Anesthesia and analgesia in breast surgery: the benefits of peripheral nerve block

Breast surgery is frequently associated with postoperative pain, nausea and vomiting, that result in increased patient's suffering, prolongation of hospital stays and related costs. Thoracic paravertebral nerve block (TPVB) is a viable option to the classic multimodal analgesia in breast surgery as it enhances surgical anesthesia and postoperative analgesia.

In this review, we report the results of a number of studies on the role of TPVB in breast surgery. This technique is associated with a superior control of the pain, a reduction in opioids consumption after surgery, a decrease in postoperative nausea and vomiting, and an overall decrease in length of hospital stay. In particular, TPVB seems to provide the most benefits in patients undergoing an unilateral or bilateral mastectomy followed by immediate reconstruction. Some studies also suggest that the use of regional anesthesia-analgesia could attenuate perioperative immunosuppression and minimize metastases in breast cancer patients.

TPVB can be also coupled with other regional anesthetic techniques such as pectoral nerve block (PNB), thus increasing the reduction in postsurgical pain, opioids consumption and length of hospital stays.

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