Key result
Protocol-driven perioperative CABG management is linked to ~53% lower mortality than predicted in ischemic cardiomyopathy.
Why the study?
To describe experience using a defined protocol for the selection, classification, and treatment of ischemic cardiomyopathy patients undergoing CABG in a nonacademic setting with limited resources.
Does a defined protocol for perioperative management improve mortality and morbidity in patients with ischemic cardiomyopathy undergoing CABG in a community hospital setting compared to predicted outcomes?
Observational (n=25)
No
Does a defined protocol for perioperative management improve mortality and morbidity in patients with ischemic cardiomyopathy undergoing CABG in a community hospital setting compared to predicted outcomes?
A protocol-driven approach for managing high-risk ischemic cardiomyopathy patients undergoing CABG in a community hospital may yield better-than-predicted mortality and morbidity outcomes.
Answers are grounded in this paper and cite their sources.
May support protocol use in community CABG for ischemic cardiomyopathy; hypothesis-generating and requires randomized confirmation.
Background: We describe our experience using a defined protocol for the selection, classification, and treatment of patients with ischemic cardiomyopathy (ICM) undergoing coronary artery bypass grafting (CABG), with or without additional procedures, in a nonacademic setting with expected limited resources and support staff. Methods: From December 2021 to December 2023, 25 patients with an ejection fraction of ≤0.44 due to ICM requiring CABG were assigned to a treatment algorithm based on the preoperative classification for CABG with no device (n = 9), balloon pump (n = 2), or direct centrifugal pump (n = 14) placed in the operating room. Results: Preliminary data of all patients with surgically revascularized ICM using the defined protocol demonstrated a predicted average risk of mortality of 8.455% vs our mortality rate of 4%, whereas the average predicted risk of morbidity and mortality was 27.7%, with our 30-day morbidity and mortality of 24%. Subgroup analysis of the 3 patient categories: moderately depressed, low risk; moderately depressed, high risk; and severely depressed; shows better-than-expected outcomes when compared with predictions. Conclusions: In a community hospital setting, experience using a defined protocol to select and manage patients with ICM undergoing CABG reduced morbidity and mortality compared with predicted outcomes. This is a practical method of managing high-risk CABG patients with the expected limitations of a community hospital.
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Slusarz et al. (2025) conducted an observational in Ischemic cardiomyopathy (n=25). Protocol-driven perioperative management vs. Predicted outcomes was evaluated on Mortality. A defined protocol for perioperative management of ischemic cardiomyopathy patients undergoing CABG yielded a 4% mortality rate compared to an 8.455% predicted average risk.
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