Mehmet Vehbi Kayra

Biochemical Recurrence After Radical Prostatectomy: The Distinct Prognostic Role of ISUP Grade 5

Mehmet Eflatun Deniz, Mehmet Vehbi Kayra, Cevahir Özer, Mehmet Reşit Gören et autres

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(499) Predicting Sperm Retrieval Success in Secondary (Salvage) Testicular Sperm Extraction: A Machine Learning Perspective

Berk Hazır, A Sahin, Dr Mehmet H Gultekin, Cevahir Özer et autres

Abstract Introduction Reported sperm retrieval rates (SRRs) following secondary TESE range from 12.5% to 74.7%. Given that secondary surgery may impose substantial economic and psychological burdens on couples desiring fertility, careful consideration is warranted when establishing the indication for salvage TESE. Additionally, …

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Predicting sperm retrieval success in salvage testicular sperm extraction: a machine learning perspective

Berk Hazır, Ali Sahin, Mehmet Hamza Gültekin, Cevahir Özer et autres

This multicenter retrospective observational study aimed to identify predictive factors for successful secondary testicular sperm extraction (TESE) using advanced machine learning (ML) models. Data from 503 infertile men who underwent secondary TESE between 2021 and 2024 after a previous unsuccessful attempt were …

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Comparison of the Effectiveness of Potassium Para-aminobenzoate and Colchicine in the Treatment of Peyronie Disease: A Retrospective Study

E Kervancioglu, MR Goren, Cevahir Özer, E Hasirci et autres

PURPOSE: Although medical treatment is preferred in the early acute phase of peyronie disease (PD), current literature on its effectiveness is insufficient. The aim of this study is to compare the effectiveness of oral colchicine and potassium para-aminobenzoate (PPA). METHODS: Patients treated …

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Development of a clinical scoring system to predict response to low-intensity shock wave therapy in clinically diagnosed vasculogenic erectile dysfunction: a prospective, non-randomized, single-arm, interventional study

Hakan Anıl, Ali Yildiz, Ayşe Nur Topuz, Mehmet Vehbi Kayra et autres

Abstract Background Erectile dysfunction (ED) is a prevalent condition, with vasculogenic ED being the most common subtype, primarily related to endothelial dysfunction and cardiovascular risk factors. Low-intensity extracorporeal shock wave therapy (Li-ESWT) has emerged as a promising non-invasive treatment option. However, predictors …

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Case Studies: Penile Augmentation Procedures

Mehmet Vehbi Kayra, Özer Ural Çakıcı, Hasan Deliktaş

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Prediction of severe erectile dysfunction after penile fracture repair: machine learning analysis results from the reconstruction and trauma working group of the society of urological surgery (RAT-SUS)

Serdar Geyik, İsmail Önder Yılmaz, Mehmet Zubaroglu, Mutlu Değer et autres

Background: Erectile dysfunction (ED) is a significant complication following penile fracture repair, and early prediction is critical for clinical management. Aim: To evaluate the effectiveness of machine learning (ML) algorithms in predicting the development of severe ED after penile fracture repair and …

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İnvaziv Mesane Kanseri Tedavisi

Mehmet Eflatun Deniz, Mehmet Vehbi Kayra

Kas invaziv mesane kanserinde, rezektabl olgularda (T2–T4a, N0/1-x, M0) altın standart bilateral pelvik lenfadenektomi ile radikal sistektomidir. Laparoskopik veya robot yardımlı cerrahi, açık cerrahiye benzer sonuçlarla birlikte daha az kan kaybı ve daha kısa hastanede kalış sağlamaktadır. Üriner diversiyon, ileal kondüit veya …

Ürogenital Sistem Kanserleri

Leyla Beytur, Fırat Çağlar Budak, Muharrem Baturu, Ali Akkoç et autres

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PSMA PET/CT and Multiparametric MRI in Assessing Local Extension and Lymph Node Metastasis in Prostate Cancer

Mehmet Eflatun Deniz, Mehmet Vehbi Kayra, Bermal Hasbay, Isa Gokturk Balcı et autres

OBJECTIVE: This study aimed to evaluate the diagnostic performance of prostate-specific membrane antigen positron emission tomography/computed tomography (PSMA PET/CT), multiparametric magnetic resonance imaging (mpMRI), prostate-specific antigen (PSA), and maximum standardized uptake value (SUVmax) in detecting seminal vesicle invasion (SVI), extraprostatic extension (EPE), …

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Evaluating AI chatbots in penis enhancement information: a comparative analysis of readability, reliability and quality

Mehmet Vehbi Kayra, Hakan Anıl, Ilturk Ozdogan, Suhail Mohamed Amin Baradia et autres

This study aims to evaluate and compare the performance of artificial intelligence chatbots by assessing the reliability and quality of the information they provide regarding penis enhancement (PE). Search trends for keywords related to PE were determined using Google Trends ( https://trends.google.com …

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Effect of shockwave lithotripsy before percutaneous nephrolithotomy on the risk of renal arteriovenous fistula

Mehmet Eflatun Deniz, Cevahir Özer, Mehmet Vehbi Kayra, İsmail Karluka et autres

INTRODUCTION: This study aimed to assess the impact of shockwave lithotripsy (SWL) on the incidence of renal arteriovenous fistula (AVF) following percutaneous nephrolithotomy (PCNL). METHODS: We retrospectively analyzed data from patients who underwent PCNL and/or SWL for kidney stones, as well as …

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