• J. Cardiothorac. Vasc. Anesth. · Feb 2005

    Comparative Study

    The effects of intrathecal morphine on patients undergoing minimally invasive direct coronary artery bypass surgery.

    • Eliyahu Zisman, Alexander Shenderey, Ron Ammar, Arieh Eden, and Reuven Pizov.
    • Department of Anesthesiology and Critical Care Medicine, Carmel Lady Davis Medical Center, Haifa, Israel. elizisman@hotmail.com
    • J. Cardiothorac. Vasc. Anesth. 2005 Feb 1;19(1):40-3.

    ObjectiveTo evaluate the effects of intrathecal morphine (ITM) on the perioperative use of opiates and the fast-track pathway in patients undergoing minimally invasive direct coronary artery bypass grafting (MIDCAB).DesignRetrospective cohort study.SettingsUniversity teaching hospital.ParticipantsTwenty-two elective consecutive patients who underwent MIDCAB surgery.InterventionsEleven patients received an intrathecal injection of morphine, 7 microg/kg (ITM group, n=11), and the control group (n=11) received standard anesthesia care.Measurements And Main ResultsThe intraoperative dose of fentanyl was 0.55+/-0.2 mg in the ITM group and 1.1+/-0.2 mg in the control group (p<0.0001). Four patients in the ITM group and none in the control group were extubated in the operating room. Extubation time was 3.2+/-4.7 hours in the ITM group and 6.3+/-3.4 hours in the control group (p=0.016). Morphine requirements in 24 hours after surgery were 2.0+/-3.5 mg in the ITM and 16.1+/-4.8 mg in the control group (p<0.0001). There were no differences in ischemic time, intraoperative fluid requirements, postoperative blood loss, and duration of surgical procedure. Hospital length of stay was shorter in the ITM group compared with the control group (3.9+/-1.7 days v 4.9+/-1.4 days, respectively, p=0.047).ConclusionsITM has to be considered in MIDCAB surgery as an effective component of the perioperative analgesia. The safety and effects of ITM in the patients recovery after MIDCAB surgery should be evaluated in further prospective studies.

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