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2025, Number 2

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Acta Med 2025; 23 (2)

Comparison of volume of gastric content obtained by ultrasonography and endoscopy

Hernández MR, Contreras RME, García HLA, Bracho BE, Flores MRR, Hernández MA, Portela OJM

Language: Spanish
References: 26
Page: 103-108
PDF size: 258.17 Kb.


ABSTRACT

Introduction: aspiration of gastric contents is a serious complication of anesthesia. Identifying patients at risk is a pillar of safe anesthetic practice using new tools to comply with the above, such as the assessment of gastric contents by ultrasound. Material and methods: prospective study in which the volume of gastric contents was evaluated by two independent ultrasonographers and the volume aspirated by gastroscopy was subsequently measured in patients with elective endoscopy. A weighted κ index was performed to assess interobserver variability; subsequently, the average volume obtained from both ultrasonographers was correlated with the volume aspirated by endoscopy. Results: gastric content was evaluated by ultrasound in 58 patients scheduled for endoscopy, finding a weighted κ index of 0.7377 between both ultrasonographers. A correlation of 0.977 was found between the average of both ultrasonographers and the volume aspirated by endoscopy. Conclusions: the measurement of gastric content by ultrasound has a good correlation with what is aspirated in endoscopy, confirming ultrasound as another tool within the pre-anesthetic assessment.


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