• Sarah Schwisow, Christian Falyar, Susan Silva, and Virginia C Muckler.
• Duke University Nurse Anesthesia Program, Durham, USA.
• J Perioper Pract. 2021 Jul 12: 1750458921996925.

AbstractPatients with risk factors for gastroparesis are at increased risk for aspiration into the tracheobronchial tree. Current American Society of Anesthesiologists fasting guidelines use subjective measures to determine aspiration risk. A gastric ultrasound protocol can identify patients with risk factors for gastroparesis and determine the need to perform a point-of-care gastric ultrasound to objectively assess gastric antral contents. This enables the anaesthesia provider to assess patients at increased risk for aspiration. Additionally, many patients who present for surgery with risk factors for gastroparesis have an empty gastric antrum. Thus, the gastric ultrasound protocol checklist saves time and manpower requirements of anaesthesia staff without impacting patient safety or perioperative efficiency. A convenience sample of 40 patients consented for surgery was assessed using a screening tool to identify those at risk for gastroparesis and possible aspiration. Patients deemed at risk received a gastric ultrasound examination to evaluate for the presence of gastric contents. Over 12% of these patients had solid food gastric contents on exam. All patients with solid food gastric contents had an American Society of Anesthesiologists Physical Status Classification of 3 or higher, and two or more risk factors for gastroparesis.

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