Abstract

Gastroparesis (GP) is a disorder characterized by symptoms of nausea, vomiting, early satiety, abdominal pain, and/or bloating in the setting of delayed gastric emptying and the absence of a mechanical obstruction. Though the epidemiology and many pathophysiologic mechanisms have been well-established, GP remains an incompletely understood gastrointestinal disorder, and recent data has challenged existing concepts regarding the etiology, diagnosis, and treatment of GP. Thus, our understanding of GP is evolving and with this comes the promise of novel diagnostic methods and treatments, both of which are sorely needed for this historically vexing disorder, which presents unique challenges to patients and providers alike. In this section, we will review existing principles pertaining to the pathophysiology and evaluation of GP, and contrast this with recent data, some of which challenges the historical perspective. In so doing, we aim to provide the reader with an updated and sophisticated view on the approach to GP moving forward.

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