Assessment of Lumen Expansion After Thrombus Extraction in Primary Percutaneous Coronary Intervention

"There is a single arm in the study where all patients are undergoing primary percutaneous coronary intervention for an acute myocardial infarction.~All patients will have an Intravascular Ultrasound three times:~1. At baseline~2. After thrombus aspiration with a thrombus extraction catheter~3. After stent deployment~We are however assessing the physiological response of patients having an acute myocardial infarction and this is not a test of the devices as such."