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Effect of parecoxib on postoperative hyperalgesia induced by remifentanil-based anesthesia / 中华麻醉学杂志
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-426951
Biblioteca responsável: WPRO
ABSTRACT
Objective To investigate the effect of parecoxib on postoperative hyperalgesia induced by remifentanil-based anesthesia.Methods One hundred ASA Ⅰ or Ⅱ patients,aged 21-64 yr,weighing 50-80 kg,undergoing elective laparoscopic operation,were randomly divided into 5 groups ( n =20 each)parecoxib group (group P),small dose remifentanil group (group S),large dose remifentanil group (group L),small dose remifentanil + parecoxib group (group SP) and large dose remifentanil + parecoxib group (group LP).Parecoxib 40 mg was injected intravenously at 30 min before anesthesia in groups P,SP and LP.Anesthesia was induced with midazolam0.05 mg/kg,etomidate 0.2 mg/kg,cisatracurium 0.15 mg/kg and remifentanil 1 μg/kg (fentanyl 4 μg/kg in group P).The patients was tracheal intubated and mechanically ventilated.PETCO2 was maintained at 35-45 mm Hg.Anesthesia was maintained with infusion of remifentanil at 0.05 μg·kg-1 ·min-1 (in groups S and SP) or at 0.3 μg· kg- 1· min- 1 (in groups L and LP) combined with inhalation of sevoflurane and infusion of cisatracurium at 0.12 mg·kg-1·h-1.At 30 min after operation,numeric rating scale (NRS) was used to assess the degree of pain at rest and during activity.Tramadol 1.5 mg/kg was injected intravenously after operation if needed.NRS scores were maintained ≤5.The use of tramadol and adverse effects during 24 h after operation were recorded.Results Compared with group P,NRS scores at rest and during activity were significantly increased at 30 min after operation in groups S and L,the incidence of shivering and the number of patients who needed tramadol were significantly increased in group L,and no change was found in NPS scores at rest and during activity at 30 min after operation,the incidence of adverse effects and the number of patients who needed tramadol in groups SP and LP.Compared with group S,NRS scores at rest and during activity at 30 min after operation,the incidence of shivering and the number of patients who needed tramadol were significantly increased in group L,NRS scores at rest and during activity at 30 min after operation were significantly decreased and no change was found in the incidence of adverse effects and the number of patients who needed tramadol in group SP.Compared with group L,NRS scores at rest and during activity at 30 min after operation,the incidence of shivering and the number of patients who needed tramadol were significantly decreased in group LP.Conclusion Intravenous injection of parecoxib 40 mg at 30 min before anesthesia can attenuate postoperative hyperalgesia induced by remifentanil-based anesthesia.

Texto completo: Disponível Base de dados: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Anesthesiology Ano de publicação: 2012 Tipo de documento: Artigo
Texto completo: Disponível Base de dados: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Anesthesiology Ano de publicação: 2012 Tipo de documento: Artigo
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