Had an epidural that didn't take, gave birth to DS, he wouldn't latch. Had latch issues even with the help of lactation consultants in the hospital, and he never breastfed.
ETA: At 3 1/2 months, when I had had it with exclusively pumping, I tried the nipple shield again and DS began to nurse. We did that for two weeks until he decided that he didn't want to anymore, and stopped taking even the shield.
I blame my inverted nipples and lack of motivation to continue to try for the reason that we didn't exclusively BF, not the epidural. He was very alert after he was born, FWIW.