Abstract

This study aimed at assessing mental health in patients with hemifacial spasm (HFS) and determined the effect of botulinum toxin type A (BTX-A) on psychological distress in patients with HFS. Ninety-five HFS patients and 95 age- and sex-matched healthy controls were enrolled. Symptom checklist-90 (SCL-90) scores were used to measure psychological distress in HFS patients and healthy controls. The mental health status of HFS patients was also evaluated by SCL-90, before and after the injection of BTX-A. Moreover, for those patients with abnormal mental health, efficacy outcomes after treatment with BTX-A were compared with a propensity score-matched historical cohort without BTX-A treatment. The mean scores for interpersonal sensitivity, phobia, anxiety, depression, and somatization were significantly higher among HFS patients than healthy people (P < 0.05).There was no significant difference between female patients and male patients in HFS group (P > 0.05). There were significant improvements in somatization, interpersonal sensitivity, depression, anxiety, and phobia scores before and after treatment (P < 0.05). At 2months, more patients experienced an improvement in psychological distress in the BTX-A group (61.29% versus 38.71%;P = 0.03). Patients with HFS are often accompanied by somatization, interpersonal sensitivity, depression, anxiety, and phobia. Our findings suggest that BTX-A can improve these symptoms. However, further well-designed prospective studies are warranted to validate our findings.

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