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Electrostimulation at P6 for prevention of PONV
Amir SH, Bano S, Khan RM, Ahmed M, Zia F, Nasreen F
Journal of Anaesthesiology Clinical Pharmacology 2007 Oct;23(4):383-860
clinical trial
4/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: No; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

BACKGROUND: Post operative nausea and vomiting (PONV) is a distressing complication especially after middle ear surgery. Non-pharmacological methods offer case of acceptance, low costs and need to be re-examined for efficacy in PONV prophylaxis. PATIENTS AND METHODS: 40 adult ASA grade I and II patients undergoing middle ear surgery were randomly selected into 2 groups of 20 each. Group I received accupuncture at P6 point. Group II patients received sham acupuncture. Anaesthesia technique was standardised in both groups. A blinded observer collected postoperative data on PONV, alongwith total dose of ondansetron received and patient satisfaction till 24 hrs of surgery. RESULTS: Overall incidence of Nausea was 30% and vomiting 25% in group I while 80% patients in group II reported both nausea and vomiting. Need of rescue antiemetics was also higher in group II. However only 50% patients in group II accepted this technique for future use. CONCLUSION: We therefore conclude that acupuncture using electrical stimulation is safe and effective in the prevention of PONV in patients undergoing middle ear surgery.

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