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type=\u0022text\/css\u0022 rel=\u0022stylesheet\u0022 href=\u0022\/\/d282kpwvnogo5m.cloudfront.net\/sites\/default\/files\/advagg_css\/css__ce2QY63WIanKyr8eSq7eavr1XQRRmFD6ZSmwpyJi8lM__zXwFqpqmxrZOXXcd_TpBQpjuELbmIP9wBR5UuTDWAO4__YJWWMMdfCJuAFm5cUEp88OsodhO3ZA-2lzRfoBsSlk4.css\u0022 media=\u0022all\u0022 \/\u003E\n\u003Clink rel=\u0027stylesheet\u0027 type=\u0027text\/css\u0027 href=\u0027\/sites\/all\/modules\/contrib\/panels\/plugins\/layouts\/onecol\/onecol.css\u0027 \/\u003E\u003C\/head\u003E\u003Cbody\u003E\u003Cdiv class=\u0022panels-ajax-tab-panel panels-ajax-tab-panel-sageoa-tab-art\u0022\u003E\u003Cdiv class=\u0022panel-display panel-1col clearfix\u0022 \u003E\n  \u003Cdiv class=\u0022panel-panel panel-col\u0022\u003E\n    \u003Cdiv\u003E\u003Cdiv class=\u0022panel-pane pane-highwire-markup\u0022 \u003E\n  \n      \n  \n  \u003Cdiv class=\u0022pane-content\u0022\u003E\n    \u003Cdiv class=\u0022highwire-markup\u0022\u003E\u003Cdiv xmlns=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022 id=\u0022content-block-markup\u0022 xmlns:xhtml=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022\u003E\u003Cdiv class=\u0022article fulltext-view \u0022\u003E\u003Cspan class=\u0022highwire-journal-article-marker-start\u0022\u003E\u003C\/span\u003E\u003Cdiv class=\u0022section abstract\u0022 id=\u0022abstract-1\u0022\u003E\u003Ch2\u003ESummary\u003C\/h2\u003E\n            \u003Cp id=\u0022p-1\u0022\u003EAnalysis of pooled data from 2 placebo-controlled studies (BEAUTIFUL and SHIFT) has revealed an association between resting heart rate in patients with systolic dysfunction and subsequent cardiovascular events and death. This risk persists with repeated measurements of resting heart rate, despite adjustment for baseline or prior heart rate measurement. Prior analysis of a third study indicated that these risks persist with time if the elevated heart rate is maintained. The findings of an international consortium of researchers were presented by .\u003C\/p\u003E\n         \u003C\/div\u003E\u003Cul class=\u0022kwd-group\u0022\u003E\u003Cli class=\u0022kwd\u0022\u003EHeart Failure\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003ECardiology Clinical Trials\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003ECardiology\u003C\/li\u003E\u003C\/ul\u003E\u003Cul class=\u0022kwd-group clinical-trial\u0022\u003E\u003Cli class=\u0022kwd\u0022\u003EHeart Failure\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003ECardiology Clinical Trials\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003ECardiology\u003C\/li\u003E\u003C\/ul\u003E\u003Cp id=\u0022p-2\u0022\u003EAnalysis of pooled data from 2 placebo-controlled studies has revealed an association between resting heart rate in patients with systolic dysfunction and subsequent cardiovascular events and death. This risk persists with repeated measurements of resting heart rate, despite adjustment for baseline or prior heart rate measurement. Prior analysis of a third study indicated that these risks persist with time if the elevated heart rate is maintained. The findings of an international consortium of researchers were presented by Karl Swedberg, MD, University of Gothenburg, Gothenburg, Sweden.\u003C\/p\u003E\u003Cp id=\u0022p-3\u0022\u003EResting heart rate in sinus rhythm is linked with increased morbidity and death in patients with systolic heart failure (HF). Data suggest that reducing the resting heart rate can be beneficial for patient outcomes [Swedberg K et al. \u003Cem\u003ELancet\u003C\/em\u003E 2010]. But whether the association between resting heart rate and cardiovascular risk persists in the long term and whether continued monitoring of heart rate is associated with further reductions in risk remain unknown.