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Epigenetics of chronic pain after thoracic surgery

Mauck, Matthewa; Van de Ven, Thomasb; Shaw, Andrew D.b

Current Opinion in Anaesthesiology: February 2014 - Volume 27 - Issue 1 - p 1–5
doi: 10.1097/ACO.0000000000000030
THORACIC ANESTHESIA: Edited by Wanda M. Popescu

Purpose of review: Chronic pain after surgery is a major public health problem and a major concern for perioperative physicians. Thoracic surgery presents a unique challenge, as thoracotomy is among the highest risk surgeries to develop persistent postsurgical pain. The purpose of this review is to discuss the relevance of research in pain epigenetics to patients with persistent pain after thoracic surgery.

Recent findings: Recent advances have linked chronic pain states to genetic and epigenetic changes. Progress in our understanding of chronic pain has highlighted the importance of immune modulation of pain. It is possible that epigenetic changes driving chronic pain occur in the perioperative setting via histone modification and DNA methylation.

Summary: The transition from acute to chronic pain after thoracic surgery may be mediated by epigenetics. Here, we discuss epigenetic modifications that have been discovered in animal models of chronic pain that may predispose patients to persistent neuropathic pain after thoracic surgery.

aDepartment of Anesthesiology, Duke University Medical Center

bDepartment of Anesthesiology, Durham VA Medical Center, Duke University Medical Center, Durham, North Carolina, USA

Correspondence to Andrew D. Shaw, MB, FRCA, FFICM, FCCM, Department of Anesthesiology, Duke University Medical Center, Durham VA Medical Center, Durham, North Carolina, 508 Fulton Street, 112 C, Durham, North Carolina 27705, USA. Tel: +1 919 286 6938; fax: +1 919 286 6853; e-mail: andrew.shaw@duke.edu

© 2014 Lippincott Williams & Wilkins, Inc.