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Randomized Controlled Trial
. 2020 Aug;61(8):1649-1658.
doi: 10.1111/epi.16588. Epub 2020 Jun 30.

Effect of combined physical training on cognitive function in people with epilepsy: Results from a randomized controlled trial

Natan Feter  1   2 , Ricardo Alt  2 , César A Häfele  2 , Marcelo C da Silva  2 , Airton J Rombaldi  2
Affiliations
Randomized Controlled Trial

Effect of combined physical training on cognitive function in people with epilepsy: Results from a randomized controlled trial

Natan Feter et al. Epilepsia. 2020 Aug.

Abstract

Objective: To examine the effect of 12-week exercise program on cognitive function in people with epilepsy.

Methods: Twenty-one physically inactive subjects were randomized into two groups: the exercise group (EG) or the control group (CG). EG performed 12 weeks of combined physical training. CG was advised to maintain usual daily activities. EG received a structured, individually supervised exercise program with two 60-minute sessions per week. Each session included warmup (5-minutes), aerobic (15-20 minutes at 14-17 on Borg scale), strength (2-3 sets, 10-15 repetitions), and 5-minute active stretches. Sociodemographic characteristics, clinical information, memory (Digit Span Test [DST]), executive function (Trail Making Test [TMT] A and B), Stroop Color and Word Test, a verbal fluency task, global cognitive function (Montreal Cognitive Assessment [MoCA]), anthropometric measurements (weight, height, and hip and waist circumferences), cardiorespiratory fitness (maximal oxygen consumption [VO2 max]), and strength (dynamometer) were measured at baseline and after the 12-week intervention.

Results: Exercise decreased time spent on TMT-A from baseline to postintervention (difference = -7.9 seconds, 95% confidence interval [CI] = -14.5 to -1.3, P = .023). EG improved total number of words on the verbal fluency task after intervention (difference = 8.1 words, 95% CI = 3.0 to 13.2, P = .002). EG also improved the score on MoCA at 1.7 (95% CI = 0.1 to 3.3, P = .043) points. We observed a 22.4% (95% CI = 13.1 to 31.6, P = .021) improvement in executive function in EG. No effect of group, time, or group × time was observed on any other cognitive test. Changes in VO2 max were negatively associated with changes in performance on DST (r = -.445, P = .049) and overall memory score (r = -.544, P = .042).

Significance: This randomized controlled trial provided the first evidence that combined physical training improves executive function in adults with epilepsy, showing main improvements in attention and language tasks. Physical exercise should be encouraged for people with epilepsy to reduce the burden on cognitive function associated with this disease.

Keywords: cognition; epilepsy; exercise; randomized controlled trial.

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References

REFERENCES

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