Baseline data
COMPLICATIONS
No complications related to nerve block procedure were reported.There were no differences between the two groups in terms of age, body mass index, age at menopause, duration of mastectomy surgery, duration of the reconstruction procedure, and the number of lymph nodes removed, as presented in Table Demographic, clinical, and surgical data.Data showing in median and quartiles. General + SAMP/PECS I: patients submitted to the general anesthesia associated with serratus anterior muscle (SAM) block and pectoral nerves (PECS) block type I during mastectomy procedure (n = 22 patients). General anesthesia: patients submitted to general anesthesia only during mastectomy procedure (n = 22 patients).There were no statistically significant differences between the two groups regarding the use of neoadjuvant therapy, neoadjuvant hormonal therapy, neoadjuvant trastuzumab, adjuvant therapy, adjuvant chemotherapy, adjuvant hormonal therapy, adjuvant trastuzumab, and adjuvant radiation therapy, as shown in Table Data regarding the non-surgical treatment.General + SAMP/PECS I: patients submitted to the general anesthesia associated with serratus anterior muscle (SAM) block and pectoral nerves (PECS) block type I during mastectomy procedure (n = 22 patients). General anesthesia: patients submitted to general anesthesia only during mastectomy procedure (n = 22 patients).