A Reason to Rethink Fasting Guidelines? Marijuana-Induced Gastroparesis and the Implications for Aspiration Risk in the Nil Per Os (NPO) Patient: A Case Report

Abstract Objective: Unusual clinical course Background: Tetrahydrocannabinol has been implicated in gastroparesis development, a disorder characterized by delayed gastric emptying in the absence of mechanical obstruction. While most patients with gastroparesis present with upper gastrointestinal symptoms, patients with significantly delayed emptying can be asymptomatic, creating a dangerous aspiration risk. Case Report: A 24-year-old man with a body mass index of 22 presented for right lower extremity open reduction and internal fixation. He endorsed daily marijuana use. His last meal was