\u003C\/p\u003E\u003Cp id=\u0022p-4\u0022\u003ETo clarify, the researchers analyzed pooled data from the placebo-treated patients in 2 studies. The Effects of Ivabradine on Cardiovascular Events in Patients With Stable Coronary Artery Disease and Left Ventricular Systolic Dysfunction [BEAUTIFUL; \u003Ca class=\u0022external-ref external-ref-type-clintrialgov\u0022 href=\u0022\/lookup\/external-ref?link_type=CLINTRIALGOV\u0026amp;access_num=NCT00143507\u0026amp;atom=%2Fspmdc%2F14%2F12%2F14.1.atom\u0022\u003ENCT00143507\u003C\/a\u003E] was a randomized, double-blind, placebo-controlled, parallel-group trial that involved almost 11,000 patients with coronary arterial disease with left ventricular ejection fractions \u0026lt;40%. In BEAUTIFUL, patients were randomly selected to receive either ivabradine 5 mg or placebo in addition to appropriate cardiac medications [Fox K et al. \u003Cem\u003ELancet\u003C\/em\u003E 2008]. The Systolic Heart Failure Treatment With the If Inhibitor Ivabradine Trial [SHIFT] was a randomized, placebo-controlled study that involved 6558 patients with symptomatic HF and left ventricular ejection fractions \u226535%. In SHIFT, patients were randomly selected to receive either ivabradine or matching placebo [Swedberg K et al. \u003Cem\u003ELancet\u003C\/em\u003E 2010].\u003C\/p\u003E\u003Cp id=\u0022p-5\u0022\u003EFor the present study, patients were pooled to assess the impact of repeated electrocardiographic measurements of heart rate on the rate of cardiovascular disease or hospitalizations for HF, the primary end point. Additional endpoints included cardiovascular disease or hospitalization for myocardial infarction, hospitalization for myocardial infarction only, hospitalization for HF only, and cardiovascular disease.\u003C\/p\u003E\u003Cp id=\u0022p-6\u0022\u003ECompared with the reference heart rate group, patients with heart rates \u226585 beats\/minute had significantly elevated risk compared with those with heart rates of \u0026lt;60, 60 to 64, 70 to 74, 75 to 79, and 80 to 84 beats\/minute in all categories except hospitalization for myocardial infarction.\u003C\/p\u003E\u003Cp id=\u0022p-7\u0022\u003EThe risk was maintained with repeated measurements of resting rate, even after adjusting for baseline or the immediately preceding heart rate determination.\u003C\/p\u003E\u003Cp id=\u0022p-8\u0022\u003ETo determine if increased heart rate at baseline was predictive of adverse events during a 6-month to 1-year follow-up, the researchers analyzed data from the Candesartan in Heart Failure: Assessment of Reduction in Mortality and Morbidity program [Pfeffer MA et al. \u003Cem\u003ELancet\u003C\/em\u003E 2003] to assess the association between the heart rate at each clinic visit and the subsequent outcome. The results, which were first presented by Vazir A et al. at the 2014 American College of Cardiology annual meeting, revealed an increased risk both for subsequent hospitalization for HF and for cardiovascular-related death, with increasing heart rate measured at any time during follow-up for 3.5 years.\u003C\/p\u003E\u003Cp id=\u0022p-9\u0022\u003EDr. Swedberg and colleagues concluded that resting heart rate in patients with systolic dysfunction is associated with subsequent cardiovascular outcomes and with death. The risk is maintained with repeated measurements, even after adjustment for baseline or previous measurements. The repeated heart rate measurements strengthen the evidence indicating that a resting heart rate \u0026lt;70 beats\/minute is desirable in terms of cardiovascular risk.\u003C\/p\u003E\u003Cul class=\u0022copyright-statement\u0022\u003E\u003Cli class=\u0022fn\u0022 id=\u0022copyright-statement-1\u0022\u003E\u00a9 2014 MD Conference Express\u00ae\u003C\/li\u003E\u003C\/ul\u003E\u003Cspan class=\u0022highwire-journal-article-marker-end\u0022\u003E\u003C\/span\u003E\u003C\/div\u003E\u003Cspan id=\u0022related-urls\u0022\u003E\u003C\/span\u003E\u003C\/div\u003E\u003Ca href=\u0022http:\/\/mdc.sagepub.com\/content\/14\/12\/14.1.abstract\u0022 class=\u0022hw-link hw-link-article-abstract\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView Summary\u003C\/a\u003E\u003C\/div\u003E  \u003C\/div\u003E\n\n  \n  \u003C\/div\u003E\n\u003C\/div\u003E\n  \u003C\/div\u003E\n\u003C\/div\u003E\n\u003C\/div\u003E\u003Cscript type=\u0022text\/javascript\u0022 src=\u0022http:\/\/mdc.sagepub.com\/sites\/all\/modules\/highwire\/highwire\/plugins\/highwire_markup_process\/js\/highwire_openurl.js?nzp5m2\u0022\u003E\u003C\/script\u003E\n\u003C\/body\u003E\u003C\/html\u003E"}