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1.
ObjectivesTo determine whether postal prompts to patients who have survived an acute coronary event and to their general practitioners improve secondary prevention of coronary heart disease.DesignRandomised controlled trial.Setting52 general practices in east London, 44 of which had received facilitation of local guidelines for coronary heart disease.Participants328 patients admitted to hospital for myocardial infarction or unstable angina.InterventionsPostal prompts sent 2 weeks and 3 months after discharge from hospital. The prompts contained recommendations for lowering the risk of another coronary event, including changes to lifestyle, drug treatment, and making an appointment to discuss these issues with the general practitioner or practice nurse.ResultsPrescribing of β bockers (odds ratio 1.7, 95% confidence interval 0.8 to 3.0, P>0.05) and cholesterol lowering drugs (1.7, 0.8 to 3.4, P>0.05) did not differ between intervention and control groups. A higher proportion of patients in the intervention group (64%) than in the control group (38%) had their serum cholesterol concentrations measured (2.9, 1.5 to 5.5, P<0.001). Secondary outcomes were significantly improved for consultations for coronary heart disease, the recording of risk factors, and advice given. There were no significant differences in patients’ self reported changes to lifestyle or to the belief that it is possible to modify the risk of another coronary event.ConclusionsPostal prompts to patients who had had acute coronary events and to their general practitioners in a locality where guidelines for coronary heart disease had been disseminated did not improve prescribing of effective drugs for secondary prevention or self reported changes to lifestyle. The prompts did increase consultation rates related to coronary heart disease and the recording of risk factors in the practices. Effective secondary prevention of coronary heart disease requires more than postal prompts and the dissemination of guidelines.

Key messages

  • Postal prompts to patients and their general practitioners about effective secondary prevention after a myocardial infarction did not improve the prescribing of cholesterol lowering drugs and β blockers
  • The prompts did improve general practice recording of cardiovascular risk factors and lifestyle advice given to patients, but they made no difference to patients’ reports of changes to lifestyle
  • Other methods are needed to improve the quality of secondary prevention of coronary heart disease in general practice
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2.
Cardiac natriuretic peptide hormones, atrial natriuretic peptide (ANP) and B-type natriuretic peptide (BNP), are synthesized and secreted by the heart, producing several biological effects, such as natriuresis, vasorelaxation and hypotension. During the last decade these peptides, especially BNP, have received increasing attention as potential markers of cardiovascular disease. Their measurements can be used to diagnose heart failure, including diastolic dysfunction, and using them has been shown to save money. BNP levels can enable the differentiation between dyspnoic patients secondary to ventricular dysfunction and subjects with primary respiratory disorders. Moreover, there is good evidence that natriuretic peptides may have a diagnostic role in arterial hypertension, acute coronary syndromes, pulmonary hypertension, some valvular heart disease and some disorders affecting other systems (diabetes or thyroid disorders). In this paper we discuss the clinical utility of assessment of natriuretic peptide hormones in the diagnosis of various clinical conditions and their use as pharmacological agents.  相似文献   

3.

Invasive coronary physiology has been applied since the early days of percutaneous transluminal coronary angioplasty, and has become a rapidly emerging field of research. Many physiology indices have been developed, tested in clinical studies, and are now applied in daily clinical practice. Recent clinical practice guidelines further support the use of advanced invasive physiology methods to optimise the diagnosis and treatment of patients with acute and chronic coronary syndromes. This article provides a succinct review of the history of invasive coronary physiology, the basic concepts of currently available physiological parameters, and will particularly highlight the Dutch contribution to this field of invasive coronary physiology.

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4.
BN P 的测定和临床应用的研究进展   总被引:2,自引:0,他引:2  
B型利钠肽是一种具有利尿作用的内源性肽,其对早期发现心衰病人、心衰病人的分级、区分心衰及其他原因引起的呼吸困难、监测心衰治疗、提示心衰病人预后、识别有无左室功能不全及急性冠脉综合症的风险评估方面具有重要临床应用价值。本文主要介绍了B型利钠肽的测定及临床应用。  相似文献   

5.

