RETRACTED ARTICLE: Granisetron reduces postoperative nausea and vomiting throughout menstrual cycle

  • Yoshitaka Fujii
  • Hiroyoshi Tanaka
  • Hidenori Toyooka
Reports of Investigation

Abstract

Purpose

The incidence of postoperative nausea and vomiting (PONV) is influenced by menstruation. This study was undertaken to assess the efficacy of granisetron, a selective 5-hydroxytryptamine type 3 receptor antagonist, for preventing PONV in patients during two different phases of menstrual cycle.

Methods

One hundred twenty female patients undergoing general anaesthesia for major gynaecological surgery were divided according to the phase of menstrual cycle into two groups: day one to eight (menstrual) and day nine to end of the cycle (non-menstrual) groups. In a randomized, double-blind manner, the patients received placebo (saline) or 40μg·kg−1 granisetroniv immediately before the induction of anaesthesia. All patients received a standardized general and epidural anaesthesia and epidural morphine plus bupivacaine for postoperative analgesia. The incidence of PONV and other adverse events was recorded during the first 24 hr after anaesthesia.

Results

The treatment groups were similar with respect to patient demographics, types of surgery, anaesthetics administered and analgesics used postoperatively. The incidence of PONV was 72% and 32% in patients during menstruation receiving placebo or granisetron (P < 0.05), and was 46% and 20% in those during non-menstruation, respectively (P < 0.05). No differences in the incidence of other adverse events were observed among the groups.

Conclusion

Granisetron was effective in reducing the incidence of PONV in both phases of the menstrual cycle studied.

Objectif

Les menstruations influencent l’incidence des nausées et des vomissements postopératoires (NVPO). Cette étude visait à évaluer I’efficacité du granisetron, un antagoniste du récepteur de la 5-hydroxytryptamine de type 3, administré pour la prévention des NVPO pendant les différentes phases du cycle menstruel.

Méthodes

Cent vingt patientes programmées pour une chirurgie gynécologique majeure sous anesthésie générate ont été réparties en deux groupes déterminés par la phase de leur cycle menstruel: du premier au huitième jour («menstruel») et du neuvième jour à la fin du cycle («non menstruel»). En double aveugle et aléatoirement, les patientes ont reçu un placebo (du sol. phys.) ou 40μg·kg−1 de granisetroniv immédiatement avant I’induction de I’anesthésie. Toutes les patientes ont reçu une anesthésie générale ou épidurale standard et de la morphine épidurale avec ajout de bupivacaïne pour I’analgésie postopératoire. L’incidence des NVPO et des autres incidents a été enregistrée pendant 24 h après I’anesthésie.

Résultats

Les deux groupes étaient identiques sur le plan de la démographie, du type de chirurgie, de I’anesthésie et des analgésiques administrés en postopératoire. L’incidence des NVPO a été respectivement de 72% et de 32% dans le groupe menstruel recevant le placebo et le granisetron (P < 0,05) et de 46% et de 20% dans le groupe non menstruel (P < 0,05). L’incidence des complications a été la même dans les deux groupes.

Conclusion

Le granisetron a réduit efficacement complications des NVPO pendant les deux phases du cycle menstruel.

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Copyright information

© Canadian Anesthesiologists 1997

Authors and Affiliations

  • Yoshitaka Fujii
    • 1
  • Hiroyoshi Tanaka
    • 1
  • Hidenori Toyooka
    • 1
    • 2
  1. 1.Department of AnaesthesiologyToride Kyodo General HospitalIbarakiJapan
  2. 2.The Department of AnaesthesiologyTsukuba University Institute of Clinical MedicineIbarakiJapan

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