Analysis of the clinical and coronary lesion characteristics in different age patients with acute myocardial infarction

ObjectiveTo investigate the clinical and coronary lesion characteristics in different age patients with acute myocardial infarction(AMI).

MethodsTwo hundred and one AMI patients were detected using emergency coronary angiography, and divided into the young and middle-aged group(age < 60 years old, n=70) and elderly group(age ≥ 60 years old, n=131) according to their ages.The clinical data and coronary artery disease data were compared between two groups.

ResultsElderly patients with AMI were more prone to have in-hospital death and heart failure compared with young and middle-aged patients(P < 0.05).The levels of red blood cell count, hemoglobin, hematocrit, reticulocyte count, lymphocyte count, eosinophil count, alanine aminotransferase, cholinesterase, total protein, albumin, uric acid, total cholesterol, low density lipoprotein and apolipoprotein B in young and middle-aged group were higher than those in elderly group(P < 0.05 to P < 0.01), and the level of lipoprotein a in young and middle-aged group was lower than that in elderly group(P < 0.05).In the young and middle-aged group, the single-vessel lesion and low Gensini score were the main performance, and the probability of no/slow reflow was low.In the elderly group, the coronary arteries were mainly composed of multiple vessels, calcification lesions and high Gensini score, and no/slow reflow was easy to occur during the operation.The difference of which between two groups was statistically significant(P < 0.05 to P < 0.01).

ConclusionsThe levels of blood pressure, blood glucose and blood lipid in young and middle-aged patients are higher, and the coronary artery lesions are mainly single-branch and low Gesini score lesions.In the elderly patients, the coronary artery lesions are mainly diffused long lesions and calcificated lesions, and no/slow reflow is easy to occur during the operation.