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KMID : 1037220210270010018
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Archives of Aesthetic Plastic Surgery
2021 Volume.27 No. 1 p.18 ~ p.22
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The analgesic efficacy of preoperative ultrasound-guided transversus abdominis plane block in fat harvesting from the lower abdomen under local anesthesia: A preliminary case series
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Kim Seung-Min
Yoo Hyo-Kyung
Kim Byung-Jun
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Abstract
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Background: Small-volume liposuction can be performed under local anesthesia, but intolerable pain usually occurs during the perioperative period. This study evaluated the analgesic effect of ultrasound-guided transverse abdominis plane (TAP) block prior to harvesting a small volume of fat from the lower abdomen under local anesthesia and to demonstrate the safety and efficacy of this technique.
Methods: Eight patients who participated in a clinical trial of injecting autologous adipose-derived stromal cells obtained from small-volume liposuction of the lower abdomen from May 2020 to July 2020 were included in this study. Ultrasound-guided TAP block was performed 30 minutes before the main procedure. A total of 15 mL of a mixture of 2% lidocaine (20 mL) and normal saline (10 mL) was injected into the fascia layer between the internal oblique muscle and transverse abdominis muscle. Subjective pain was evaluated through questionnaires by a verbal numerical rating scale (VNRS) at the time of tumescent infiltration and 1, 2, 4, and 6 hours after the operation.
Results: The median time required for TAP block was 14 minutes (range, 10?21 minutes). The median VNRS score was 3.0 at the time of tumescent solution infiltration, 1.5 at postoperative 1 hour and 2 hours, and 2.0 at postoperative 4 and 6 hours. No complications occurred in relation to the TAP block procedure, including infection, inflammation, hematoma, nerve palsy, or bowel perforation.
Conclusions: Ultrasound-guided TAP block prior to small-volume liposuction of the lower abdomen was confirmed to be a safe and effective technique for perioperative analgesia.
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KEYWORD
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Transverse abdominis plane, Liposuction, Local anesthesia
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