Urinary tract obstruction
Causes of urinary tract obstruction include:
Congenital urinary tract obstruction
Urinary tract obstruction as a congenital disorder results in oligohydramnios which in turn can lead to the Potter sequence of atypical physical appearance. Pulmonary hypoplasia is by far the main cause of death in the early neonatal period for children with congenital lower urinary tract obstruction.
Sitting voiding position
A meta-analysis on the influence of voiding position on urodynamics in healthy males and males with LUTS showed that in the sitting position, the residual urine in the bladder was significantly reduced. The other parameters, namely the maximum urinary flow and the voiding time were increased and decreased respectively. For healthy males, no influence was found on these parameters, meaning that they can urinate in either position.
- Morris, R. K.; Malin, G. L.; Quinlan-Jones, E.; Middleton, L. J.; Hemming, K.; Burke, D.; Daniels, J. P.; Khan, K. S.; Deeks, J.; Kilby, M. D. (2013). "Percutaneous vesicoamniotic shunting versus conservative management for fetal lower urinary tract obstruction (PLUTO): A randomised trial". The Lancet. 382 (9903): 1496. doi:10.1016/S0140-6736(13)60992-7.
- de Jong, Y; Pinckaers, JH; Ten Brinck, RM; Lycklama À Nijeholt, AA; Dekkers, OM (2014). "Urinating Standing versus Sitting: Position Is of Influence in Men with Prostate Enlargement. A Systematic Review and Meta-Analysis.". PLOS ONE. 9 (7): e101320. doi:10.1371/journal.pone.0101320. PMC . PMID 25051345.
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