• A F Unterrainer, A R Al-Schameri, W P Piotrowski, M A Krombholz-Reindl, A L Schmid, and W Hitzl.
• Department of Anaesthesiology, Intensive Careand Perioperative Medicine, Christian Doppler Klinik, Paracelsus Medical University Salzburg, Austria. a.f.unterrainer@salk.at
• Middle East J Anaesthesiol. 2008 Feb 1;19(4):781-8.

Background And ObjectiveContinuous epidural administration of a local anesthetic drug for postoperative pain treatment of patients, who undergo a fusion operation of lumbar vertebrae is limited by the suction of wound drainage. The effect of the single epidural administration of levobupivacaine 0.25% 10 mL 20 minutes before finishing of skin closure was examined on the postoperative demand for piritramide.MethodsThe study was conducted in a prospective, single blind and randomized manner. Forty patients scheduled for posterior intervertebral body fusion of two or three vertebrae were divided into two groups. Group A received levobupivacaine 0.25% 10 mL epidurally, Group B received piritramide 0.08 mg kg(-1) i.v. Time of administration was 20 minutes before predicted finish of skin closure in both groups. Piritramide was administered intravenously to achieve a VAS of 3 or less during the phase of awakening. After regaining of co-operativity, piritramide was self administered via PCA pump. VAS and the demand of piritramide within 12 hours postoperative were recorded.ResultsVAS at the time of being approachable (P = 0.23), VAS at the time of regaining co-operativity (P = 0.53) and VAS 12 hours postoperative (P = 0.27) did not differ significantly. The postoperative demand of piritramide was significantly lower in Group A (0.36 +/- 0.25 mg kg(-1) vs. 0.52 +/- 0.19 mg kg(-1) in Group B) (P = 0.026).ConclusionThe epidural administration of levobupivacaine 0.25% 10 mL 20 minutes before finishing of skin closure effects opioid sparing in the pain treatment of patients undergoing posterior interbody fusion of two or three vertebrae.

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