Investigation of the Effect of Voiding Position on Uroflometric Parameters and Voiding Residue in Healthy Volunteers in Imam Reza Hospital, Mashhad, Iran

Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JKMU-22-5_008

تاریخ نمایه سازی: 19 دی 1401

Abstract:

Background & Aims: Uroflowmetry is a common procedure to examine the lower urinary tract system. Uroflowmetry results are affected by different factors. In this study, the effect of voiding position on uroflowmetric parameters and voiding residue were investigated in healthy subjects. Methods: This descriptive–analysis study was performed on ۴۱ healthy volunteers with mean age of ۳۳.۲۲ ± ۹.۴۵ referred to Imam Reza Hospital, Mashhad, Iran, in ۲۰۱۱. Nonprobability purposive sampling method was used in this study. The uroflowmetric tests were performed in the standing, sitting, and crouching positions for men and in the sitting and crouching positions for women. Post voiding residue (PVR) was measured using transabdominal ultrasound after voiding. Maximum flow rate (Qmax), average flow rate (Qave), voiding volume (VV), voiding time (VT) and PVR values were compared between voiding positions. SPSS software, paired t-test, and repeated measurement were used for data analysis. All P values less than ۰.۰۵ were considered as significant. Results: The differences between Qmax (P = ۰.۱۹۳ for men and P = ۰.۷۹۲ for women), Qave (P = ۰.۳۱۲ for men and P = ۰.۸۹۶ for women), and VV (P = ۰.۱۸۷ for men and P = ۰.۱۲۴ for women), and VT (P = ۰.۰۱۷) in different positions were not statistically significant. However, the lowest and highest mean post voiding residue in men (P = ۰.۰۰۱) were in the crouching and standing positions, respectively. Inwomen, mean post voiding residue (P = ۰.۰۳۹) was lower in crouching position than sitting position. Conclusion: In healthy subjects, voiding position does not affect Qmax, Qave, and VT. However it seems PVR was lower in the position they usually used.

Keywords:

Maximum flow rate (Qmax) Post voiding residue (PVR) , Voiding position

Authors

Kamiar Tavakkoli-Tabassi

. Assistant Professor, Department of Urology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Rahim Taghavi

Professor, Department of Urology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Samaneh Firouz

General Practitioner, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Shabnam Mohammadi

Assistant Professor, Department of Basic Sciences, School of Medicine, Gonabad University of Medical Sciences, Gonabad and MicroanatomyResearch Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

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