Ultrasound dynamics of gastric content volumes after the ingestion of coconut water or a meat sandwich. A randomized controlled crossover study in healthy volunteers

Carmona, Bruno Mendes; Almeida, Clauber Claudino Alves; Vieira, Waldonio de Brito; Fascio, Mário de Nazareth Chaves; Carvalho, Lídia Raquel de; Vane, Luiz Antonio; Barbosa, Fabiano Timbó; Nascimento, Paulo do; Módolo, Norma Sueli Pinheiro

doi:10.1016/j.bjane.2018.06.004

Cited by 2 publications

(2 citation statements)

References 40 publications

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“…Carmona et al carried out a prospective study involving 17 healthy volunteers who had ingested a standard 145 g, 355 kcal meat sandwich. They reported that the mean gastric emptying time was 4.5 ± 0.9 h [18]. Using real-time gastric sonography, Bolondi et al described that the gastric emptying time in general populations was 4.1 ± 0.7 h after the ingestion of a standard 800 kcal Italian meal containing pasta with tomato sauce, meat with vegetables, bread, and water [12].…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Gastric Emptying Time of a Rice-Based Meal Using Serial Sonography

Cho

Kim

Byeong

et al. 2019

BioMed Research International

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The aim of this prospective study was to evaluate the gastric emptying time of a rice-based meal by serial ultrasonography of the stomach. After baseline ultrasonographic assessment of ten fasted healthy volunteers, volunteers ingested standardized 420 g, 536 kcal rice-based meal (bibimbap), and serial evaluations were performed every hour until the stomach became empty. At baseline, all the participants had an empty stomach. The average time of complete gastric emptying of the rice-based meal was 5.8 ± 0.8 h (95% confidence interval (CI), 5.0 h to 6.5 h). Since the first postintake cross-sectional area (CSA) measurement, a decrease was observed, and CSA was maintained until postprandial 3–4 h (P > 0.05). It declined rapidly 4 h after meal intake (P=0.031), reaching the nadir at approximately 6 h after meal intake. The gastric CSA and hunger score showed a positive correlation (correlation r = 0.616, P < 0). The rice-based meal is emptied after 5.8 ± 0.8 h on average in healthy volunteers. Based on our results, 6.5 h (upper limit of CI) of fasting after the ingestion of a rice-based meal would be a safe preoperative fasting time, and this is in accordance with the current guidelines for preoperative fasting.

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Section: Discussionmentioning

confidence: 99%

Evaluation of Gastric Emptying Time of a Rice-Based Meal Using Serial Sonography

Cho

Kim

Byeong

et al. 2019

BioMed Research International

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“…The evaluation of the type of gastric content was described in 11 articles, analyzed by differentiating between solid, liquid, and empty stomach contents. 1,[7][8][9][10][11]16,[18][19][20][21] The imaging findings according to gastric content were as follows:…”

Section: Qualitative Evaluationmentioning

confidence: 99%

Ultrasonographic evaluation of gastric content and volume: a systematic review

Kamada

NETO

et al. 2020

Rev. Assoc. Med. Bras.

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SUMMARY OBJECTIVE: Bronchoaspiration of gastric content is associated with high morbidity and mortality, but evaluating this complication is a difficult task. However, gastric ultrasonography can safely assess gastric content and prevent bronchoaspiration. Therefore, a systematic review was performed in order to verify the efficacy of ultrasonography in the qualitative and quantitative analyses of gastric content. METHODS: A literature review of articles published between 2009 and 2019 in the PubMed and LILACS databases was conducted using combinations of the keywords “gastric ultrasound,” “gastric emptying,” and “gastric content.” RESULTS: Of the 20 articles found, 19 chose the antral region as the best site for qualitative analysis of the gastric content. Regarding quantitative measurement, the most commonly used method to calculate the gastric volume in eight articles was the formula “Gastric Volume = 27 + (14.6 × ATAG) − (1.28 × Age),” in which the area of the transverse section of the gastric antrum (ATAG) could also be calculated by the largest antral diameters or by free tracing. CONCLUSION: An efficient evaluation of the gastric content can be performed by ultrasonography of the antral region, contributing to greater safety in the clinical management of patients with increased risk for bronchoaspiration during airway management.

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Ultrasound dynamics of gastric content volumes after the ingestion of coconut water or a meat sandwich. A randomized controlled crossover study in healthy volunteers

Cited by 2 publications

References 40 publications

Evaluation of Gastric Emptying Time of a Rice-Based Meal Using Serial Sonography

Evaluation of Gastric Emptying Time of a Rice-Based Meal Using Serial Sonography

Ultrasonographic evaluation of gastric content and volume: a systematic review

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