ATS/ERS Guidelines list pulmonary function testing (PFT) within one month of myocardial infarction (MI) as a contraindication, based on expert opinion. This retrospective review of 136 patients undergoing Coronary Artery Bypass Graft (CABG) surgery identified 21 patients who had PFTs despite MI in the preceding month (MI + PFT group). The MI + PFT Group had zero incidence of MI or serious cardiac arrhythmia between PFTs and surgery. Comparison of post-operative outcomes between the MI + PFT Group and all other CABG patients showed no significant differences. In this small sample size, PFTs appear safe within one month of MI.
Keywords: Chronic obstructive pulmonary disease; Pre-operative assessment; Pulmonary function testing; Spirometry.
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