| | ESRA: Diamorphine/Bupivacine Combination Best Anesthetic Bet for Patients Undergoing Cardiac Surgery (Site not responding. Last check: 2007-11-03) |
 | | The two ropivacaine mixtures were associated with a much greater degree of motor blockade (p=0.004) while those patients receiving the ropivacaine/fentanyl mixture had the highest pain scores (4.6 as compared with 2.9 in the bupivacaine/fentanyl cohort, and 0.8 and 0.2 in the ropivacaine/diamorphine and bupivacaine/diamorphine groups, respectively). |
 | | The greater muscle relaxation seen in the ripovacaine group could not be explained by the dose of the local anaesthetic, the investigators said, because the same responses were not seen in the bupivacaine/fentanyl groups, despite the higher infusion rate in that group. |
 | | The lower infusion rates observed in the two groups receiving diamorphine could be explained by its metabolism to morphine inside the spinal cord, and could illustrate the importance of using opiates that are lipid soluable to minimize rostral spread, the researcher said. |
| www.pslgroup.com /dg/206AA2.htm (607 words) |