Multiple coronary stenting negatively affects myocardial recovery after coronary bypass grafting

General Thoracic and Cardiovascular Surgery
Shin YajimaYoshiki Sawa

Abstract

We aimed to elucidate the relationship between the magnitude of myocardial recovery after coronary artery bypass grafting (CABG) and the prognosis and to explore the predictors of myocardial non-recovery. Eighty-one patients with a preoperative left ventricular ejection fraction (LVEF) ≤ 40% who underwent isolated CABG between 2002 and 2015 and had undergone echocardiographic follow-up (median follow-up, 3.1 years; interquartile range 1.2-6.0 years) were analyzed. The Recovery group comprised patients with LVEF improvement ≥ 10%, whereas the Non-recovery group comprised those with an LVEF improvement < 10%. Group differences in overall survival, freedom from major adverse cardiac events (MACEs), and readmission due to heart failure were evaluated. In addition, the risk factors for LVEF non-recovery were evaluated in a multivariate analysis. A total of 39 patients (48%) were in the Recovery group, whereas 42 patients (52%) were in the Non-recovery group. Although the survival and freedom from MACE rates were comparable, the rate of freedom from heart failure requiring hospitalization at 1, 5, and 8 years of follow-up was significantly lower in the Non-recovery group than in the Recovery group (p = 0.012). A history of percutaneo...Continue Reading

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Citations

Jul 24, 2021·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Michihito NonakaTakehiko Matsuo

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