Coronary artery disease is associated with an increased mortality rate following video-assisted thoracoscopic lobectomy

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Abstract

Objective:

To compare the incidence of major adverse cardiac events (MACE) and mortality following video-assisted thoracoscopic surgery (VATS) lobectomy in patients with and without coronary artery disease (CAD).

Methods:

Multicentre retrospective analysis of 1699 patients undergoing VATS lobectomy (January 2012-March 2015). CAD definition: previous acute myocardial infarct (AMI), angina, percutaneous coronary intervention (PCI) or coronary artery bypass graft (CABG). MACE definition: postoperative acute myocardial ischemia, cardiac arrest or any cardiac death. Propensity score analysis was performed to match patients with and without CAD. Outcomes of the 2 matched groups were compared.

Results:

The incidence of MACE and mortality for the entire population was 0.4% (7 patients) and 1.7% (29 patients); 218 patients (13%) had a history of CAD: 106 previous AMI, 55 angina, 32 CABG, and 81 PCI. The propensity score yielded 2 well-balanced groups of 218 pairs with and without CAD. MACE (CAD 2 [0.9%] vs no-CAD 1 [0.5%]; P = 1), cardiovascular and pulmonary complications (CAD 61 [28%] vs no-CAD 51 [23%]; P = .3) and postoperative stay (CAD 7.3 days vs no-CAD 6.2 days; P = .3) were not different between the groups. The incidence of atrial fibrillation (CAD 31 [14%] vs no-CAD 18 [8.2%]; P = .07), 30-day mortality (CAD: 11 [5%] vs no-CAD 2 [0.9%]; P = .02) and death among complicated patients (CAD 18% vs no-CAD 3.9%; P = .009) were higher in the CAD group.

Conclusions:

The incidence of MACE following VATS lobectomy in patients with CAD is low and similar to patients without CAD. However, their risk of postoperative mortality is fivefold higher compared with non-CAD patients, warranting refined preoperative functional evaluation and more intense postoperative monitoring.

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