Ümit Gül

ORCID: 0000-0003-3249-0895
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About
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Research Areas
  • Sperm and Testicular Function
  • Sexual Differentiation and Disorders
  • Kidney Stones and Urolithiasis Treatments
  • Sexual function and dysfunction studies
  • Hormonal and reproductive studies
  • Reproductive Biology and Fertility
  • Pediatric Urology and Nephrology Studies
  • Urological Disorders and Treatments
  • Testicular diseases and treatments
  • Genital Health and Disease
  • Urinary Bladder and Prostate Research
  • Ureteral procedures and complications
  • Cancer Diagnosis and Treatment
  • Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Parasitic infections in humans and animals
  • Dialysis and Renal Disease Management
  • Urologic and reproductive health conditions
  • Pelvic floor disorders treatments
  • Bladder and Urothelial Cancer Treatments
  • Urinary and Genital Oncology Studies
  • Pelvic and Acetabular Injuries
  • Prostate Cancer Diagnosis and Treatment
  • Osteomyelitis and Bone Disorders Research
  • Congenital Anomalies and Fetal Surgery
  • Bone and Dental Protein Studies

Istanbul University-Cerrahpaşa
2003-2025

Başkent University
2009-2024

Tarsus University
2024

Adana Hospital
2021

Turkish Society of Cardiology
2020

Başkent University Hospital
2019

Adli Tıp Kurumu
2014-2015

Adana Numune Eğitim ve Araştırma Hastanesi
2014

Istanbul University
2003

In this multicenter study we aimed to evaluate the efficacy and safety of percutaneous nephrolithotomy in children with respect different features using Clavien classification system.Percutaneous nephrolithotomies performed at 3 urology departments between March 2006 May 2010 were included study. Results are presented for complex/simple renal stones, tubeless/totally tubeless nephrolithotomy, simultaneous bilateral instrument size age groups. Patients divided into distinct groups, infants...

10.1016/j.juro.2010.11.055 article EN The Journal of Urology 2011-02-23

Abstract Introduction Coronavirus disease 2019 (COVID-19) pandemic caused unprecedented restrictions in outpatient services and surgical practices urology as other medical branches well all areas of life. Aim To investigate whether there have been variations the presentations male patients with sexual reproductive health problems to clinics during COVID-19 understand underlying factors for these variations, if any. Methods Male aged ≥18 years who presented 12 centers across Turkey from...

10.1016/j.esxm.2020.100292 article EN cc-by-nc-nd Sexual Medicine 2020-12-07

We analyzed long-term results after percutaneous nephrolithotomy (PCNL) in patients with impaired renal function.Nineteen (6.3%) of 300 who underwent PCNL had serum creatinine values above 1.4 mg/dL before surgery and were considered to have function. Success rate operation, recurrence rate, functional status evaluated.Mean follow-up time was 51.1 +/- 10.1 months. Sixteen completed the study, but three lost follow-up. The operation as follows: stone free 50%, clinically insignificant...

10.1089/end.2009.0362 article EN Journal of Endourology 2009-12-29

Klinefelter syndrome is the most frequent chromosomal abnormality in patients with nonobstructive azoospermia. The development of advanced assisted reproductive techniques, such as testicular sperm extraction and intracytoplasmic injection, has provided possibility biological fathering azoospermic syndrome. We aimed to evaluate our retrieval rate by microdissection analyse injection outcomes these patients. Medical records 110 were retrospectively reviewed. found that lower than published...

10.1111/and.12983 article EN Andrologia 2018-02-20

We aimed to investigate sperm retrieval rates (SRR) by testicular extraction (TESE), factors affecting SRR, and fertilization rate (FR), implantation (IR), clinical pregnancy (CPR) live birth (LBR) in patients with presumed Sertoli-cell-only syndrome testis biopsy (SCOS). retrospectively evaluated files of 134 SCOS who underwent TESE. Group I were whom spermatozoa retrieved II no could be retrieved. Follicle stimulating hormone (FSH), Luteinizing (LH), testosterone levels, the volume...

10.1111/j.2047-2927.2012.00003.x article EN Andrology 2012-08-30

We retrospectively investigated the factors that affect success of rigid ureteroscopy in pediatric population for management ureteral stones.We present a retrospective review 61 consecutive patients who underwent 66 procedures stone management. The effects sex, age, diameter, localization, and degree associated ureterohydronephrosis (UHN) on were evaluated.The mean age was 8.1 years (range 6 mos-16 yrs). average diameter 8.22 mm 4-20 mm). In 56 cases (84.8%), all stones extracted. five...

10.1089/end.2009.0476 article EN Journal of Endourology 2010-04-27

Purpose: To investigate whether patients who are on alpha 1-adrenergic receptor (alpha 1-AR) antagonists for the treatment of benign prostatic hyperplasia (BPH) had better results after extracorporeal shockwave lithotripsy (SWL). Patients and Method: We retrospectively reviewed records male older than 50 years underwent SWL. Clinical characteristics, including use 1-AR BPH were analyzed. Mann–Whitney U test was used data not normally distributed student's t distributed. The categorical...

10.1089/end.2012.0630 article EN Journal of Endourology 2012-12-13

Abstract Background Sexual position is one of the several aspects that affects ejaculation control, which essential for sexual pleasure. Still little known, nevertheless, about connection between positions and duration. Objective To investigate impact various on duration gain a deeper understanding elements influence ability to control ejaculation. Method An online survey was carried out sample 1904 heterosexual men ages 18–65 years. Premature (PE) diagnostic tool used define PE....

10.1111/andr.13775 article EN cc-by-nc-nd Andrology 2024-10-04

There is limited data in the literature that suggests transition zone (TZ) biopsy might be useful for prediction of extraprostatic extension (EPE) clinically localized prostate cancer. We studied role TZ EPE.Transition biopsies were performed addition to systematic peripheral (PZ) between November 1995 and December 1999. During this period, 59 patients underwent radical prostatectomy disease. Final pathological results compared with preoperative clinical findings.Of who prostatectomy, 46 had...

10.1046/j.1442-2042.2003.00622.x article EN International Journal of Urology 2003-05-28
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