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Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
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[Evaluation and analysis of cognitive function in chronic renal failure patients]
Cunsheng Wei1, Bin Sun, Xiaohua Gu
1Department of Neurology, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing 210029, China.
Zhonghua Yi Xue Za Zhi
|December 17, 2014
Summary
Patients with chronic renal failure (CRF) exhibit significant cognitive impairment, particularly in visual-spatial ability and memory. Cognitive function in CRF patients correlates with glomerular filtration rate (GFR) and illness duration.
Area of Science:
- Nephrology
- Neurology
- Cognitive Science
Background:
- Chronic renal failure (CRF) is a progressive condition affecting kidney function.
- Cognitive impairment is increasingly recognized as a complication in CRF patients.
- Understanding the specific cognitive deficits and their correlates is crucial for patient management.
Purpose of the Study:
- To investigate the characteristics of cognitive impairment in patients with chronic renal failure (CRF).
- To analyze the correlation between cognitive function and clinical parameters in CRF patients.
- To compare the sensitivity of the Addenbrooke's Cognitive Examination Revised (ACE-R) scale versus the Mini-Mental State Examination (MMSE) in assessing cognitive function in CRF.
Main Methods:
- A cross-sectional study involving 101 CRF patients and 30 healthy controls.
- Cognitive function was assessed using the Addenbrooke's Cognitive Examination Revised (ACE-R) scale.
- Statistical analyses included T-tests, ROC curve analysis, and correlation analyses with glomerular filtration rate (GFR) and duration of illness.
Main Results:
- CRF patients demonstrated significantly lower ACE-R scores compared to controls (P < 0.01).
- Specific deficits were observed in visual-spatial ability, language fluency, and memory in CRF patients (P < 0.01 for visual-spatial and language; P < 0.05 for memory).
- Cognitive function positively correlated with GFR (r = 0.614, P < 0.01) and negatively with duration of illness (r = -0.492, P < 0.01).
- The ACE-R scale (AUC = 0.680) showed higher sensitivity than the MMSE (AUC = 0.576) in detecting cognitive impairment in CRF (P < 0.01).
Conclusions:
- CRF patients exhibit widespread cognitive impairment, with notable deficits in visual-spatial ability, executive function, long-term memory, and logical judgment.
- The severity of cognitive impairment in CRF is closely linked to the glomerular filtration rate (GFR).
- The ACE-R scale is a more sensitive tool than the MMSE for evaluating cognitive function in patients with chronic renal failure.
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