scholarly journals Exercise-Based Cardiac Rehabilitation Associates with Lower Major Adverse Cardiovascular Events in People with Stroke

2021 ◽  
pp. 1-5
Author(s):  
Benjamin J.R. Buckley ◽  
Stephanie L. Harrison ◽  
Elnara Fazio-Eynullayeva ◽  
Paula Underhill ◽  
Deirdre A. Lane ◽  
...  
Keyword(s):  
Propensity Score ◽  
Cardiac Rehabilitation ◽  
Cardiovascular Events ◽  
Recurrent Stroke ◽  
Routine Care ◽  
Research Network ◽  
Major Adverse Cardiovascular Events ◽  
Cardiac Events ◽  
Lower Odds

<b><i>Background:</i></b> The risk of major adverse cardiovascular events is substantially increased following a stroke. Although exercise-based cardiac rehabilitation has been shown to improve prognosis following cardiac events, it is not part of routine care for people following a stroke. We therefore investigated the association between cardiac rehabilitation and major adverse cardiovascular events for people with stroke. <b><i>Methods:</i></b> This retrospective analysis was conducted on June 20, 2021, using anonymized data within TriNetX, a global federated health research network with access to electronic medical records from participating healthcare organizations, predominantly in the USA. All participants were aged ≥18 years with cerebrovascular disease and at least 2 years of follow-up. People with stroke and an electronic medical record of exercise-based cardiac rehabilitation were 1:1 propensity score matched to people with stroke but without cardiac rehabilitation using participant characteristics, comorbidities, cardiovascular procedures, and cardiovascular medications. <b><i>Results:</i></b> Of 836,923 people with stroke and 2-year follow-up, 2,909 met the inclusion for the exercise-based cardiac rehabilitation cohort. Following propensity score matching (<i>n</i> = 5,818), exercise-based cardiac rehabilitation associated with 53% lower odds of all-cause mortality (odds ratio 0.47, 95% confidence interval: 0.40–0.56), 12% lower odds of recurrent stroke (0.88, 0.79–0.98), and 36% lower odds of rehospitalization (0.64, 0.58–0.71), compared to controls. No significant association between cardiac rehabilitation and incident atrial fibrillation was observed. <b><i>Conclusion:</i></b> Exercise-based cardiac rehabilitation prescribed for people following a stroke associated with significantly lower odds of major adverse cardiovascular events at 2 years, compared to usual care.

Effectiveness of a Workplace-Based, Multicomponent Hypertension Management Program in Real-World Practice: A Propensity-Matched Analysis

Hypertension ◽  
2022 ◽  
Vol 79 (1) ◽  
pp. 230-240
Author(s):  
Yan-Feng Zhou ◽  
Simiao Chen ◽  
Guodong Wang ◽  
Shuohua Chen ◽  
Yan-Bo Zhang ◽  
...  
Keyword(s):  
Propensity Score ◽  
Propensity Score Matching ◽  
Cardiovascular Events ◽  
Management Program ◽  
Major Adverse Cardiovascular Events ◽  
Control Group ◽  
Hypertension Management ◽  
Management Group ◽  
All Cause Mortality

Limited studies had investigated the potential benefits of workplace-based hypertension management programs on long-term blood pressure (BP) control and health outcomes. This study used the propensity score matching to examine the effectiveness of a workplace-based hypertension management program on BP control and risks of major adverse cardiovascular events and all-cause mortality. Within the Kailuan study, a workplace-based hypertension management program was initiated in 2009 among men with hypertension, which included regular BP measuring (twice a month), free antihypertensive medications, and individualized health consultation. Participants were followed until loss to follow-up, death, or December 31, 2019. Among 17 724 male hypertensives aged 18 to 60 years, 6400 participated in the program. The propensity score matching yielded 6120 participants in the management group and 6120 participants in the control group. Both systolic and diastolic BPs were significantly lower in the management group than in the control group over follow-up, and the mean between-group difference at the 10th year was −7.83 (95% CI, −9.06 to −6.62) mm Hg for systolic BP and −4.72 (95% CI, −5.46 to −3.97) mm Hg for diastolic BP. Participants in the program were more likely to achieve BP control (odds ratio, 1.70 [95% CI, 1.41–2.06]) and had significantly lower risks of major adverse cardiovascular events (hazard ratio, 0.83 [95% CI, 0.72–0.94]) and all-cause mortality (hazard ratio, 0.71 [95% CI, 0.58–0.86]), compared with those who were not in the program. A workplace-based hypertension management program was related to reduced BP levels and lower risks of major adverse cardiovascular events and mortality in Chinese men with hypertension.

