Static cutoffs or tables for the diagnosis of hypertension? Effect on identification of organ damage in youths with obesity

Background and aimRecently, the European Society of Cardiology task force released a Consensus document (ESC-CD) on pediatric hypertension (HTN) supporting the use of normative tables (age range 6–16 years) for the diagnosis of HTN, while the Hypertension Canada Guidelines (HTN-CGs) proposed static cutoffs. We aimed to assess the prevalence of HTN by ESC-CD or HTN-CGs and their association with glomerular function and left ventricular (LV) geometry in youths with overweight/obesity (OW/OB).Methods and resultsData of 3446 youths were analyzed. HTN by was defined using normative tables (ESC-CD) or static cutoffs of BP ≥ 120/80 in children (age <12 years) and ≥130/85 mmHg in adolescents (age ≥12 years) (HTN-CGs). Mildly reduced glomerular filtration rate was defined by GFR <90 ≥ 60 mL/min/1.73 m². Concentric LV hypertrophy (cLVH) was assessed in 500 youths and defined by LVH and high relative wall thickness as proposed by ESC-CD. Prevalence of HTN was 27.9% by ESC-CD and 22.7% by HTN-CGs. The association with mildly reduced glomerular filtration rate was significant only in hypertensive adolescents classified by HTN-CGs [Odds Ratio (OR), 95%Cl] 2.16 (1.44–3.24), whereas the association with cLVH was significant using both criteria: children OR 2.18 (1.29–3.67) by ESC-CD and 2.27 (1.32–3.89) by HTN-CGs; adolescents OR 2.62 (1.17–5.84) by ESC-CD and 2.83 (1.14–7.02) by HTN-CGs.ConclusionAlthough static cutoffs may represent a simplification for HTN identification, tables by ESC-CD detect a higher number of hypertensive youths before a clear appearance of glomerular impairment, which offers advantages in terms of primary cardiovascular prevention.     

Extracellular Vesicle Analysis Allows for Identification of Invasive IPMN

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Positive association between body fat percentage and hyperuricemia in patients with hypertension: The China H-type hypertension registry study

Background and aimsThe relationship between the body fat percentage (BFP) and hyperuricemia is still unknown in different gender subjects. The purpose of this study was to determine the magnitude of the association between the BFP and the presence of hyperuricemia in the sex-specific group among hypertensive patients.Methods and resultsWe conducted a cross-sectional study enrolling 14,234 hypertensive participates from the Chinese Hypertension Registry Study. Body fat percentage (BFP) was calculated by simple anthropometric parameters. Hyperuricemia was defined as serum uric acid (SUA) level 420 umol/L in men and 360 umol/L in women. The mean BFP was 24.5% in men and 37.1% in women. Multiple logistic analyses showed that the relationship between BFP with the risk of hyperuricemia in a dose-dependent manner among both men (odds ratio [OR] 1.07, 95% CI 1.06, 1.09) and women (OR 1.08, 95% CI 1.06, 1.09) in the fully adjusted model. Subgroup analyses showed the positive association between BFP and the risk of hyperuricemia was consistent in all stratification subgroups (all P for interaction >0.05).ConclusionFor patients with hypertension, BFP was positively associated with an increased risk of hyperuricemia among both men and women.     

Effects of fermented dairy products on inflammatory biomarkers: A meta-analysis

AimFermented dairy products (FDPs) are made from raw milk under the action of specific microorganisms by lactic acid bacteria fermentation or co-fermentation of lactic acid bacteria, bifidobacteria, and yeast. The aim of this study was to explore the effects of FDPs on inflammatory biomarkers.Data synthesisA comprehensive search was conducted on four electronic databases, including PubMed, Web of Science, Embase, and the Cochrane Library. Finally, fourteen trials (15 arms) were included in this meta-analysis: yogurt (n = 9), fermented milk (n = 4), and kefir (n = 2). Additionally, the random effects model or fixed-effects model was used to pool the study results. Firstly, the analysis indicated that FDPs’ supplementation decreased the levels of C-reactive protein (CRP) (SMD = ?0.21; 95% CI: ?0.40, ?0.02; P = 0.033) and increased interferon-gamma (IFN-γ) levels (SMD = 0.12; 95% CI: 0.01, 0.23; P = 0.033). Furthermore, we obtained some statistically significant results in the following subgroups: CRP decreased in participants with metabolic diseases. IFN-γ increased in the intervention that lasted ≥12 weeks, Asian, yogurt, and healthy population. Finally, there was no significant effect on tumor necrosis factor-alpha, interleukin (IL)-6, IL-10, and IL-2.ConclusionsFDPs reduced CRP and increased IFN-γ, but they had no effect on other inflammatory markers. The results showed that the consumption of FDPs was slightly associated with reduced inflammation, but because of the limited literature, these results should be interpreted with caution.     

