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KMID : 0355620200460020116
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Journal of Korean Association of Oral and Maxillofacial Surgeons
2020 Volume.46 No. 2 p.116 ~ p.124
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Incidence and risk factors for postoperative nausea and vomiting in orthognathic surgery: a 10-year retrospective study
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Ghosh Subhabrata
Rai Kirthi Kumar
Shivakumar Hosadurga Rudraswamy
Upasi Amarnath P.
Naik Vinayak Gourish
Bharat Avijit
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Abstract
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Objectives: Postoperative nausea and vomiting (PONV) is considered as one of the most incessant and anguishing factors for patients who have surgery under general anesthesia. The occurrence of PONV after orthognathic surgery can lead to dehydration, infection, bleeding at the surgical site, and patient discomfort, all of which leave a patient with a negative impression of anesthesia and surgery. The purpose of this study is to assess the incidence of PONV after orthognathic surgery and to correlate it with factors related to patient, anesthesia, and surgery.
Materials and Methods: A 10-year retrospective survey was done for patients who underwent orthognathic surgery between January 2008 and March 2018. The incidence of PONV was evaluated, correlations with factors related to patient, anesthesia, and surgery were studied, and the duration between the end of surgery and the occurrence of the first episode of PONV was tabulated.
Results: The medical records of 109 patients were screened, out of which 101 satisfied the inclusion criteria. Amongst these patients, 60 patients (59.4%) suffered from PONV. Patient’s sex, induction agent used, intravenous fluids administered intraoperatively, duration and type of surgery, and the presence of a nasogastric tube were seen to have a significant influence on precipitating PONV. It was noted that among the patients who suffered from PONV, 61.7% of them experienced it 48-96 hours after the end of surgery.
Conclusion: Despite the improved anesthetic equipments, drugs, and surgical techniques currently used, the incidence of PONV was high in our study. Certain factors that were seen to influence PONV in this study need to be considered in order to develop an efficacious protocol to reduce PONV in orthognathic surgeries.
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KEYWORD
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Postoperative nausea and vomiting, Orthognathic surgery, General anesthesia
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