MO129COMPARATIVE EFFECTIVENESS OF SGLT2I VERSUS DPP4I ON CARDIOVASCULAR AND RENAL OUTCOMES IN ROUTINE-CARE SETTINGS

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
Edouard Fu ◽  
Marco Trevisan ◽  
Vivekananda Lanka ◽  
Catherine M Clase ◽  
Yang Xu ◽  
...  
Keyword(s):  
Propensity Score ◽  
Kidney Function ◽  
Primary Outcome ◽  
Cox Regression ◽  
Routine Care ◽  
Major Adverse Cardiovascular Events ◽  
All Cause Mortality ◽  
Kidney Function Decline ◽  
Egfr Slope

Abstract Background and Aims While clinical trials have demonstrated the efficacy of SGLT2 inhibitors on preventing cardiovascular and renal damage, few studies have expanded this evidence to routine-care settings. Method We compared clinical outcomes of adults who started SGLT2i or DPP4i therapy in Stockholm, Sweden, during 2013-2019. The primary outcome was a composite of cardiovascular (CV) death and hospitalization for heart failure (HF). Secondary outcomes included major adverse cardiovascular events (MACE; composite of cardiovascular death, myocardial infarction, stroke), all-cause mortality and the rate of eGFR decline (eGFR slope). Propensity score weighted Cox regression was used to balance 55 variables and estimate intention-to-treat hazard ratios with 95% confidence intervals. Differences in eGFR slope were calculated with linear mixed models. Results We identified 7136 individuals starting SGLT2i and 13,618 starting DPP4i therapy. Median age was 64 years (37% women) and median eGFR 86 ml/min/1.73m2. During median follow-up of 2.1 years, 211 individuals developed the primary outcome, 269 experienced MACE and 178 died. After propensity score weighting, patients starting SGLT2i therapy were at lower risk for the composite of CV death/HF hospitalization (HR 0.71; 95% CI 0.53-0.94) compared with DPP4i, and showed a tendency towards lower MACE (0.84; 95% CI 0.67-1.04) and all-cause mortality (0.85; 95% CI 0.62-1.18). There were a median of 4 (interquartile range: 2-8) eGFR measurements during follow-up per patient to estimate their eGFR slopes. In adjusted models, new users of SGLT2i had a slower rate of kidney function decline compared with DPP4i (eGFR slope difference of 0.43 (95% CI 0.15-0.72) ml/min/1.73m2 per year). Results for the primary outcome were consistent across 7 pre-specified subgroups, including eGFR (eGFR ≥60: HR 0.79 [95% CI 0.57-1.08]; eGFR &lt;60: HR 0.62 [0.38-0.99], p-value for interaction 0.40). Conclusion In patients undergoing routine care, initiation of SGLT2i was associated with fewer cardiovascular outcomes and less rapid kidney function decline compared with DPP4i initiation.

scholarly journals Associations of exercise-based cardiac rehabilitation with all-cause mortality among patients with atrial fibrillation

EP Europace ◽  
2021 ◽  
Vol 23 (Supplement_3) ◽  
Author(s):  
B Buckley ◽  
S Harrison ◽  
E Fazio-Eynullayeva ◽  
P Underhill ◽  
D Lane ◽  
...  
Keyword(s):  
Heart Failure ◽  
Propensity Score ◽  
Research Network ◽  
Lower Odds ◽  
Clinical Endpoints ◽  
Funding Sources ◽  
All Cause Mortality ◽  
Exercise Programmes ◽  
Long Term Impact

