Post-void residual urine was measured by ultrasound or catheterization.The average post-void residual volume for participants was 123.4 mL (range 0-650cc) and the AUA mean symptom score for participants was 19.1, with a 4.1 average bother score. Data analyses did not indicate an association between higher post-void residual volume and increased AUA symptom or bother score (P =.53 and P=.44, respectively), nor any correlation between higher post-void residual volume and history of recent recurrent UTIs (P =.27). No relationship between PVR group and AUA SI or M-ISI was indicated (P =.54 and P=.57, respectively).
Study investigators conclude, “Elevated [post-void residual volume] was common among [multiple sclerosis] patients with [lower urinary tract symptoms] presenting to our clinic: almost half of patients met the UK guidelines for [multiple sclerosis] related urinary retention, and 10% of patients would qualify under the French consensus. However, within our sample, elevated [post-void residual volume] was not associated with worsening [lower urinary tract symptoms] as assessed by AUA [symptom score], worsening incontinence as measured by M-ISI score or increased risk of recurrent UTI.
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