Characteristics of clinical and interventional treatments in coronary heart disease patients with positive and suspected posi-tive from bicycle ergometer testing within cardiopulmonary exercise testing
Objective To investigate the clinical and interventional treatment characteristics of coronary heart disease patients with positive and suspected positive treadmill exercise test in cardiopulmonary exercise test.Methods A total of 465 patients with coronary heart disease who were hospitalized in the Department of Cardiology of General Hospital of Northern Theater Command and underwent cardiopulmonary test in the Cardiac Rehabilitation Center were selected as the study objects from September 1,2020 to January 31,2021.Patients were divided into positive and suspected positive group(n=146)and negative group(n=319)according to the re-sults of exercise tests in cardiopulmonary exercise tests.The general data,coronary angiography and interventional therapy were com-pared between the two groups.Major adverse cardiovascular events(MACE)were followed up,including death,myocardial infarction,and revascularization.Results There were no significant differences in age,sex,hypertension,diabetes,admission diagnosis,left ven-tricular end-diastolic diameter,left ventricular ejection fraction,low density lipoprotein,application of vasodilators,depression screening scale score and generalized anxiety Scale score between two groups(P>0.05).The proportion of β-blocker application in positive and suspected positive group was lower than that in negative group,and the difference was statistically significant(P<0.05).There was no significant difference in the target location of coronary artery disease,the type of surgery and the total number of stents between the two groups(P>0.05).The incidence of MACE events and the proportion of revascularization in positive and suspected positive group were higher than those in negative group,with statistical significance(P<0.05).There was no significant difference in the incidence of death and myocardial infarction between the two groups(P>0.05).Conclusion The use of β-blockers may reduce the incidence of positive and suspected positive cardiopulmonary exercise tests after surgery.Patients with positive and suspected positive cardiopul-monary exercise tests are more likely to receive revascularization.
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