Abstract
Aims: The aim of this study was to evaluate the haemo-dynamic and blockade effects of 25 μg and of 200 μg adrenaline adding to 1.5% lidocaine under axillary brachial plexus blockade. Methods: Fifty patients presenting for hand surgery were randomly divided into two groups. Patients were received either 5 ml saline containing 25 μg adrenaline firstly and thereafter 35 ml 1.5% plain lidocaine in Group 1, and 5 ml saline alone firstly and thereafter 200 μg adrenaline adding to 35 ml 1.5% lidocaine in Group 2. Haemodynamic data were measured from 1st to 10th minute after axillary injection at 1 minute interval. After operation, time to first sensation of pain related to the surgical site and clinical recovery of motor block were recorded. Results: Complete anaesthesia in three nerves was achieved 85% of patients in Group 1 and 90% in Group 2. First analgesic request time was not different between the groups. Motor blockade duration time in Group 1 (124.6±12.1min) was significantly shorter than that of Group 2 (140.4±19.0 min) (p< 0.05). Conclusions: We consider that the lower of adrenaline added to 1.5% lidocaine technique offers better haemodynamy, and blockade properties. We suggest that the technique using lower adrenalin doses may be useful for especially cardiac patients if they need for forearm and hand surgery.
Theses abstracts were prepared by Professor Dr. Frantz Langlais. Correspondence should be addressed to him at EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.
