Transversus abdominis plane (TAP) block has gained popularity for the control of postoperative pain in various surgeries. Three studies showed inconsistent result on pain control after TAP block in laparoscopic cholecystectomy. The TAP technique used in these studies was classic ultrasound guided TAP block. Besides periumbilical incision, sub-xiphoid incision is usually made during laparoscopic cholecystectomy. As typical posterior TAP rarely extend above T8, the investigators undergo subcostal TAP block for this type of surgery. The investigators are going to investigate the effect of subcostal TAP on early postoperative pain after laparoscopic cholecystectomy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
50
Under ultrasound guidance0.375% ropivacaine 10 ml will be injected between rectus abdominis and transverse abdominis and same study solution will be injected at subcostal transversus abdominis plane. This block will be done bilaterally.
Under ultrasound guidance saline 10 ml will be injected between rectus abdominis and transverse abdominis and same study solution will be injected at subcostal transversus abdominis plane. This block will be done bilaterally.
Sang-Hyun Kim
Bucheon-si, Gyeonggi-do, South Korea
RECRUITINGNumerical Rating Scale (NRS) 15 min after entering recovery room
Time frame: 15 min after entering recovery room
Fentanyl consumption at recovery room
Time frame: Up to 3 hours until discharge from recovery room
Recovery room stay
Time frame: Up to 3 hours from entering recovery room to discharge
Incidence of postoperative nausea and vomiting (PONV)
Time frame: Up to 3 hours during recovery room stay
NRS at 4h, 24h, and 48 h after surgery
Time frame: 4h, 24h, and 48 h after surgery
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