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Thrombus Aspiration Before Primary Angioplasty Improves Myocardial Reperfusion in Acute Myocardial Infarction

The DEAR-MI (Dethrombosis to Enhance Acute Reperfusion in Myocardial Infarction) Study

Pedro Silva-Orrego, MD^_*,_*, Paola Colombo, MD, PhD^_*, Riccardo Bigi, MD, Dario Gregori, MA, PhD, Anabella Delgado, MD^_*, Paolo Salvade, MD^_*, Jacopo Oreglia, MD^_*, Paola Orrico, RN^_*, Anna de Biase, MD^_*, Giacomo Piccalò, MD^_*, Irene Bossi, MD^_* and Silvio Klugmann, MD^_*

^_* Interventional Cardiology, A. De Gasperis Department, Niguarda Hospital, Milan, Italy
Cardiology, Department of Medicine and Surgery, University School of Medicine, Milan, Italy
Department of Public Health and Microbiology, University of Turin, Turin, Italy

View larger version (79K): [in a new window]   Figure 1 The dual-lumen extraction catheter (Pronto) with the proximal locking vacuum syringe (A) and the tip of the device (B); see text for explanations.

View larger version (65K): [in a new window]   Figure 2 Coronary angiogram in acute anterior myocardial infarction. The basal angiogram (A) shows total occlusion of the left anterior descending artery (LAD) with thrombus image bulging into the left main artery (arrow). After thrombus removal (B and C), the culprit lesion (arrowheads) is observed in the mid-LAD more than 20 mm distal to the original occlusion site.