Abstract Funding Acknowledgements Type of funding sources: None. Background There is limited evidence of long-term impact of exercise-based CR on clinical endpoints for patients with AF. We therefore compared 18-month all-cause mortality, hospitalisation, stroke, and heart failure in patients with AF and an electronic medical record (EMR) of exercise-based CR to matched controls. Methods and Results This retrospective cohort study included patient data obtained on 11 December 2020, from a global federated health research network. AF patients undergoing exercise-based CR were propensity score matched to AF patients without exercise-based CR by age, sex, race, medication, and co-morbidities. We ascertained 18-month incidence of all-cause mortality, hospitalisation, stroke, and heart failure. Of 1,350,886 patients with AF, 10,625 patients had an EMR of exercise-based CR within 6-months of incident AF. The propensity score matched cohort of 21,250 patients with AF demonstrated that exercise-based CR was associated with 64% lower odds of all-cause mortality (odds ratio 0.36, 95% confidence interval (CI) 0.33-0.40), 41% lower odds of hospitalisation (0.59, 95% CI 0.56-0.63), and 17% lower odds of incident stroke (0.83, 95% CI 0.71-0.98) compared to propensity score matched controls. No significant associations were shown for heart failure at 18-months (0.92, 95% CI 0.81-1.02). The beneficial association of exercise-based CR on all-cause mortality was independent of sex, older age, comorbidities, and AF subtype. CONCLUSIONS Exercise-based CR among patients with incident AF was associated with lower odds of all-cause mortality, hospitalisation, and stroke at 18-months follow-up. The longitudinal nature of this retrospective follow-up study strongly supports the provision of exercise programmes for patients with incident AF.

scholarly journals Exercise‐Based Cardiac Rehabilitation and All‐Cause Mortality Among Patients With Atrial Fibrillation

2021 ◽  
Author(s):  
Benjamin J. R. Buckley ◽  
Stephanie L. Harrison ◽  
Elnara Fazio‐Eynullayeva ◽  
Paula Underhill ◽  
Deirdre A. Lane ◽  
...  
Keyword(s):  
Heart Failure ◽  
Atrial Fibrillation ◽  
Propensity Score ◽  
Cardiac Rehabilitation ◽  
Medical Record ◽  
Electronic Medical Record ◽  
Research Network ◽  
Lower Odds ◽  
All Cause Mortality ◽  
Long Term Impact

Background There is limited evidence of long‐term impact of exercise‐based cardiac rehabilitation (CR) on clinical end points for patients with atrial fibrillation (AF). We therefore compared 18‐month all‐cause mortality, hospitalization, stroke, and heart failure in patients with AF and an electronic medical record of exercise‐based CR to matched controls. Methods and Results This retrospective cohort study included patient data obtained on February 3, 2021 from a global federated health research network. Patients with AF undergoing exercise‐based CR were propensity‐score matched to patients with AF without exercise‐based CR by age, sex, race, comorbidities, cardiovascular procedures, and cardiovascular medication. We ascertained 18‐month incidence of all‐cause mortality, hospitalization, stroke, and heart failure. Of 1 366 422 patients with AF, 11 947 patients had an electronic medical record of exercise‐based CR within 6‐months of incident AF who were propensity‐score matched with 11 947 patients with AF without CR. Exercise‐based CR was associated with 68% lower odds of all‐cause mortality (odds ratio, 0.32; 95% CI, 0.29–0.35), 44% lower odds of rehospitalization (0.56; 95% CI, 0.53–0.59), and 16% lower odds of incident stroke (0.84; 95% CI, 0.72–0.99) compared with propensity‐score matched controls. No significant associations were shown for incident heart failure (0.93; 95% CI, 0.84–1.04). The beneficial association of exercise‐based CR on all‐cause mortality was independent of sex, older age, comorbidities, and AF subtype. Conclusions Exercise‐based CR among patients with incident AF was associated with lower odds of all‐cause mortality, rehospitalization, and incident stroke at 18‐month follow‐up, supporting the provision of exercise‐based CR for patients with AF.

