• Sydney R A Korsunsky, Leonel Camejo, Diep Nguyen, Rahul Mhaskar, Khattiya Chharath, Joy Gaziano, Joel Richter, and Vic Velanovich.
• USF Health Morsani College of Medicine, Tampa, FL, USA.
• Medicine (Baltimore). 2022 Oct 14; 101 (41): e31056.

AbstractThe purpose of this study was to assess the variation in resource utilization for the diagnosis and treatment of dysphonia or hoarseness in patients with suspected laryngopharyngeal reflux (LPRD) and/or gastroesophageal reflux (GERD). Secondary data was collected from a single-institution database of charts from patients evaluated between October 1, 2011 and March 31, 2020. This study was conducted as a retrospective chart review. Key outcome variables included demographic data, initial specialty visit, date of first symptom evaluation to final follow-up visit, additional procedural evaluation, and final diagnosis as attributed by the diagnosing physician. Inclusion criteria included patients ≥18 older referred to providers for suspected LPRD/GERD with a primary complaint of voice changes or hoarseness and appeared for follow-up. A total of 134 subjects were included for analysis. Data analysis included descriptive and univariate analysis, chi-square test of independence, independent means t test, and 1-way analysis of variance. Most patients (88) received some form of procedural evaluation in addition to clinical evaluation. The most frequent was videostroboscopy (59). Patients who first visited a gastroenterologist were more likely to undergo esophageal pH-monitoring (n = 14, P < .001) and manometry (n = 10, P < .001). Patients referred to speech-language pathology were very likely to undergo videostroboscopic evaluation (n = 7, P < .001). The prevailing final diagnosis as attributed by the diagnosing physician was confirmed to be of non-reflux etiology (49) or due to GERD alone (34). LPRD only was the least frequent diagnosis (10). Our results demonstrate that there is significant variation in the number and type of diagnostic tests based on the type of practitioner initially seen by the patient. Additionally, of patients thought to have voice change or hoarseness because of LPRD and/or GERD, more than a third had a non-reflux cause of their symptoms. Further research should identify beneficial patterns in resource utilization and further diagnostic utility of diagnostic procedures for more accurate diagnosis.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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