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  • Title: Size of urogenital hiatus as a potential risk factor for emptying disorders after pelvic prolapse repair.
    Author: Ghafar MA, Chesson RR, Velasco C, Slocum P, Winters JC.
    Journal: J Urol; 2013 Aug; 190(2):603-7. PubMed ID: 23416637.
    Abstract:
    PURPOSE: We correlated urogenital hiatus size and levator ani contraction strength with early postoperative emptying disorders. We also determined whether postoperative emptying disorders could be predicted before anti-incontinence procedures and pelvic organ prolapse repair. MATERIALS AND METHODS: We retrospectively reviewed the charts of 225 consecutive patients after surgery for pelvic organ prolapse and/or stress urinary incontinence. Urogenital hiatus size was evaluated using pelvic organ prolapse quantification. Levator contraction strength was determined by the Oxford 0 to 5 classification scale. Emptying disorders were defined as post-void residual urine volume greater than 100 ml 48 hours postoperatively and/or discharge home with a Foley catheter or on intermittent self-catheterization. RESULTS: Median patient age, post-void residual urine volume and urogenital hiatus size were significantly related to levator contraction strength (each p <0.05). Univariate logistic regression analysis revealed a significant association of urogenital hiatus size (p = 0.001), post-void residual urine volume (p = 0.005) and levator contraction strength (p = 0.001) with emptying disorder status. Multivariate logistic regression analysis showed that levator contraction strength (p = 0.001) and post-void residual urine (p = 0.01) were independent predictors of emptying disorders. CONCLUSIONS: A wide urogenital hiatus, decreased levator ani contraction strength, increasing age and increased post-void residual urine correlated with an increased chance of early postoperative emptying disorders. The most independent predictors of early emptying disorders were decreased levator contraction strength and increased post-void residual urine.
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