Effects of dairy products consumption on inflammatory biomarkers among adults: A systematic review and meta-analysis of randomized controlled trials

AimsThis study aimed to summarize earlier studies on the effects of dairy consumption on inflammatory biomarkers in adults and to quantify these effects through meta-analysis.Data synthesisA comprehensive search of all relevant articles, published up to December 2019 indexed in PubMed, ISI (Institute for Scientific Information), EmBase, Scopus, and Google Scholar was done using relevant keywords. Randomized controlled trials (RCTs) that examined the effect of dairy products consumption, compared with low or no dairy intake, on inflammatory biomarkers in adults were included. Overall, 11 RCTs with 663 participants were included in this meta-analysis. We found that high consumption of dairy products, compared with low or no dairy intake, might significantly reduce CRP [weighed mean difference (WMD): −0.24 mg/L; 95% CI, −0.35, −0.14], TNF-α (WMD:- 0.66 pg/mL; 95% CI, −1.23, −0.09), IL-6 (WMD: −0.74 pg/mL; 95% CI, −1.36, −0.12), and MCP concentrations (WMD: −25.58 pg/mL; 95% CI, −50.31, −0.86). However, when the analyses were confined to cross-over trials, no such beneficial effects of dairy intake on inflammation were observed. In addition, high dairy intake might result in increased adiponectin levels (WMD: 2.42 μg/mL; 95% CI, 0.17, 4.66). No significant effect of dairy consumption on serum leptin (WMD: −0.32 ng/mL; 95% CI, −3.30, 2.65), ICAM-1 (WMD: −3.38 ng/ml; 95% CI, −15.57, 8.96) and VCAM-1 (WMD: 3.1 ng/mL; 95% CI, −21.38, 27.58) levels was observed.ConclusionsIn summary, the current meta-analysis indicated that dairy intake might improve several inflammatory biomarkers in adults. In most subgroups without heterogeneity, effects tended to be null. Study design and participants’ age were the main sources of heterogeneity. More research, with a particular focus on fat content of dairy foods, is recommended.     

Prediction model for prolonged length of stay in patients with community-acquired pneumonia based on Japanese administrative data

BackgroundThe length of hospital stay in community-acquired pneumonia patients is closely associated with medical costs, the burden of which is increasing in aging societies. Herein, we developed and validated models for predicting prolonged length of stay in community-acquired pneumonia patients to support efficient care in these patients.MethodsWe obtained data of 32,916 patients hospitalized for pneumonia who were discharged between 2012 and 2013 from 304 acute care hospitals in Japan. Logistic regression models were developed with prolonged length of stay as the outcome and patient characteristics as predictors. The models were internally validated using bootstrapping and externally validated using pneumonia patients discharged in 2014.ResultsThe median length of stay was 11 (interquartile range, 8–17) days. The following were significant predictors of prolonged length of stay (odds ratio >1.6): age ≥75 years, Barthel index score ≤6, fraction of inspired oxygen ≥35%, Japan Coma Scale score of 100–300, anemia, muscle wasting and atrophy, bedsores, dysphasia, and methicillin-resistant Staphylococcus aureus infection. Our validation models had a c-statistic of 0.78 (95% confidence interval, 0.77–0.79) and a calibration slope of 0.98.ConclusionsOur prediction models may help policymakers in developing strategies for the optimal management of community-acquired pneumonia patients with a focus on patients at a high risk of prolonged length of stay.     

1H NMR based serum metabolic profiling reveals differentiating biomarkers in patients with diabetes and diabetes-related complication

