acute myocardial infarction
Conditions
Interventions
None listed
Sponsors
Division of Cardiology, Department of Internal Medicine, Iwate Medical University
1) Iwate prefectural Chubu hospital 2) Iwate prefectural Iwai hospital 3) DIwate prefectural Isawa hospital 4) Iwate prefectural Ofunato hospital 5) Iwate prefectural Miyako hospital 6) Iwate prefectural Ninohe hospital 7) Japanese Red Cross Morioka Hospital 8) Iwate prefectural Kuji hospital 9) Iwate prefectural Kamaishi hospital 10) Iwate prefectural Chuo hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients who were hospitalized to major 11 hospitals in Iwate prefecture for acute myocardial infarction met the third universal definition (the details are listed below) between October 1, 2014 and December 31, 2018. (1) Within 4 weeks of onset and meet under these conditions any one of the following criteria meets the diagnosis for MI: (2) Detection of a rise and/or fall of cardiac biomarker values [preferably cardiac troponin (cTn)] with at least one value above the 99th percentile upper reference limit (URL) and with at least one of the following: i) Symptoms of ischemia. ii) New or presumed new significant ST-segment-T wave (ST-T) changes or new left bundle branch block (LBBB). iii) Development of pathological Q waves in the ECG. iv) Imaging evidence of new loss of viable myocardium or new regional wall motion abnormality. v) Identification of an intracoronary thrombus by angiography or autopsy. vi) Cardiac death with symptoms suggestive of myocardial ischemia and presumed new ischemic ECG changes or new LBBB, but death occurred before cardiac biomarkers were obtained, or before cardiac biomarker values would be increased.
Exclusion criteria
Exclusion criteria: 1) The patients were excluded who were admitted to the hospital with a diagnosis of acute myocardial infarction, but the final diagnosis on discharge were unstable angina pectoris, myocarditis or takotsubo cardiomyopathy. 2) Percutaneous coronary intervention or coronary artery bypass grafting related MI.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| In-hospital mortality | — |
Secondary
| Measure | Time frame |
|---|---|
| (1) The treatments of acute myocardial infarction (door to balloon time in percutaneous coronary intervention, device used, final TIMI flow grade, coronary artery bypass grafting, presence of assisted circulation device, presence of ventilator). (2) Hospitalization days and outcome at discharge (survival to discharge, death, transfer). | — |
Countries
Japan
Contacts
Public ContactYumiko Okuyama
Iwate Medical University Division of Cardiology, Department of Internal Medicine
Outcome results
None listed