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. 2021 Aug;36(8):2076-2082.
doi: 10.1111/jgh.15391. Epub 2021 Jan 22.

Prevalence and clinical significance of esophageal motility disorders in patients with laryngopharyngeal reflux symptoms

Daniel R Sikavi  1   2 , Jennifer X Cai  1   2 , Thomas L Carroll  2   3 , Walter W Chan  1   2
Affiliations

Prevalence and clinical significance of esophageal motility disorders in patients with laryngopharyngeal reflux symptoms

Daniel R Sikavi et al. J Gastroenterol Hepatol. 2021 Aug.

Abstract

Background and aim: Esophageal motor dysfunction may underlie impaired bolus/refluxate clearance in laryngopharyngeal reflux (LPR). However, the prevalence of esophageal dysmotility and its correlation with reflux parameters and symptoms in LPR is not well established. The aim of this study was to evaluate the prevalence of coexisting esophageal dysmotility among patients with suspected LPR.

Methods: This was a retrospective cohort study of 194 consecutive patients with LPR symptoms referred for high-resolution manometry (HRM) and combined hypopharyngeal-esophageal multichannel intraluminal impedance and pH testing at a tertiary center in March 2018 to August 2019. Validated symptom surveys were prospectively collected at time of testing, including Reflux Symptom Index, Gastroesophageal Reflux Disease Questionnaire, dominant symptom intensity, and 12-Item Short-Form Health Survey. HRM findings were categorized using Chicago Classification v3.0.

Results: Abnormal findings on HRM were identified in 84 (43.3%) patients, with ineffective esophageal motility (n = 60, 30.9%) as the most common diagnosis. A disorder of esophagogastric junction outflow or a major disorder of peristalsis was identified in 26 (13.4%) patients, including 2 (1%) with achalasia and 7 (3.6%) with jackhammer esophagus. Reflux burden (distal, proximal, or pharyngeal) on combined hypopharyngeal-esophageal multichannel intraluminal impedance and pH testing did not differ across HRM findings. Patients reporting esophageal symptoms were more likely to have a primary motility disorder (odds ratio 2.34, P = 0.04). However, no significant differences in Reflux Symptom Index, Gastroesophageal Reflux Disease Questionnaire, or 12-Item Short-Form Health Survey were noted across HRM diagnoses.

Conclusion: Esophageal motility disorders are prevalent among patients with LPR symptoms, including up to one in seven with esophagogastric junction outflow or major peristaltic disorder. Patients with abnormal motility more likely report esophageal symptoms. Clinicians should be aware of these coexisting conditions, particularly in those with refractory symptoms.

Keywords: Combined hypopharyngeal-esophageal multichannel intraluminal impedance and pH testing; Esophageal motility; Esophagogastric junction outflow obstruction; High-resolution manometry; Laryngopharyngeal reflux disease.

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References

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