Annals of Indian Academy of Neurology
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Effect of early yoga practice on post stroke cognitive impairment


1 Department of Neurology, AIIMS, Bhopal, Madhya Pradesh, India
2 Department of Physiology, AIIMS, Bhopal, Madhya Pradesh, India
3 Department of Community and Family Medicine, AIIMS, Bhopal, Madhya Pradesh, India
4 Department of Psychiatry, AIIMS, Bhopal, Madhya Pradesh, India
5 Department of Trauma and Emergency, AIIMS, Bhopal, Madhya Pradesh, India
6 Department of AYUSH, AIIMS, Bhopal, Madhya Pradesh, India

Correspondence Address:
Ruchi Singh,
Associate Professor, Department of Physiology, All India Institute of Medical Sciences Bhopal, Madhya Pradesh
India
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/aian.aian_808_22

Background: Post-stroke cognitive impairment (PSCI) is a clinical entity that encompasses all types of cognitive impairment following an index stroke. Yoga has been proven to have a beneficial effect not only on cardiovascular risk factors but also on cognition. Hence, this study explored the PSCI spectrum and assessed the effect of yoga on PSCI. Methods: Forty stroke patients were enrolled in each yoga and control arm in this study. After the baseline assessment, control arm was administered standard care (including physiotherapy) while yoga arm received additional yoga intervention. Change in MoCA scores by 2 points in either direction, or FAB scale by 2 points at 6 months was taken as primary outcome, whereas improvement in MRS, CDPSS, CBS, and P300 values were considered as secondary outcomes. Results: Significant improvements were observed in MoCA, FAB, MRS, CPDSS, and CBS scores in both groups after 6 months. However, intergroup comparisons revealed better MoCA (25.5, IQR 22-27) and FAB scores (15.5, IQR 14-17) in yoga group compared to controls (24, IQR20-25.75) and (14, IQR12-15.75). Equivalent improvement was observed in MRS and CBS scores in both groups at 6 months; however, CDPSS score was better in yoga group (p = 0.0008). Both P300 amplitudes and latencies improved in all patients and median P300 amplitudes were significantly better in control group; however, no difference could be appreciated in P300 latencies improvement on intergroup comparisons at follow-up. Conclusion: Study reveals that early yoga intervention in stroke survivors leads to better improvement in cognitive abilities which would further facilitate in early reduction of caregiver burden.


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