Tahir Karadeniz

ORCID: 0000-0002-2738-2788
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About
Contact & Profiles
Research Areas
  • Urological Disorders and Treatments
  • Bladder and Urothelial Cancer Treatments
  • Genital Health and Disease
  • Prostate Cancer Diagnosis and Treatment
  • Sexual function and dysfunction studies
  • Renal and Vascular Pathologies
  • Urinary Bladder and Prostate Research
  • Pediatric Urology and Nephrology Studies
  • Ureteral procedures and complications
  • Urinary and Genital Oncology Studies
  • Kidney Stones and Urolithiasis Treatments
  • Sexuality, Behavior, and Technology
  • Urologic and reproductive health conditions
  • Prostate Cancer Treatment and Research
  • Hormonal and reproductive studies
  • Anesthesia and Pain Management
  • Organ Donation and Transplantation
  • Blood Pressure and Hypertension Studies
  • Hemodynamic Monitoring and Therapy
  • Pain Management and Treatment
  • Cerebral Venous Sinus Thrombosis
  • Pelvic floor disorders treatments
  • Dental Anxiety and Anesthesia Techniques
  • Retinal and Optic Conditions
  • Soft tissue tumor case studies

Liv Hospital
2018-2021

Istinye University
2018-2020

Dr Lütfi Kırdar Kartal Eğitim ve Araştırma Hastanesi
2019

Okmeydanı Eğitim ve Araştırma Hastanesi
1996-2013

Objective To determine the value of a diagnostic and therapeutic approach for patients presenting with acute penis effects this management on outcome. Patients methods The study comprises 21 consecutive (mean age 33.3 years, range 19–53) who presented (acute pain swelling during soon after intercourse). mean interval between accident treatment was 6 h (range 2–20). All initially underwent cavernosography, followed by surgical exploration. Results Cavernosography showed extravasation contrast...

10.1046/j.1464-410x.1996.86420.x article EN British Journal of Urology 1996-02-01

<i>Introduction:</i> The aim of this study is to compare two different anesthetic techniques in radical cystectomy with regard blood loss, transfusional requirements, intraoperative complications and the quality analgesia. <i>Materials Methods:</i> 50 patients scheduled for were randomized groups: group GA – general anesthesia, n = 25 CEGA combined epidural anesthesia. monitored hemodynamic changes, bleeding, analgesia postoperative evaluated....

10.1159/000082712 article EN Urologia Internationalis 2005-01-01

Cavernous tissues of 27 impotent and 4 potent men were evaluated in order to determine the ultrastructural changes patients with vasculogenic impotence. Tissue samples obtained during penile prosthesis insertions surgical repairs fractures patients, respectively. For clinical evaluation (pharmacologic color Doppler ultrasound, dynamic pharmacocavernosometry nocturnal tumescence monitoring) divided into three groups: slight/moderate arterial dysfunction (n = 5), severe 9) purely cavernous...

10.1159/000282878 article EN Urologia Internationalis 1996-01-01

Objective: The aim of this prospective study was to assess the reliability nocturnal penile tumescence monitoring by an ambulatory RigiScan device in etiological diagnosis erectile dysfunction. Patients and Methods: A total 64 randomized patients with a complaint impotence for at least 6 months initially underwent rigidity (NPTR) on 2 consecutive nights private setting as session 1. All subjects then comprehensive multidisciplinary diagnostic approach including dynamic color Doppler...

10.1159/000283015 article EN Urologia Internationalis 1997-01-01

Aim: Transrectal ultrasound (TRUS) guided prostete biopsy is accepted as a standard procedure in the diagnosis of prostate cancer. Many different protocoles are applied to reduce pain during process. In this study we aimed comparison two with intrarectal lidocaine gel and periprostatice nerve blockade respective- ly addition perianal on control biop- sy by TRUS. Methods: 473 patients who underwent TRUS between 2008-2012 were included study. 10-point linear visual analog scale(VAS) was used...

10.4081/aiua.2013.2.69 article EN cc-by-nc Archivio Italiano di Urologia e Andrologia 2013-06-24

The aim of the study was to characterise urological complications after renal transplantation and evaluate role minimally invasive management for complications.A total 920 kidney transplantations were performed between 2008 2015. All patients followed up at least 1 year transplantation. Complications regarded as urinary leakage, ureteral stricture, malignancy, bladder outlet obstruction (BOO) calculi. We evaluated data from time occurrence type prescribed.Among in our clinic, 41 (4.4%)...

10.23736/s0393-2249.18.03078-3 article EN Minerva Urologica e Nefrologica 2018-07-01

The aim of this study was to evaluate the etiology erectile dysfunction (ED) in patients under age 40 years. Eighty one were included study. All underwent a multidisciplinary diagnostic approach by color Doppler ultrasonography, dynamic pharmacocavernosometry (optional), selective pudendal pharmaco-arteriography (optional) and nocturnal penile tumescence monitoring Rigi-Scan (optional). Mean population 32 Psychogenic impotence diagnosed 50% organic 45%. After 3rd decade life, vasculogenic...

