Compared to local anesthetic infiltration of the port site. what was the result of Transversus abdominis plane block with 0.375% ropivacaine  on The 24 h morphine requirement?
At 4 h, none of the patients in the TAP group but seven patients (33.3%) in the control group had moderate to severe pain (VAS >3) at rest (P = 0.009*). At 4 h, eight patients (38.1%) in the TAP group and 15 patients (71.4%) in the control group had moderate to severe pain on coughing (P = 0.03*). At 12 h, six patients (28.5%) in the TAP group and 18 patients (85.7%) in the control group had moderate to severe pain on coughing (P < 0.001*).