scholarly journals Serum urate and cardiovascular events in the DCCT/EDIC study

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Alicia J. Jenkins ◽  
Barbara H. Braffett ◽  
Arpita Basu ◽  
Ionut Bebu ◽  
Samuel Dagogo-Jack ◽  
...  
Keyword(s):  
Cardiovascular Events ◽  
Serum Urate ◽  
Continuous Variable ◽  
Major Adverse Cardiovascular Events ◽  
Normal Range ◽  
The Metabolic Syndrome ◽  
Routine Measurement

AbstractIn type 2 diabetes, hyperuricemia is associated with cardiovascular disease (CVD) and the metabolic syndrome (MetS), but associations in type 1 diabetes (T1D) have not been well-defined. This study examined the relationships between serum urate (SU) concentrations, clinical and biochemical factors, and subsequent cardiovascular events in a well-characterized cohort of adults with T1D. In 973 participants with T1D in the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications Study (DCCT/EDIC), associations were defined between SU, measured once in blood collected 1997–2000, and (a) concurrent MetS and (b) incident ‘any CVD’ and major adverse cardiovascular events (MACE) through 2013. SU was higher in men than women [mean (SD): 4.47 (0.99) vs. 3.39 (0.97) mg/dl, respectively, p < 0.0001], and was associated with MetS features in both (men: p = 0.0016; women: p < 0.0001). During follow-up, 110 participants (11%) experienced “any CVD”, and 53 (5%) a MACE. Analyzed by quartiles, SU was not associated with subsequent CVD or MACE. In women, SU as a continuous variable was associated with MACE (unadjusted HR: 1.52; 95% CI 1.07–2.16; p = 0.0211) even after adjustment for age and HbA1c (HR: 1.47; 95% CI 1.01–2.14; p = 0.0467). Predominantly normal range serum urate concentrations in T1D were higher in men than women and were associated with features of the MetS. In some analyses of women only, SU was associated with subsequent MACE. Routine measurement of SU to assess cardiovascular risk in T1D is not merited.Trial registration clinicaltrials.gov NCT00360815 and NCT00360893.

scholarly journals POS1015 ANTI-TNF DRUGS AND CARDIOVASCULAR EVENTS IN PATIENTS WITH SPONDYLOARTHRITIS

2021 ◽  
Vol 80 (Suppl 1) ◽  
pp. 775.2-776
Author(s):  
C. W. S. Chan ◽  
P. H. LI ◽  
C. S. Lau ◽  
H. Y. Chung
Keyword(s):  
Risk Factors ◽  
Psoriatic Arthritis ◽  
Cardiovascular Events ◽  
Clinical Information ◽  
Incidence Rates ◽  
Major Adverse Cardiovascular Events ◽  
Cross Sectional ◽  
Cerebrovascular Events ◽  
Cardiovascular Morbidity And Mortality

