Thoracotomy: Intercostal Nerve Block Versus Epidural Anesthesia

In the epidural group prior to the induction of general anesthesia, a thoracic epidural catheter will be was placed at the level of the TH6-TH8. 8 ml ropivacaine 1% were administered through the epidural catheter. EDA is aimed at a sensory block level from TH2 to TH10.

In the intercostal group, before chest closure, each 4 ml ropivacaine 0.75 % will be injected by the surgeon under direct vision into the proximal intercostal space at the level of the thoracotomy and two spaces above and below as well as 5 ml ropivacaine 0,75 % at the thoracic drainage tube exits