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      Long-term prognosis of unheralded myocardial infarction vs chronic angina; role of sex and coronary atherosclerosis burden

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          Abstract

          Background

          Angina pectoris (AP) and unheralded myocardial infarction (MI) are considered random clinical equivalents of ischemic heart disease (IHD). Aim of the study was to evaluate the long-term progression of AP as opposed to unheralded MI as alternative first clinical presentations of IHD and the effect of sex on prognosis.

          Methods

          The study included 2272 consecutive patients, 1419 MI and 1353 AP, hospitalized from 1995 to 2007 at CNR Clinical Physiology Institute, Pisa, Italy and followed up to December 2013, who fulfilled the following criteria: unheralded MI or AP as first manifestation of IHD; age < = 70 years; known coronary anatomy; at least 10-year follow-up. Fatal and non fatal MI, all-cause, and cardiac deaths were the end-points.

          Results

          Males were predominant in MI (86%) as compared to AP (77%). Females were predominantly affected by AP (61%, MI 39%), and older than men (61 ± 7 vs 59 ± 8 years, p < 0.001). Coronary stenoses were prevalent in MI. During 115 ± 58 months follow-up, 628 deaths (23%) were observed, including 269 cardiac (43%), and 149 cancer deaths (24%). Long-term prognosis was significantly better in AP than MI group. The lowest prevalence of future MI was recorded in female AP ( p < 0.001).

          Conclusions

          MI as first clinical manifestation of IHD implies a more adverse prognosis than AP; future MI is a rare event in AP; sex influences the first presentation of IHD and its course with possible implications for preventive strategy.

          Electronic supplementary material

          The online version of this article (10.1186/s12872-018-0890-5) contains supplementary material, which is available to authorized users.

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          Most cited references28

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          Efficacy of perindopril in reduction of cardiovascular events among patients with stable coronary artery disease: randomised, double-blind, placebo-controlled, multicentre trial (the EUROPA study).

          K. Fox (2003)
          Treatment with angiotensin-converting-enzyme (ACE) inhibitors reduces the rate of cardiovascular events among patients with left-ventricular dysfunction and those at high risk of such events. We assessed whether the ACE inhibitor perindopril reduced cardiovascular risk in a low-risk population with stable coronary heart disease and no apparent heart failure. We recruited patients from October, 1997, to June, 2000. 13655 patients were registered with previous myocardial infarction (64%), angiographic evidence of coronary artery disease (61%), coronary revascularisation (55%), or a positive stress test only (5%). After a run-in period of 4 weeks, in which all patients received perindopril, 12218 patients were randomly assigned perindopril 8 mg once daily (n=6110), or matching placebo (n=6108). The mean follow-up was 4.2 years, and the primary endpoint was cardiovascular death, myocardial infarction, or cardiac arrest. Analysis was by intention to treat. Mean age of patients was 60 years (SD 9), 85% were male, 92% were taking platelet inhibitors, 62% beta blockers, and 58% lipid-lowering therapy. 603 (10%) placebo and 488 (8%) perindopril patients experienced the primary endpoint, which yields a 20% relative risk reduction (95% CI 9-29, p=0.0003) with perindopril. These benefits were consistent in all predefined subgroups and secondary endpoints. Perindopril was well tolerated. Among patients with stable coronary heart disease without apparent heart failure, perindopril can significantly improve outcome. About 50 patients need to be treated for a period of 4 years to prevent one major cardiovascular event. Treatment with perindopril, on top of other preventive medications, should be considered in all patients with coronary heart disease.
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            Insights from the NHLBI-Sponsored Women's Ischemia Syndrome Evaluation (WISE) Study: Part II: gender differences in presentation, diagnosis, and outcome with regard to gender-based pathophysiology of atherosclerosis and macrovascular and microvascular coronary disease.

            Coronary heart disease is the leading cause of death and disability in the U.S., but recent advances have not led to declines in case fatality rates for women. The current review highlights gender-specific issues in ischemic heart disease (IHD) presentation, evaluation, and outcomes with a special focus on the results derived from the National Institutes of Health-National Heart, Lung, and Blood Institute-sponsored Women's Ischemia Syndrome Evaluation (WISE) study. In the second part of this review, we will assess new evidence on gender-based differences in vascular wall or metabolic alterations, atherosclerotic plaque deposition, and functional expression on worsening outcomes of women. Additionally, innovative cardiovascular imaging techniques will be discussed. Finally, we identify critical areas of further inquiry needed to advance this new gender-specific IHD understanding into improved outcomes for women.
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              Chronic coronary artery disease: diagnosis and management.

              Coronary artery disease (CAD) is the single most common cause of death in the developed world, responsible for about 1 in every 5 deaths. The morbidity, mortality, and socioeconomic importance of this disease make timely accurate diagnosis and cost-effective management of CAD of the utmost importance. This comprehensive review of the literature highlights key elements in the diagnosis, risk stratification, and management strategies of patients with chronic CAD. Relevant articles were identified by searching the PubMed database for the following terms: chronic coronary artery disease or stable angina. Novel imaging modalities, pharmacological treatment, and invasive (percutaneous and surgical) interventions have revolutionized the current treatment of patients with chronic CAD. Medical treatment remains the cornerstone of management, but revascularization continues to play an important role. In the current economic climate and with health care reform very much on the horizon, the issue of appropriate use of revascularization is important, and the indications for revascularization, in addition to the relative benefits and risks of a percutaneous vs a surgical approach, are discussed.
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                Author and article information

                Contributors
                0039-050-3152005 , clara@ifc.cnr.it
                claudiomichelassi@gmail.com
                patrizia.landi@gmail.com
                segrlabb@ifc.cnr.it
                Journal
                BMC Cardiovasc Disord
                BMC Cardiovasc Disord
                BMC Cardiovascular Disorders
                BioMed Central (London )
                1471-2261
                31 July 2018
                31 July 2018
                2018
                : 18
                : 156
                Affiliations
                [1 ]ISNI 0000 0004 1756 390X, GRID grid.418529.3, CNR Institute of Clinical Physiology, ; Via Moruzzi, 1, 56124 Pisa, Italy
                [2 ]ISNI 0000 0004 1762 600X, GRID grid.263145.7, Scuola Superiore Sant’Anna, Institute of Life Sciences, ; Piazza Martiri della Libertà 33, Pisa, Italy
                Author information
                http://orcid.org/0000-0002-4319-7179
                Article
                890
                10.1186/s12872-018-0890-5
                6069774
                30064378
                bf8b73bd-e239-4512-b6db-e1bedfd2a756
                © The Author(s). 2018

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

                History
                : 14 March 2018
                : 18 July 2018
                Funding
                Funded by: Italian National Research Council (CNR), Progetto di Interesse “Invecchiamento.”
                Categories
                Research Article
                Custom metadata
                © The Author(s) 2018

                Cardiovascular Medicine
                angina pectoris,myocardial infarction,prognosis,coronary atherosclerosis,sex

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