Abstract
The authors evaluated current opinion, clinical practice, new multimodal adjuvants, regional anesthesia, and innovation and technology related PVB in the thoracic surgery patient population. The review focuses on history, techniques, application, ease of placement, and relative safety of this regional technique. For this review, studies and reference lists were retrieved from the Cochrane library, Embase, and Medline from January 1995 through January 2017. Existing evidence demonstrates noninferiority of thoracic PVB compared with TEA for postoperative analgesia, with fewer side effects for unilateral and bilateral thoracic surgery, including video-assisted thoracoscopy. The determining factors in selecting the regional technique of choice include the following: (1) tolerance of side effects associated with TEA, (2) consensus on best practice or technique, and (3) operator experience. There is no consensus on the optimal approach for thoracic PVB technique or any standardization when comparing the landmark, ultrasound-guided, or stimulation-based PVB approaches. Moreover, the efficacy of TEA compared with PVB in preventing post-thoracotomy chronic pain syndrome has not been investigated thoroughly and requires future clinical trials.
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