Impact factors of complicated pneumonia in hospitalized patients with acute myocardial infarction
Wang Deshui · Chinese Journal of Multiple Organ Diseases in the Elderly · 2008
Objective To investigate the factors influencing pneumonia in hospitalized patients with acute myocardial infarction(AMI).Methods A total of 1443 patients with AMI were admitted to the Chinese PLA General Hospital from Jan 1,1993 to June 30,2006.The patients were divided into two groups:pneumonia group(159 cases) and non pneumonia group(1284 cases).The clinical characteristics,risk factors,clinical treatment and complications were compared.Results The multivariate logistic regression analysis showed that the major determinants of pneumonia were the age(OR 1.983,95% confidence interval(CI) 1.499~2.623),history of coronary heart disease(OR 1.566,95%CI 1.034~2.371),heart rate(OR 1.823,95%CI 1.452~2.287),white blood cell count(OR 1.409,95%CI 1.071~1.853),complications of heart failure(OR 3.264,95%CI 2.130~5.002),ventricular tachycardia or fibrillation(OR 2.347,95%CI 1.231~4.476),anemia(OR 2.292,95%CI 1.482~3.543) and percutaneous coronary intervention(OR 0.519,95%CI 0.327~0.824).Conclusion Increse in heart rate and leucocyte count on admission,complication of heart failure,ventriuclar fibrillation or tachycardia,anemia and without PCI treatment can significantly increase the risk for complication of pneamonia in AMI patients.