Volume 12, Number 4 (winter 2005)                   JSSU 2005, 12(4): 22-39 | Back to browse issues page


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Abedinzadeh M, Amdjadi M. Determination of Normal Range of Uroflowmetry in 15-45 Years Old Males in Tabriz (1998). JSSU. 2005; 12 (4) :22-39
URL: http://jssu.ssu.ac.ir/article-1-1373-en.html

Abstract:   (6248 Views)
Introduction: Uroflowmetry is a noninvasive, simple, cost effective test for screening and diagnosis of abnormal urination, but a reference nomogram consisting of maximum urinary flow (Q max) and mean urinary flow (Q ave) is required. There is a significant relationship between Qmax(maximum urinary flow) and Qave (mean urinary flow) and urine volume according to age. Qmax in 150-400cc urine volume is 26 ml/s and the mean Qave with similar volume is 15ml/s. Maximum (Qmax) is seen in patients younger then 30 years old (39 ml/s) that decreases with increase in age. In order to obtain a reference nomogram, this study was done in a sample population with social, cultural and somatic features similar to our population. Material and Methods: This study was done in 350 normal men (15-45 years old) in Tabriz,Iran. Qmax and Qave were compared with urine volume. Nomograms of urine volumes with Qmax and Qave were drawn and these nomograms included a wide range of urine volumes between 25-800 ml. Results: On the basis of results, maximum urinary flow has relation with urine volume and mean urinary flow has a significant relation with urinary volume and age (P<0.000). Qave has a significant relation with increasing age P (0.023). In this study, mean Qmax in urine volume (150-400ml) was 26ml/s and mean Qave in a similar range was 15ml/s. In this study, flow acceleration of urine in males was studied. Also, measurement of initial slope in urinary volume under 150ml showed a significant difference between normal and abnormal cases, which can be used clinically in patients with urinary volume under 150ml. Conclusion: The nomograms obtained in this study can be used for interpretation of urodynamic tests in patients. Uroflowmetry is a simple, cost effective and noninvasive test as compared to cystoscopy and radiology
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Type of Study: Original article | Subject: General
Received: 2011/02/5

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