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ORIGINAL ARTICLE
Year : 2018  |  Volume : 18  |  Issue : 4  |  Page : 130-136

Cognitive disorders in chronic kidney disease and hemodialysis patients


1 Department of Internal Medicine, Faculty of Medicine, University of Alexandria, Alexandria, Egypt
2 Department of Neuropsychiatry, Faculty of Medicine, University of Alexandria, Alexandria, Egypt
3 Department of Faculty of Medicine, University of Alexandria, Alexandria, Egypt

Correspondence Address:
Dr. Mona M Abdulmoneim Mohamed
Alexandria, 21615
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jesnt.jesnt_21_18

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Introduction Cognitive impairment (CI) is common in individuals with chronic kidney disease (CKD) and among those treated with hemodialysis (HD). It may jeopardize treatment adherence by affecting the efficiency of every-day tasks, including correct medication and dietary rules. The severity of CKD is associated with the severity of CI, independent of age, education, and other key confounders. It is important to identify those patients with CI to reduce the considerable morbidity associated with this condition and improve their quality of life. Objectives The aim of the present study is to assess cognitive functions in patients with chronic renal diseases and patients on regular HD and to identify CI in these patients. Patients and methods A total of 30 patients with CKD were recruited from the outpatient clinic of Alamerya General Hospital (group I), and 30 HD patients were enrolled in the dialysis unit of the Alamerya General Hospital (group II). Moreover, 30 sex-matched and age-matched patients were recruited as controls (group III). Montreal Cognitive Assessment (MoCA) and Depression Anxiety Stress scale-21 were used as cognitive and neurological tests. Result The mean executive functions score was significantly lower in group II (2.37±0.67) in comparison with group I (3.33±0.48), with a P value less than 0.001, and it is also significantly lower in groups I and II in comparison with the control group (3.90±0.31), with a P value of 0.002 and less than 0.001, respectively. The mean attention score was significantly lower in group I (4.20±0.81) and group II (4.23±0.94) in comparison with the control group (5.27±0.69), with a P value of less than 0.001. The mean memory score was significantly lower in group I (3.10±0.40) and group II (2.57±0.90) in comparison with the control group (4.47±0.73), with a P value of less than 0.001. The mean total MoCA test score was significantly lower in group II (22.87±1.68) in comparison with group I (24.27±1.26), with a P value of less than 0.017, and it is also significantly lower in groups I and II in comparison with the control group (28.33±1.47), with a P value of less than 0.001. Conclusion Impaired renal function affects total MoCA score in the studied groups.


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