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Clear Liquid Fasting Guidelines for Pediatric Patients: A Survey of the Society for Pediatric Anesthesia

Todd A. Glenski

Corresponding Author

Todd A. Glenski

Department of Anesthesiology, Department of Evidence Based Practice, Children's Mercy Kansas City, University of Missouri, Kansas City, Missouri, USA

Correspondence:

Todd A. Glenski ([email protected])

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Michelle Wu

Michelle Wu

University of Missouri—Kansas City School of Medicine, Kansas City, Missouri, USA

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Christian Taylor

Christian Taylor

Department of Anesthesiology, Children's Mercy Kansas City, University of Missouri, Kansas City, Missouri, USA

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Emily Weisberg

Emily Weisberg

Department of Anesthesiology, Children's Mercy Kansas City, University of Missouri, Kansas City, Missouri, USA

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Nichole Doyle

Nichole Doyle

Department of Anesthesiology, Children's Mercy Kansas City, University of Missouri, Kansas City, Missouri, USA

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First published: 06 June 2025

Funding: The authors received no specific funding for this work.

ABSTRACT

Introduction

Recently, several international anesthesia societies have updated their guidelines by shortening the NPO clear liquid time from 2 to 1 h in children. When the American Society of Anesthesiologists (ASA) released their interim update to the preoperative fasting guidelines, they maintained the 2-h clear liquid fasting recommendation, while advising the use of clinical judgment for cases involving PO intake within 2 h. Given international support for decreased NPO times, we aimed to evaluate the current practice and opinions of the Society for Pediatric Anesthesia (SPA) members regarding clear liquid NPO times.

Methods

A 17-question survey was developed by members of Children's Mercy Kansas City Department of Anesthesiology and submitted to the SPA Research Committee for review. After approval, a survey link and QR code were distributed to all SPA members.

Results

A total of 430 surveys (9.85%) were completed. Seventy-three percent indicated that their department follows a 2-h NPO policy for clear liquids, while 24% reported a 1-h policy. Overall, 71% of respondents felt that 1-h is the ideal NPO time for clear liquids. Of the respondents whose department follows a 2-h policy, 86% believe their NPO policy would be shortened if ASA guidelines were updated to 1-h. Forty-nine percent of respondents reported that NPO instructions to patients are congruent with departmental policies, while 33% reported that NPO instructions differ from departmental NPO policies.

Discussion

The results demonstrate that although only a small number of respondents practice a 1-h policy, most respondents believe that a 1-h policy is ideal. This discrepancy is potentially due to adherence to ASA practice guidelines/recommendations, as 86% of respondents who have an NPO policy of 2 or more hours indicated that their departments would switch to 1-h if the ASA were to revise their guideline.

Conflicts of Interest

The authors declare no conflicts of interest.

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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