Publications by authors named "Yusuf O Ilbey"

Purpose: To assess the impact of the The Controlling Nutritional Status (CONUT) score, an indicator of nutritional status, on the survival and prognosis after radical cystectomy.

Materials And Methods: The medical records of patients who underwent consecutive radical cystectomy operations with the diagnosis of muscle-invasive bladder cancer at our clinic were retrospectively examined. The patients were separated into two groups based on the cut-off CONUT score which was derived using the receiver operating characteristic (ROC) curve.

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Article Synopsis
  • The study evaluated five different scoring systems (FGSI, UFGSI, ACCI, qSOFA, LRINEC) to predict outcomes in patients with Fournier gangrene, analyzing data from 311 patients between 2010 and 2024.
  • Univariate and multivariate analyses showed that UFGSI and FGSI were the most effective scoring systems in predicting mortality, with higher values seen in non-survivor patients.
  • ROC analysis determined optimal cut-off values for each scoring system, with UFGSI proving to be the most accurate for predicting mortality, achieving 84% sensitivity and 97% specificity at a score ≥12.
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Purpose: To compare the efficacy and safety of gradual dilation (GD) and one-shot dilation (OSD) techniques in patients who underwent supine percutaneous nephrolithotomy (PCNL).

Methods: The data of 176 patients who underwent supine PCNL were reviewed. Eighty-seven patients who underwent OSD were defined as group 1, and 89 patients who underwent GD were defined as group 2.

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Introduction: Various agents have been tested as preventive treatments for ischemia/reperfusion (IR) damage. In this study, we have investigated for the first time in the literature the efficacy of injection of amniomax (AMX) into testicular parenchyma, which is a commercial medium of rat amniotic fluid, in preventing testicular IR damage related to testicular torsion.

Objective: This study aims to evaluate whether or not amniomax has an effect on experimental IR damage in rat testes using biochemical and histopathological methods based on data in the literature.

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Introduction: Malignant mesothelioma (MM) of tunica vaginalis is a very rare tumor and it has a poor prognosis. It is not easy to diagnose the disease preoperatively because there is a lack of comprehensive studies and information about the disease. We would like to present our two cases with severe scrotal edema and hydrocele, which were debrided perioperatively due to scrotal necrosis, followed by radical inguinal orchiectomy and subsequently diagnosed as MM of tunica vaginalis.

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Objective: Hydronephrosis, which may be caused by kidney stones in the collecting system, may induce permanent flank pain and damage to kidney function. In this study, we aimed to examine whether the presence of hydronephrosis in the patient has an effect on the stone-free rates in flexible ureterorenoscopy (FURS) applications.

Method: The study was carried out retrospectively with 164 patients.

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Objective: Anxiety level in prostate cancer patients is common due to the increase in the incidence of prostate cancer diagnosis. We aimed to search for answers to the following questions such as whether there is preoperative anxiety in patients who will be operated for prostate cancer, what are the risk factors that may cause disease-induced anxiety and the type of surgery especially does robotic surgery reduce patient anxiety.

Method: The patients who were taken into operation were divided into 2 groups as Open Radical Retropubic Prostatectomy-Group 1 and Robot-Assisted Laparoscopic Radical Prostatectomy-Group 2.

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Objective: We aimed to determine the effect COVID-19 pandemic on the daily urology practice of the level 3 centre located in one of the most affected regions in Turkey. We also aimed to assess anxiety and depression levels of patients whose procedures and surgeries had to be postponed due to COVID-19-related restrictions.

Methods: The number of patients admitted to the outpatient clinic, outpatient procedures, emergency consultation requests, hospitalised patients and the total number of surgeries between March 10, 2020 and June 15, 2020 were evaluated.

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Introduction: Surgery is one of the treatment alternatives for prostate cancer, and robotic-assisted laparoscopic prostatectomy (RALP) has become the new trend in the past decade. There is no consensus yet for surgeons who will perform RALP whether they need to be trained or experienced in laparoscopy. In this study, it was aimed to investigate the effectiveness of the surgeon's laparoscopy experience in the perioperative and postoperative results of RALP patients.

