Nefopam will be administered to the patients undergoing laparoscopic gastrectomy under the total intravenous anesthesia (TIVA). The investigators will evaluate whether the nefopam can decrease the total amount of remifentanil administered during the operation, which will reduce the acute opioid tolerance and following consumption of fentanyl during postoperative period.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
78
Seoul National University Bundang Hospital
Seongnam-si, Gyeonggi-do, South Korea
Change of the administered fentanyl dose from postoperative 6 h to postoperative 5 day
Time frame: postoperative 6 h, postoperative 1 day, postoperative 2 day, postoperative 3 day, postoperative 5 day
Change of the pain score from postoperative 6 h to postoperative 5 day
Time frame: postoperative 6 h, postoperative 1 day, postoperative 2 day, postoperative 3 day, postoperative 5 day
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