The American journal of medicine
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There are no randomized controlled trials of thrombolytic therapy, pulmonary embolectomy, or inferior vena cava (IVC) filters in patients with unstable pulmonary embolism (those in shock or on ventilator support). Yet, there are many investigations of these treatments based on retrospective cohort studies using administrative data from large government and commercial databases. Extensive data from these cohort studies showed that thrombolytic therapy resulted in the lowest in-hospital all-cause mortality. ⋯ In fact, IVC filters decreased in-hospital all-cause mortality with anticoagulants alone or with pulmonary embolectomy as well as thrombolytic therapy in adults of all ages with unstable pulmonary embolism. The IVC filters reduced mortality only if inserted on the day of admission or the next day, while the patients were unstable and in a fragile condition. We conclude that the best treatment for patients with unstable pulmonary embolism is thrombolytic therapy combined with an IVC filter inserted during the period of fragility, while the patient is unstable, and this treatment is indicated in all unstable patients irrespective of age.
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Catheter-directed therapy (CDT) offers an alternative treatment to systemic thrombolysis for patients with massive and submassive pulmonary embolism. ⋯ CDT for acute massive and submassive pulmonary embolism significantly improves RV/LV ratio at 24-48 hours compared with anticoagulation alone and may lower hospital readmission rates. CDT may be more advantageous in patients with mild to moderate RV dilation.
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Few data exist on the potential utility of a cardiac point-of-care ultrasound (POCUS) examination in the outpatient setting to assist diagnosis of significant cardiac disease. Using a retrospective sequential cohort design, we sought to derive and then validate a POCUS examination for cardiac application and model its potential use for prognostication and cost-effective echo referral. ⋯ A quick-look sign for left atrial enlargement is associated with 5-year mortality and could function as an easily obtained outpatient POCUS examination to help in identifying patients in need of echo referral.