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Intrathecal ropivacaine for total hip arthroplasty: double-blind comparative study with isobaric 7.5 mg ml−1 and 10 mg ml−1 solutions  D.A. McNamee, L.

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Presentation on theme: "Intrathecal ropivacaine for total hip arthroplasty: double-blind comparative study with isobaric 7.5 mg ml−1 and 10 mg ml−1 solutions  D.A. McNamee, L."— Presentation transcript:

1 Intrathecal ropivacaine for total hip arthroplasty: double-blind comparative study with isobaric 7.5 mg ml−1 and 10 mg ml−1 solutions  D.A. McNamee, L. Parks, A.M. McClelland, S. Scott, K.R. Milligan, K. Ahlén, U. Gustafsson  British Journal of Anaesthesia  Volume 87, Issue 5, Pages (November 2001) DOI: /bja/ Copyright © 2001 British Journal of Anaesthesia Terms and Conditions

2 Fig 1 Regression of upper dermatomal level of sensory block with time (median and range). No significant differences. British Journal of Anaesthesia  , DOI: ( /bja/ ) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions

3 Fig 2 Upper extent of levels of analgesia in the individual patients after intrathecal administration of isobaric 7.5 or 10 mg ml−1 ropivacaine. Horizontal bars represent medians. No significant differences British Journal of Anaesthesia  , DOI: ( /bja/ ) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions

4 Fig 3 Motor block following intrathecal administration of isobaric 7.5 or 10 mg ml−1 ropivacaine. Numbers represent modified Bromage Scale. Duration of grade 3 motor block significantly prolonged in ropivacaine 10 mg ml−1 group (P<0.05). British Journal of Anaesthesia  , DOI: ( /bja/ ) Copyright © 2001 British Journal of Anaesthesia Terms and Conditions


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