Background

Although numerous therapies have been shown to be beneficial in the prevention of myocardial infarction and/or death in patients with coronary disease, these therapies are under-used and this gap contributes to sub-optimal patient outcomes. To increase the uptake of proven efficacious therapies in patients with coronary disease, we designed a multifaceted quality improvement intervention employing patient-specific reminders delivered at the point-of-care, with one-page treatment guidelines endorsed by local opinion leaders ("Local Opinion Leader Statement"). This trial is designed to evaluate the impact of these Local Opinion Leader Statements on the practices of primary care physicians caring for patients with coronary disease. In order to isolate the effects of the messenger (the local opinion leader) from the message, we will also test an identical quality improvement intervention that is not signed by a local opinion leader ("Unsigned Evidence Statement") in this trial.

Methods

Randomized trial testing three different interventions in patients with coronary disease: (1) usual care versus (2) Local Opinion Leader Statement versus (3) Unsigned Evidence Statement. Patients diagnosed with coronary artery disease after cardiac catheterization (but without acute coronary syndromes) will be randomly allocated to one of the three interventions by cluster randomization (at the level of their primary care physician), if they are not on optimal statin therapy at baseline. The primary outcome is the proportion of patients demonstrating improvement in their statin management in the first six months post-catheterization. Secondary outcomes include examinations of the use of ACE inhibitors, anti-platelet agents, beta-blockers, non-statin lipid lowering drugs, and provision of smoking cessation advice in the first six months post-catheterization in the three treatment arms. Although randomization will be clustered at the level of the primary care physician, the design effect is anticipated to be negligible and the unit of analysis will be the patient.

Discussion

If either the Local Opinion Leader Statement or the Unsigned Evidence Statement improves secondary prevention in patients with coronary disease, they can be easily modified and applied in other communities and for other target conditions.  相似文献   

6.

Background

The aim of the SPHERE study is to design, implement and evaluate tailored practice and personal care plans to improve the process of care and objective clinical outcomes for patients with established coronary heart disease (CHD) in general practice across two different health systems on the island of Ireland.CHD is a common cause of death and a significant cause of morbidity in Ireland. Secondary prevention has been recommended as a key strategy for reducing levels of CHD mortality and general practice has been highlighted as an ideal setting for secondary prevention initiatives. Current indications suggest that there is considerable room for improvement in the provision of secondary prevention for patients with established heart disease on the island of Ireland. The review literature recommends structured programmes with continued support and follow-up of patients; the provision of training, tailored to practice needs of access to evidence of effectiveness of secondary prevention; structured recall programmes that also take account of individual practice needs; and patient-centred consultations accompanied by attention to disease management guidelines.

Methods

SPHERE is a cluster randomised controlled trial, with practice-level randomisation to intervention and control groups, recruiting 960 patients from 48 practices in three study centres (Belfast, Dublin and Galway). Primary outcomes are blood pressure, total cholesterol, physical and mental health status (SF-12) and hospital re-admissions.The intervention takes place over two years and data is collected at baseline, one-year and two-year follow-up. Data is obtained from medical charts, consultations with practitioners, and patient postal questionnaires.The SPHERE intervention involves the implementation of a structured systematic programme of care for patients with CHD attending general practice. It is a multi-faceted intervention that has been developed to respond to barriers and solutions to optimal secondary prevention identified in preliminary qualitative research with practitioners and patients. General practitioners and practice nurses attend training sessions in facilitating behaviour change and medication prescribing guidelines for secondary prevention of CHD. Patients are invited to attend regular four-monthly consultations over two years, during which targets and goals for secondary prevention are set and reviewed. The analysis will be strengthened by economic, policy and qualitative components.  相似文献   

7.
Cornel Pater 《Trials》2005,6(1):1-16

Background

The aim of the SPHERE study is to design, implement and evaluate tailored practice and personal care plans to improve the process of care and objective clinical outcomes for patients with established coronary heart disease (CHD) in general practice across two different health systems on the island of Ireland. CHD is a common cause of death and a significant cause of morbidity in Ireland. Secondary prevention has been recommended as a key strategy for reducing levels of CHD mortality and general practice has been highlighted as an ideal setting for secondary prevention initiatives. Current indications suggest that there is considerable room for improvement in the provision of secondary prevention for patients with established heart disease on the island of Ireland. The review literature recommends structured programmes with continued support and follow-up of patients; the provision of training, tailored to practice needs of access to evidence of effectiveness of secondary prevention; structured recall programmes that also take account of individual practice needs; and patient-centred consultations accompanied by attention to disease management guidelines.

