Residual urine in nursing home residents is not associated with UTIs, Norwegian researchers reported in the Journal of the American Geriatrics Society (2008;56:871-874).
They measured post-void residual volume (PVR) in 150 residents of six nursing homes in Norway and for one year monitored development of UTIs. A total of 98 residents (65.3%) had a PVR less than 100 mL and 52 (34.7%) had a PVR of 100 mL or greater.
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During the follow-up period, one or more UTIs developed in 51 subjects (34%). No significant difference in mean PVR was observed between residents who did and did not experience a UTI. A PVR of 100 mL or greater was not associated with an increased UTI risk.
