Postoperative agitation is a common problem after sevoflurane anesthesia in children. In the present study, we evaluated if tropisetron or clonidine could reduce the incidence of postoperative agitation after day case adenoidectomy in small children. We included 75 unpremedicated children aged 1-7 yr who were randomly assigned to receive either placebo, tropisetron (0.1 mg/kg) or clonidine (1.5 microg/kg) after anesthesia induction. Anesthesia was induced and maintained with sevoflurane. Patients also received alfentanil (20 microg/kg) and diclofenac (1 mg/kg). Postoperative pain was treated with IV oxycodone (0.05 mg/kg). Time to achieve discharge criteria was recorded. Modified pain/discomfort scale was used assess the postoperative behavior. The incidence of postoperative agitation was significantly less (32%, 8/25 patients) in the tropisetron group compared with placebo (62%, 16/26 patients), P < 0.05). Clonidine could not prevent agitation (incidence 54%, 13/24). No adverse effects were noted during the study. Discharge times were similar between the groups (between 80 and 99 min on average). In conclusion, tropisetron 0.1 mg/kg significantly reduced the incidence of postoperative agitation after sevoflurane anesthesia. Clonidine 1.5 microg/kg did not differ from placebo with respect to postoperative agitation.
Purpose: To compare the postoperative analgesic effects of 50 mg diclofenac po before surgery and intra-articular ropivacaine injected after diagnostic day-case knee arthroscopy performed under spinal anesthesia.Methods: In a randomized, double-blind investigation, 200 ASA physical status 1-2 outpatients, age 18-60 yr, received either 50 mg diclofenac po or placebo one hour before operation (100 patients per group), and intraarticular injections of either 20 ml of ropivacaine 0.5% or 20 ml of saline 0.9% (50 patients in each premedication groups). Patients received 50 mg diclofenac po prn and, if needed, 0.1 mg·kg -1 oxycodone im for postoperative pain relief. Patients were discharged home with a supply of 50 mg diclofenac tablets and were given a sheet of paper with knee pain VAS scales and a questionnaire of analgesics taken. Patients rated their VAS scores eight hours after surgery and in the morning and at the end of the first and the second postoperative days, respectively.Results: The only statistically significant difference was found when the diclofenac groups were combined and compared with the combined placebo premedication groups. The VAS scores of knee pain at eight hours after the operation were 19 ± 22 in the two diclofenac premedication groups and 32 ± 28 in the two placebo groups (P=0.001).Conclusions: Diclofenac premedication po reduced the VAS scores at eight hours postoperatively while intraarticular ropivacaine did not.Objectif : Comparer les effets analgésiques postopératoires de 50 mg de diclofénac po, administrés avant l'opération, à la ropivacaïne intra-articulaire, donnée après l'arthroscopie diagnostique sous rachianesthésie.Méthode : Lors d'une étude randomisée et en double aveugle, 200 patients d'état physique ASA I-II, âgés de 18-60 ans, ont reçu 50 mg de diclofénac po ou un placebo une heure avant l'opération (100 patients par groupe), et une injection intra-articulaire de 20 ml de ropivacaïne 0,5 % ou 20 ml de solution salée 0,9 % (50 patients dans chaque groupe de prémédication). Les patients ont reçu 50 mg de diclofénac po prn et, si nécessaire, 0,1 mg·kg -1 d'oxycodone im pour soulager la douleur postopératoire. À leur départ, ils ont reçu des comprimés de 50 mg de diclofénac, un questionnaire concernant la prise d'analgésiques et une feuille de papier où inscrire le niveau de douleur au genou selon l'EVA. Les patients ont estimé leurs scores à l'EVA huit heures après l'opéra-tion et au début et à la fin du premier et du deuxième jours postopératoires, respectivement.Résultats : La seule différence statistique significative a été trouvée en combinant les groupes de diclofénac et en les comparant aux groupes combinés de prémédication placebo. Les scores postopératoires de l'EVA ont été de 19 ± 22 dans les deux groupes qui ont reçu une prémédication de diclofénac et de 32 ± 28 dans les groupes qui ont reçu le placebo (P=0,001). Conclusion :La prémédication au diclofénac po a réduit les scores postopératoires de l'EVA à huit heures, mais non pas la ropivacaïne intra-articulaire.
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