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Editorials |

Retro Is the Rage!: Ventilation-Perfusion Scanning Is Alive and Well in the Diagnosis of Pulmonary Embolism

Lisa K. Moores, MD; Writing Group for the Christopher Study Investigators
Author and Funding Information

From the Uniformed Services University of the Health Sciences.

Correspondence to: Lisa K. Moores, MD, Office for Student Affairs, Uniformed Services University of the Health Sciences, Bldg C, Room 1020, 4301 Jones Bridge Rd, Bethesda, MD 20814; e-mail: lmoores@usuhs.mil


Financial/nonfinancial disclosures: The author has reported to CHEST that no potential conflicts of interest exist with any companies/organizations whose products or services may be discussed in this article. The views expressed in this article are those of the author and do not necessarily reflect the official policy or position of the Department of the Army, Department of Defense, or the US Government.

Reproduction of this article is prohibited without written permission from the American College of Chest Physicians (http://www.chestpubs.org/site/misc/reprints.xhtml).


© 2011 American College of Chest Physicians


Chest. 2011;139(6):1264-1266. doi:10.1378/chest.10-3135
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In the past 2 decades, we have seen a changing pattern in the use of CT pulmonary angiography (CTPA) vs lung perfusion scintigraphy (ventilation-perfusion ratio V˙/Q˙  scanning) in the investigation of pulmonary embolism (PE). V˙/Q˙  scanning was the imaging modality of choice, but it has largely been supplanted by CTPA in recent years.1 CTPA has been shown to be accurate and safe when used as part of a diagnostic algorithm for suspected PE.2-5 Further, CTPA can lead to additional diagnoses for patients who do not have PE, can provide prognostic information by focusing on the right ventricle, and is available 24 h a day at most institutions. Thus, CTPA currently is recommended as the primary imaging modality for suspected acute PE.6

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