Abstract
Objective
Aspiration pneumonia is one of the leading causes of death in patients with muscular
dystrophy; therefore, it is important to predict its occurrence in the clincal setting.
We aimed to examine the usefulness of repeated saliva swallowing test (RSST), modified
water swallowing test (MWST), and flexible endoscopic evaluation of swallowing (FEES)
for evaluating the Hyodo score at the bedside, to predict the risk of aspiration pneumonia
in patients with Duchenne muscular dystrophy (DMD).
Methods
In this retrospective cohort study involving 43 patients, we evaluated the swallowing
function using the RSST, MWST, and FEES, and predicted the likelihood of aspiration
pneumonia within 2 years after the assessment. The Hyodo score, a scoring system for
evaluating the swallowing function determined by the FEES, was used.
Results
Pneumonia was observed in 14 patients (32.6%). The RSST was not significantly useful
for predicting the onset of pneumonia. The MWST was reported to have a cutoff value
of < 4 points. Significantly more patients in the pneumonia group had an MWST score
of < 4 points. The results revealed that the occurrence of pneumonia could be predicted
based on a Hyodo cutoff score of ≥ 6. Significantly more patients in the pneumonia
group had an MWST score of < 4 or a Hyodo score of ≥ 6.
Conclusions
Combining MWST and FEES is useful for evaluating the bedside swallowing function and
predicting the onset of pneumonia.
Keywords
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Article info
Publication history
Published online: August 13, 2022
Accepted:
July 22,
2022
Received:
May 6,
2022
Identification
Copyright
© 2022 Japanese Society of Otorhinolaryngology-Head and Neck Surgery, Inc. Published by Elsevier B.V. All rights reserved.
