Abstract
Introduction and hypothesis
This work aims to study the prevalence of hydronephrosis and its associated factors in women with pelvic organ prolapse (POP) and to assess the effect on hydronephrosis following treatment for POP.
Methods
In this prospective observational study, 233 patients with POP were staged by the Pelvic Organ Prolapse-Quantification system, followed by sonographic measurement of bilateral renal pelvis to identify presence of hydronephrosis. Follow-up scan for hydronephrosis was performed after patients were treated for the POP.
Results
The prevalence of hydronephrosis was 10.3% (95% confidence interval (CI), 6% and 14%). Although patient’s age, higher parity, and the presence of diabetes mellitus and hypertension were more common in the group with hydronephrosis, logistic regression analysis indicated that only the severity of POP was an independent risk factor for hydronephrosis. The odds ratio in stages 3 to 4 POP for hydronephrosis was 3.4 (95% CI, 1.3 and 9.2). Hydronephrosis resolved in 95% of patients after they received treatment for POP.
Conclusions
The prevalence of hydronephrosis was 10.3% in patients with POP and patients with stages 3 to 4 POP were at particular higher risk. Hydronephrosis resolved in most of the patients after treatment for the prolapse.
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Hui, S.Y.A., Chan, S.C.S., Lam, S.Y.J. et al. A prospective study on the prevalence of hydronephrosis in women with pelvic organ prolapse and their outcomes after treatment. Int Urogynecol J 22, 1529–1534 (2011). https://doi.org/10.1007/s00192-011-1504-2
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DOI: https://doi.org/10.1007/s00192-011-1504-2