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Original Investigation
September 7, 2017

A Comparison of Alkaline Water and Mediterranean Diet vs Proton Pump Inhibition for Treatment of Laryngopharyngeal Reflux

Author Affiliations
  • 1Department of Otolaryngology, New York Medical College, Valhalla
  • 2Department of Otolaryngology, New York Eye and Ear Infirmary of Mount Sinai, New York, New York
  • 3Department of Epidemiology and Community Health, New York Medical College, Valhalla
  • 4Department of Microbiology and Immunology, New York Medical College, Valhalla
JAMA Otolaryngol Head Neck Surg. Published online September 7, 2017. doi:10.1001/jamaoto.2017.1454
Key Points

Question  Can the symptoms of laryngopharyngeal reflux (LPR) improve without the use of medication?

Findings  In this cohort study that included 184 patients, there was no significant difference in reflux symptom index reduction between patients treated with alkaline water, a plant-based, Mediterranean-style diet, and standard reflux precautions vs those treated with proton pump inhibitors (PPI) and standard reflux precautions.

Meaning  The symptoms of LPR can improve with alkaline water and a plant-based diet with results not significantly different from the use of a standard PPI regimen.

Abstract

Importance  Laryngopharyngeal reflux (LPR) is a common disorder with protean manifestations in the head and neck. In this retrospective study, we report the efficacy of a wholly dietary approach using alkaline water, a plant-based, Mediterranean-style diet, and standard reflux precautions compared with that of the traditional treatment approach of proton pump inhibition (PPI) and standard reflux precautions.

Objective  To determine whether treatment with a diet-based approach with standard reflux precautions alone can improve symptoms of LPR compared with treatment with PPI and standard reflux precautions.

Design, Setting, and Participants  This was a retrospective medical chart review of 2 treatment cohorts. From 2010 to 2012, 85 patients with LPR that were treated with PPI and standard reflux precautions (PS) were identified. From 2013 to 2015, 99 patients treated with alkaline water (pH >8.0), 90% plant-based, Mediterranean-style diet, and standard reflux precautions (AMS) were identified. The outcome was based on change in Reflux Symptom Index (RSI).

Main Outcomes and Measures  Recorded change in the RSI after 6 weeks of treatment.

Results  Of the 184 patients identified in the PS and AMS cohorts, the median age of participants in each cohort was 60 years (95% CI, 18-82) and 57 years (95% CI, 18-93), respectively (47 [56.3%] and 61 [61.7%] were women, respectively). The percentage of patients achieving a clinically meaningful (≥6 points) reduction in RSI was 54.1% in PS-treated patients and 62.6% in AMS-treated patients (difference between the groups, 8.05; 95% CI, −5.74 to 22.76). The mean reduction in RSI was 27.2% for the PS group and 39.8% in the AMS group (difference, 12.10; 95% CI, 1.53 to 22.68).

Conclusions and Relevance  Our data suggest that the effect of PPI on the RSI based on proportion reaching a 6-point reduction in RSI is not significantly better than that of alkaline water, a plant-based, Mediterranean-style diet, and standard reflux precautions, although the difference in the 2 treatments could be clinically meaningful in favor of the dietary approach. The percent reduction in RSI was significantly greater with the dietary approach. Because the relationship between percent change and response to treatment has not been studied, the clinical significance of this difference requires further study. Nevertheless, this study suggests that a plant-based diet and alkaline water should be considered in the treatment of LPR. This approach may effectively improve symptoms and could avoid the costs and adverse effects of pharmacological intervention as well as afford the additional health benefits associated with a healthy, plant-based diet.

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