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Postoperative cognitive changes among older Taiwanese patients
Meei-Fang Lou1, Yu-Tzu Dai, Guey-Shiun Huang
1School of Nursing, College of Medicine, National Taiwan University, No. 1 Sec. 1 Jen-Ai Road, Taipei 100, Taiwan, ROC. mfalou@ha.mc.ntu.edu.tw
Journal of Clinical Nursing
|June 7, 2003
Summary
Older patients experiencing delirium after surgery showed significant cognitive decline, particularly in orientation and memory. Regular mental status assessments are crucial for early detection and intervention in hospital care.
Area of Science:
- Gerontology
- Neuroscience
- Medical Psychology
Background:
- Delirium is a common post-operative complication in older adults.
- Cognitive and behavioral changes during delirium require detailed description.
- Understanding these changes aids in timely clinical intervention.
Purpose of the Study:
- To describe cognitive/behavioral changes in older Taiwanese patients during delirium post-elective surgery.
- To analyze neurocognitive changes over four assessment points: admission, delirium onset, day 3, and day 5.
Main Methods:
- 106 older Taiwanese patients undergoing elective surgery were assessed.
- The Mini Mental State Examination (MMSE) was used for cognitive assessment.
- Repeated measures ANOVA analyzed within-subject changes across four time points.
Main Results:
- Delirious patients exhibited significantly lower MMSE scores (P < 0.01) than non-delirious patients.
- Significant within-group differences (P < 0.01) were observed in delirious patients across assessments.
- Key cognitive deficits included orientation to time/place, registration, and recall, with minimal improvement by day 5.
Conclusions:
- Mental status assessments upon admission and throughout hospitalization are vital.
- Repeated cognitive assessments should be integrated into routine nursing care.
- Early detection and intervention are critical for managing delirium in post-operative older adults.