Survey of feeding issues experienced by patients with spinal muscular atrophy type 2 in Japan.
Yuu Uchio, Tetsuo Ikai
PMID 40511310WHAT IT FOUND
Japanese patients with SMA type 2 reported choking episodes most often at age 20 or older.
In that group, 90.0% had choking episodes, compared with 53.8% and 56.3% in younger groups. Meal times were also longest.
Key findings
01Choking episodes were significantly different between age groups, with 18 of 20 patients aged 20 years or older reporting them.
02Meal time was significantly different between age groups, with the 20 years or older group reporting an average of 48.2 minutes.
03No respondents reported difficulty opening the mouth or difficulty chewing, and 33 of 62 reported sitting with a positioning device during meals.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for SLPs
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What it does not show
The questionnaire was self-administered and anonymous, and consent was implied by return. The results were not based on accurate genetic diagnosis or swallowing tests. Only 62 valid questionnaires were analysed, and the authors state that post hoc tests and multivariate analysis could not be conducted. The survey was distributed through the Japan SMA Family Association, so it may not represent patients who are not members. The paper does not report how missing data were handled beyond excluding two surveys. The age groups had different clinical characteristics, including body weight, spinal surgery, tracheostomy, and sitting.
Declared interests
The study received funding from a research grant provided by the Tokyo Metropolitan Physical Therapy Association. The authors declare no conflicts of interest.
The easy way to misread this
Do not read the age pattern as proof that swallowing function worsens with aging or that treatment prevents choking. The study used self-reported questionnaires without swallowing tests, and the authors state the results were not based on accurate genetic diagnosis or swallowing tests.