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).
Objective: The purpose of this study was to assess the safety and short-term efficacy of orbital atherectomy for chronic infrapopliteal arterial occlusive disease. Background: Infrapopliteal occlusive disease is a common cause of critical limb ischemia and claudication. There are no American College of Cardiology/American Heart Association guidelines for infrapopliteal revascularization for chronic limb ischemia. Methods: One hundred twenty four patients (201 stenoses) were enrolled in a prospective non-randomized multicenter registry of orbital atherectomy for severe infrapopliteal disease. Data were collected as part of an investigational device exemption from the Food and Drug Administration. Results: The primary safety endpoint of major adverse events (MAE) at 30-days (death, myocardial infarction, amputation, or repeat revascularization) was observed in four patients (3.2%). The primary efficacy endpoint (final diameter stenosis) was 17.8 6 13.5%. The secondary endpoints of procedural success (final diameter stenosis 30%) and 6 month MAE (death, amputation, or target vessel revascularization) were observed in 90.1 and 10.4% of patients, respectively. Stand-alone atherectomy was performed in 116 lesions (57.4%). At 6-months, no patients required surgical bypass or unplanned amputation, and improvement in Rutherford ordinal scale was observed in 78.2% of patients. Conclusions: Orbital atherectomy is a unique approach to infrapopliteal disease, and provides predictable and safe lumen enlargement. Short-term data demonstrate substantial symptomatic improvement and infrequent need for further revascularization or amputation. '
The data validate the safety and efficacy of the investigational device, with a high clinical success rate and 12-month data indicating freedom from reintervention in the majority of patients treated.
The Benephit system and TRT during coronary and endovascular procedures in patients at high risk for renal failure is simple to use and safe. With the infusion of intrarenal fenoldopam, the incidence of CIN was significantly lower than predicted by risk score calculations.
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