eISSN: 1897-4317
ISSN: 1895-5770
Gastroenterology Review/Przegląd Gastroenterologiczny
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4/2019
vol. 14
 
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abstract:
Original paper

The application of 24-hour pharyngeal pH-monitoring and Reflux Finding Score and Reflux Symptom Index questionnaires in the diagnostics of laryngopharyngeal reflux

Elżbieta Włodarczyk
1
,
Beata Miaśkiewicz
1
,
Danuta Raj-Koziak
1
,
Agata Szkiełkowska
1
,
Piotr H. Skarżyński
1
,
Henryk Skarżyński
1

  1. Institute of Physiology and Pathology of Hearing, Kajetany, Poland
Gastroenterology Rev 2019; 14 (4): 274–282
DOI: https://doi.org/10.5114/pg.2019.90253
Online publish date: 2019/12/20
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Introduction
Twenty-four-hour oesophageal pH-monitoring is a gold standard in the diagnostics of gastroesophageal reflux (GERD); however, this examination does not always perform well in patients in whom laryngeal symptoms of reflux are observed.

Aim
To test the effectiveness of Reflux Symptom Index (RSI) and Reflux Finding Score (RFS) in confirming the occurrence of laryngopharyngeal reflux (LPR).

Material and methods
Eighty-two patients with symptoms suggesting the occurrence of LPR were studied. The mean age of the participants amounted to 48.79 ±12.02. The patients were asked to fill in the RSI. The pharynx was assessed using videolaryngostroboscopy and then the RSF was filled in. Next, 24-hour pharyngeal pH-monitoring was performed with the use of a Dx pH – Restech System device. All the statistical analyses were conducted with the use of the R computational environment.

Results
The authors attempted to determine the reference values of the RSI and RFS questionnaires for the Polish population. For a very general approximation, normality of the distributions of the results in the RSI and RFS questionnaire can be done and an approximation mean + 2 SD can be used as a reference value. Then, for RSI the recommended cut-off limit of LPR would fluctuate, depending on the study, between 8 and 17, whereas for RFS it would be between 8 and 14.

Conclusions
When used alone, RSI/RFS questionnaires do not allow an unambiguous diagnosis of LPR assessed by 24-hour pharyngeal pH-monitoring.

keywords:

laryngopharyngeal reflux, 24-hour pharyngeal pH-monitoring, Reflux Symptom Index, Reflux Finding Score
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