BackgroundDiabetes is among the most prevalent diseases worldwide, of all the affected individuals a significant proportion of the population remains undiagnosed due to lack of specific symptoms early in this disorder and inadequate diagnostics. Diabetes and its associated sequela, i.e., comorbidity are associated with microvascular and macrovascular complications. As diabetes is characterized by an altered metabolism of key metabolites and regulatory pathways. Metabolic phenotyping can provide us with a better understanding of the unique set of regulatory perturbations that predispose to diabetes and its associated complication/comorbidities.MethodologyThe present study utilizes the analytical platform NMR spectroscopy coupled with Random Forest statistical analysis to identify the discriminatory metabolites in diabetes (DB = 38) vs. diabetes-related complication (DC = 35) along with the healthy control (HC = 50) subjects. A combined and pairwise analysis was performed to identify the discriminatory metabolites responsible for class separation. The perturbed metabolites were further rigorously validated using t-test, AUROC analysis to examine the statistical significance of the identified metabolites.ResultsThe DB and DC patients were well discriminated from HC. However, 15 metabolites were found to be significantly perturbed in DC patients compared to DB, the identified panel of metabolites are TCA cycle (succinate, citrate), methylamine metabolism (trimethylamine, methylamine, betaine), -intermediates; energy metabolites (glucose, lactate, pyruvate); and amino acids (valine, arginine, glutamate, methionine, proline, and threonine).ConclusionThe ¹H NMR metabolomics may prove a promising technique to differentiate and predict diabetes and its complication on their onset or progression by determining the altered levels of the metabolites in serum.     

Comparison of different obesity indices related with hypertension among different sex and age groups in China

Background and aimsTo compare the relationships of five obesity-related routine anthropometric indicators (body mass index (BMI), body adiposity index (BAI), waist circumference (WC), waist-to-hip ratio (WHR), waist-to-height ratio (WHtR)) for hypertension in both sexes and among different age groups of the Chinese population.Methods and resultsA total of 12,064 adult participants (5638 males and 6426 females) were included. Odds ratios (OR) and 95% confidence intervals were used with binary logistic regression models to estimate the risk of hypertension for each obesity index. For the males, WHtR had the highest OR value in all age groups. The degrees of correlation between hypertension and the obesity indices for different age groups were different among the females. WC, BMI, and WHtR were the highest in the 18–44, 45–59, and ≥60 years age groups, respectively. Furthermore, we compared the area under the ROC curve (AUC) of each obesity index for the criterion of hypertension under the influence of risk factors. For the males, the AUC of WHtR was the largest (0.814, 0.710, and 0.662). WC (AUC = 0.820), BMI (AUC = 0.765), and WHtR (AUC = 0.668) tended to be the best criteria for hypertension among females in the 18–44, 45–59, and ≥60 years age groups respectively. In addition, BAI, as an obesity indicator proposed in recent years, has a positive association with hypertension except in 18–44 years women, which was not stronger than other obesity indicators.ConclusionsFor males, WHtR appears to be the best obesity index related with hypertension. For young, middle-aged, and elderly women, the best obesity indices related with hypertension are WC, BMI, and WHtR, respectively.     

Identification of genetic loci simultaneously associated with multiple cardiometabolic traits

Background and aimsCardiometabolic disorders (CMD) arise from a constellation of features such as increased adiposity, hyperlipidemia, hypertension and compromised glucose control. Many genetic loci have shown associations with individual CMD-related traits, but no investigations have focused on simultaneously identifying loci showing associations across all domains. We therefore sought to identify loci associated with risk across seven continuous CMD-related traits.Methods and resultsWe conducted separate genome-wide association studies (GWAS) for systolic and diastolic blood pressure (SBP/DBP), hemoglobin A1c (HbA1c), low- and high- density lipoprotein cholesterol (LDL-C/HDL-C), waist-to-hip-ratio (WHR), and triglycerides (TGs) in the UK Biobank (N = 356,574–456,823). Multiple loci reached genome-wide levels of significance (N = 145–333) for each trait, but only four loci (in/near VEGFA, GRB14-COBLL1, KLF14, and RGS19-OPRL1) were associated with risk across all seven traits (P < 5 × 10^?8). We sought replication of these four loci in an independent set of seven trait-specific GWAS meta-analyses. GRB14-COBLL1 showed the most consistent replication, revealing nominally significant associations (P < 0.05) with all traits except DBP.ConclusionsOur analyses suggest that very few loci are associated in the same direction of risk with traits representing the full spectrum of CMD features. We identified four such loci, and an understanding of the pathways between these loci and CMD risk may eventually identify factors that can be used to identify pathologic disturbances that represent broadly beneficial therapeutic targets.     

