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Proton Pump Inhibitor Controversies

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Abstract

This chapter is an overview of the proton pump inhibitors. Mechanism of action, dosing, and success evaluation is followed by a detailed look at the potential risks of this medication. Recent studies have suggested potential links with the use of this medication and other chronic diseases. This chapter reviews these studies and the statistical methods used to draw conclusions.

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Important Disclaimer

GERD and LPR presentation and management have many distinctions. Most of the studies included in this chapter were for patients with GERD. Arguably, this makes generalizability more difficult (different study populations, overlapping symptomatology, and differential diagnosis). It is established that the most fundamental (albeit oversimplified) threshold for adequate LPR control is ≤1 pharyngeal reflux event daily, and for GERD <48 esophageal events daily (not to mention acid exposure times, weakly acid and nonacid reflux, mucosal changes, and patients’ symptoms). This observation opens the door for even more needed research, not only to clarify association vs causation for the risks discussed but also to understand better the impact of PPI use on patients with LPR.

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Jaworek, A.J. (2020). Proton Pump Inhibitor Controversies. In: Zalvan, C.H. (eds) Laryngopharyngeal and Gastroesophageal Reflux. Springer, Cham. https://doi.org/10.1007/978-3-030-48890-1_31

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