Evaluation of Cognitive Function in Patients with Type 2 Diabetes Mellitus: Comparison with Age-Matched Controls: A Prospective Study

Author:

Patel Dhruvi S.1,Patel Richa M.2,Arya Vivek3,Shah Rushin S.1,Sood Shikha V.2

Affiliation:

1. Intern (MBBS), Smt. NHL Municipal Medical College, Ahmedabad, Gujarat, India

2. Department of Pharmacology, Smt. NHL Municipal Medical College, Ahmedabad, Gujarat, India

3. Department of Endocrinology, Smt. NHL Municipal Medical College, Ahmedabad, Gujarat, India

Abstract

Abstract Introduction: A relative deficiency in insulin production, chronic hyperglycemia, abnormalities in carbohydrate and lipid metabolism, and insulin resistance are all the symptoms of type 2 diabetes mellitus (T2DM). The brain is one of many organ systems that is negatively impacted, increasing the likelihood of cognitive decline. Aim: Evaluation of cognitive functions in patients with T2DM and comparison with aged-matched controls. Methodology: Fifty T2DM patients as well as 50 age-matched controls were subjected to Adden Brooke’s Cognitive Examination (ACE-III). The examination assesses attention, orientation, memory, language, fluency, visual perception, and visuospatial skills. It comprises tests of memory (7-item analysis), letter fluency, clock drawing, and memory recall. The optimal ACE-III cutoff scores to detect mild cognitive impairment and dementia are 88/89 (sensitivity 0.77 and specificity 0.92) and 75/76 (sensitivity 0.82 and specificity 0.90), respectively. The comparison of scores of patients and controls was done using the appropriate statistical tests (SPSS version 25). Statistical Analysis Used: Unpaired t-test, Chi-square test, and Pearson correlation coefficient test. Results: The mean ± standard deviation ACE-III scores of T2DM patients and controls were 81.48 ± 12.426 and 86.2 ± 10.447, respectively; the difference between them was not statistically significant. There was a decrease in attention, memory, fluency, and visuospatial ability in cases as compared to controls, but the difference was not statistically significant. Dementia was observed in 30% of cases and 20% of controls. Mild cognitive impairment was similar in both groups. Weak association was seen between the number of drugs prescribed and duration of disease with ACE-III scores. Conclusion: We find a negative association of cognitive function and T2DM.

Publisher

Medknow

Subject

General Medicine

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