Abstract of medical PHD thesis: Studying on the analgesic efficacy after lung surgery of ultrasound guided continous thoracic paravertebral block with bupivacain fentanyl

Lung surgery is one of the most painful thoracotomy, so treatment of postoperative pain is needed. Many methods of pain relief after lung surgery have been studied and applied, of which epidural anesthesia is considered the "Gold Standard". However, epidural anesthesia can cause hypotension, nerve damage, and is contraindicated in patients with coagulopathy. In recent years, thoracic paravertebral block as well as ultrasound – guided thoracic paravertebral block is being accepted as an alter...