Methods

SPHERE is a cluster randomised controlled trial, with practice-level randomisation to intervention and control groups, recruiting 960 patients from 48 practices in three study centres (Belfast, Dublin and Galway). Primary outcomes are blood pressure, total cholesterol, physical and mental health status (SF-12) and hospital re-admissions. The intervention takes place over two years and data is collected at baseline, one-year and two-year follow-up. Data is obtained from medical charts, consultations with practitioners, and patient postal questionnaires. The SPHERE intervention involves the implementation of a structured systematic programme of care for patients with CHD attending general practice. It is a multi-faceted intervention that has been developed to respond to barriers and solutions to optimal secondary prevention identified in preliminary qualitative research with practitioners and patients. General practitioners and practice nurses attend training sessions in facilitating behaviour change and medication prescribing guidelines for secondary prevention of CHD. Patients are invited to attend regular four-monthly consultations over two years, during which targets and goals for secondary prevention are set and reviewed. The analysis will be strengthened by economic, policy and qualitative components.  相似文献   

8.
Antibodies to Helicobacter pylori, Chlamydia spp. and Mycobacterium bovis were determined in patients with coronary heart disease, H. pylori-related dyspepsia, and tuberculosis, and healthy controls. Enzyme-linked immunosorbent assay was conducted with a glycine extract and CagA protein of H. pylori, chlamydial lipopolysaccharide and mycobacterial heat shock protein Hsp65. The prevalence of anti-glycine extract IgG in coronary heart disease patients was higher than in the tuberculosis group and controls, and the same as in dyspeptic patients. Anti-chlamydial IgG were more prevalent in the coronary heart disease group than in healthy subjects. There was no difference in the prevalence of anti-CagA IgG in the coronary heart disease group and controls or anti-Hsp65 IgG in the patients with coronary heart disease, dyspepsia, tuberculosis, and controls. Anti-glycine extract IgA (like anti-glycine extract IgG) were more prevalent in the coronary heart disease group than in the healthy group. The highest anti-glycine extract IgG/IgA and anti-chlamydial IgG titers were more frequent in coronary heart disease patients as compared with controls. Infections with H. pylori and Chlamydia spp. and enhanced production of antibodies to these pathogens may predispose to human atherosclerosis.  相似文献   

9.
A prospective study was carried out to determine the prognostic factors in patients with second-degree and complete heart block following acute myocardial infarction and to re-examine the indications for artificial transvenous pacing. Of the 117 consecutive patients with proved acute myocardial infarction, 15 developed advanced heart block (second degree and complete). The presence of the following factors, either alone or in combinations, were attended with poor prognosis: preceding Stokes-Adams syndrome, cardiogenic shock, congestive heart failure, complications secondary to cardiac arrest, anterior infarction and wide QRS complex. In the nine cases requiring artificial transvenous pacemaker because of Stokes-Adams attacks, congestive heart failure or frequent multifocal ventricular ectopic beats, there were five deaths. The remaining six patients, who were without complications and were not paced, all survived; these patients had normal QRS duration with heart rates above 60 per minute. This study indicates that prophylactic transvenous catheter insertion in acute heart block does not appear justified unless specific indication(s) arise. Postmortem studies revealed significant narrowing of all the major coronary vessels in all five fatalities. The overall mortality in this series of cases of acute heart block was 33%.  相似文献   

10.
PURPOSE OF REVIEW: Despite improvements in the early management of acute coronary syndromes, the risk of major cardiovascular complications remains high. Lipid-modifying treatment with statins has the potential to further improve outcomes through improved endothelial function, antithrombotic and antiinflammatory actions. Statins are of proven benefit in patients with stable coronary heart disease. There has been speculation on potential mechanisms of benefit but, until recently, little data on the efficacy and safety of statins in the acute setting. Recent observational studies and randomized trials have addressed some of the questions regarding early initiation of statins in acute coronary syndromes. RECENT FINDINGS: Recent observational and randomized trials have shown that early commencement of statins in acute coronary syndromes is safe as early as 6 hours after the event and is likely to improve longer-term compliance. The current data are not sufficient to draw conclusions about the efficacy of statins early in the course of acute coronary syndromes. SUMMARY: Current management for acute coronary syndromes should include the commencement of statin therapy during initial hospital admission. This recommendation is based on safety and compliance data. More randomized trial evidence is required to determine whether early initiation will produce better outcomes than later initiation after an acute coronary event.  相似文献   

