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Ultrasound-guided truncal blocks for perioperative analgesia
Anesth Pain Med 2018;13(2):128-42
Published online April 30, 2018
© 2018 The Korean Society of Anesthesiologists.

Won Uk Koh and Jong Hyuk Lee
Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
Correspondence to: Won Uk Koh, M.D., Ph.D.
Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea
Tel: 82-2-3010-3868
Fax: 82-2-3010-6790
Received March 7, 2018; Revised April 2, 2018; Accepted April 3, 2018.
cc This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
The widespread application of ultrasound in clinical anesthesiology has led to an increase in the number of practitioners performing peripheral nerve blocks of the trunk to produce analgesia and anesthesia for surgeries involving the thorax, abdomen, and lower extremities. The use of real-time ultrasound has allowed the peripheral nerves, planes, and plexuses of the trunk to be located more accurately and has improved the success rate of blocks. Compared to central neuraxial techniques, many types of truncal blocks are relatively easy to perform and have low side effect profiles. As a result, truncal blocks have been introduced to provide perioperative analgesia for surgeries involving the thorax and abdomen. The most frequently used truncal block techniques include the paravertebral block, intercostal block, pectoralis and serratus anterior block, rectus sheath block, transversus abdominis plane block, and ilioinguinal and iliohypogastric nerve blocks. Recently introduced techniques also include the quadratus lumborum and erector spinae plane blocks. To apply each block correctly and reduce the likelihood of related side effects and complications, the practitioner must have a thorough understanding of the anatomical region, optimal block positioning, and device selection and management.
Key Words : Analgesia, Nerve block, Trunk, Ultrasonography.

April 2018, 13 (2)
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