10.1100/tsw.2004.64 article EN cc-by The Scientific World JOURNAL 2004-01-01

Choriocarcinoma is the most malignant tumor of gestational trophoblastic neoplasia. It grows rapidly and metastasizes to lung, liver, less frequently, brain. Metastases kidney are rare in literature, bilateral involvement even more scarce. Renal choriocarcinoma highly exceptional may mimic renal cell carcinoma. Here we report a case presenting 5 years after history total anterior hysterectomy because hydatidiform mole.

10.4111/kju.2011.52.7.498 article EN Korean journal of urology 2011-01-01

Dorsal vein rupture of the penis is a rare condition, and few cases have been reported in literature. Herein we report 41-year-old man who presented with mildly painful acute swollen penis, which initially imitated penile fracture but was surgically explored shown to be superficial dorsal rupture.

10.4111/kju.2011.52.4.293 article EN cc-by-nc Korean journal of urology 2011-01-01

The gold standard in the diagnosis of venous impotence is cavernosometry. But a less invasive and time-consuming screening test for patients with high probability required. Therefore we evaluated 82 men erectile dysfunction by color Doppler sonography after intracavernosal injection 60 mg papaverine. 28 them who had poor response but sufficient arterial inflow were included this study. 6 previously found to have psychogenic formed control group. After pharmacological stimulation papaverine,...

10.1159/000282772 article EN Urologia Internationalis 1995-01-01

The aim of our study was to evaluate the outcome penile prosthesis implantation in patients with various comorbidities as a cause erectile dysfunction (ED). data 181 who underwent surgery between 1998 and 2012 two centers were evaluated. mean age 52.2 years (range: 31-71 years). group contained 162 (89.5%) malleable prostheses 19 (10.5%) inflatable implants. All re-evaluated 1 month later assess function complications, further re-examinations performed if needed. Satisfaction defined having...

10.4103/1008-682x.178846 article EN cc-by-nc-sa Asian Journal of Andrology 2016-03-16

Abstract The aim of this study was to describe a technique using full‐thickness skin grafts (FTSGs) from different parts the body for salvage urethroplasties and present outcomes. A total 24 men underwent strictures averaging 7.7 cm (range, 5–17 cm) in length, FTSGs inner arm, thigh, or abdominal skin. Each these cases had at least one failed urethroplasty. Twenty‐four patients surgery 26 urethral strictures, with mean follow‐up period 23.2 (5–44) months operation time 140 (115–180) minutes....

10.1016/j.kjms.2016.07.006 article EN cc-by-nc-nd The Kaohsiung Journal of Medical Sciences 2016-08-06

Introduction: We investigated the efficacy of nephrostomy balloon catheter inflation in access tract for control bleeding after percutaneous nephrolithotomy (PCNL). Materials and Methods: Sixty five patients who had undergone PCNL kidney stones our clinic between April 2006 July 2008 were included study. Patients have been selected consecutively randomized 2 groups. In first group which consisted 33 (Group I), a 16 Ch tube has left following PCNL. The second 32 II) was inflated at 10...

10.1159/000253406 article EN cc-by-nc-nd Current Urology 2010-01-01

The aim of the study was to compare different surgical approaches two centers on outcomes live donor laparoscopic nephrectomy.The first 98 patients each centre who underwent nephrectomy (LDN) or hand-assisted (HALDN) were included in study. following data used for analyses: age, weight, height, body mass index (BMI), transfusion requirement, operative time, ischemia time and postoperative complications.Median BMI, operation estimated blood loss (EBL) 47.29 years, 27.91 kg/m2, 110.73 minutes,...

10.5152/tud.2018.67424 article EN Turkish journal of urology 2018-04-17

This prospective study was designed to compare the parameters obtained by color Doppler ultrasound cavernous artery occlusion pressure measured dynamic pharmacoinfusion cavernosometry in evaluating arterial components of erectile dysfunction. Four indexes were determined as sonography indicate competence. Indexes 1 and 2 reflected peak systolic velocities with respect cut-off values 25 30 cm/s after pharmacological stimulation 60 mg papaverine hydrochloride respectively. Index 3 percentage...

10.1159/000282885 article EN Urologia Internationalis 1996-01-01

We investigated the effect of extracorporeal shockwave lithotripsy (SWL) on serum prostate specific antigen (PSA) concentration.A total 22 male patients with a mean age 52.9 years (range 37-67 years) were treated SWL for distal ureteral calculi close to orifice. Serum samples drawn measurement PSA values just before (PSA-1) and 45 minutes (PSA-2) 7 days (PSA-3) after session. None had urinary tract infection or any abnormal finding digital rectal examination. The sessions performed Wolf...

10.1089/end.2004.18.531 article EN Journal of Endourology 2004-08-01

To evaluate the factors including pelvic dimensions, which might influence operative difficulty and complications after open radical cystoprostatectomy orthotopic neobladder reconstruction in men.A total of 198 RC patients operated our institution with preoperative magnetic resonance (MRI) were analyzed included study. Pelvic interspinous distance (ISD), bony femoral - (BFW) soft tissue width (SW), apical prostate depth (AD), upper conjugate (UC), lower (LC) measured by MRI. BFW, ISD, SW...

10.23736/s0393-2249.19.03195-3 article EN Minerva Urologica e Nefrologica 2019-07-01
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