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Urinating standing versus sitting: position is of influence in men with prostate enlargement. A systematic review and meta-analysis.
PLoS One 2014; 9(7):e101320Plos

Abstract

BACKGROUND

It is suggested that the body posture during urination can influence urodynamic parameters in patients with Lower Urinary Tract Symptoms (LUTS) to an extent approaching pharmacological interventions. In this article, the influence of body position during micturition on maximum urinary flow rate (Qmax), voiding time (TQ) and post-void residual volume (PVR) in healthy males and patients with LUTS is analyzed by means of a systematic review and meta-analysis.

EVIDENCE ACQUISITION

A systematic search was conducted in 14 medical databases. Studies comparing urodynamic parameters in standing versus sitting position were eligible for inclusion. Studies were stratified according to health status of included male participants: healthy individuals and patients with LUTS. Standardized mean differences for Qmax, TQ and PVR were pooled in a random effects model.

RESULTS

Eleven articles were included. In men with LUTS, a significantly lower PVR (-24.96 ml; 95%CI -48.70 to -1.23) was shown in sitting position compared to standing. In accordance, Qmax was increased (1.23 ml/s; 95%CI -1.02 to 3.48), and TQ was decreased (-0.62 s; 95%CI -1.66 to 0.42) in sitting position, although these differences did not reach statistical significance. In healthy men, Qmax (0.18 ml/s; 95% CI -1.67 to 2.02), TQ (0.49 s; 95%CI -3.30 to 4.27) and PVR (0.43 ml; 95%CI -0.79 to 1,65) were similar in sitting and standing position.

CONCLUSION

For healthy men, no difference is found in any of the urodynamic parameters. In patients with LUTS, the sitting position is linked with an improved urodynamic profile.

Authors+Show Affiliations

Department of Urology, Leiden University Medical Center (LUMC), Leiden, the Netherlands.Department of Urology, Leiden University Medical Center (LUMC), Leiden, the Netherlands.Department of Urology, Leiden University Medical Center (LUMC), Leiden, the Netherlands.Department of Urology, Leiden University Medical Center (LUMC), Leiden, the Netherlands.Department of Clinical Epidemiology, Leiden University Medical Center (LUMC), Leiden, the Netherlands.

Pub Type(s)

Journal Article
Meta-Analysis
Research Support, Non-U.S. Gov't
Review
Systematic Review

Language

eng

PubMed ID

25051345

Citation

de Jong, Ype, et al. "Urinating Standing Versus Sitting: Position Is of Influence in Men With Prostate Enlargement. a Systematic Review and Meta-analysis." PloS One, vol. 9, no. 7, 2014, pp. e101320.
de Jong Y, Pinckaers JH, ten Brinck RM, et al. Urinating standing versus sitting: position is of influence in men with prostate enlargement. A systematic review and meta-analysis. PLoS ONE. 2014;9(7):e101320.
de Jong, Y., Pinckaers, J. H., ten Brinck, R. M., Lycklama à Nijeholt, A. A., & Dekkers, O. M. (2014). Urinating standing versus sitting: position is of influence in men with prostate enlargement. A systematic review and meta-analysis. PloS One, 9(7), pp. e101320. doi:10.1371/journal.pone.0101320.
de Jong Y, et al. Urinating Standing Versus Sitting: Position Is of Influence in Men With Prostate Enlargement. a Systematic Review and Meta-analysis. PLoS ONE. 2014;9(7):e101320. PubMed PMID: 25051345.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Urinating standing versus sitting: position is of influence in men with prostate enlargement. A systematic review and meta-analysis. AU - de Jong,Ype, AU - Pinckaers,Johannes Henricus Francisca Maria, AU - ten Brinck,Robin Marco, AU - Lycklama à Nijeholt,Augustinus Aizo Beent, AU - Dekkers,Olaf Matthijs, Y1 - 2014/07/22/ PY - 2014/03/04/received PY - 2014/06/05/accepted PY - 2014/7/23/entrez PY - 2014/7/23/pubmed PY - 2016/3/29/medline SP - e101320 EP - e101320 JF - PloS one JO - PLoS ONE VL - 9 IS - 7 N2 - BACKGROUND: It is suggested that the body posture during urination can influence urodynamic parameters in patients with Lower Urinary Tract Symptoms (LUTS) to an extent approaching pharmacological interventions. In this article, the influence of body position during micturition on maximum urinary flow rate (Qmax), voiding time (TQ) and post-void residual volume (PVR) in healthy males and patients with LUTS is analyzed by means of a systematic review and meta-analysis. EVIDENCE ACQUISITION: A systematic search was conducted in 14 medical databases. Studies comparing urodynamic parameters in standing versus sitting position were eligible for inclusion. Studies were stratified according to health status of included male participants: healthy individuals and patients with LUTS. Standardized mean differences for Qmax, TQ and PVR were pooled in a random effects model. RESULTS: Eleven articles were included. In men with LUTS, a significantly lower PVR (-24.96 ml; 95%CI -48.70 to -1.23) was shown in sitting position compared to standing. In accordance, Qmax was increased (1.23 ml/s; 95%CI -1.02 to 3.48), and TQ was decreased (-0.62 s; 95%CI -1.66 to 0.42) in sitting position, although these differences did not reach statistical significance. In healthy men, Qmax (0.18 ml/s; 95% CI -1.67 to 2.02), TQ (0.49 s; 95%CI -3.30 to 4.27) and PVR (0.43 ml; 95%CI -0.79 to 1,65) were similar in sitting and standing position. CONCLUSION: For healthy men, no difference is found in any of the urodynamic parameters. In patients with LUTS, the sitting position is linked with an improved urodynamic profile. SN - 1932-6203 UR - https://www.unboundmedicine.com/medline/citation/25051345/full_citation L2 - http://dx.plos.org/10.1371/journal.pone.0101320 DB - PRIME DP - Unbound Medicine ER -