Charcot–Marie–Tooth disease Patient Registry in Japan

Le résumé fourni par la source

To clarify the natural courses, medical conditions, and problems in daily life and medical care of the patients with Charcot-Marie-Tooth disease (CMT) in Japan, we have developed a patient registration system (CMT Patient Registry (CMTPR)). We analyzed data of questionnaires from 303 patients (males: 162, females: 141, mean age: 45.9 years old) who registered for CMTPR. The age of onset was less than 15 years old in 45% and more than 60 years old in 5% of the patients. Genetic testing was performed in 65%, and about half of the patients with genetic testing had a duplication of the PMP22 gene. Seventy-six percent of the patients had regular visits to medical facilities. Five percent of patients had no history of hospital visits. Fifteen percent of all patients needed assistance with daily activities due to motor function impairment in the upper extremities, and 25% required assistance due to lower limb impairment. There were no significant differences in the need for assistance by gender or age. Of the 267 adult patients, 18% had difficulty working due to reasons related to the disease, although none of the junior patients reported any problem attending school. This was the first nationwide epidemiological study with healthcare and welfare information on patients with CMT in Japan. We hope the results of this study will lead to better welfare and medical care in CMT patients.

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