coronary heart disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria: (1) 18-80 years old, male or female; (2) STEMI was diagnosed according to the typical symptoms of persistent angina pectoris, ECG and troponin I (2 or more of the three criteria were positive); (3) The family members signed for emergency PCI treatment; (4) Coronary angiography showed complete or subtotal occlusion of the coronary artery, and the TIMI thrombus grade was greater than or equal to 4 points after the guide wire and 2.0mm balloon passed through the target vessel segment (TIMI thrombus score standard: 0, no thrombus); 1 point, blurred thrombus shadow; The length of thrombus was less than 1/2 and 3 of the normal vessel diameter. The length of thrombus was between 1/2 and 2 times of the vessel diameter; 4 points, the confirmed thrombus, with a length greater than 2 times the inner diameter of the blood vessel; 5 points, complete vascular occlusion).
Exclusion criteria
Exclusion criteria: Exclusion criteria: (1) hemoglobin was less than 120g/L in males and less than 120g/L in females; (2) History of cerebral hemorrhage or gastrointestinal hemorrhage in recent 3 months; (3) ALT was more than 2 times the upper limit of normal value or CCR was more than 3mg/dl; (4) Previously known allergy to tirofiban; (5) During pregnancy or lactation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Index of microcirculation resistance; | — |
Countries
China
Contacts
Zhoupu Hospital, Pudong New Area, Shanghai