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Background: We compared outcomes of en bloc stapler ligation of the renal hilum with separate Hem-o-lok polymer clip ligation of the renal vessels during laparoscopic nephrectomy (LN).

Materials And Methods: Clinical data of patients who underwent LN for renal surgery from January 2009 to December 2015 were collected. Operation time, estimated blood loss, device malfunction rate, open conversion rate, complications and arteriovenous fistula (AVF) formation were evaluated.

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Objective: To investigate the effect of the presence of severe hydronephrosis on percutaneous nephrolithotomy (PNL) outcome in patients who underwent PNL operation with one-shot dilatation technique.

Materials And Methods: Medical data of 989 patients underwent PNL operation in our clinic between 2012 and 2018 were retrospectively reviewed. We included 373 of the patients underwent PNL operation due to renal pelvic stone, who were older than 18 years of age, who did not have any urinary tract abnormality, and had no previous history of open renal stone operation.

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Introduction: Voiding symptoms, storage symptoms and post-voiding symptoms together constitute lower urinary tract symptoms (LUTS). Chronic lymphocytic leukemia (CLL) is the most common leukemia in adults. The most common finding is lymphadenomegaly.

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Objectives: The aim of this study was to compare clinical outcomes and complication rates associated with semirigid (malleable) and inflatable penile prostheses (PPs) and investigate the factors that influence these complications.

Material And Methods: The records of 131 patients who had undergone penile prosthesis implantation (PPI) in our clinic due to erectile dysfunction (ED) between January 2010 and March 2019 were retrospectively reviewed. The initial surgery included 116 primary implants and 15 men had two revision operations.

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Purpose: To compare the effects of two border-age groups: young adults and octogenarians on survival of sporadic renal cell carcinoma (RCC).

Methods: We reviewed the records of 1619 patients that underwent radical or partial nephrectomy due to RCC between January 2004 and December 2018 in two high-volume centers. Patients were divided into two groups based on their age: ≤ 40 years old (group 1) and ≥ 80 years old (group 2).

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Objective: The objective of this study was to evaluate the uroflowmetry test results performed for normal and urgent desire to void and their correlation with International Prostate Symptom Score (IPSS) values in adult male patients having lower urinary tract symptoms (LUTS) complaints.

Material And Methods: In this prospective study, a total of 83 patients were included. With a normal desire to void, maximum flowrate (Qmax)-normal, average flowrate (Qaverage)-normal, and void volume (VV)-normal values were obtained.

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Objective: Infectious complications after transrectal ultrasound-guided prostate biopsy (TRUS-PB) can range from asymptomatic bacteriuria and febrile or non-febrile urinary tract infection (UTI) to sepsis. Cleaning of rectal mucosa with topical antiseptics such as povidone iodine or chlorhexidine before the procedure are alternative prophylaxis methods. We aimed to investigate the effects of these two different topical antiseptic agents on infectious complications and their superiority to each other.

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Objective: To investigate the effect of testicular histopathology on the success of microscopic testicular sperm extraction (mTESE) and the factors that could predict the success of mTESE in patients with non-mosaic Klinefelter syndrome (KS).

Material And Methods: Forty-one KS patients diagnosed with non-obstructive azoospermia (NOA) who had undergone mTESE at our clinic were included in the study. The patients were divided into 5 groups according to the histopathology results: hyalinisation of tubules (HT), sertoli cell only (SCO), early maturation arrest (EMA), late maturation arrest (LMA), and hypospermatogenesis (HS).

