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KMID : 0356920120630030227
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Korean Journal of Anesthesiology
2012 Volume.63 No. 3 p.227 ~ p.232
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The analgesic effect of ultrasound-guided transverse abdominis plane block after laparoscopic totally extraperitoneal hernia repair
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Kim Mun-Gyu
Kim Soon-Im
Ok Si-Young
Kim Sang-Ho
Lee Se-Jin
Park Sun-Young
Lee Su-Myung
Jung Bo-Il
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Abstract
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Background: The ultrasound-guided transverse abdominis plane block (TAPB) reduces postoperative pain after laparoscopic abdominal surgery. But, its effect post laparoscopic totally extraperitoneal hernia repair (TEP) is not clear. In this study, we evaluated the analgesic effect of ultrasound-guided TAPB in TEP.
Methods: In this prospective, randomized study, forty adult patients (ASA I-II) scheduled for a TEP under general anesthesia were studied. In the TAPB group (n = 20), an ultrasound-guided bilateral TAPB was performed with 0.375% ropivacaine 15 ml on each side after the induction of general anesthesia. The control group (n = 20) did not have TAPB performed. Fentanyl 50 μg was repeatedly injected as per the patient’s request in the recovery room. Pain scores at rest and on coughing were assessed postoperatively in the recovery room (20 min, at discharge) and at 4, 8, and 24 hours after surgery.
Results: In the recovery room, pain scores (numeric rating scale, 0-10) at postoperative 20 min were lower in the TAPB group (3.9 ± 1.6, 4.9 ± 1.8) than the control group (6.9 ± 1.6, 8.0 ± 1.6) at rest and on coughing. Also, pain scores upon discharge from the recovery room were lower in the TAPB group (3.2 ± 1.2, 4.2 ± 1.5) than the control group (5.3 ± 1.6, 6.5 ± 1.8) at rest and on coughing.
Conclusions: The ultrasound-guided TAPB in patients that had undergone TEP reduced postoperative pain scores and the fentanyl requirement in the recovery room. Also, pain scores on coughing were reduced until postoperative 8 hours.
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KEYWORD
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Herniorrhaphy, Laparoscopy, Ropivacaine, Transverse abdominis plane block, Ultrasonography
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