Author Affiliations: Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago,
The study by Anderson and colleagues1 in this issue of JAMA convincingly demonstrates that computed tomographic pulmonary angiography (CTPA) is not inferior to ventilation-perfusion (/) lung scanning for the exclusion of pulmonary embolism (PE). Confirmation on this point is comforting because CTPA has had a wide range of sensitivities reported for detection of PE2 but nevertheless has largely supplanted /scanning for several years for this purpose.3
Glassroth J. Imaging of Pulmonary Embolism: Too Much of a Good Thing? JAMA. 2007;298(23):2788–2789. doi:10.1001/jama.298.23.2788
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