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  • Title: Interventional Therapy for Pulmonary Embolism.
    Author: Lumsden AB, Suarez E.
    Journal: Methodist Debakey Cardiovasc J; 2016; 12(4):219-224. PubMed ID: 28289497.
    Abstract:
    Patients with pulmonary embolism (PE) present with highly variable clinical symptoms and often have accompanying comorbidities. Timely diagnosis and treatment are critical to help prevent recurrence and increased morbidity/mortality. While open surgical thrombectomy was once reserved only for those with massive PE and hemodynamic compromise, it has been reevaluated with a focus on careful patient selection and early intervention. Lately, there has been increased interest in catheter-based interventions and in combining these with an open surgical component to decrease the magnitude of the intervention-for example, direct placement of large-bore thrombectomy devices directly into the right ventricle via sternotomy or subxiphoid approaches. In addition, improved diagnostic capabilities have allowed for expedited diagnosis and treatment of patients with life-threatening PE. At our institution, a hybrid room allows patients suspected of having a massive or submassive PE to undergo on-table contrast-enhanced cone-beam computed tomography scan, thus creating a high-resolution 3-dimensional image of the arterial system that can provide immediate guidance for therapeutic intervention. This review highlights the array of therapeutic options currently used in our armamentarium at the Houston Methodist DeBakey Heart & Vascular Center and describes our development of a pulmonary angioplasty procedure that we believe will greatly facilitate selective thrombus removal in the acute PE setting.
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