Survey of feeding issues experienced by patients with spinal muscular atrophy type 2 in Japan

[Purpose] This study aimed to clarify the eating difficulties experienced by patients with spinal muscular atrophy type 2 in Japan. [Participants and Methods] This cross-sectional study was part of a larger survey of Japanese patients with spinal muscular atrophy that included the use of a questionnaire. The feeding questionnaire was developed by a medical professional and validated before survey administration. Of 221 patients who completed and returned the questionnaire, 62 had spinal muscular atrophy type 2. The average age of the study patients was 17.6 years (± 11.7 years). To identify feeding problems experienced by patients with spinal muscular atrophy type 2 by age, the participants were divided into the following three groups: 0-11 years, 12-19 years, and 20 years or older. [Results] The frequency of choking episodes during meals in Japanese patients with type 2 spinal muscular atrophy was 66.1% and increased with age. [Conclusion] Ongoing swallowing evaluation and feeding instructions are necessary for patients with spinal muscular atrophy type 2.