Regional Anesthesia and Pain ControlSystematic Review of the Systemic Concentrations of Local Anaesthetic After Transversus Abdominis Plane Block and Rectus Sheath BlockRahiri, J.; Tuhoe, J.; Svirskis, D.; Lightfoot, N. J.; Lirk, P. B.; Hill, A. G. Author Information Department of Surgery, South Auckland Clinical Campus, The University of Auckland, Auckland, New Zealand. Survey of Anesthesiology 61(4):p 107, August 2017. | DOI: 10.1097/SA.0000000000000325 Buy Metrics Abstract (Abstracted from Br J Anaesth, 118(4):517–526, 2017) This systematic review aimed to assess data from clinical trials to determine perioperative local anesthetic (LA) systemic concentrations following single-bolus transversus abdominis plane block (TAPB) or rectus sheath block (RSB) during abdominal surgery in order to improve our understanding of LA absorption and risk of toxicity following these blocks. Copyright © 2017 Wolters Kluwer Health, Inc. All rights reserved.