Publications by authors named "Eyyup S Pelit"

Objective: This study aims to compare two different drainage methods, percutaneous nephrostomy (PCN) and retrograde ureteral double-J (DJ) stent insertion, in patients with obstructive pyelonephritis (OP).

Methods: The study included 77 patients who presented to the emergency department due to stones. Type of decompression treatment (PCN or DJ stent), fever, white blood cell count (WBC), C-reactive protein (CRP) levels, urine culture, blood culture, presence of additional diseases, and antibiotic treatment were evaluated for these patients.

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Background: Mechanisms to explain inflammation in male infertility of unknown cause are still being investigated. The inflammasome is a key regulator of innate immunity in the inflammatory response to infections. Our study aims to investigate the effects of varicocele on infertility, its relationship with antioxidant and inflammasome mechanisms, and how it could be guided in azoospermic or nonazoospermic patients.

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Background: This study was designed to compare the outcomes of mini-percutaneous cystolithotomy (mPCL) and transurethral cystolithotripsy (TUCL) in treating bladder stones in preschool-aged children (≤6 years old).

Methods: Twenty-four patients treated with mPCL and 28 patients treated with TUCL for bladder stones were compared retrospectively. The operative and postoperative outcomes of both groups were analyzed.

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Infertility is defined as the inability of couples to have a baby without contraception after at least 1 year of regular sexual intercourse. Mechanisms to explain inflammation in male infertility of unknown causes are still being investigated. The inflammasome is a key regulator of innate immunity, which is involved in the inflammatory response to infections and various diseases through the activation of caspase-1 and the use of inflammatory cytokines.

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Objective: The aim of the present study was to examine the results of antegrade JJ stent placement in upper urinary tract obstruction in patients where retrograde placement was not possible.

Methods: In this retrospective study, patients who underwent antegrade JJ stent placement for malignant ureteral obstruction in the urology clinic of a university hospital between January 1, 2018 and December 31, 2020 were included in the study. JJ stent was placed under local or general anaesthesia guided by ultrasonography and fluoroscopy.

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Objectives: Vesicoureteral reflux (VUR) exacerbates the risk of renal scarring by establishing a ground for pyelonephritis. It is known that the inflammatory process is more influential than the direct damage caused by bacterial infection in the development of renal scars after pyelonephritis. Therefore, the present study aims to investigate the relationship between renal scarring and systemic inflammatory markers in patients with VUR.

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Objective: The management of urolithiasis in patients with a solitary kidney is challenging for urologists. This study aimed to evaluate the safety of retrograde intrarenal surgery (RIRS) in the treatment of stones in patients with solitary kidney and to reply to the question if there is any limit for this surgery.

Methods: Between January 2016 and December 2019, we enrolled 52 patients who had a solitary kidney and underwent RIRS.

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Objectives: This study aimed to evaluate the factors affecting the treatment choice in pregnant women with symptomatic hydronephrosis.

Methods: Hospital records of pregnant women who visited our clinic due to symptomatic hydronephrosis between December 2010 and December 2020 were analysed retrospectively. Patients were divided into 2 groups: conservative and surgical (JJ stent) treatment groups.

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Introduction: Urolithiasis during pregnancy is an important health concern that can affect maternal and foetal health. If left untreated, it can cause obstetric complications, such as spontaneous abortion and preterm delivery. In this study, we aimed to evaluate urolithiasis and its treatment in pregnant women.

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The present study is intended to investigate the usability of shear wave elastography (SWE) in predicting the success of extracorporeal shock-wave lithotripsy (ESWL) used in kidney stone treatment. ESWL was performed on a total number of 52 patients diagnosed with kidney stones between May 2019 and July 2020. The presence of a residual stone greater than 4 mm was accepted as failure.

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Introduction: In our study, we sought answers to many questions about male infertility from a different perspective. The first step in male infertility is anamnesis, physical examination and sperm count. The European Academy of Andrology recommends examination of genetic causes in individuals with fewer than 5million/ml semen counts.

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This study investigated the role of carotid artery intima-media thickness (IMT) as a morphological marker of the response of vasculogenic erectile dysfunction (ED) patients to tadalafil, one of the phosphodiesterase 5 inhibitor (PDE5-I). Through March-December 2016, 51 men with vasculogenic ED aged over 30 years were enrolled in this prospective study. Vasculogenic ED was accepted as a normal testosterone level, with penile colour Doppler ultrasonography showing arteriogenic ED, venogenic ED or mixed arteriogenic and venogenic ED.

