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J Cardiopulm Rehabil Prev. 2012 Jan-Feb;32(1):17-24. doi: 10.1097/HCR.0b013e31823be0f4.

Pentraxin-3 predicts functional recovery and 1-year major adverse cardiovascular events after rehabilitation of cardiac surgery patients.

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  • 1Rehabilitative Cardiology, IRCCS S. Maria Nascente, Don Carlo Gnocchi Foundation, Milan Italy.

Abstract

BACKGROUND:

Inflammatory and vascular markers have proved to be predictors of outcome in myocardial infarction and heart failure. We evaluated several circulating markers of cardiac stress, inflammation, and endothelial function to investigate their ability to predict short-term functional recovery and long-term clinical outcome in heart surgery patients undergoing inpatient rehabilitation.

METHODS:

This prospective, multicenter study enrolled 223 patients after heart surgery, included in a 3-week program of standardized and supervised physical training. The association between biomarkers (pentraxin-3 [PTX3], brain natriuretic peptide, high-sensitivity cardiac troponin-T [hs-cTnT] and C-reactive protein [hsCRP], creatine kinase, myoglobin, and urinary albumin excretion [UACR]) and exercise capacity (6-minute walk test, 6MWT) or 1-year incidence of major adverse cardiovascular events (MACE) was tested in models that included biohumoral markers, and clinical and instrumental variables.

RESULTS:

The patients (69.5% men, mean age of 67 ± 11 years) were enrolled after valvular surgery (52.7%) and 58.6% after coronary artery bypass grafting (CABG). Exercise capacity improved during rehabilitation (6MWT distance from 279 ± 95 to 386 ± 91 m; P < .0001); concentrations of most biomarkers decreased (hsCRP: 79% [P < .0001]; hs-cTnT: 57% [P < .0001]; UACR: 36% [P = .05]). Among the tested markers, PTX3 showed the closest association with 6MWT distance (P = .01) and was the only predictor of MACE, also in the subgroup of CABG patients (OR [95% CI] = 1.14 [1.03-1.27]; P = .015).

CONCLUSION:

PTX3, a marker of vascular inflammation and cardiovascular damage, is a predictor of short-term functional recovery and 1-year MACE in patients undergoing rehabilitation after cardiac surgery, regardless of clinical and instrumental parameters.

PMID:
22193930
[PubMed - indexed for MEDLINE]
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