Vascular Solutions announces positive results from DEAR-MI Pronto catheter study

By Jennifer Chiou

New York, Oct. 17 - Vascular Solutions, Inc. announced Pedro Silva presented what the company described as encouraging final results of the DEAR-MI (Dethrombosis to Enhance Acute Reperfusion in Myocardial Infarction) clinical study at the Transcatheter Cardiovascular Therapeutics meeting in Washington D.C.

"These results indicate that thrombus aspiration with the Pronto catheter before standard PCI in AMI cases is safe and easy to perform and improves myocardial reperfusion as measured by complete ST-segment resolution and improved myocardial blush," Silva said in a news release.

"In the multivariate analysis, thrombus aspiration with the Pronto was determined to be an independent predictor of myocardial reperfusion as measured by both ST resolution and mean blush grade.

"An additional benefit is our increased utilization of direct stenting, a technique that we performed in 70% of the patients in this study and have increased in use as we have gained more experience with this device."

The DEAR-MI clinical study evaluated the use of the Pronto extraction catheter to remove thrombus from patients with ST-elevated acute myocardial infarction admitted within 12 hours of symptom onset.

Patients with cardiogenic shock, previous myocardial infarction or previous thrombolytic therapy were excluded to avoid confounding effects, the company said in the release. The study compared myocardial reperfusion according to ST-segment resolution and myocardial blush grade.

The Minneapolis-based medical device company focuses on interventional radiology and cardiology.

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