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Postoperative nausea and vomiting in children is a common phenomenon, particularly after ear nose and throat (ENT) surgery. While it affects up to 80% of patients who do not receive preventative medication during their operation, more than 1 in 5 children still suffer from postoperative nausea and vomiting after tonsillectomy even when given 2 medications to prevent it. Nausea and vomiting after an operation (postoperatively) particularly following tonsillectomy can be very painful and distressing for the child and their carer. Vomiting may also increase the risk of postoperative bleeding, a serious complication after the surgery. Postoperative nausea and vomiting is not only one of the main reasons for prolonged hospital stay or re-admission in children; it is also one of the main reasons for dissatisfaction with anaesthesia in children and their families. In adults, a pilot study has found that chewing gum postoperatively can significantly reduce postoperative nausea and vomiting. Chewing and swallowing, results in increased activity in the gut and lessens the effects of medications given under anaesthesia that tend to slow the gut.
However, for young children particularly following anaesthesia, chewing gum may not be a safe option. Therefore, in this pilot study the investigators will investigate if chewing a large jelly confectionary snake after the anaesthetic will help to reduce nausea and vomiting. The children who are enrolled in the study will be randomised to receive a jelly snake or no jelly snake to chew once awake after the surgery. There will be no other changes to the standard management which will be in accordance to institutional guidelines. The investigators will then compare the rates of vomiting between the children who did and did not receive a jelly snake to chew. We will also monitor other oral and food intake and requirements for painkillers, as well as for other potential problems (e.g. delayed discharge) after surgery.
The advantage of using a jelly snake is that it is a simple, inexpensive, non-drug treatment. Parents are very keen to avoid the use of drugs for their children and so would be open to the use of this new approach. For children the jelly snake offers something familiar and an enjoyable solution to their discomfort. The use of jelly snakes could also be a simple intervention that parents could do at home following day case surgery for other procedures. While the jelly snakes are high in sugar, they are comparable to the sugar content of a glass of fruit juice, flavoured milk or soft drinks. Generally, in the investigators' experience, the willingness of parents to allow their children to receive treats in the postoperative period is very high, particularly since all children have a significant time of fasting (at least 6 hours, often longer) for solid foods prior to surgery.
Full description
Primary Hypothesis Chewing large jelly snakes will significantly reduce the development of postoperative vomiting in paediatric patients in the first 6 hours after volatile anaesthetic-based general anaesthesia for tonsillectomies +/- adenoidectomies.
Secondary Hypotheses:
Safety Hypotheses:
Children will be able to chew and swallow jelly snakes post-surgery. No jelly snake or parts thereof will be inhaled in those receiving treatment.
Aims This pilot study aims to investigate if chewing jelly confectionary snakes after tonsillectomies +/- adenoidectomies will significantly reduce the incidence of postoperative nausea/vomiting (PONV) in children.
Study Design One site pilot trial of the effectiveness of chewy jelly snakes in the prevention of POV involving the Royal Aberdeen Children Hospital, UK.
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240 participants in 2 patient groups
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Thomas Engelhardt, Prof
Data sourced from clinicaltrials.gov
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