https://www.healthcare.uiowa.edu/familymedicine/fpinfo/Docs/Chest%20Rx%20VTE%20Feb%202016.pdf

Antithrombotic Therapy for VTE Disease: CHEST Guideline and Expert Panel Report

Guidelines summarize and evaluate available evidence with the aim of assisting health professionals in proposing the best management strategies for an individual patient with a given condition. Guidelines and their recommendations should facilitate decision making of health professionals in their daily practice. However, the final decisions concerning an individual patient must be made by the responsible health professional(s) in consultation with the patient and caregiver as appropriate.

/pdf/2019-esc-guidelines-for-the-diagnosis-and-management-of-4aacwvv1mo.pdf

2019 ESC Guidelines for the diagnosis and management of acute pulmonary embolism developed in collaboration with the European respiratory society (ERS)

New @ESCardio Guidelines for the Diagnosis and Management of Acute #PulmonaryEmbolism developed in collaboration with @EuroRespSoc now available: #cardiotwitter @erspublicationshttp://bit.ly/2HnrJaj

https://erj.ersjournals.com/content/erj/early/2019/08/29/13993003.01647-2019.full.pdf

2019 ESC Guidelines for the diagnosis and management of acute pulmonary embolism developed in collaboration with the European Respiratory Society (ERS) : The Task Force for the diagnosis and management of acute pulmonary embolism of the European Society of Cardiology (ESC)

Deep vein thrombosis (DVT) and, therefore, pulmonary embolism (PE) are often preventable. Because of the lack of specificity of symptoms and signs, DVT and PE are frequently clinically unsuspected, leading to substantial diagnostic and therapeutic delays and resulting in considerable morbidity and mortality. Furthermore, prophylaxis continues to be dramatically underused. The incidence of venous thromboembolism is high in hospitalized patients, and both surgical as well as medical patients are at risk.

https://www.nejm.org/doi/pdf/10.1056/NEJMra072753

Acute pulmonary embolism.

Antithrombotic Therapy for VTE Disease: Second Update of the CHEST Guideline and Expert Panel Report.

Objectives This study conducted a prospective, single-arm, multicenter trial to evaluate the safety and efficacy of ultrasound-facilitated, catheter-directed, low-dose fibrinolysis, using the EkoSonic Endovascular System (EKOS, Bothell, Washington). Background Systemic fibrinolysis for acute pulmonary embolism (PE) reduces cardiovascular collapse but causes hemorrhagic stroke at a rate exceeding 2%. Methods Eligible patients had a proximal PE and a right ventricular (RV)-to-left ventricular (LV) diameter ratio ≥0.9 on chest computed tomography (CT). We included 150 patients with acute massive (n = 31) or submassive (n = 119) PE. We used 24 mg of tissue-plasminogen activator (t-PA) administered either as 1 mg/h for 24 h with a unilateral catheter or 1 mg/h/catheter for 12 h with bilateral catheters. The primary safety outcome was major bleeding within 72 h of procedure initiation. The primary efficacy outcome was the change in the chest CT–measured RV/LV diameter ratio within 48 h of procedure initiation. Results Mean RV/LV diameter ratio decreased from baseline to 48 h post-procedure (1.55 vs. 1.13; mean difference, −0.42; p  Conclusions Ultrasound-facilitated, catheter-directed, low-dose fibrinolysis decreased RV dilation, reduced pulmonary hypertension, decreased anatomic thrombus burden, and minimized intracranial hemorrhage in patients with acute massive and submassive PE. (A Prospective, Single-arm, Multi-center Trial of EkoSonic® Endovascular System and Activase for Treatment of Acute Pulmonary Embolism (PE) [SEATTLE II]; NCT01513759 )

A Prospective, Single-Arm, Multicenter Trial of Ultrasound-Facilitated, Catheter-Directed, Low-Dose Fibrinolysis for Acute Massive and Submassive Pulmonary Embolism: The SEATTLE II Study.

Transcaval embolization as the preferred approach

Objective We sought to assess the early success and safety of catheter-directed, ultrasound-assisted (CDUA) thrombolysis for acute pulmonary embolism (PE) in patients deemed to be “high risk” for thrombolytic therapy. Methods A retrospective evaluation of patients who underwent CDUA pulmonary thrombolysis in our practice during 39 months is reported. There were 91 patients considered, all of whom presented with acute PE as diagnosed by computed tomography angiography. The ratio of the right ventricle to left ventricle diameter (RVaxial:LVaxial) was noted, as were preprocedure pulmonary artery pressures (PAPs). Demographic data, significant medical history, and procedure details were recorded. Standard thrombolysis protocol was followed (1 mg of tissue plasminogen activator per hour per catheter after an initial 2-mg bolus per catheter). Minitab 17 (Minitab Inc, State College, PA) was used for data analysis. Results There were 91 patients who had a computed tomography diagnosis of acute PE and pulmonary hypertension (PAP >25 mm Hg). Seventeen patients (19%) were deemed to be at high risk for bleeding, predicted by recent hemorrhage, major surgery within 3 weeks, acute myocardial infarction, and cardiac arrest with cardiopulmonary resuscitation within 1 week. The high-risk patients in our study were noted to have higher RV:LV ratios and lower oxygen saturations on admission (P  Conclusions CDUA thrombolysis for acute PE effectively reduced mean PAPs. Given the low incidence of major bleeding complications, even in those deemed to be clinically at high risk for bleeding, we additionally conclude that this procedure can be performed safely. Although larger studies with longer follow-up are necessary, CDUA pulmonary thrombolysis for the management of acute submassive PE appears to be effective in decreasing right-sided heart strain and can be performed with an acceptable risk profile.

Catheter-directed, ultrasound-assisted thrombolysis is a safe and effective treatment for pulmonary embolism, even in high-risk patients.

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A Prospective, Single-Arm, Multicenter Trial of Ultrasound-Facilitated, Catheter-Directed, Low-Dose Fibrinolysis for Acute Massive and Submassive Pulmonary Embolism: The SEATTLE II Study.

Transcaval embolization as the preferred approach

Catheter-directed, ultrasound-assisted thrombolysis is a safe and effective treatment for pulmonary embolism, even in high-risk patients.