The comparison of hand grip strength between healthy volunteers and individuals diagnosed with temporal lobe epilepsy.

Abstract

Purpose: Hand grip strength (HGS) is crucial for the performance of daily activities and has been linked to various clinical parameters, including morbidity, mortality, and both physical and cognitive functions. While HGS has been shown to decline in numerous diseases, it has not been previously examined in patients diagnosed with temporal lobe epilepsy. This study aims to investigate the differences in hand grip strength between individuals with temporal lobe epilepsy and healthy volunteers.

Methods: A total of forty-four patients diagnosed with temporal lobe epilepsy (22 with controlled epilepsy and 22 with drug-resistant epilepsy) and 22 healthy volunteers were followed up at the Epilepsy and Sleep Center. Maximum and mean hand grip strength measurements were obtained for both the dominant and non-dominant hands using a digital hand dynamometer. Based on the assumption of normality, data from healthy volunteers and all epilepsy patients were analyzed using independent samples t-tests or Mann-Whitney U tests. Comparisons among the resistant epilepsy group, controlled epilepsy group, and healthy volunteer group were conducted using one-way analysis of variance (ANOVA) or Kruskal-Wallis tests. Pairwise comparisons were performed using independent samples t-tests or Mann-Whitney U tests. Correlations were assessed using Spearman's rank correlation tests.

Results: The mean age of the sample was 32.56 years (SD = ±1.29). The sample comprised 24 male and 42 female participants. The average duration of education was 11.68 ± 3.20 years, while the average age of onset of epilepsy among patients was 16.39 ± 10.95 years, with a disease duration of 16.45 ± 10.97 years. Significant differences were observed in all hand grip strength variables between healthy volunteers and individuals diagnosed with temporal lobe epilepsy. Notably, there were significant differences in hand grip strength between healthy volunteers and the patient group; however, no differences were found between subgroups with controlled seizures and those with drug-resistant epilepsy.

Conclusion: A significant reduction in hand grip strength has been observed in patients diagnosed with temporal lobe epilepsy, regardless of treatment resistance and disease severity. This decline may be attributed to several factors, including impaired motor coordination resulting from seizures, side effects of medications, and mood disturbances. Further comprehensive studies are necessary to explore the relationship between these underlying factors and hand grip strength, as well as its association with other clinical variables such as functionality and mortality.