Transversus abdominis plane block (TAP block) is a new regional block for abdominal wall.It had been reported the effect of post-operative pain control in minor abdominal surgery, such as inguinal hernia repair and appendectomy. On the other hand, because of the accurate of the pre-operative images, the minimal laparotomy for colon cancer was accomplished. Thus, the purpose of this study is to investigate the effect, such as analgesic effect, hemodynamic stability, and post-operative morphine consumption, of TAP block in minimal laparotomy.
outcome measures: * Hemodynamic parameters (mean artery pressure, heart rate): recorded at time points of before induction of general anesthesia (baseline), after tracheal intubation immediately, after surgery started 1, 2, 3, 4, 5, 10, 15, 20, 25, and 30 min; then recorded them every 10 mins. * Post-operative morphine consumption: recorded morphine consumption at the time intervals of post-operative 0\~6 h, 6\~12 h, 12\~24 h, 24\~36 h, and 36\~48 h ,respectively. The total amount of morphine consumption was also counted.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
60
TAP BLOCK: dosage form: 0.5% bupivacaine 75mg with 2% xylocaine 300 mg mixed dosage: total 30 ml frequency: single shot duration: 12\~18 hours upon to the regional anesthetics choose
department of anesthesia, Kaohsiung medical university memorial hospital
Kaohsiung City, Kaohsiung, Taiwan
RECRUITINGamount of post-operative morphine consumption
Time frame: post-operative 48 hours
evaluation of post-operative pain status using visual analog scale (VAS) and superimposed face pain severity scale
Time frame: post-operative 48 hours
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