Use of Coronary CTA to Triage Patients With Low to Intermediate Risk for CADs in an Acute Care Facility Can Help Lower Healthcare Costs When Compared With the Current Standard of Care: A Retrospective Study.
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Abstract
Acute chest pain is one of the most common reasons for ED visits in the United States. Most patients are eventually admitted to the hospital to "rule out ACS" even when there are no significant EKG abnormalities or elevated cardiac enzymes. In addition to undergoing expensive tests while in the hospital, patients are also exposed to iatrogenic harm thereby worsening the overall healthcare costs. Meanwhile, the use of coronary computed tomography angiography (CTA) as a "gatekeeper" diagnostic test for patients with low to intermediate risk for coronary artery diseases (CADs) has significantly lowered hospital admissions and associated costs. However, coronary CTA may not be helpful for all classes of patients. Therefore, this study seeks to determine if the distribution of patients presenting to the ED with chest pain in an acute care facility will justify an investment in coronary CTA and contribute to lowering healthcare costs. Patients' data between July 2022 and June 2023 were considered in our analysis. Results revealed that a significant number of patients who presented to the ED for chest pain and were subsequently admitted to the hospital for further work-up would have benefited from coronary CTA screening without any need for further inpatient work-up. Also, cost analysis showed that the use of coronary CTA would have helped significantly lower healthcare costs in this facility.