SGEM#323: Mama I’m Comin’ Home – For Outpatient Treatment of a Pulmonary Embolism
The Skeptics Guide to Emergency Medicine - Un podcast de Dr. Ken Milne
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Date: March 16th, 2021 Guest Skeptic: Dr. Corey Heitz is an emergency physician in Roanoke, Virginia. He is also the CME editor for Academic Emergency Medicine. Reference: Westafer et al. Outpatient Management of Patients Following Diagnosis of Acute Pulmonary Embolism. AEM March 2021 Case: You are evaluating a 48-year-old female for pleuritic chest pain. She is low risk by Wells Criteria but PERC Rule positive because of an appendectomy last month. Her d-dimer comes back elevated, so you order a CT-PA to evaluate for pulmonary embolism (PE). The radiologist notes a distal sub-segmental PE on the right. The patient has normal vital signs and no comorbidities. Background: Historically most patients with PEs have been admitted to the hospital in the USA. This is in contrast to Canada where papers in the early 2000 demonstrated the safety of out-patient management of PEs (Kovacs). A study from 2010 showed that half of PE patient from one centre in Ontario were safely being treated as outpatients (Kovacs). PE guru, creator of the PERC Rule and Editor-in-Chief of Academic Emergency Medicine, Dr. Jeff Kline, was senior author on a paper that looked at treating VTE with outpatient management using a DOAC (Bean et al AEM 2015). This relatively small study (n=106) reported successfully treating 51% of DVT patients and 27% of PE patients with rivaroxaban (SGEM#126). Literature from the USA reports that 90% of patients diagnosed with PE are admitted (Singer et al 2016). Another study showed less than 10% of PE patients are discharged home from the ED for out-patient therapy (Vinson et al 2017). A couple of international guidelines support the outpatient treatment of ED patients with low-risk PE. This includes the European Cardiology Society (ECS 2019) and the British Thoracic Society (Howard et al 2018). The American College of Emergency Physicians (ACEP) has a clinical policy that addresses this issue (Wolf et al 2018). The ACEP policy give outpatient management of PE patients a Level C recommendation:
