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Residual Urine as a Risk Factor for Lower Urinary Tract Infection: A 1‐Year Follow‐Up Study in Nursing Homes
Author(s) -
Omli Ragnhild,
Skotnes Liv H.,
Mykletun Arnstein,
Bakke August M.,
Kuhry Esther
Publication year - 2008
Publication title -
journal of the american geriatrics society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.992
H-Index - 232
eISSN - 1532-5415
pISSN - 0002-8614
DOI - 10.1111/j.1532-5415.2008.01646.x
Subject(s) - medicine , urinary system , urine , nursing homes , norwegian , risk factor , prospective cohort study , residual urine , urinalysis , nursing , philosophy , linguistics , prostate , cancer
OBJECTIVES: To determine whether postvoid urine is a risk factor for the development of lower urinary tract infections (UTIs) in nursing home residents. DESIGN: Prospective surveillance with a follow‐up period of 1 year. SETTING: Six Norwegian nursing homes. PARTICIPANTS: One hundred fifty nursing home residents. METHODS: Postvoid residual (PVR) urine volumes were measured using a portable ultrasound. UTIs were registered prospectively for 1 year. RESULTS: Ninety‐eight residents (65.3%) had a PVR less than 100 mL, and 52 (34.7%) had a PVR of 100 mL or greater. During the follow‐up period, 51 residents (34.0%) developed one or more UTIs. The prevalence of UTI in women was higher than in men (40.4% vs 19.6%; P =.02). There was no significant difference in mean PVR between residents who did and did not develop a UTI (79 vs 97 mL, P =.26). PVR of 100 mL or greater was not associated with greater risk of developing a UTI ( P =.59). CONCLUSION: High PVR is common in nursing home residents. No association between PVR and UTI was found.