The effects of preoperative sugarless gum chewing on gastric fluid volume and pH
There is a lack of consensus regarding the preoperative fasting period on gum chewing due to conflicting evidence. Our study aimed to determine the effects of preoperative sugarless gum chewing on gastric fluid volume and pH. This prospective randomised study was performed on patients who unde...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Pusat Perubatan Universiti Kebangsaan Malaysia
2021
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| Online Access: | http://journalarticle.ukm.my/17435/1/4_ms0440_pdf_93602.pdf http://journalarticle.ukm.my/17435/ https://www.medicineandhealthukm.com/toc/16/1 |
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| Summary: | There is a lack of consensus regarding the preoperative fasting period on gum
chewing due to conflicting evidence. Our study aimed to determine the effects
of preoperative sugarless gum chewing on gastric fluid volume and pH. This
prospective randomised study was performed on patients who underwent elective
operation under general anaesthesia. Sixty patients who fasted overnight were
randomly assigned to either “non-chewing gum” as control or “chewing gum
group” as intervention group who chewed one piece of gum upon the call to
the operating theatre. They were further enquired whether gum chewing helped
cope with hunger and reduced anxiety. Gastric volume and pH were determined
immediately after induction of anaesthesia. Gum chewing had no significant effect
on gastric fluid volume measured [30.4+13.6 (control) vs 29.1+11.6 ml (intervention),
p = 0.693] and gastric fluid pH [1.4+0.4 (control) vs 1.6+0.4 (intervention), p =
0.05] while managing to reduce anxiety in 90.3% patients who chewed gum.
Pre-operative gum-chewing did not increase in gastric fluid volume or a further
reduction in gastric fluid acidity and was able to reduce anxiety in patients in the
preoperative period. |
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