11.
Congestive heart failure with preserved left ventricular systolic function has emerged as a growing epidemic medical syndrome in developed countries, which is characterized by high morbidity and mortality rates. Rapid and accurate diagnosis of this condition is essential for optimizing the therapeutic management. The diagnosis of congestive heart failure is challenging in patients presenting without obvious left ventricular systolic dysfunction and additional diagnostic information is most commonly required in this setting. Comprehensive Doppler echocardiography is the single most useful diagnostic test recommended by the ESC and ACC/AHA guidelines for assessing left ventricular ejection fraction and cardiac abnormalities in patients with suspected congestive heart failure, and non-invasively determined basal or exercise-induced pulmonary capillary hypertension is likely to become a hallmark of congestive heart failure in symptomatic patients with preserved left ventricular systolic function. The present review will focus on the current clinical applications of spectral tissue Doppler echocardiography used as a reliable noninvasive surrogate for left ventricular diastolic pressures at rest as well as during exercise in the diagnosis of heart failure with preserved left ventricular systolic function. Chronic congestive heart failure, a disease of exercise, and acute heart failure syndromes are characterized by specific pathophysiologic and diagnostic issues, and these two clinical presentations will be discussed separately.  相似文献   

12.
The role of statins in the treatment and prevention of cardiovascular diseases, such as coronary artery disease, acute coronary syndromes, diabetes or stroke is well established. However, there are still many questions regarding the role of statins in patients with heart failure (HF)/cardiomyopathy (CM), hypertension, atrial fibrillation (AF) and chronic kidney disease (CKD). As for patients with HF/CM inhibition of inflammation, reducing endothelial dysfunction might comprise part of the underlying mechanisms leading to the improvement of left ventricular function and exercise tolerance in these groups of patients. Therefore the candidates for statin therapy with HF/CM should be in New York Heart Association class II or III and should have normal or increased levels of lipids. We should avoid reducing lipids levels in these patients. At present, it is also difficult to unequivocally assess the impact of statins on blood pressure (BP). However, according to most available studies, the impact of statins on the decrease in BP is slight, but significant, especially among patients with hypertension. Moreover statins significantly reduce cardiovascular events in patients with hypertension. Although the results of trials concerning the use of statins in CKD patients are conflicting, it is suggested that the benefits of statin use outweigh the drawbacks in patients with early-stage CKD, when the benefits can be effectively predicted. However, available large randomized clinical trials suggest a lack of efficacy in patients on renal replacement therapy. We also needs further data on the role of statins on AF, however the existing studies suggest beneficial impact of statins in these patients.  相似文献   

13.

Background

Platelet inhibition is crucial in reducing both short- and long-term atherothrombotic risks in patients with acute coronary syndromes (ACS) managed with percutaneous coronary intervention (PCI). Based on randomised trials, recent recommendations in the current guidelines include the endorsement of prasugrel as a first-choice adenosine diphosphate receptor inhibitor. Yet, there is limited experience with the use of prasugrel in routine practice.

Methods

The Rijnmond Collective Cardiology Research (CCR) registry is a prospective, observational study that will follow-up 4000 PCI-treated ACS patients in the larger region of Rotterdam, the Netherlands. Based on recently implemented hospital protocols, all patients will receive prasugrel as first-choice antiplatelet agent, unless contraindicated, in accordance with European guidelines, and will be followed for up to 1 year post-discharge for longitudinal assessment of outcomes and bleeding events. This registry exemplifies a collaborative study design that employs a regional PCI registry platform and provides feedback to participating sites regarding their practice patterns, thereby supporting and promoting improvement of quality of care.

