Outcomes
nausea, Respiratory depression, skin pruritus, pain, chills
RESPIRATORY DEPRESSION, RESPIRATORY DEPRESSION
Postoperatively, the investigator collected patient pain level at rest and with movement measured on a visual analog scale (VAS) pain score at 4,8,12,24 h after TAP block. The VAS pain score was from 0 to 10( 0 represent no pain, 0 to 3 represent mild pain and tolerable; 4 to 6 represent moderate pain and tolerable; and 7 to 10 represent severe pain and unbearable pain). Times of analgesic demand on PCA within 12 h after surgery represents opioid consumption and the data of were downloaded from the PCA device.Other outcome included occurrence of side effects within 24 h after anesthesia(including chills, nausea, skin pruritus, and respiratory depression ), and Apgar score at 1 and 5 min of newborns. Respiratory depression was defined as respiratory rate less than 10 or oxygen saturation less than 90%[