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Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
Published on: December 14, 2020
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The Validity and Reliability of the Reflux Finding Score.
Dylan Vance1, Ghiath Alnouri2, Priyanka Shah1
1Drexel University College of Medicine, Philadelphia, Pennsylvania.
Journal of Voice : Official Journal of the Voice Foundation
|December 23, 2020
Summary
The Reflux Finding Score (RFS) shows fair interrater reliability and modest intrarater reliability in diagnosing laryngopharyngeal reflux (LPR) disease. Its validity is questionable as it does not correlate with pH-Impedance testing, suggesting cautious clinical use.
Area of Science:
- Otolaryngology
- Gastroenterology
- Medical Diagnostics
Background:
- Laryngopharyngeal reflux (LPR) is a common condition with increasing diagnoses.
- The Reflux Finding Score (RFS) and Reflux Symptom Index (RSI) are used to assess LPR.
- Concerns exist regarding the reliability and validity of the RFS.
Purpose of the Study:
- To evaluate the validity and reliability of the Reflux Finding Score (RFS).
- To assess the correlation between RFS, RSI, and 24-hour pH-Impedance testing in LPR patients.
Main Methods:
- Ninety-two LPR patients underwent stroboscopy and 24-hour pH-Impedance monitoring.
- Four blinded observers assessed RFS using stroboscopic images.
- Interrater and intrarater reliability of RFS were evaluated; RFS and RSI were correlated with pH-Impedance data.
Main Results:
- Interrater reliability for RFS was fair (Kappa=0.479, agreement=74.04%).
- Intrarater reliability for RFS was modest (67.5% agreement).
- No correlation was found between RFS and 24-hour pH-Impedance parameters; RSI showed weak correlations with some impedance measures.
Conclusions:
- The RFS demonstrates fair interrater and modest intrarater reliability.
- The lack of correlation with objective pH-Impedance testing raises concerns about RFS validity.
- The RFS should be used cautiously in clinical practice, warranting further research and refinement.
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