Conclusion

The CCR registry will evaluate the adoption of prasugrel into routine clinical practice and thus, will provide important evidence with regard to the benefits and risks of real-world utilisation of prasugrel as antiplatelet therapy in PCI-treated ACS patients.  相似文献   

14.
Inflammatory markers and coronary heart disease   总被引:15,自引:0,他引:15  
PURPOSE OF REVIEW: Despite changes in lifestyle and the use of effective pharmacologic interventions to lower cholesterol levels, coronary heart disease remains the major cause of morbidity and mortality in the developed world. Cholesterol screening fails to identify almost 50% of those individuals who will present with acute coronary syndromes. Recent evidence from laboratory and prospective clinical studies demonstrates that atherosclerosis is not simply a disease of lipid deposition, but rather is an inflammatory process with highly specific cellular and molecular responses. The clinical utility of inflammatory markers has been examined in a variety of atherothrombotic diseases. Because C-reactive protein is highly stable in stored frozen samples, and automated and robust analytical systems for its measurement are available, it has become the most widely examined inflammatory marker. RECENT FINDINGS: C-reactive protein has consistently been shown to be a useful prognostic indicator in acute coronary syndromes and is a strong predictor of future coronary events in apparently healthy individuals. In addition, C-reactive protein can identify individuals with normal lipid levels who are at increased risk for future coronary events. Because drugs such as aspirin and statins reduce inflammatory risk, C-reactive protein has the potential to guide the use of these therapies in high-risk individuals for primary prevention. SUMMARY: C-reactive protein may have a role in global risk assessment for primary prevention and in targeting those patients who will benefit from anti-inflammatory therapies. In addition, it may also be a good prognostic indicator in patients with acute coronary syndromes.  相似文献   

15.
ObjectiveTo assess the effect of using different risk calculation tools on how general practitioners and practice nurses evaluate the risk of coronary heart disease with clinical data routinely available in patients'' records.DesignSubjective estimates of the risk of coronary heart disease and results of four different methods of calculation of risk were compared with each other and a reference standard that had been calculated with the Framingham equation; calculations were based on a sample of patients'' records, randomly selected from groups at risk of coronary heart disease.SettingGeneral practices in central England.Participants18 general practitioners and 18 practice nurses.ResultsOnly a minority of patients'' records contained all of the risk factors required for the formal calculation of the risk of coronary heart disease (concentrations of high density lipoprotein (HDL) cholesterol were present in only 21%). Agreement of risk calculations with the reference standard was moderate (κ=0.33-0.65 for practice nurses and 0.33 to 0.65 for general practitioners, depending on calculation tool), showing a trend for underestimation of risk. Moderate agreement was seen between the risks calculated by general practitioners and practice nurses for the same patients (κ=0.47 to 0.58). The British charts gave the most sensitive results for risk of coronary heart disease (practice nurses 79%, general practitioners 80%), and it also gave the most specific results for practice nurses (100%), whereas the Sheffield table was the most specific method for general practitioners (89%).ConclusionsRoutine calculation of the risk of coronary heart disease in primary care is hampered by poor availability of data on risk factors. General practitioners and practice nurses are able to evaluate the risk of coronary heart disease with only moderate accuracy. Data about risk factors need to be collected systematically, to allow the use of the most appropriate calculation tools.

What is already known on this topic

Recent guidelines have recommended determining the risk of coronary heart disease for targeting patients at high risk for primary preventionEstimates of risk have been shown to be inaccurateGeneral practitioners and practice nurses can use risk calculation tools accurately when given patient data in the form of scenarios

What this study adds

Many patients do not have adequate information in their records to allow the risk of coronary heart disease to be calculatedWhen data about risk factors were available, risk calculations made by general practitioners and practice nurses were moderately accurate compared to a reference calculationWhen adequate information about risk factors is not available, subjective estimates are a reasonable alternative to calculating risk  相似文献   

16.
3-Hydroxy-3-methylglutaryl coenzyme A reductase inhibitors (statins) are effective treatments for the primary and secondary prevention of coronary heart disease, but an outstanding issue is determining who should have such treatment. The benefit from treatment with statins appears to be proportional to the underlying risk of coronary heart disease and independent of the factors increasing risk. Most benefit will therefore be achieved by treating people at increased risk of coronary heart disease. Statins reduce coronary morbidity even when the risk of coronary heart disease is relatively low (6% over 10 years), but reduction in all-cause mortality, the true measure of safety has been shown only when the risk of a major coronary heart disease event is 15% over 10 years or greater. At this level of risk patients appear willing to take treatment to gain the benefit expected from statin treatment, and the cost effectiveness of statin treatment is within the range accepted for other treatments. The major impediments to the systematic introduction of statin treatment at this level of risk are the very high overall cost and the large workload in countries like Britain, where the population risk of coronary heart disease is high. For this reason, recent British guidelines correctly advise statin treatment for secondary prevention and primary prevention when the 10 year coronary heart disease risk is 30% or greater as the first priority, moving to a lower coronary heart disease threshold for primary prevention only when resources permit.  相似文献   

