Exploring Relationships of Catheter Associated Urinary Tract Infection and Blockage in People with Long-Term Indwelling Urinary Catheters
Abstract
Aims The aims were to describe and explore relationships among catheter problems in long-term indwelling urinary catheter users, including excess health care utilization for treating catheter problems. Background Long-term urinary catheter users experience repeated problems with catheter-related urinary tract infection (CAUTI) and blockage of the device, yet little has been reported of the patterns and relationships among relevant catheter variables. Design Secondary data analysis was conducted from a sample in a randomized clinical trial, using data from the entire sample of 202 persons over 12 months’ participation. Methods Descriptive statistics were used to characterize the sample over time. Zero-inflated negative binomial models were employed for logistic regressions to evaluate predictor variables of the presence/absence and frequencies of CAUTI and blockage. Results CAUTI was marginally associated with catheter blockage. Problems reported at least once per person in the 12 months were: CAUTI 57%, blockage 34%, accidental dislodgment 28%, sediment 87%, leakage (bypassing) 67%, bladder spasms 59%, kinks/twists 42%, and catheter pain 49%. Regression analysis demonstrated that bladder spasms were significantly related to CAUTI and sediment amount, and catheter leakages were marginally significantly and positively related to CAUTI. Frequencies of higher levels of sediment and catheter leakage were significantly associated with higher levels of blockage, and being female…
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Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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