Study of the CAT RX Aspiration Catheter When Used in Patients With Large Occlusive Thrombus in Coronary Arteries

Open to people ages 18 years and up

• Patient age ≥ 18 years
• Patient presents to treating facility within 12 hours of symptom onset
• High thrombus burden at coronary angiography, defined as TIMI thrombus grade 4 or 5 by physician visual estimate after the guidewire crosses the target lesion
• Frontline treatment with the Indigo® Aspiration System using the CAT RX Aspiration Catheter, prior to standard of care PCI
• Target lesion is located in a native coronary artery
• Informed consent is obtained from either patient or legally authorized representative (LAR)

• New onset of stroke symptoms and NIHSS > 2, prior to index procedure
• Treatment with fibrinolytic therapy for index coronary vessel occlusion
• Life expectancy less than 6 months due to any comorbidities
• Patient is unwilling or unable to comply with protocol follow up schedule and/or based on the Investigator's judgment the patient is not a good study candidate
• Participation in another investigational drug or device study that may confound the results of this study. Studies requiring extended follow-up for products that were investigational but have since become commercially available are not considered investigational studies.
• Patient is pregnant