“…11,23,24 Tankard et al addressed mortality as a primary outcome as it relates to the use of regional anesthetic techniques and found no differences. 14 Likewise, secondary outcomes metrics, including failure to wean from mechanical ventilation and reintubation, demonstrated repeatedly to be improved with TEA in open procedures, were no different between groups. A limitation of their study was, with the exception of epidural anesthesia, failure of the NSQIP dataset to differentiate among the various types of regional blocks, such that paravertebral blocks were combined with chest wall and other types of regional techniques in the analysis.…”