Background:Cardiovascular (CVS) diseases are the leading cause of death worldwide and patients with rheumatic diseases have an increased CVS risk including stroke and myocardial infarction (MI) (1-3). CVS risk factors and CVS events are common in SpA (4). Delineating the CVS risk and the association with medications in patients with SpA would be useful.Objectives:The objective of this study was to delineate the CVS risk and the association with medications in patients with SpA.Methods:Patients with SpA and patients with non-specific back pain (NSBP) were identified in rheumatology and orthopedics clinics respectively. Clinical information and CVS events were retrieved. Incidence rates were calculated. Association analysis was performed to determine the CVS risk of SpA and other modifiable risk factors.Results:A total of 5046 patients (SpA 2616 and NSBP 2430) were included from eight centers. Over 56 484 person-years of follow-up, 160 strokes, 84 MI and 262 major adverse cardiovascular events (MACE) were identified. Hypercholesterolemia was more prevalent in SpA (SpA 34.2%, NSBP 28.7%, P<0.01). Crude incidence rates of stroke and MI were higher in SpA patients. SpA was associated with a higher risk of MACE (HR 1.66, 95%CI 1.22-2.27, P<0.01) and cerebrovascular events (HR 1.42, 95%CI 1.01-2.00, p=0.04). The use of anti-tumor necrosis factor (TNF) drugs was associated with a reduced risk of MACE (HR 0.37, 95%CI 0.17-0.80, P=0.01) and cerebrovascular events (HR 0.21, 95%CI 0.06-0.78, P=0.02).Conclusion:SpA is an independent CVS risk factor. Anti-TNF drugs were associated with a reduced CVS risk in these patients.References:[1]Crowson CS, Liao KP, Davis JM, 3rd, Solomon DH, Matteson EL, Knutson KL, et al. Rheumatoid arthritis and cardiovascular disease. Am Heart J. 2013;166(4):622-8 e1.[2]Verhoeven F, Prati C, Demougeot C, Wendling D. Cardiovascular risk in psoriatic arthritis, a narrative review. Joint Bone Spine. 2020;87(5):413-8.[3]Liew JW, Ramiro S, Gensler LS. Cardiovascular morbidity and mortality in ankylosing spondylitis and psoriatic arthritis. Best Pract Res Clin Rheumatol. 2018;32(3):369-89.[4]Molto A, Etcheto A, van der Heijde D, Landewe R, van den Bosch F, Bautista Molano W, et al. Prevalence of comorbidities and evaluation of their screening in spondyloarthritis: results of the international cross-sectional ASAS-COMOSPA study. Ann Rheum Dis. 2016;75(6):1016-23.Disclosure of Interests:None declared.

Impact of cardiac rehabilitation on 3 year outcomes amongst patients after acute coronary syndrome: (ACS) SNAPSHOT ACS follow-up study

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
J Redfern ◽  
K Hyun ◽  
D Brieger ◽  
D Chew ◽  
J French ◽  
...  
Keyword(s):  
Acute Coronary Syndrome ◽  
Cardiac Rehabilitation ◽  
Data Linkage ◽  
Research Network ◽  
Funding Source ◽  
Cardiovascular Research ◽  
Coronary Syndrome ◽  
Follow Up Study ◽  
Significant Difference

Abstract Background Cardiovascular disease is the leading cause of disease burden globally. With advancements in medical and surgical care more people are surviving initial acute coronary syndrome (ACS) and are in need of secondary prevention and cardiac rehabilitation (CR). Increasing availability of high quality individual-level data linkage provides robust estimates of outcomes long-term. Purpose To compare 3 year outcomes amongst ACS survivors who did and did not participate in Australian CR programs. Methods SNAPSHOT ACS follow-up study included 1806 patients admitted to 232 hospitals who were followed-up by data linkage (cross-jurisdictional morbidity, national death index, Pharmaceutical Benefit Schedule) at 6 and 36 months to compare those who did/not attend CR. Results In total, the cohort had a mean age of 65.8 (13.4) years, 60% were male, only 25% (461/1806) attended CR. During index admission, attendees were more likely to have had PCI (39% v 14%, p&lt;0.001), CABG (11% v 2%, p&lt;0.001) and a diagnosis of STEMI (21% v 5%, p&lt;0.001) than those who did not attend. However, there was no significant difference between CR attendees/non-attendees for risk factors (LDL-cholesterol, smoking, obesity). Only 19% of eligible women attended CR compared to 30% of men (p&lt;0.001). At 36 months, there were fewer deaths amongst CR attendees (19/461, 4.1%) than non-attendees (116/1345, 8.6%) (p=0.001). CR attendees were more likely to have repeat ACS, PCI, CABG at both 6 and 36 months (Table). At 36 months, CR attendees were more likely to have been prescribed antiplatelets (78% v 53%, p&lt;0.001), statins (91% 73%, p&lt;0.001), beta-blockers (11% v 13%, p=0.002) and ACEI/ARBs (72% v 61%, p&lt;0.001) than non-attendees. Conclusions Amongst Australian ACS survivors, participation in CR was associated with less likelihood of death and increased prescription of pharmacotherapy. However, attendance at CR was associated with higher rates of repeat ACS and revascularisation. Funding Acknowledgement Type of funding source: Foundation. Main funding source(s): New South Wales Cardiovascular Research Network, National Heart Foundation

