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Spinal anaesthesia: comparison of plain ropivacaine 5 mg ml−1 with bupivacaine 5 mg ml−1 for major orthopaedic surgery  D.A. McNamee, A.M. McClelland,

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Presentation on theme: "Spinal anaesthesia: comparison of plain ropivacaine 5 mg ml−1 with bupivacaine 5 mg ml−1 for major orthopaedic surgery  D.A. McNamee, A.M. McClelland,"— Presentation transcript:

1 Spinal anaesthesia: comparison of plain ropivacaine 5 mg ml−1 with bupivacaine 5 mg ml−1 for major orthopaedic surgery  D.A. McNamee, A.M. McClelland, S. Scott, K.R. Milligan, L. Westman, U. Gustafsson  British Journal of Anaesthesia  Volume 89, Issue 5, Pages (November 2002) DOI: /bja/aef259 Copyright © 2002 British Journal of Anaesthesia Terms and Conditions

2 Fig 1 Upper extent of levels of analgesia in the individual patients after intrathecal administration of isobaric ropivacaine 5 mg ml−1 or bupivacaine 5 mg ml−1. Horizontal bars represent medians. No significant differences. British Journal of Anaesthesia  , DOI: ( /bja/aef259) Copyright © 2002 British Journal of Anaesthesia Terms and Conditions

3 Fig 2 Regression of upper dermatomal level of sensory block with time (median and range) after intrathecal administration of isobaric ropivacaine 5 mg ml−1 or bupivacaine 5 mg ml−1. Median duration of sensory block at the T10 dermatome was significantly longer in the bupivacaine group (P<0.0001). British Journal of Anaesthesia  , DOI: ( /bja/aef259) Copyright © 2002 British Journal of Anaesthesia Terms and Conditions

4 Fig 3 Motor block following intrathecal administration of isobaric ropivacaine 5 mg ml−1 or bupivacaine 5 mg ml−1. Numbers represent modified Bromage Scale. Median duration of complete motor block (modified Bromage Scale 3) significantly shorter in the ropivacaine group (P<0.001). British Journal of Anaesthesia  , DOI: ( /bja/aef259) Copyright © 2002 British Journal of Anaesthesia Terms and Conditions


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