A cross-sectional study of fasting practices among paediatric elective surgery patients at Chris Hani Baragwanath Academic Hospital.
DOI:
https://doi.org/10.51168/sjhrafrica.v6i12.2137Keywords:
Paediatric surgery fasting times outcomes, paediatric fasting, anaesthesia, paediatric fasting guidelines, South AfricaAbstract
Background:
All patients are required to fast preoperatively to avoid the risk of pulmonary complications and, in some cases, mortality. Several guidelines have been published worldwide to guide the fasting practices of paediatric patients. Although guidelines are in place, it is essential to study actual fasting practices to determine if they align with current recommendations.
Methods:
This was a cross-sectional study of fasting practices among elective pediatric patients over ten weeks at Chris Hani Baragwanath Academic Hospital (CHBAH), South Africa. Data collected included paediatric elective surgical patients from various surgical specialities, prescribed fasting times for solids and clear fluids, actual fasting times for solids and clear fluids, fasting glucose levels, and timings of anaesthesia commencement and conclusion. The data were analysed using descriptive statistics.
Results:
The dataset included 100 paediatric patients scheduled for elective surgery at CHBAH. Patient ages ranged from infancy to 17 years. Median prescribed fasting times were 9.6 hours for solids and 9.0 clear fluids. However, median actual fasting times were 14.8 hours for solids and 13.7 hours for clear fluids, exceeding recommendations (p<0.001). Only 2.0% of patients complied with the guidelines for clear fluids; there was zero compliance for solids. Guidelines approximated breast milk and formula fasting times but showed wide variability. Eighteen per cent of patients were hypoglycaemic preoperatively.
Conclusion:
This study revealed widespread over-fasting among paediatric surgical patients at CHBAH, with actual fasting durations far exceeding prescribed times and international guidelines, particularly for clear fluids and solids. These findings indicate a systemic disconnect between prescription and practice, suggesting a need for institutional changes to align perioperative care with best practice standards.
Recommendations:
We recommend implementation of updated institutional fasting guidelines that align with international best practice (6:4:1 rule) and allow clear fluids one hour before induction of anaesthesia.
References
Joshi GP, Abdelmalak BB, Weigel WA, Harbell MW, Kuo CI, Soriano SG, et al. 2023 American Society of Anesthesiologists Practice Guidelines for Preoperative Fasting: Carbohydrate-containing clear liquids with or without protein, chewing gum, and pediatric fasting duration – a modular update of the 2017 American Society of Anesthesiologists Practice Guidelines for Preoperative Fasting. Anesthesiology. 2023;138(2):132-51. https://
doi.org/10.1097/ALN.0000000000004381
Robinson M, Davidson A. Aspiration under anaesthesia: Risk assessment and decision-making. BJA Educ. 2014;14(4):171-5. https://doi.org/10.1093/bjaceaccp/mkt053
Zhang G, Huang X, Shui Y, Luo C, Zhang L. Ultrasound to guide the individual medical decision by evaluating the gastric contents and risk of aspiration: A literature review. Asian J Surg. 2020;43(12):1142-8. https://doi.org/10.1016/j.asjsur.2020.02.008
Meakin G, Dingwall A, Addison G. Effects of fasting and oral premedication on the pH and volume of gastric aspirate in children. Br. J. Anaesth. 1987;59(6):678-82. https://doi.org/10.1093/bja/59.6.678
Walker RW. Pulmonary aspiration in pediatric anesthetic practice in the UK: A prospective survey of specialist pediatric centers over a one‐year period. Pediatr. Anesth. 2013;23(8):702-11. https://doi.org/10.1111/pan.12207
Frykholm P, Hansen TG, Engelhardt T. Preoperative fasting in children. The evolution of recommendations and guidelines, and the underlying evidence. Best Pract. Res. Clin. Anaesthesiol. 2024;38(4):103-10. https://doi.org/10.1016/j.bpa.2024.03.003
Kouvarellis AJ, Van der Spuy K, Biccard BM, Wilson G. A prospective study of paediatric preoperative fasting times at Red Cross War Memorial Children's Hospital, Cape Town, South Africa. SAMJ. 2020;110(10):1026-31. https://doi.org/10.7196/SAMJ.2020.v110i10.
Mendelson CL. The aspiration of stomach contents into the lungs during obstetric anesthesia. Am. J. Obstet. Gynecol. 1946;1(6):837-9. https://doi.org/10.1016/S0002-9378(16)39829-5
Maltby JR. Fasting from midnight – the history behind the dogma. Best Pract. Res. Clin. Anaesthesiol. 2006;20(3):363-78. https://doi.org/10.1016/J.BPA.2006.02.001
Frykholm P, Disma N, Andersson H, Beck C, Bouvet L, Cercueil E, et al. Pre-operative fasting in children: A guideline from the European Society of Anaesthesiology and Intensive Care. Eu. J. Anaesthesiology. 2022;39(1):4-25. https://doi.org/10.1097/EJA.
