British Journal of Anaesthesia, Vol 83, Issue 4 608-610, Copyright © 1999 by The Board of Management and Trustees of the British Journal of Anaesthesia
D. Allen, C. Jorgensen and C. Sims
Patient-controlled analgesia (PCA) is associated with a high incidence of
vomiting which is distressing and interferes with postoperative recovery.
Tropisetron, a long-acting selective 5-HT3 receptor antagonist, has been
shown to be effective in preventing nausea and vomiting associated with PCA
use in adults and chemotherapy in children. We assessed the efficacy of
prophylactic intraoperative administration of tropisetron on the incidence
of vomiting in children using morphine PCA. We studied 58 patients,
allocated randomly to receive tropisetron 0.1 mg kg-1 to a maximum of 5 mg,
or normal saline. Children who received tropisetron had an incidence of
vomiting during the first 24 h after operation of 22% compared with 66% in
the control group (P = 0.001). In addition, the severity of vomiting was
less in the tropisetron group with only one child (4%) vomiting more than
twice compared with nine (31%) in the control group (P = 0.01). We conclude
that tropisetron is efficacious in reducing the incidence and severity of
postoperative vomiting in children using PCA.
CLINICAL INVESTIGATIONS
Effect of tropisetron on vomiting during patient-controlled analgesia in children
Department of Anaesthesia, Princess Margaret Hospital for Children, Roberts Road, Subiaco, Perth, WA 6008, Australia
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