Prevalence of postoperative chronic pain after cardia surgery

Cantero, Chloé; Giordano, Carolina; Matute, P.; Rovira, I.; Carmen, G.

doi:10.1097/00003643-201106001-00623

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“…Estimates of the incidence of CPSP vary widely depending upon the population, the pain measures used and the time-point under consideration. Although the prevalence of CPSP has been reported as high as 52% 6 months following CABG 6 , most report an incidence of approximately 30-40% between 6 and 16 months postoperatively [5][6][7] . Given that almost 500,000 CABG procedures were performed within North America during 2009 8,9 , this translates to a significant number of patients adversely affected by CPSP.…”

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confidence: 99%

Does the speed of sternal retraction during coronary artery bypass graft surgery affect postoperative pain outcomes? A randomized controlled trial protocol

et al. 2021

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Background: Chronic pain is a serious health issue impacting both the quality of life and productivity of patients. Chronic post-sternotomy pain (CPSP) is characterized by numbness, severe tenderness on palpation, allodynia, as well as constant pain across the anterior chest wall that can persist for months to years after sternotomy. All patients experience early post-operative pain following coronary artery bypass graft (CABG); unfortunately, approximately 30-40% of CABG patients subsequently develop CPSP. Methods: The current study is a prospective, double-blinded, randomized controlled trial. A sample size of 316 randomly assigned patients (n=158 per group) will provide an 80% power at a 2-sided α of 0.05 to detect a 40% decrease in CPSP incidence at 6 months. Eligible patients scheduled for elective, primary coronary artery bypass graft surgery will be randomly assigned to the CONTROL group, in which sternal retraction is conducted over 30 seconds (as per standard practice); or the SLOW group, in which sternal retraction is achieved over 15 minutes. Surgical and perioperative anesthesia protocols between the two groups are otherwise the same. Our primary outcome is the incidence of CPSP at 6 months. Secondary outcomes are: CPSP incidence at 3 and 12 months, daily sternal incision pain intensity (numeric rating scale (NRS)) at rest and while coughing, and daily analgesic consumption while in hospital and at 7 days postoperatively; pain quality, quality of life, and pain interference with daily function at 3, 6, and 12 months post-operatively. Discussion: Our randomized controlled trial will determine whether retracting the sternum more slowly for exposure of the heart during CABG surgery will decrease the incidence and/or severity of CPSP. ClinicalTrials.gov registration: NCT02697812 (03/03/2016

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