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RISS 인기검색어
- 검색키워드
- 저자 : Zafer Aybek (검색결과 4 건)
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- 유료
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ADRB3, ROCK2, and GEF Levels in Overactive Bladder Patients
Elif Fırat,Zafer Aybek,Hülya Aybek 대한배뇨장애요실금학회 2022 International Neurourology Journal Vol.26 No.S1
Purpose: The aim of this study was to evaluate changes in levels of adrenergic receptor β3 (ADRB3), Rho-related kinase 2 (ROCK2), and guanine nucleotide exchange factor (GEF), which play key roles in the adrenergic and cholinergic pathways of contraction-relaxation harmony in voiding physiology, and to explore the relationship between these proteins and overactive bladder (OAB). Methods: This study included 60 idiopathic OAB patients and a healthy control group. A validated OAB-validated 8 questionnaire was completed by all participants. Serum levels of ADRB3, ROCK2, and GEF were examined with enzyme-linked immunosorbent assays. Patient and control groups were compared in terms of these levels, and receiver operating characteristic (ROC) curves were generated for all parameters. Results: The levels of ROCK2 were significantly elevated, but there were no correlations between the OAB symptom score and the serum levels of ROCK2, ADRB3, and GEF in OAB patients. In the ROC analysis, ROCK2 alone provided the strongest potential relationship (area under the curve=0.651) with 84.9% sensitivity. The ROCK2+GEF combination provided a satisfactory relationship (AUC=0.755). The AUC for the ADRB3+ROCK2+GEF combination was 0.752, with 64.2% sensitivity and 88.2% specificity. Conclusions: The study results suggest that alterations in serum ROCK2 levels and the use of this parameter in combination with ADRB3 and GEF levels can shed light on the pathophysiology of idiopathic OAB syndrome and provide a new perspective for treatment
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Ali Ersin Zumrutbas,Ali Ihsan Bozkurt,Okan Alkis,Cihan Toktas,Bulent Cetinel,Zafer Aybek 대한배뇨장애요실금학회 2016 International Neurourology Journal Vol.20 No.4
Purpose: The aims of this study were to assess the prevalence of nocturia and nocturnal polyuria (NP) and to define new cutoff values according to age and sex for both conditions. Methods: Data from a population-based prevalence survey conducted among a random sample of 2,128 adults were analyzed in this study. Participants were requested to fill out a questionnaire including the International Continence Society (ICS) definitions of lower urinary tract symptoms and the International Consultation on Incontinence Questionnaire - Short Form. Additionally, a 1-day bladder diary was given to each individual. The participants were divided into 5 age groups. The prevalence of nocturia was calculated based on definitions of nocturia as ≥1 voiding episodes, ≥2 episodes, and ≥3 episodes. NP was evaluated according to the ICS definition. The mean±standard errors and 95th percentile values were calculated in each group as new cutoff values for NP. Results: The prevalence of nocturia was estimated as 28.4%, 17.6%, and 8.9% for ≥1, ≥2, and ≥3 voiding episodes each night, respectively. When nocturia was defined as 2 or more voiding episodes at night, the prevalence decreased significantly. The mean NP index was 29.4%±15.0% in men and 23.1%±11.8% in women. For the age groups of <50 years, 50–59 years, and ≥60 years, the new cutoff values for the diagnosis of NP were calculated as 48%, 69%, and 59% for men and 41%, 50%, and 42% for women, respectively. Conclusions: We found that the definition of nocturia was still controversial and that waking up once for voiding might be within the normal spectrum of behavior. The definition of NP should be modified, and new cutoff values should be defined using the data presented in our study and in other forthcoming studies.
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Is There a Correlation Between Behçet Disease and Lower Urinary Tract Symptoms?
Aykut Baser,Ali Ersin Zumrutbas,Yusuf Ozlulerden,Okan Alkıs,Aynure Oztekın,Sinan Celen,Zafer Aybek 대한배뇨장애요실금학회 2020 International Neurourology Journal Vol.24 No.2
Purpose: In this study, we aimed to determine the prevalence of lower urinary tract symptoms (LUTS) in patients with Behçet disease (BD) and to investigate the relationship between the severity of BD and LUTS. Methods: Fifty-five patients with BD were included in this study from January to December 2018. All patients received a detailed urological evaluation. Additionally, BD activity was investigated using the Behçet Disease Current Activation Form. The International Prostate Symptom Score (IPSS), International Consultation on Incontinence Questionnaire Short Form, 8-item overactive bladder questionnaire forms, uroflowmetry, and postvoid residual urine volume were evaluated. Results: The mean age of the patients was 42.6 years. The mean activity score of BD was 4.6±3.2 and the mean IPSS score was 7.3±7.3. Sex had no significant effect on the BD activity score. The BD activity score was significantly correlated with the IPSS score, frequency of daytime urination, nocturia, and urgency. It was also correlated with the presence and the severity of urinary incontinence and the effect of urinary incontinence on daily life. Peak flow rate, voided volume, and the postvoid residual urine volume were not correlated with the BD activity score. Conclusions: LUTS were highly prevalent in patients with BD, and the severity and current activity of BD were correlated with frequency, nocturia, urgency, and urinary incontinence. Therefore, a urological evaluation of patients with BD in whom the activity and severity of the disease is elevated should be carried out comprehensively and patients should be managed accordingly.
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Yusuf Özlülerden,Cihan Toktaş,Ali Ersin Zümrütbaş,Mehmet Caner Gülten,Aykut Başer,Onur Yapıcı,Zafer Aybek 대한비뇨의학회 2018 Investigative and Clinical Urology Vol.59 No.1
Purpose: The main objective of this study was to reveal the relationship between lower urinary tract symptoms (LUTS) and post-void residual (PVR) urine volume. Materials and Methods: Between October 2014 and February 2015, older than 40 years patients were included in this study. Volunteers filled out a questionnaire consisted of demographic characteristics, comorbidities, medications, history of surgery and LUTS. Volunteers were undergone PVR measurement with transabdominal ultrasonography. The relationship between symptoms, demographic characteristics and PVR were analyzed. Results: A total of 939 patients (756 men and 183 women) were enrolled in this study. There was a positive correlation between the sensation of incomplete bladder emptying and PVR volume in all age groups of women (p=0.0001). However such a relationship was found only over the age of 60 in the subgroup analysis of men (p=0.001). PVR volume increased in men by age (0.65 mL per year of age, p=0.011). In men, voiding symptoms and urgency were associated with a high PVR volume. In women, storage and voiding symptoms (except slow stream and terminal dribble) did not correlate with PVR volume. Conclusions: Our study showed that all men over the age of 60 years and all women with the complaint of feeling of incomplete emptying should undergone PVR measurement. Women with the complaint of poor stream and men mainly with voiding symptoms are other candidates in whom PVR measurement would be considered as an important tool in the clinical management and follow-up.
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