Epilepsy & behavior : E&B · 2020
Factors associated with alexithymia in adults with epilepsy.
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Choi Eun Ju, Kim Soo Jeong, Kim Hyo Jae, Choi Hye-Ran, Lee Sang-Ahm
Аннотация
PURPOSE: The relationship between epilepsy and alexithymia, characterized by the inability to feel or express emotion, remains incompletely understood. We investigated alexithymia and its association with epilepsy-related factors in patients with epilepsy (PWE).
METHODS: In this cross-sectional study, PWE and healthy control subjects were recruited. Alexithymia was assessed using the Toronto Alexithymia Scale-20 (TAS-20). The Patient Health Questionnaire-9 (PHQ-9) and the Generalized Anxiety Disorder-7 (GAD-7) were also administered to assess depression and anxiety, respectively. Mediation analysis was conducted using a two-stage regression method.
RESULTS: Ninety adult PWE and 161 healthy control subjects were included in the study. PWE had significantly higher TAS-20 scores (B = 2.445, p = 0.014) than controls, but the prevalence of alexithymia, defined as TAS-20≥61, did not differ between PWE and control subjects after controlling for confounders (15.6% vs. 6.2%, respectively; p = 0.873). Uncontrolled seizures significantly increased alexithymia through depression (B = 3.536, p = 0.006), and this effect was responsible for 61.2% of the total effect on alexithymia. The direct effects of uncontrolled seizures on alexithymia were not significant. In contrast, AED polytherapy had significant direct effects on alexithymia (B = 4.489, p = 0.037) independent of depression. The indirect effects of AED polytherapy via depression did not reach statistical significance (B = 2.371, p = 0.066).
CONCLUSIONS: Alexithymia was more severe, but not more prevalent, in PWE than in healthy controls. AED polytherapy was directly associated with alexithymia, while uncontrolled seizures were indirectly related to alexithymia through depressive symptoms.
METHODS: In this cross-sectional study, PWE and healthy control subjects were recruited. Alexithymia was assessed using the Toronto Alexithymia Scale-20 (TAS-20). The Patient Health Questionnaire-9 (PHQ-9) and the Generalized Anxiety Disorder-7 (GAD-7) were also administered to assess depression and anxiety, respectively. Mediation analysis was conducted using a two-stage regression method.
RESULTS: Ninety adult PWE and 161 healthy control subjects were included in the study. PWE had significantly higher TAS-20 scores (B = 2.445, p = 0.014) than controls, but the prevalence of alexithymia, defined as TAS-20≥61, did not differ between PWE and control subjects after controlling for confounders (15.6% vs. 6.2%, respectively; p = 0.873). Uncontrolled seizures significantly increased alexithymia through depression (B = 3.536, p = 0.006), and this effect was responsible for 61.2% of the total effect on alexithymia. The direct effects of uncontrolled seizures on alexithymia were not significant. In contrast, AED polytherapy had significant direct effects on alexithymia (B = 4.489, p = 0.037) independent of depression. The indirect effects of AED polytherapy via depression did not reach statistical significance (B = 2.371, p = 0.066).
CONCLUSIONS: Alexithymia was more severe, but not more prevalent, in PWE than in healthy controls. AED polytherapy was directly associated with alexithymia, while uncontrolled seizures were indirectly related to alexithymia through depressive symptoms.