Lipid profiles and the risk of new-onset hypertension in a Chinese community-based cohort

Background and aimsDyslipidemia and hypertension, key risk factors for cardiovascular disease, may share similar pathophysiological processes. A longitudinal association was reported between dyslipidemia and new-onset hypertension, but few data were published in Asian. We aimed to investigate the association of lipid profiles with new-onset hypertension in a Chinese community-based non-hypertensive cohort without lipid-lowering treatment (n = 1802).Methods and resultsNew-onset hypertension was defined as any self-reported history of hypertension, systolic blood pressure ≥140 mmHg, or diastolic blood pressure ≥90 mmHg, or receiving antihypertensive medications at follow-up. Logistic regression models were used to evaluate the associations. Participants were aged 53.97 ± 7.49 years, 31.19% were men, and 64.54% with dyslipidemia. During a median of 2.30 years follow-up, the incidence of new-onset hypertension was 12.99%. Multivariate adjusted risks of new-onset hypertension increased with triglyceride increases (odds ratio [OR] = 1.14, 95% confidence interval [CI]: 1.03–1.27) and high-density lipoprotein cholesterol (HDL-C) decreases (OR = 0.47, 95% CI: 0.29–0.76) for one unit. However, threshold effects were observed for total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C) and non-HDL-C. Compared with subjects with hyperlipidemia, in those with normal concentrations of TC, LDL-C, and non-HDL-C increased risks of new-onset hypertension were observed with OR (95% CI) of 1.65 (1.10–2.46), 1.58 (1.07–2.33), and 1.57 (1.15–2.15) for one unit increasement, respectively, after adjusting for all covariates.ConclusionHigher TG and lower HDL-C increased the risk of new-onset hypertension, but for TC, LDL-C and non-HDLC, the risk of new-onset hypertension was increased only at normal concentrations in a Chinese community-based cohort.     

Impact of post-capillary pulmonary hypertension on mortality in interstitial lung disease

BackgroundPulmonary hypertension (PH) influences mortality in patients with interstitial lung disease (ILD). Almost all studies on patients with ILD, have focused on the clinical impact of pre-capillary PH on survival. Therefore, little is known about the influence of post-capillary PH. We aimed to assess the prevalence of post-capillary PH and its clinical impact on survival in patients with ILD, followed by comparison with pre-capillary PH.MethodsThis retrospective study enrolled 1152 patients with ILD who were diagnosed with PH using right heart catheterization between May 2007 and December 2015. We analyzed the demographics and composite outcomes (defined as death from any cause or lung transplantation) of patients with post-capillary PH and compared them with patients with pre-capillary PH.ResultsThirty-two (20%) of the 157 patients with ILD-PH were diagnosed with post-capillary PH. Patients with post-capillary PH had significantly lower modified Medical Research Council scores, higher diffusion capacity for carbon monoxide, higher resting PaO₂, lower pulmonary vascular resistance (PVR), and higher lowest oxygen saturation during the 6-min walk test compared to those with pre-capillary PH. Cardiovascular diseases were associated with a higher risk of mortality in patients with post-capillary PH. Multivariate Cox proportional hazards analysis demonstrated no significant difference between the composite outcomes in pre-capillary and post-capillary PH, while PVR and the ILD Gender-Age-Physiology Index were significantly associated with the composite outcome.ConclusionsWe found that approximately one-fifth of patients with ILD-PH were diagnosed with post-capillary PH, and that PVR and not post-capillary PH was associated with mortality.     

Influence of dietary total antioxidant capacity on the association between smoking and hypertension in Brazilian graduates (CUME project)

Background and aimsHypertension (HTN) is a chronic non-communicable disease influenced by non-modifiable risk factors, such as sex and age, as well as modifiable risk factors such as lifestyle, including diet and smoking. Moreover, diet quality among smokers is worse than that of non-smokers, mainly in terms of antioxidant content. Thus, the current study aimed to investigate whether dietary total antioxidant capacity (dTAC) influences the association between smoking and HTN.Methods and resultsThis cross-sectional study included 4303 graduates (69.35% women) from the Cohort of Minas Gerais Universities (CUME) project. An online food frequency questionnaire was administered to participants, and dTAC was estimated using the ferric reducing antioxidant power method. In the questionnaires, individuals reported smoking status, systolic and diastolic blood pressure values, previous HTN diagnosis, and use of antihypertensive drugs. Logistic regression models were used to estimate the odds ratio and 95% confidence interval between smoking and HTN, stratified by the median dTAC. Current and former smokers had higher dTAC values despite their lower fruit intake. Moreover, coffee was the main contributor to dTAC among them. Smoking was associated with a higher likelihood of HTN, mainly among individuals with a higher dTAC. However, after exclusion of coffee antioxidant capacity, there was an association between only smoking and HTN in individuals with lower dTAC.ConclusionsThe controversial association between higher dTAC and HTN can result from high coffee intake. Higher dTAC without coffee intake may mitigate the association between smoking and HTN in this population.     

