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      Translated title: Associação entre calcificações arteriais mamárias e fatores de risco para doença cardiovascular em mulheres menopausadas

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          Abstract

          OBJETIVO: Avaliar a presença de calcificações arteriais em mamografias de mulheres menopausadas e a sua associação com fatores de risco para doenças cardiovasculares. MÉTODOS: Trata-se de um estudo de corte transversal e retrospectivo, em que foram analisados as mamografias e os prontuários médicos de 197 pacientes atendidas no período entre 2004 e 2005. As variáveis do estudo foram: calcificação arterial mamária, acidente vascular cerebral, síndrome coronariana aguda, idade, obesidade, diabetes mellitus, tabagismo e hipertensão arterial sistêmica. Para a análise estatística dos dados, utilizaram-se os testes de Mann-Whitney, χ2 e Cochran-Armitage, sendo também avaliadas as razões de prevalência entre as variáveis descritas e calcificação arterial mamária. Os dados foram analisados com o software SAS, versão 9.1. RESULTADOS: Dos 197 exames e prontuários analisados, observou-se a prevalência de 36,6% para calcificações arteriais nas mamografias. Entre os fatores de risco para doença cardiovascular avaliados, os mais frequentes foram: hipertensão (56,4%), obesidade (31,9%), tabagismo (15,2%) e diabetes (14,7%). A síndrome coronariana aguda e o acidente vascular cerebral tiveram prevalências de 5,6 e 2,0% respectivamente. Entre as mamografias de mulheres diabéticas, a maior ocorrência foi de calcificação arterial mamária com razão de prevalência de 2,1 (IC95%1,0-4,1) e valor p de 0,02. Por outro lado, nas mamografias de pacientes fumantes, foi menor a ocorrência de calcificação arterial mamária com razão de prevalência de 0,3 (IC95% 0,1-0,8). Hipertensão arterial sistêmica, obesidade, diabetes mellitus, acidente vascular cerebral e síndrome coronariana aguda não apresentaram associação significativa com calcificações mamárias. CONCLUSÃO: A ocorrência de calcificação arterial mamária foi associada ao diabetes mellitus e mostrou associação negativa com o tabagismo. A presença de calcificação revelou-se independente dos demais fatores de risco para doença cardiovascular analisados.

          Translated abstract

          PURPOSE: To analyze associations between mammographic arterial mammary calcifications in menopausal women and risk factors for cardiovascular disease. METHODS: This was a cross-sectional retrospective study, in which we analyzed the mammograms and medical records of 197 patients treated between 2004 and 2005. Study variables were: breast arterial calcifications, stroke, acute coronary syndrome, age, obesity, diabetes mellitus, smoking, and hypertension. For statistical analysis, we used the Mann-Whitney, χ2 and Cochran-Armitage tests, and also evaluated the prevalence ratios between these variables and mammary artery calcifications. Data were analyzed with the SAS version 9.1 software. RESULTS: In the group of 197 women, there was a prevalence of 36.6% of arterial calcifications on mammograms. Among the risk factors analyzed, the most frequent were hypertension (56.4%), obesity (31.9%), smoking (15.2%), and diabetes (14.7%). Acute coronary syndrome and stroke presented 5.6 and 2.0% of prevalence, respectively. Among the mammograms of women with diabetes, the odds ratio of mammary artery calcifications was 2.1 (95%CI 1.0-4.1), with p-value of 0.02. On the other hand, the mammograms of smokers showed the low occurrence of breast arterial calcification, with an odds ratio of 0.3 (95%CI 0.1-0.8). Hypertension, obesity, diabetes mellitus, stroke and acute coronary syndrome were not significantly associated with breast arterial calcification. CONCLUSION: The occurrence of breast arterial calcification was associated with diabetes mellitus and was negatively associated with smoking. The presence of calcification was independent of the other risk factors for cardiovascular disease analyzed.

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          Applied multivariate statistics for the social sciences

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            Scientific gaps in the prediction and prevention of sudden cardiac death.

            The population impact of sudden death remains an unresolved problem despite growing insights into pathophysiologic mechanisms and therapeutic approaches. To make further progress, basic scientists, clinical investigators, and epidemiologists must merge their efforts to achieve better predictive strategies. Better understanding of basic physiologic mechanisms and integration of multiple points of attack in the cascade of coronary atherosclerosis are required. Identification of genetic markers of risk at all levels of the cascade offer one avenue for improving risk predictions. The epidemiologic strategies must go beyond multivariate analysis to the level complex systems analysis of the multiple components of the cascade. Targets for such approaches are discussed.
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              Breast arterial calcifications (BACs) found on screening mammography and their association with cardiovascular disease.

              Breast arterial calcifications (BACs) are common but unreported findings on screening mammograms. This study correlated mammographically detected BACs with coronary artery disease (CAD) risk factors and a history of atherosclerotic cardiovascular disease (ASCVD), estimating the relative risk of ASCVD in patients with BACs. Women arriving for breast cancer screening mammography gave their consent to complete a questionnaire and to allow their mammograms to be analyzed independently for the presence of BACs by certified radiologists, who were blinded to the results of the questionnaire. The questionnaire assessed major risk factors for CAD and gathered information on hormone therapy use. Of the 1,919 women with results, 268 were BAC positive, giving a BAC prevalence of 14%. Five cardiovascular risk factors (age, hypertension, hypercholesteremia, diabetes mellitus, and menopause) were significantly more prevalent in the BAC-positive population (P < 0.001). The BAC-positive group also had a significantly higher (P < 0.001) occurrence of ASCVD events (angina, previous myocardial infarction, previous abnormal angiography, previous stroke, and previous coronary artery bypass graft). Multiple logistic regression analysis found BACs to be strongly associated with ASCVD events (odds ratio = 2.29, 95% CI: 1.40-3.74) as compared with other CAD risk factors (including hypertension, cigarette smoking, diabetes mellitus, age, and family history of ASCVD). The association of BAC with ASCVD was present even after accounting for age. BACs are associated with an increased prevalence of both cardiovascular risk factors and cardiovascular morbidity. BACs may be a practical tool to use as a risk indicator for CAD in women.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbgo
                Revista Brasileira de Ginecologia e Obstetrícia
                Rev. Bras. Ginecol. Obstet.
                Federação Brasileira das Sociedades de Ginecologia e Obstetrícia (Rio de Janeiro )
                1806-9339
                July 2014
                : 36
                : 7
                : 315-319
                Affiliations
                [1 ] Universidade Estadual de Campinas Brazil
                [2 ] Universidade Estadual de Campinas Brazil
                [3 ] Universidade Estadual de Campinas Brazil
                [4 ] Universidade Estadual de Campinas Brazil
                [5 ] Universidade Estadual de Campinas Brazil
                Article
                S0100-72032014000700315
                10.159/S0100-720320140004977
                7dd35eec-b034-4443-9546-ca5cb7022f76

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-7203&lng=en
                Categories
                OBSTETRICS & GYNECOLOGY

                Obstetrics & Gynecology
                Breast diseases,Calcinosis/pathology,Cardiovascular diseases,Mammography,Menopause,Risk factors,Doenças mamárias,Calcinose,Doenças cardiovasculares,Mamografia,Menopausa,Fatores de risco

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