17.
This mRole session at the end of the 2007 ESC Congress, chaired by J.J. Bax (Leiden, the Netherlands) and K.M. Fox (London, UK), provided the highlights of the ESC congress on various topics, including basic science, hypertension and risk factors, imaging, arrhythmias, acute coronary syndromes, interventional cardiology, valvular heart disease and heart failure and cardiomyopathies.  相似文献   

18.
In the current daily practice of acute coronary syndromes, patients experiencing non-ST-elevation acute coronary syndrome (NSTE-ACS) represent the majority of this population. In these patients it is of utmost importance to estimate both ischaemic and bleeding risk, with subsequent, and preferably tailored pharmacological and, if indicated, invasive treatment. In this paper we describe the several risk scores and evaluate which are most applicable to the Dutch health-care system. Furthermore, we provide an overview of the recommended pharmacological treatment in keeping with the European Society of Cardiology guidelines. An important topic of this paper is how to decide between early or delayed invasive strategies. We describe the recommendations of the European Society of Cardiology and evaluate to which level these should be applied to the Dutch health-care system.  相似文献   

19.

Background

Heart failure as recognized and treated in typical practice may represent a complex condition that defies discrete categorizations. To illuminate this complexity, we examined treatment strategies for patients hospitalized and treated for decompensated heart failure. We focused on the receipt of medications appropriate for other acute conditions associated with shortness of breath including acute asthma, pneumonia, and exacerbated chronic obstructive pulmonary disease.

Methods and Results

Using Premier Perspective®, we studied adults hospitalized with a principal discharge diagnosis of heart failure and evidence of acute heart failure treatment from 2009-2010 at 370 US hospitals. We determined treatment with acute respiratory therapies during the initial 2 days of hospitalization and daily during hospital days 3-5. We also calculated adjusted odds of in-hospital death, admission to the intensive care unit, and late intubation (intubation after hospital day 2). Among 164,494 heart failure hospitalizations, 53% received acute respiratory therapies during the first 2 hospital days: 37% received short-acting inhaled bronchodilators, 33% received antibiotics, and 10% received high-dose corticosteroids. Of these 87,319 hospitalizations, over 60% continued receiving respiratory therapies after hospital day 2. Respiratory treatment was more frequent among the 60,690 hospitalizations with chronic lung disease. Treatment with acute respiratory therapy during the first 2 hospital days was associated with higher adjusted odds of all adverse outcomes.

Conclusions

Acute respiratory therapy is administered to more than half of patients hospitalized with and treated for decompensated heart failure. Heart failure is therefore regularly treated as a broader cardiopulmonary syndrome rather than as a singular cardiac condition.  相似文献   

20.
Despite the fact that Asian Americans and Pacific Islanders are the fastest growing minority population in the United States, little is known about their treatment patterns and outcomes, particularly for Asian American and Pacific Islander sub-groups. Multivariable logistic regression was used to compare differences in revascularization and mortality rates following acute coronary syndromes among Asian American and Pacific Islander sub-groups [Japanese (n = 1342), Chinese (n = 249), Filipino (n = 314), Native Hawaiian (n = 361)) and Caucasians (n = 569)] during the initial hospitalization using administrative (claims) data from 1997 to 1999. Analyses were stratified by gender and controlled for age, diabetes mellitus, congestive heart failure, acute myocardial infarction, ACG morbidity level and system of care. We found that the type of procedures received during the initial hospitalization differed according to patient ethnicity for male patients but not for female ones. Compared to Caucasians, male Asian Amercian and Pacific Islanders patients were less likely to undergo percutaneous coronary interventions and more likely to undergo coronary artery bypass graft surgery. In the future, a more comprehensive outcomes study is needed, to examine the impact of any interethnic differences in revascularization rates on intermediate and long-term mortality, patient satisfaction, and self-reported functioning and well-being. The trend toward higher mortality following acute coronary syndromes among Asian Americans and Pacific Islander males emphasizes the importance of such a study.  相似文献   

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