Breast block

What blocks do you guys/girls normally do at your practice for total mastectomy w axillary node dissections? Or breast reconstructions? I'm looking at pecs 1 , 2, SA, or paravertebral. Anyone have experience or data comparing these alone or in combo? And does anyone do them before putting patient to sleep? Any benefits?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums