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document
Bilateral transversus abdominis plane block does not decrease postoperative pain after laparoscopic cholecystectomy when compared with local anesthetic infiltration of trocar insertion sites . BACKGROUND AND OBJECTIVES Transversus abdominis plane ( TAP ) block has been shown to reduce pain and analgesic requirements after abdominal surgery . Our hypothesis was that bilateral TAP blocks decrease pain after laparoscopic cholecystectomy when compared with local anesthetic infiltration of trocar insertion sites . METHODS Eighty patients undergoing laparoscopic cholecystectomy were randomized to receive either bilateral TAP blocks or local anesthetic infiltration of trocar insertion sites with ropivacaine 0.5 % . Postoperative pain scores and analgesic use for the first 24 hrs were recorded . RESULTS Eighty patients were enrolled in the study . After exclusions , data were analyzed on 39 patients in group T ( bilateral TAP block ) and 35 patients in group I ( infiltration ) . There was no statistically significant difference in pain scores on the numeric analog scale ( 0-10 ) between the groups at 4 hrs after surgery ( P = 0.18 ) or during the 24 hrs after surgery ( P = 0.23 ) . The time interval from anesthesia start to surgery start was greater in group T than group I ( 48 vs 35 mins , P < 0.001 ) . There was no significant difference found in analgesic use during the first 24 hrs after surgery . CONCLUSIONS Bilateral ultrasound-guided TAP block is equivalent to local anesthetic infiltration of trocar insertion sites for overall postoperative pain in a heterogeneous group of patients undergoing laparoscopic cholecystectomy .
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Intervention_Pharmacological
Bilateral transversus abdominis plane block
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Intervention_Pharmacological
local anesthetic infiltration of trocar insertion sites
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Intervention_Pharmacological
Transversus abdominis plane ( TAP ) block
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Intervention_Pharmacological
bilateral TAP blocks
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Intervention_Pharmacological
local anesthetic infiltration
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Intervention_Pharmacological
bilateral TAP blocks
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Intervention_Pharmacological
local anesthetic infiltration of trocar insertion sites with ropivacaine 0.5 %
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Intervention_Pharmacological
TAP block
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Intervention_Pharmacological
Bilateral ultrasound-guided TAP block
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Intervention_Pharmacological
local anesthetic infiltration
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Outcome_Pain
Postoperative pain
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Outcome_Physical
statistically significant difference
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Outcome_Pain
pain scores on the numeric analog scale
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Outcome_Other
time interval from anesthesia start to surgery start
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Outcome_Physical
significant difference
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Outcome_Other
analgesic use
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Outcome_Pain
postoperative pain
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Participant_Sample-size
Eighty patients
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Participant_Condition
laparoscopic cholecystectomy
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Participant_Sample-size
Eighty patients