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: We investigated the ability of preoperative serum values of red blood cell distribution width (RDW), neutrophil lymphocyte ratio (NLR) and plateletcrit (PCT) to predict Fuhrman grades (FG) and tumor stages of renal cell carcinoma in patients who underwent radical nephrectomy. : Records of 283 patients that underwent radical or partial nephrectomy of renal masses at our clinic between January 2010 and April 2018, whose pathology results indicated renal cell carcinoma (RCC), and who had their FG and T1-4 N0M0 identified were retrospectively evaluated. The patients were divided into two groups based on their FG as low (I-II) and high (III-IV) and their T stages were similarly grouped as limited to kidney (pT1-pT2) and not limited to kidney (pT3-pT4).

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Aim This study aims to evaluate the results of patients we treated with nephrectomy due to Xanthogranulomatous pyelonephritis (XGP) and the effects of kidney volume on the results. Patients and methods Records of 22 patients who underwent nephrectomy due to renal masses at our clinic between January 2008 and May 2018 and whose pathology results indicated XGP were retrospectively evaluated. The computed tomography (CT) measurement of the kidney volumes of the patients was calculated as the product of the longest length, width, and height of the kidney.

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Purpose: To evaluate the characteristics of images generated by magnetic resonance imaging (MRI) and changes in the mass-like lesion (MLL) during the follow-up of patients who underwent partial nephrectomy (PN) with the intra-operative use of hemostatic agents (HAs).

Methods: The records of patients who had undergone PN in our clinic due to renal mass between January 2013 and August 2018 were retrospectively reviewed. Our study included 47 patients who were administered one or more HAs during the PN and who received diffusion and dynamic MRI at the post-operative 2nd/4th Queryand 12th month.

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Objective: We investigate the protective and therapeutic effects of ozone therapy (OT) in radiotherapy (RT)-induced testicular damage.

Methods: Thirty healthy adult male Wistar rats divided into five groups consisting of six animals each as follows: (1) Control (C), (2) RT, (3) OT, (4) OT + RT, and (5) RT + OT group. Histopathological findings, Johnsen scores, thiobarbituric acid-reactive substances (TBARS), glutathione (GSH), superoxide dismutase (SOD), catalase, and glutathione peroxidase (GPx) levels were evaluated.

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Aim To investigate the effects of the additional presence of nephrolithiasis on the results of laparoscopic simple nephrectomy in patients with severe hydronephrotic non-functional kidneys. Patients and methods A total of 43 patients in whom severe hydronephrosis had been determined on spiral computerized tomography, who had a renal function of lower than 10% according to the dimercaptosuccinic acid (DMSA) renal scintigraphy, and who had undergone a laparoscopic simple nephrectomy due to persistent renal pain and/or recurrent urinary tract infection and/or unresolved hypertension with multidrug treatment, were included in the study. The patients were divided into two groups based on the presence of renal stone as those with stone formation (Group 1) and those without stone formation (Group 2).

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Purpose: To investigate the effects of all-trans retinoic acid (ATRA) in cisplatin (CP)-induced testicular damage in rats.

Materials And Methods: Twenty-eight male Wistar rats were divided into four groups: Control, ATRA alone, ATRA+CP, and CP alone. Body weight, testicular weight, sperm count, sperm motility, percentage of abnormal sperm, total antioxidant status (TAS), total oxidant status (TOS), oxidative stress index (OSI) in testicular tissue, and testicular histopathology were compared among groups.

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Background: A staged ureteroscopic procedure is the generally preferred method in the treatment of bilateral ureteral stones due to the risk of bilateral injury. In this study we aimed to evaluate the safety and efficacy of bilateral same-session ureteroscopy (BS-URS) in terms of complications, operation time, serum creatinine, hospital stay and stone-free rates.

Methods: A total of 75 patients who underwent BS-URS and holmium laser lithotripsy were evaluated, retrospectively.

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The aim of this study is to investigate the effects of all-trans retinoic acid (ATRA) use on cisplatin (CP)-induced nephrotoxicty. Twenty-eight rats were randomly divided into four groups. The rats in the control group were injected a single dose of 1 ml/kg saline intra-peritoneally (IP) during 10 days.

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