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Published on: October 2, 2020
Cognitive dysfunction in patients with renal failure requiring hemodialysis
Rohini Thimmaiah1, K Krishna Murthy, Denzil Pinto
1Department of Psychiatry, Dr. BRAMC, Bangalore, India.
Patients with renal failure experience significant cognitive impairment, particularly in attention and memory. Hemodialysis treatment demonstrably improves these cognitive functions, offering relief for individuals with kidney failure.
Area of Science:
- Nephrology
- Neuropsychology
- Cognitive Science
Background:
- Renal failure is associated with significant cognitive deficits in attention and memory.
- Patients undergoing hemodialysis often exhibit impaired cognitive performance.
Purpose of the Study:
- To assess the extent of cognitive dysfunction in patients with renal failure requiring hemodialysis.
- To evaluate the impact of hemodialysis on cognitive functions in these patients.
Main Methods:
- A study involving 60 participants: 30 patients with renal failure and 30 healthy controls.
- Participants were matched for age, sex, and socioeconomic status.
- Cognitive function was assessed using the Standardized Mini-Mental State Examination and the Brief Cognitive Rating Scale.
Main Results:
- Patients with renal failure demonstrated substantial cognitive dysfunction across multiple domains before dialysis.
- Cognitive function was significantly better in the post-dialysis group (24 hours after treatment) compared to the pre-dialysis group.
- The observed improvements in cognitive function post-hemodialysis were statistically significant (P=0.001).
Conclusions:
- Renal failure patients exhibit pronounced cognitive impairment.
- Hemodialysis treatment leads to significant improvements in cognitive functions for patients with renal failure.
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