Gamble J, Rosen D. 2023 Canadian Pediatric Anesthesia Society statement on fasting for elective pediatric anesthesia. Can J Anesth. 2023;70(8):1295-9. https://doi.org/10.1007/
s12630-023-02509-z
Marais R. SASA paediatric guidelines for the safe use of procedural sedation and analgesia for diagnostic and therapeutic procedures in children: 2021–2026. SAJAA. 2021;27(4):1-96. https://doi.org/10.36303/SAJAA.2021.27.4.S2.2635
Thomas M, Morrison C, Newton R, Schindler E. Consensus statement on clear fluids fasting for elective pediatric general anesthesia. Pediatr. Anesth. 2018;28(5):411-4. https://doi.org/10.1111/pan.13370
Valencia A, Trujillo A, Arango F. Preoperative ultrasound evaluation of gastric contents in children one hour after ingestion of clear liquid: An observational study. SJA. 2023;17(3):368-72. https://doi.org/10.4103/sja.sja_31_23
Beck CE, Chandrakumar T, Sümpelmann R, Nickel K, Keil O, Heiderich S, et al. Ultrasound assessment of gastric emptying time after intake of clear fluids in children scheduled for general anesthesia – a prospective observational study. Pediatr. Anesth. 2020;30(12):1384-9. https://doi.org/10.1111/pan.14029
Gawecka A, Mierzewska-Schmidt M. Tolerance of, and metabolic effects of, preoperative oral carbohydrate administration in children – a preliminary report. AIT. 2014;46(2):61-4. https://doi.org/10.5603/AIT.2014.0013
Engelhardt T, Wilson G, Horne L, Weiss M, Schmitz A. Are you hungry? Are you thirsty? – fasting times in elective outpatient pediatric patients. Pediatr. Anesth. 2011;21(9):964-8. https://doi.org/10.1111/j.1460-9592.2011.03573.x
Assen HE, Hassen AM, Abate A, Liyew B. Preoperative fasting time and its association with hypoglycemia during anesthesia in pediatric patients undergoing elective procedures at Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia. BioMed Res. Int. 2021;2021. https://doi.org/10.1155/2021/9166603
Das SV, Padmanabha S. Incidence of hypoglycemic response based on preoperative fasting duration in children. IOSR-JDMS. 2015;14(9):60-2. https://doi.org/10.9790/0853.1492606
Sigurdsson TS, Snaebjornsdottir S, Sigurdsson MI. Incidence of hypoglycaemia in fasting children after induction of anaesthesia for elective procedures: A descriptive observational study. Eu. J. Anaesthesiol. 2023;40(12):950-2. https://doi.org/10.1097/EJA.0000000
Riegger LQ, Leis AM, Golmirzaie KH, Malviya S. Risk factors for intraoperative hypoglycemia in children: A multicenter retrospective cohort study. Anesth. Analg. 2021;132(4):1075-83. https://doi.org/10.1213/ANE.0000000000004979
Li Y, He R, Ying X, Hahn RG. Dehydration, hemodynamics and fluid volume optimization after induction of general anesthesia. Clinics. 2014;69(12):809-16. https://doi.org/10.6061/
clinics/2014(12)04
Dennhardt N, Beck C, Huber D, Sander B, Boehne M, Boethig D, et al. Optimized preoperative fasting times decrease ketone body concentration and stabilize mean arterial blood pressure during induction of anesthesia in children younger than 36 months: A prospective observational cohort study. Pediatr. Anesth. 2016;26(8):838-43. https://doi.org/10.1111/pan.12943
Hausel J, Nygren J, Lagerkranser M, Hellström PM, Hammarqvist F, Almström C, et al. A carbohydrate-rich drink reduces preoperative discomfort in elective surgery patients. Anesth. Analg. 2001;93(5):1344-50. https://doi.org/10.1097/00000539-200111000-00063
Morrison CE, Ritchie-McLean S, Jha A, Mythen M. Two hours too long: Time to review fasting guidelines for clear fluids. Br. J. Anaesth. 2020;124(4):363-6. https://doi.org/10.
/j.bja.2019.11.036
Tudor-Drobjewski B, Marhofer P, Kimberger O, Huber W, Roth G, Triffterer L. Randomised controlled trial comparing preoperative carbohydrate loading with standard fasting in paediatric anaesthesia. Br. J. Anaesth. 2018;121(3):656-61. https://doi.org/10.
/j.bja.2018.04.040
Bopp C, Hofer S, Klein A, Weigand M, Martin E, Gust R. A liberal preoperative fasting regimen improves patient comfort and satisfaction with anesthesia care in day-stay minor surgery. Minerva Anestesiol. 2011;77(7):680. PMID: 19190563
Song I-K, Kim H-J, Lee J-H, Kim E-H, Kim J-T, Kim H-S. Ultrasound assessment of gastric volume in children after drinking carbohydrate-containing fluids. BJA. 2016;116(4):513-7. https://doi.org/10.1093/bja/aew031
Yimer AH, Haddis L, Abrar M, Seid AM. Adherence to pre-operative fasting guidelines and associated factors among pediatric surgical patients in selected public referral hospitals, Addis Ababa, Ethiopia: Cross sectional study. Ann Med Surg (Lond). 2022;78:103813. https://doi.org//10.1016/j.amsu.2022.103813
Lamacraft G, Labuschagne C, Pretorius S, Prinsloo M, Smit M, Steyn J. Preoperative fasting times: Prescribed and actual fasting times at Universitas Hospital Annex, Bloemfontein, South Africa. SAMJ. 2017;107(10):910-14. https://doi.org/10.7196/SAMJ.
v107i10.10930
Laird A, Bramley L, Barnes R, Englin A, Winderlich J, Mount E, et al. Effects of a preoperative carbohydrate load on postoperative recovery in children: A randomised, double-blind, placebo-controlled trial. J. Pediatr. Surg. 2023;58(9):1824-31. https://doi.
org/10.1016/j.jpedsurg.2023.05.004
Herbst J-AME. Preoperative fasting practices in adult elective surgery patients at Charlotte Maxeke Johannesburg Academic Hospital [dissertation]. Johannesburg: University of the Witwatersrand; 2016. Available at: http://hdl.handle.net/10539/23401
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2025 Lesedi Moatlanegi, Raphael Maja, Elizabeth Semenya

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
















