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1.
Chinese Circulation Journal ; (12): 334-337, 2017.
Article in Chinese | WPRIM | ID: wpr-513732

ABSTRACT

Objective: To assess trends of β-blocker use within 24h of admission in ideal candidates with acute myocardial infarction (AMI) in eastern urban China from 2001 to 2011. Method: A 2-stage random sampling design was performed. In the first stage, a simple random-sampling was used to identify participating hospitals. In the second stage, a systematic sampling was conducted in 2001, 2006 and 2011 to select cases from the participating hospitals. Data was obtained by central medical record abstraction. 10-year trend and predictors of early β-blocker application were assessed with weighted calculation for each year to represent the overall situation of eastern urban China. Results: 35 hospitals were sampled and 32 of them were finally participated. With necessary exclusion, 1399 ideal candidates were included in this analysis. The early weighted β-blocker application rates in 2001, 2006 and 2011 were 64.7%, 69.7%, and 60.9% respectively, P=0.0447 for trend. Patients with chest pain at admission (OR=2.22, 95% CI 1.19-4.13), higher systolic blood pressure (OR=1.40, 95% CI 1.11-1.77) or faster heart rate (OR=2.01, 95% CI 1.58-2.55) were more likely to use β-blocker; in contrast, compared with NSTEMI patients, STEMI patients seemed less likely to receive such treatment (OR=0.55, 95% CI 0.37-0.81). Conclusion: The early β-blocker therapy in eastern urban China is suboptimal for ideal AMI patients who could benefit from it. The application pattern has not been changed from 2001 to 2011 which might be related to physicians' misunderstanding of relevant evidence or guidelines. Our study may help to create an important target to improve the quality of AMI care.

2.
Chinese Circulation Journal ; (12): 338-342, 2017.
Article in Chinese | WPRIM | ID: wpr-513731

ABSTRACT

Objective: To assess the trend of early beta receptor blocker (β-blocker) application (with 24h of admission) for acute myocardial infarction (AMI) patients in western rural China from 2001 to 2011. Methods: A 2-stage random sampling design was performed. The 1st stage: a simple random sampling was used to identify participating hospitals and the 2nd stage: a systematic random sampling approach was conducted in 3 specific years of 2001, 2006 and 2011 to take case study for central medical information abstraction. The changing trends and impact factors of early β-blocker application for AMI patients in western rural area were assessed by multivariate model analysis. Results: 35 hospitals were sampled and 33 of them were finally participated. With necessary exclusion, a total of 486 AMI patients without β-blocker contraindication were enrolled for 2 groups: Suitable group, the patients were suitable for early β-blocker application, n=247 and High risk group, the patients with the high risk for shock occurrence, n=239. The application rates for β-blocker within 24h of admission at 2001, 2006 and 2011 in Suitable group were 19.06%, 54.30% and 56.20%, Ptrend=0.0020; in High risk group were 31.53%, 59.49% and 69.62%, Ptrend=0.0001. In Suitable group, the patients with history of hypertension (OR=1.87, 95% CI 1.06-3.29), smoking (OR=1.97, 95% CI 1.11-3.48) or admitted in 2006 (OR=2.93, 95% CI 1.22-7.03) and 2011(OR=4.67, 95% CI 2.06-10.59) had the higher chance to use β-blocker within 24h of admission. Conclusion: Application of β-blocker within 24h of admission in AMI patients presented the increasing trend in western rural China from 2001 to 2011, while there was still difference from the guideline recommendation. Improved normative application of β-blocker is helpful to enhance the quality of care and prognosis in AMI patients.

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