scholarly journals Prognostic value of myocardial perfusion scintigraphy in asymptomatic patients with diabetes mellitus at high cardiovascular risk: 5-year follow-up of the prospective multicenter BARDOT trial

2021 ◽  
Author(s):  
Federico Caobelli ◽  
◽  
Philip Haaf ◽  
Gianluca Haenny ◽  
Matthias Pfisterer ◽  
...  
Keyword(s):  
Cardiovascular Risk ◽  
Myocardial Perfusion ◽  
Cardiovascular Events ◽  
Prognostic Value ◽  
Myocardial Perfusion Scintigraphy ◽  
Major Adverse Cardiovascular Events ◽  
Diabetic Patients ◽  
Perfusion Scintigraphy ◽  
High Cardiovascular Risk

Abstract Background The Basel Asymptomatic High-Risk Diabetics’ Outcome Trial (BARDOT) demonstrated that asymptomatic diabetic patients with an abnormal myocardial perfusion scintigraphy (MPS) were at increased risk of major adverse cardiovascular events (MACEs) at 2-year follow-up. It remains unclear whether this finding holds true even for a longer follow-up. Methods Four hundred patients with type 2 diabetes, neither history nor symptoms of coronary artery disease (CAD), were evaluated clinically and with MPS. Patients were followed up for 5 years. Major adverse cardiovascular events (MACEs) were defined as all-cause death, myocardial infarction, or late coronary revascularization. Results At baseline, an abnormal MPS (SSS ≥ 4 or SDS ≥ 2) was found in 87 of 400 patients (22%). MACE within 5 years occurred in 14 patients with abnormal MPS (16.1%) and in 22 with normal scan (1.7%), p = 0.009; 15 deaths were recorded. Patients with completely normal MPS (SSS and SDS = 0) had lower rates of MACEs than patients with abnormal scans (2.5% vs. 7.0%, p = 0.032). Patients with abnormal MPS who had undergone revascularization had a lower mortality rate and a better event-free survival from MI and revascularization than patients with abnormal MPS who had either undergone medical therapy only or could not be revascularized (p = 0.002). Conclusions MPS may have prognostic value in asymptomatic diabetic patients at high cardiovascular risk over a follow-up period of 5 years. Patients with completely normal MPS have a low event rate and may not need retesting within 5 years. Patients with an abnormal MPS have higher event rates and may benefit from a combined medical and revascularization approach.

scholarly journals Assessing Risk in Patients with Stable Coronary Disease: When Should We Intensify Care and Follow-Up? Results from a Meta-Analysis of Observational Studies of the COURAGE and FAME Era

Scientifica ◽  
2016 ◽  
Vol 2016 ◽  
pp. 1-10 ◽  
Author(s):  
Umberto Barbero ◽  
Fabrizio D’Ascenzo ◽  
Freek Nijhoff ◽  
Claudio Moretti ◽  
Giuseppe Biondi-Zoccai ◽  
...  
Keyword(s):  
Stable Angina ◽  
Cardiovascular Events ◽  
Meta Analysis ◽  
Stable Coronary Artery Disease ◽  
Random Effect ◽  
Composite Endpoint ◽  
Major Adverse Cardiovascular Event ◽  
Cardiac Events ◽  
Adverse Cardiovascular Event

