Swallowing Assessment in Parkinson's Disease: Patient and Investigator Reported Outcome Measures are not Aligned.
M R A van Hooren, R Vos, M G M H Florie and 3 others
PMID 33130951WHAT IT FOUND
Patient-reported swallowing quality of life and instrumental findings from FEES or VFS showed only moderate agreement in Parkinson's disease.
Clinicians should not assume instrumental severity matches patient distress, as some patients with poor objective function reported high quality of life.
Key findings
01Patient-reported outcome measures and investigator-reported outcome measures showed only moderate agreement, suggesting inconsistency between clinical signs and patient experience.
02Cluster analysis identified groups of patients with similar instrumental findings but significantly different patient-reported quality of life scores, indicating that objective severity does not predict subjective burden.
03For the aspiration label, patients without instrumental signs of penetration or aspiration reported significantly lower quality of life than those with instrumental signs, highlighting a disconnect between clinical findings and patient perception.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
Read the rest of this summary
You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.
What it does not show
The sample size was relatively small for complex neural network analyses, which may affect the reliability of the pattern recognition. The study did not identify specific confounders (such as cognitive status or mood) that explained why patients with similar instrumental findings had different self-reported outcomes. Data on precise duration of Parkinson's disease was often unclear due to reliance on referring physician records. The study was cross-sectional, so it cannot determine if changes in instrumental findings lead to changes in patient-reported outcomes over time.
Declared interests
The study was funded by Maastricht University Medical Center (UMC+). No other conflicts of interest were reported.
The easy way to misread this
Do not assume that a patient with severe instrumental dysphagia findings is necessarily experiencing a poor quality of life, or that a patient with mild findings is coping well. The study shows these two dimensions often do not align, and relying on one to infer the other may lead to incomplete care planning.