Related Experiment Video
Updated: May 20, 2026

Detrusor Underactivity Model in Rats by Conus Medullaris Transection
Published on: August 28, 2020
Urinary Urgency Medications May Compromise Discrete rather than Global Cognitive Skills
1Department of Neurology, University of Oklahoma Health Sciences Center and Veterans Affairs Medical Center, Oklahoma City, Okla., USA.
Stopping urinary urgency medication (UUM) like oxybutynin and tolterodine improved cognitive function in some elderly individuals. Subtest scores, not just total scores, revealed these cognitive changes after medication withdrawal.
Area of Science:
- Gerontology
- Neuroscience
- Pharmacology
Background:
- Mixed results exist regarding cognitive impairment from urinary urgency medications (UUM).
- Previous studies suggest a need for refined assessment procedures for UUM-related cognitive effects.
- Urinary urgency medications (UUM) are commonly prescribed for elderly individuals.
Purpose of the Study:
- To investigate the impact of UUM withdrawal on cognitive function in elderly subjects.
- To determine if cognitive improvements are detectable through neuropsychological testing after discontinuing UUM.
- To assess the utility of subtest score analysis versus full-scale scores in detecting cognitive changes.
Main Methods:
- A washout study involving 10 elderly subjects taking UUM.
- Neuropsychological testing administered before and after a 4-week UUM washout period.
- Analysis of discrete subtest results, full-scale scores, and reliable change index.
Main Results:
- Four control subjects and five subjects with mild cognitive impairment showed significant improvements in at least one neuropsychological subtest.
- Cognitive improvements were observed on well-characterized assessment instruments.
- Individualized patterns of change were noted across subjects.
Conclusions:
- Withdrawal of oxybutynin and tolterodine led to significant changes in subtest scores.
- Changes in subtest scores, not always reflected in total scores, indicate cognitive shifts.
- Future studies should prioritize subtest score analysis to accurately capture UUM's cognitive impact.
Related Concept Videos
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations
Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists
Nursing Assessment of the Genitourinary System I: Health History
The Micturition Reflex
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating urine...
Urine Studies II: Urine Culture and Sensitivity Test
