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Comparison of Ropivacaine and Levobupivacaine in High Thoracic Epidural Anesthesia

Coronary Artery Bypass Clinical Trial

Official title:
High Thoracic Epidural Anesthesia and Postoperative Analgesia With Ropivacaine or Levobupivacaine for Coronary Surgery: A Prospective Randomized Double-Blind Comparison

Clinical Trial Summary

In High Thoracic Epidural Anesthesia (HTEA) the use of a local anesthetic (LA) with low cardiac toxicity is crucial as myocardial contractility is often already seriously impaired. The aim of this study is to compare the efficacy, doses and side effects of ropivacaine and levobupivacaine in patients submitted to coronary artery bypass graft with HTEA and general anesthesia. The primary end point is the amount of LA drug required to maintain a VAS < 4 when coughing in the first 24 postoperative hours.

Clinical Trial Description

The use of high thoracic epidural, combined with general anesthesia (HTEA) in patients undergoing cardiac surgery has become increasing popular in recent years. In fact, this technique is potentially beneficial because of the attenuation of the stress response to surgery, the sympathetic tone reduction and the excellent postoperative analgesia.Patients submitted to coronary artery bypass graft will be randomly allocated to receive high epidural block with ropivacaine (R) or levobupivacaine (L), supplemented with sufentanil, during and after surgery. Postoperatively, the rate of epidural infusion will be modified to maintain a VAS score less than 4 in the thoracic area when coughing. VAS, total amount and rate of epidural drug infusion, MAP, total amount and rate of norepinephrine infusion and motor block will be recorded on arrival in the ICU, on awakening and after 4, 8, 12, 24 hours. Additionally, the onset time of the epidural sensory block, the time of awakening and the time on ventilator will be recorded as well as episodes of postoperative nausea and vomiting (PONV) and pruritus. ;

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00552864
Study type Interventional
Source Centro Cardiologico Monzino
Contact
Status Completed
Phase Phase 4
Start date January 2003
Completion date June 2005
View Details
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