Tag Archive for: Wells’

The YEARS Study – Simplified Diagnostic Approach to PE

28 Sep
September 28, 2017

Background: The clinical diagnosis of pulmonary embolism (PE) can be challenging given its variable presentation, requiring dependence on objective testing. Decision instruments such as PERC and the Wells’ score help stratify patients to low or high probability, enabling focused use of CT pulmonary angiography (CTPA) for diagnosis. However, despite these algorithms, there is evidence of increasing use of CTPA along with diminishing diagnostic rate (less than 10%). This combination results in the overdiagnosis of subsegmental PEs, unnecessary exposure to radiation, false positive results and the potential for contrast-induced nephropathy. The YEARS study aims to present a simplified algorithm for evaluation with a two-tiered D-dimer threshold to reduce the numbers of CTPA in all age groups. Read more →

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