Journal
JACC-HEART FAILURE
Volume 11, Issue 8, Pages 903-914Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jchf.2023.04.007
Keywords
KEY WORDS cardiac intensive care; pulmonary artery catheter; shock
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This study aimed to explore the current use of PACs in cardiac intensive care units and investigate the factors influencing their use. The study found that mechanical circulatory support and heart failure were the most influential patient-level factors for PAC use. There was significant variation in the proportion of PAC use among different study centers, and the use of PACs was associated with higher survival in cardiac patients with shock.
BACKGROUND The appropriate use of pulmonary artery catheters (PACs) in critically ill cardiac patients remains debated.OBJECTIVES The authors aimed to characterize the current use of PACs in cardiac intensive care units (CICUs) with attention to patient-level and institutional factors influencing their application and explore the association with in -hospital mortalityMETHODS The Critical Care Cardiology Trials Network is a multicenter network of CICUs in North America. Between 2017 and 2021, participating centers contributed annual 2-month snapshots of consecutive CICU admissions. Admission diagnoses, clinical and demographic data, use of PACs, and in-hospital mortality were captured.RESULTS Among 13,618 admissions at 34 sites, 3,827 were diagnosed with shock, with 2,583 of cardiogenic etiology. The use of mechanical circulatory support and heart failure were the patient-level factors most strongly associated with a greater likelihood of the use of a PAC (OR: 5.99 [95% CI: 5.15-6.98]; P < 0.001 and OR: 3.33 [95% CI: 2.91-3.81]; P < 0.001, respectively). The proportion of shock admissions with a PAC varied significantly by study center ranging from 8% to 73%. In analyses adjusted for factors associated with their placement, PAC use was associated with lower mortality in all shock patients admitted to a CICU (OR: 0.79 [95% CI: 0.66-0.96]; P 1/4 0.017).CONCLUSIONS There is wide variation in the use of PACs that is not fully explained by patient level-factors and appears driven in part by institutional tendency. PAC use was associated with higher survival in cardiac patients with shock presenting to CICUs. Randomized trials are needed to guide the appropriate use of PACs in cardiac critical care.
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