Preoperative anxiety as influential parameter on postoperative nausea and vomiting (PONV) in patients undergoing laparoscopic cholecystectomy

Pantazopoulos, Charalampos; Mavri, M.; Vasileiou, Ioanna; Poulou, S.; Tsinari, K.

doi:10.1097/00003643-201006121-00063

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“…Physiological responses include clinical signs of stress such as rapid heartbeat, increased blood pressure, persistent muscle tightness, facial pallor, insensible perspiration, ventricular ectopic beats or even ventricular fibrillation; behavioural responses include insomnia, restlessness and senseless movements; emotional responses include heightened irritability and increased negative emotions such as anxiousness; and cognitive responses include decreased attention and weakened learning abilities (Bansal & Joon, 2016). Sustained preoperative anxiety may result in the occurrence of various adverse reactions, such as prolonged anaesthetic induction, increased postoperative pain, poor postoperative wound healing, increased postoperative nausea and vomiting and prolonged hospitalisation (Ayyadhah Alanazi, 2014; Pantazopoulos et al, 2010). Research has also shown that the severe negative effects of high‐level anxiety may persist for several years (Kain et al, 2004).…”

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Effects of virtual reality on preoperative anxiety in children: A systematic review and meta‐analysis of randomised controlled trials

Chen

Wang

Chen

2022

Journal of Clinical Nursing

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Aims To synthesise and evaluate the effectiveness of virtual reality interventions in preoperative children. Background Children consider operations as a predictable threat and stressful event. Children's anxiety before an operation increases as the time draws closer. Children could understand the operating room environment and process before the operation using virtual reality, which may reduce their anxiety before an operation. Design A systematic review and meta‐analysis of randomised controlled trials following the Cochrane method were conducted. Method CINAHL, Cochrane Library, Embase, Joanna Briggs Institute, MEDLINE and PubMed databases were searched for randomised controlled trials published before February 2021. A random‐effects model meta‐analysis to calculate pooled prevalence and 95% confidence intervals was performed. Conduction of the review adheres to the PRISMA checklist. Results Of 257 articles screened, six interventions involving 529 participants aged 4–12 years were included in the analysis. All study evidence levels were B2/Level 2, the quality was medium to high on the modified Jadad scale, with a low risk of bias. The results revealed that virtual reality significantly reduced preoperative anxiety in children (SMD: −0.91, 95% CI: −1.43 to −0.39, p = .0006). Furthermore, virtual reality significantly improved children's compliance with anaesthesia (SMD: 3.49, 95% CI: 1.32 to 9.21, p = .01). Conclusion Children who used virtual reality before an operation felt more familiar with the operating room environment and understood the preoperative preparation procedures. Virtual reality effectively reduced children's anxiety and improved their compliance with anaesthesia. Relevance to clinical practice This systematic review and meta‐analysis investigated the effect of virtual reality on preoperative anxiety in children and the findings supported its positive effects. The results could provide a reference for incorporating virtual reality into preoperative preparation guidelines.

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