Revista espanola de anestesiologia y reanimacion · 2002
[Respiratory and hemodynamic effects of thoracic or lumbar epidural alfentanyl after thoracic surgery].
Клиническое исследованиеСравнительное исследованиеАннотация на английскомСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Granell Gil M, Arnau Obrer A, Tovar O, Cantó Armengod A, Palanca Sanfrancisco J M
Аннотация
OBJECTIVES: The aim of this study was to evaluate the effects on pulmonary function and hemodynamics of three different types of analgesia after thoracotomy.
MATERIAL AND METHODS: Forty-five ASA II-IV patients undergoing thoracotomy (for lobectomy or pneumonectomy) were randomized to three groups (n = 15 each) for double-blind study. After a test dose into the epidural space at T5-7 (groups T-A and T-AL) or L2-3 (group L-A) interspace, 10 micrograms/Kg of alfentanil was administered in all groups, followed by epidural infusion of 400 micrograms/h of alfentanil (group T-A and L-A) or 400 micrograms/h of alfentanil with 50 mg/h of lidocaine (group T-AL) during surgery and 24 hours postoperatively. The patients also used a patient-controlled analgesia device to administer intravenous morphine postoperatively. During the study period the following variables were recorded: hemodynamic parameters, lung function, quality of analgesia and respiratory complications. ANOVA was performed and Scheffé and Chi-square tests were applied with 0.05 as the level of statistical significance.
RESULTS: No differences were found between groups with respect to patient characteristics or type of surgery. Rescue analgesia requirements were higher in group L-A than in the other groups. PaO2 (6 and 18 hours) and spirometric parameters (12 and 18 hours) were significantly higher in group T-AL than in the other groups (p < or = 0.05). No other statistically significant differences were found.
CONCLUSIONS: Respiratory parameters were better after thoracic epidural analgesia with alfentanil and lidocaine than after the other analgesic techniques studied. Group L-A patients had greater need for rescue analgesia than did patients in the other groups.
MATERIAL AND METHODS: Forty-five ASA II-IV patients undergoing thoracotomy (for lobectomy or pneumonectomy) were randomized to three groups (n = 15 each) for double-blind study. After a test dose into the epidural space at T5-7 (groups T-A and T-AL) or L2-3 (group L-A) interspace, 10 micrograms/Kg of alfentanil was administered in all groups, followed by epidural infusion of 400 micrograms/h of alfentanil (group T-A and L-A) or 400 micrograms/h of alfentanil with 50 mg/h of lidocaine (group T-AL) during surgery and 24 hours postoperatively. The patients also used a patient-controlled analgesia device to administer intravenous morphine postoperatively. During the study period the following variables were recorded: hemodynamic parameters, lung function, quality of analgesia and respiratory complications. ANOVA was performed and Scheffé and Chi-square tests were applied with 0.05 as the level of statistical significance.
RESULTS: No differences were found between groups with respect to patient characteristics or type of surgery. Rescue analgesia requirements were higher in group L-A than in the other groups. PaO2 (6 and 18 hours) and spirometric parameters (12 and 18 hours) were significantly higher in group T-AL than in the other groups (p < or = 0.05). No other statistically significant differences were found.
CONCLUSIONS: Respiratory parameters were better after thoracic epidural analgesia with alfentanil and lidocaine than after the other analgesic techniques studied. Group L-A patients had greater need for rescue analgesia than did patients in the other groups.