Imaging of suspected pulmonary embolism and deep venous thrombosis in obese patients

The British Journal of Radiology
Vincent CascioDouglas S Katz

Abstract

Obesity is a growing problem around the world, and radiology departments frequently encounter difficulties related to large patient size. Diagnosis and management of suspected venous thromboembolism, in particular deep venous thrombosis (DVT) and pulmonary embolism (PE), are challenging even in some lean patients, and can become even more complicated in the setting of obesity. Many obstacles must be overcome to obtain imaging examinations in obese patients with suspected PE and/or DVT, and to ensure that these examinations are of sufficient quality to diagnose or exclude thromboembolic disease, or to establish an alternative diagnosis. Equipment limitations and technical issues both need to be acknowledged and addressed. Table weight limits and scanner sizes that readily accommodate obese and even morbidly obese patients are not in place at many clinical sites. There are also issues with image quality, which can be substantially compromised. We discuss current understanding of the effects of patient size on imaging in general and, more specifically, on the imaging modalities used for the diagnosis and treatment of DVT and PE. Emphasis will be placed on the technical parameters and protocol nuances, including contrast dosing, wh...Continue Reading

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Citations

Aug 31, 2018·The British Journal of Radiology·Stuart A Taylor, Laura R Carucci
Mar 20, 2019·Intensive Care Medicine·Miet SchetzSamir Jaber
Mar 31, 2021·Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes·Elsie T NguyenCarole Dennie
Aug 9, 2021·Chest·Michaela R Anderson, Michael G S Shashaty

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