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Aim: In developing countries, surgery, birth traumas, and especially gynecological procedures are the most common cause of vesicovaginal fistulas (VVFs). We retrospectively evaluated our treatment modalities for VVF repair caused by obstetric causes and compared with the current literature.

Materials And Methods: We compared the surgical approach preferences and their results with patient characteristics as well as fistula size and location for the management of VVFs.

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Objective: Pathological calcifications that occur in various parts of the body may cause stone formation over time. The structure of these stones is similar in many regions of the body. We have studied the relationship between dental calculi and kidney stones.

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Objective: Percutaneous nephrolithotomy (PCNL) is a widely accepted and frequently performed operation for large kidney stones. However, there is not much information about the effects of irrigation fluid temperature as well as many other factors that affect success and complications during the operation. In this study, we aimed to investigate the surgical and anesthesiological effects of irrigation fluid used in body temperature and room temperature during and after PCNL.

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Purpose: The study objective was to evaluate the safety and efficacy of mini-laparoscopic pyeloplasty (mLP) in an adult population and to demonstrate the functional and cosmetic results.

Methods: Data for 29 patients (19 men and 10 women) undergoing mLP for ureteropelvic junction obstruction (UPJO) from May 2014 to December 2016 in Turkey were collected in this prospective study. Inclusion criteria were age ? 18 years, body mass index (BMI) ? 30 kg/m2 and primary UPJO, and no previous surgery on the affected kidney or previous abdominal surgery.

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Purpose: We aimed to describe the natural history of stone fragments ? 7 mm that remained after retrograde intrarenalsurgery (RIRS) in long-term follow-up.

Materials And Methods: We retrospectively reviewed 142 medical records of patients who had residual fragments (RFs) ? 7 mm after RIRS. Patients were divided into 2 groups according to the size of RFs as ? 4 mm (group 1) and 5 - 7 mm (group 2).

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Testicular sex cord-stromal tumors constitute a small portion of all types of testicular tumors. Only 1% of these tumors are pure Sertoli cell tumors. Sertoli cell tumors have three identified subgroups: large-cell calcifying (LCCSCT), sclerosing Sertoli cell and general type.

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Objectives: The present study was aim to evaluate the safety and efficacy of Mini-PNL to treat kidney stones in patients aged <3 years. This is the one of the largest series in the literature in this age group of patients.

Material And Methods: From May 2012 to April 2016, the medical records of 74 infant patients who underwent mini-PNL for renal stones were reviewed retrospectively.

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Percutaneous nephrolithotomy (PCNL) is a commonly used type of minimally invasive treatment in kidney stone surgeries. Surgical success is assessed according to residual stone amount after surgery. The purpose of this study is to compare the two methods' success and practicality that are applied after the fracture of the stone in the patients who applied PCNL and which enable the removal of the residual stones.

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A 48-year-old man admitted to the urology outpatient clinic with major symptoms of right-side pain and intermittent lower urinary tract symptoms (LUTSs) such as low urine flow rate, dysuria, and frequency. Uroflowmetry showed low urine flow, and laboratory tests revealed no pathology. Ultrasound (US) showed a 7 cm calcific mass above the bladder and a kidney cyst with a diameter of 5.

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Objective: To compare the efficacy between motorized articulating instruments (AI) and rigid conventional laparoscopic instruments (CI) in chancing visualizing systems, respectively two-dimension (2D) and three-dimension (3D).

Methods: Sixty physicians were divided into three groups according to their previous experience as medical students (Group 1), residents (Group 2), and expert surgeons (Group 3). Four experimental sets were created, respectively CI-2D visualizing system (CI-2D), CI-3D visualizing system (CI-3D), AI-2D visualizing system (AI-2D), and AI-3D visualizing system (AI-3D) platforms.

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Objective: To compare the outcomes of mini-percutaneous nephrolithotomy (m-PCNL) and retrograde intrarenal surgery (RIRS) in treating renal stones in preschool-aged children.

Materials And Methods: Forty-five patients treated with m-PCNL and 32 patients treated with RIRS for renal stones were compared retrospectively. The operative and postoperative outcomes of both groups were analyzed retrospectively.

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Objective: In this study, we investigated the efficacy of nuclear matrix protein 22 (NMP22) in the diagnosis and surveillance of bladder cancer.

Material And Methods: Patients with hematuria or who applied for cystoscopic control of proven bladder cancer were prospectively enrolled in this study. Routine cytologic examination and NMP22 test were performed on the voided urine sample obtained before the cystoscopy.

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