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Liu Haiping

Chinese PLA General Hospital, China

Title: Efficacy of β blockers on clinical outcomes in real-world patients with essential hypertension and coronary artery disease

Biography

Biography: Liu Haiping

Abstract

To investigate the efficacy of β-blocker therapy on the clinical outcomes of patients with essential hypertension combined with Coronary Artery Disease (CAD) in the real world. Patients who diagnosed with essential hypertension and CAD during hospitalization from December 2015 to February 2017 were recruited consecutively. All patients were followed up for 5 years and Major Adverse Cardiovascular Events (MACE, defined as s a composite of all-cause mortality, non-fatal stroke, non-fatal myocardial infarction or heart failure) and blood pressure [uncontrolled blood pressure: systolic blood pressure ≥ 140 mmHg and/or diastolic blood pressure ≥ 90 mmHg] were observed. A total of 615 patients were enrolled, including 418 males and 197 females, aged 37~92 (64.14 ± 10.32) years, of whom 441 patients (71.71%) were received β-blocker therapy throughout the 5 years follow up period. Compared to non-β-blocker treated patients, the β-blocker treated patients were younger, with higher rates of myocardial infarction history and medication of nitrates and statins, lower rates of chronic bronchitis and renal insufficiency. There were no significant differences in sex category, smoking history, diuretics, angiotensin converting enzyme inhibitors, angiotensin receptor antagonists and calcium channel blockers between β-blocker treated patients and untreated patients. Multivariate logistic regression analysis found that use of β-blocker can reduce the risk of 5-year MACE in patients with hypertension and CAD (9.75% vs. 20.11%, P=0.019). The blood pressure uncontrolled rate is significantly reduced in β-blocker treated patients (45.13% vs. 48.85%, P=0.044). Age subgroup analyses showed a significant reduction of the risk of MACE in patients ≥ 65 years with β-blocker therapy (11.43% vs. 28.72%, P=0.014), while the benefit of β-blockers on systolic blood pressure control was observed only in patients <65 years (29.70% vs. 33.75%, P=0.034). β-blockers could reduce the risk of MACE and blood pressure uncontrolled rate in patients with essential hypertension and CAD and the benefits are affected by age.