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Papers of the Week

2019 Sep

Pain Physician



Transition from Acute to Chronic Pain: Evaluating Risk for Chronic Postsurgical Pain.


Fregoso G, Wang A, Tseng K, Wang J
Pain Physician. 2019 Sep; 22(5):479-488.
PMID: 31561647.


The pathophysiology of pain involves complex nervous system interactions after initial noxious stimuli. When stimuli persist, biochemical and structural changes occur in the nociceptive pathways of the central and peripheral nervous systems, leading to pain sensitization. Peripheral and central sensitization are key in the transition from acute to chronic pain. This development of chronic pain is particularly common following various surgical procedures, with many postsurgical patients experiencing persistent pain for significant periods. Chronic pain is a common and severe complication of surgery, and preventing its development is tantamount in improving patient outcomes.