multicenter, nonrandomized, prospective study of pulmonary embolism removal with the angiojet 6f ultra system

Conditions: Pulmonary Embolism

Summary: the purpose of this european post market follow-up plan is designed to evaluate the safety, efficacy, adverse events and any new information that may surface regarding the use of the angiojet ultra pe thrombectomy catheter system in patients with thrombus in the main pulmonary and lobar arteries ≥ 6mm in diameter.

despite advances in prophylaxis, diagnostic modalities, and therapeutic options, pulmonary embolism remains a commonly under diagnosed and lethal entity. in the united states approximately 150,000 patients per year are diagnosed with acute pulmonary embolisms. many additional deaths occur each year in the united states as a result of undiagnosed massive pulmonary embolisms. taking these patients into account, it is thought that up to 600,000 patients develop a pulmonary embolism annually in this country. in patients with acute pulmonary embolism, the most common cause of early death is right ventricular failure. in addition to anticoagulation therapy, several reperfusion therapies are being used to reverse right ventricular failure: systemic thrombolysis, surgical embolectomy, and catheter based therapy. given the drawbacks of systemic thrombolytic therapy or surgical embolectomy, percutaneous catheter treatment is a reasonable alternative for patients with contraindications to systemic thrombolytic therapy or surgery. current international consensus guidelines support the use of catheter interventions for selected pulmonary embolism patients at increased risk of adverse clinical outcomes. the angiojet ultra pe thrombectomy catheter introduces a pressurized high velocity saline stream through a catheter tip so that the clot within a blood vessel is trapped, broken into small pieces and aspirated from the body.

Eligibility criteria:
inclusion criteria: 1. symptomatic pulmonary embolism patients \>18 years 2. availability of a baseline contrast-enhanced chest computed tomogram or conventional pulmonary angiogram with evidence of pulmonary embolus in at least one main or lobar pulmonary artery ≥ 6mm in diameter 3. availability of a baseline transthoracic echocardiogram with sufficient image quality permitting the measurement of right ventricular (rv) and left ventricular (lv) dimensions in the apical or subcostal four-chamber view 4. echocardiographic evidence of right ventricular dilatation with a subannular rv/lv ratio ≥ 0.9 from the apical or subcostal four-chamber view 5. appropriate informed consent was obtained from the patient or legal representative exclusion criteria: 1. patient has underwent cardiopulmonary resuscitation (cpr) in the last 48 hours 2. patient is participating in any other clinical study 3. pregnancy, lactation or parturition within the previous 30 days (positive pregnancy test, women of childbearing age must be tested or use a medically accepted method of birth control) 4. inability to comply with study follow-up assessments (e.g. due to geographic) 5. previous enrollment in this study

Keywords: pulmonary embolism acute pulmonary embolism sub-massive pulmonary embolism massive pulmonary embolism pulmonary thromboembolism