期刊
AMERICAN JOURNAL OF EMERGENCY MEDICINE
卷 64, 期 -, 页码 8-11出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.ajem.2022.11.006
关键词
Pulmonary embolism; Heart failure; Computed tomography pulmonary; angiography; Emergency department
There is limited evidence on the impact of pre-existing heart failure (HF) on the diagnostic yield of pulmonary embolism (PE) evaluation in the Emergency Department (ED). This study found that patients with pre-existing HF had a lower incidence of PE on computed tomography pulmonary angiogram (CTPA) compared to patients without HF.
Introduction: There is limited evidence regarding the effects of a pre-existing heart failure (HF) on the diagnostic yield of pulmonary embolism (PE) evaluation in the Emergency Department (ED). Methods: Electronic medical record of consecutive adults who underwent a computed tomography pulmonary angiogram (CTPA) in the ED at Loma Linda University Medical Center between June 1, 2019 and March 25, 2022 were reviewed. Repeat studies for the same patient and patients with unspecified HF diagnoses or isolated right ventricular HF were excluded. Key demographics, lab values and vital signs, relevant medications were collected. Primary outcome was the incidence of PE on CTPA compared between patients with and without pre-existing HF.Results: A total of 2846 patients were included in the study (602 patients with HF and 2244 without). In total co-hort, 11.7% (n = 334) of patients had PE found on CTPA. The incidence of PE on CTPA was lower among patients with a history of HF than patients without a history of HF (12.5% vs 9%). A history of pre-existing HF was associ-ated with a lower odds ratio for a positive PE study (OR 0.13, 95%CI: 0.03-0.57) in multivariable analyses.Conclusions: In this study, we observed that the incidence of PE among patients who undergo CTPA was lower among patients with pre-existing HF compared to those without. Further studies should determine if HF is an important mitigating factor when risk stratifying patients for PE.(c) 2022 Elsevier Inc. All rights reserved.
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