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Paravertebral block (PVB) is an effective alternative to epidural analgesia in the management of post-thoracotomy pain. Rib spreading (RS) is an important noxious stimulus considered a major cause of post-thoracotomy pain. Our hypothesis was that a bolus of ropivacaine 0.2% through a paravertebral catheter (PVC) inserted before RS could decrease pain during the first 72 postoperative hours.

A prospective study of analgesic quality after a thoracotomy: paravertebral block with ropivacaine before and after rib spreading☆