims to evaluate the available evidence on the role of prostatic inflammation in the pathogenesis and progression of benign prostatic hyperplasia (BPH).

Recent Findings: Although there is still no evidence of a causal relation, accumulating evidence suggests that inflammation may contribute to the development of BPH and lower urinary tract symptoms (LUTS). Inflammatory infiltrates are frequently observed in prostate tissue specimens from men with BPH and the presence or degree of inflammation has been found to be correlated with prostate volume and weight.

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We read with great interest the study report by Ji et al. (Urol Res, doi: 10.1007/s00240-012-0476-0 , 2012) about the impact of the intentional ureteral stenting on the success rate of calculus extraction by second ureteroscopy, when the initial ureteroscopy failed.

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Objective: To present our long-term follow-up data from patients with kidney stones and chronic kidney disease to identify the factors that could help predict the likelihood of long-term deterioration in renal function.

Methods: From January 2002 to July 2010, we performed 1117 percutaneous nephrolithotomy (PNL) procedures in 1051 patients. We retrospectively analyzed 69 PNL procedures for 67 patients (47 men and 20 women) in whom the estimated glomerular filtration rate (eGFR) was <60 mL/min/1.

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Forgotten ureteral stents represent a difficult problem for urologists; the major complications are infection, migration, encrustation, stone formation, and multifractured stent, and a consensus on the best therapeutic approach is lacking. Here we present our experience with endoscopic management of this challenging problem and discuss the various endourological approaches for treating forgotten encrusted ureteral stents. From January 2005 to December 2010, 19 patients (11 women and 8 men) with encrusted ureteral stents were retrospectively analyzed.

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Purpose Of Review: The purpose of this review is to provide a complete revision of two of the most widely used clinical guidelines in the management of lower urinary tract symptoms induced by benign prostatic hyperplasia and their importance and compliance among urologists.

Recent Findings: Updates of the American Association of Urology and European Association of Urology clinical practice guidelines (CPGs) were reviewed and analyzed. Literature concerning compliance and application of these two CPGs in the different working scenarios of practicing has been evaluated.

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Purpose Of Review: Transurethral resection of the prostate (TURP) has long been held as the gold standard for treatment of benign prostatic hyperplasia (BPH); however, there has been significant innovation in other less invasive alternative treatments for BPH in recent years. BPH treatment guidelines now recommend minimally invasive therapy be considered as a treatment option alongside TURP and medical management. Our purpose is to review the current evidence supporting the safety, effectiveness, and durability of transurethral microwave thermotherapy (TUMT) as a minimal invasive technique.

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