Measured parameters
cough, pain
SECONDARY, COMPLICATIONS
The total intra-operative fentanyl consumption (µg) was the primary outcome. The use of intraoperative sevoflurane (ml), postoperative fentanyl in the first 24 h (µg), systolic blood pressure, the mean VAS score at rest and with cough (score 0 = no pain and 10 = worst pain ever), any complications involving the block, general anesthesia, and IV opioids were considered secondary outcomes.