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Year : 2010  |  Volume : 12  |  Issue : 2  |  Page : 62-67

Laryngopharyngeal Reflux Disease (LPRD) and pH-metry King Saud University Experience

1 Communication and Swallowing Disorders Unit, ENT Department, King Abdulaziz University Hospital, Riyadh, Saudi Arabia
2 Medical Student, College of Medicine, King Abdulaziz University, Riyadh, Saudi Arabia
3 ENT Department, King Abdulaziz University Hospital, Riyadh, Saudi Arabia
4 GIT Department King Khalid University Hospital, King Saud university, Riyadh, Saudi Arabia

Correspondence Address:
MD, PhD Khalid H Malki
P.O Box 245 Riyadh, 11411 ORL Department, Communication and Swallowing Disorders Unit (CSDU) King Abdulaziz University Hospital, Riyadh
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1319-8491.274634

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Background/Hypothesis: Laryngopharyngeal reflux disease (LPRD) patients can present with a variety of symptoms such as throat clearing, persistent cough, globus throat sensation, and dysphonia. Although 24-hour double-probe pH-monitoring is assumed to be the most sensitive test for diagnosing LPRD, a lot of controversy does exist regarding the placement of the upper probe as well as the interpretation of its results. The aim of this study was to present the experience of King Saud University (KSU) Hospitals, Saudi Arabia in the application of pH-metry in patients suspected to have LPRD. Materials and Methods: A retrospective chart review was done for the medical records of those patients who had a pH-metry study at KSU hospitals from 2005 to 2008. The main data that has been collected were demographics, causes of referral, main presenting symptoms, and pH study results. A correlation was done between pH-metry results and patients’ symptoms. Results: Sixty seven patients were included in the study. Twenty eight patients had double-probe studies, while the remaining 39 patients had single probe (distal) pH-metry. Forty patients out of the 67 showed positive results whether in the distal or the proximal pH sensors. The main cause of referral was patients refractory to anti-LPRD medications. The most frequently presenting symptom was heartburn, while globus throat sensation was the only symptom that correlated significantly with positive double-probe pH-metry results. Conclusion: pH-metry is not a commonly used primary tool for assessing LPRD-suspected patients in KSU hospitals. Most of the patients were given medical treatment once they were suspected to have LPRD. The pH-metry studies were only recommended for those patients who did not respond to medical treatment. Globus throat sensation appears to be the most extra-esophageal symptom that could be relevant to LPRD in the study group.

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