Background. A large number of clinical and laboratory markers have been appraised to predict prognosis in patients with stable angina, but uncertainty remains regarding which variables are the best predictors of prognosis. Therefore, we performed a meta-analysis of studies in patients with stable angina to assess which variables predict prognosis.Methods. MEDLINE and PubMed were searched for eligible studies published up to 2015, reporting multivariate predictors of major adverse cardiac events (MACE, a composite endpoint of death, myocardial infarction, and revascularization) in patients with stable angina. Study features, patient characteristics, and prevalence and predictors of such events were abstracted and pooled with random-effect methods (95% CIs). Major adverse cardiovascular event (MACE) was the primary endpoint.Results. 42 studies (104,559 patients) were included. After a median follow-up of 57 months, cardiovascular events occurred in 7.8% of patients with MI in 6.2% of patients and need for repeat revascularization (both surgical and percutaneous) in 19.5% of patients. Male sex, reduced EF, diabetes, prior MI, and high C-reactive protein were the most powerful predictors of cardiovascular events.Conclusions. We show that simple and low-cost clinical features may help clinicians in identifying the most appropriate diagnostic and therapeutic approaches within the broad range of outpatients presenting with stable coronary artery disease.

P6424The association between long-term beta-blocker use and outcome in a contemporary large-scale cohort of patients with acute myocardial infarction

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
C X Song ◽  
R Fu ◽  
J G Yang ◽  
K F Dou ◽  
Y J Yang
Keyword(s):  
Myocardial Infarction ◽  
Acute Myocardial Infarction ◽  
Beta Blocker ◽  
Cardiovascular Events ◽  
Beta Blockers ◽  
Left Ventricular Ejection ◽  
Major Adverse Cardiovascular Events ◽  
Baseline Characteristics

Abstract Background Controversy exists regarding the use of beta-blockers (BBs) among patients with acute myocardial infarction (AMI) in contemporary reperfusion era. Previous studies predominantly focused on beta-blockers prescribed at discharge, and the effect of long-term adherence to beta-blocker on major adverse cardiovascular events (MACE) remains unclear. Objective To explore the association between long-term beta-blocker use patterns and MACE among contemporary AMI patients. Methods We enrolled 7860 patients with AMI, who were discharged alive and prescribed with BBs based on CAMI registry from January 2013 to September 2014. Patients were divided into two groups according to BBs use pattern: Always users group (n=4476) were defined as patients reporting BBs use at both 6- and 12-month follow-up; Inconsistent users group were defined as patients reporting at least once not using BBs at 6- or 12-month follow-up. Primary outcome was defined as MACE at 24-month follow-up, including all-cause death, non-fatal MI and repeat-revascularization. Multivariable cox proportional hazards regression model was used to assess the association between BBs and MACE. Results Baseline characteristics are shown in table 1. At 2-year follow-up, 518 patients in inconsistent users group (15.6%) and 548 patients in always users group (12.3%) had MACE. After multivariable adjustment, inconsistent use of BBs was associated with higher risk of MACE (HR: 1.323, 95% CI: 1.171–1.493, p<0.001). Table 1 Baseline characteristics Variable Always user (N=4476) Inconsistent user (N=3384) P value Age (years) 60.6±12.0 61.2±12.2 <0.001 Male 3381 (75.7%) 2461 (74.3%) 0.084 Diabetes 892 (20.0%) 610 (18.4%) 0.003 Hypertension 2372 (53.2%) 1543 (46.6%) <0.001 Dyslipidemia 244 (5.5%) 126 (3.8%) <0.001 Prior myocardial infarction 351 (7.9%) 232 (7.0%) <0.001 Heart failure 88 (2.0%) 63 (1.9%) <0.001 Chronic obstructive pulmonary disease 66 (1.5%) 60 (1.8%) <0.001 Current smoker 2054 (46.1%) 1579 (47.8%) 0.179 Left ventricular ejection fraction (%) 53.7±11.48 54.0±10.9 <0.001 Major Adverse Cardiovascular Events 548 (12.3%) 518 (15.6%) <0.001 Conclusions Our results showed consistent BBs use was associated with reduced risk of MACE among patients with AMI managed by contemporary treatment. Acknowledgement/Funding CAMS Innovation Fund for Medical Sciences (CIFMS) (2016-I2M-1-009)

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