Potential of an Approach Based on the Identification and Treatment of Vulnerable Coronary Plaques

In this viewpoint paper, the authors are tackling criticism to the limits of invasive imaging modalities for identification and treatment of vulnerable plaques. They believe in the clinical usefulness of invasive imaging modalities for identification of vulnerable plaques, and are suggesting an explanation for the suboptimal results of past studies, that failed to demonstrate a correlation between interventional treatment of vulnerable plaques, and reduction of hard clinical endpoints. Vulnerability studies have been based, so far, on the detection and measurement of plaques lipid content, because of its ease. However, the search for lipid “lakes” as a single common causal feature of acute coronary syndromes does not seem sufficient to identify patients at risk of adverse events. New imaging studies provided the rationale for improving clinical outcomes, adopting a more comprehensive assessment of target plaque morphology. There is little rationale in pursuing a functional assessment of coronary lesions to predict myocardial infarction. Recent studies are further confirming this hypothesis, suggesting that the clinical benefit of the fractional flow reserve-guided strategy is simply due to a significant reduction in the rate of repeated revascularizations, with no significant differences in the incidence of hard endpoints. There is a need to develop new randomized studies, requiring a feasible number of patients, to test the superiority of an approach based on vulnerable plaque sealing and treatment.     

Assessment of a non-physician screening program for hypertension and cardiovascular risk in community pharmacies

Background and aimsThe strategic role of prevention in hypertension setting is well known but, with the only exception of annually events promoted by international scientific societies, no other screening campaigns are available. Aim of this study was to assess the feasibility of a non-physician pharmacy-based screening program and to describe the cardiovascular risk and the BP status of participating subjects.Methods and results2731 costumers participated to the screening program, answering to a questionnaire about personal cardiovascular risk and measuring their BP with an Omron HEM 1040-E. Since no threshold for hypertension diagnosis is currently available for community pharmacies BP measurements, we assessed high BP prevalence according to 3 different cut-offs (≥140/90, ≥135/85 and ≥ 130/80 mmHg) and compared normotensives and hypertensives on major cardiovascular risk factors. According to the proposed cut-offs, prevalence of hypertension was respectively of 31%, 45% and 59.5%, and it increased among younger subjects (31–65 y) when the lowest cut-offs were applied. High BP was found in a large percentage of subjects self-declared on-/not on-treatment (uncontrolled hypertensives) or normotensives (presumptive hypertensives) and among those not aware of their own BP values (presumptive hypertensives). Prevalence of CV risk factors was higher in hypertensives than in normotensives.ConclusionsOur findings demonstrated that a community pharmacy-based screening is feasible and attracts the interests of many subjects, improving awareness on their BP status. The screening was also showed to be useful in order to detect potentially uncontrolled and/or suspected new hypertensives, especially among young adults, to refer to general practitioners for confirmatory diagnosis or further evaluation.     

Identification of patients with malignant biliary strictures using a cholangioscopy-based deep learning artificial intelligence (with video)

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High-Resolution Cardiac Magnetic Resonance Imaging Techniques for the Identification of Coronary Microvascular Dysfunction

ObjectivesThis study assessed the ability to identify coronary microvascular dysfunction (CMD) in patients with angina and nonobstructive coronary artery disease (NOCAD) using high-resolution cardiac magnetic resonance (CMR) and hypothesized that quantitative perfusion techniques would have greater accuracy than visual analysis.BackgroundHalf of all patients with angina are found to have NOCAD, while the presence of CMD portends greater morbidity and mortality, it now represents a modifiable therapeutic target. Diagnosis currently requires invasive assessment of coronary blood flow during angiography. With greater reliance on computed tomography coronary angiography as a first-line tool to investigate angina, noninvasive tests for diagnosing CMD warrant validation.MethodsConsecutive patients with angina and NOCAD were enrolled. Intracoronary pressure and flow measurements were acquired during rest and vasodilator-mediated hyperemia. CMR (3-T) was performed and analyzed by visual and quantitative techniques, including calculation of myocardial blood flow (MBF) during hyperemia (stress MBF), transmural myocardial perfusion reserve (MPR: MBF_HYPEREMIA / MBF_REST), and subendocardial MPR (MPR_ENDO). CMD was defined dichotomously as an invasive coronary flow reserve <2.5, with CMR readers blinded to this classification.ResultsA total of 75 patients were enrolled (57 ± 10 years of age, 81% women). Among the quantitative perfusion indices, MPR_ENDO and MPR had the highest accuracy (area under the curve [AUC]: 0.90 and 0.88) with high sensitivity and specificity, respectively, both superior to visual assessment (both p < 0.001). Visual assessment identified CMD with 58% accuracy (41% sensitivity and 83% specificity). Quantitative stress MBF performed similarly to visual analysis (AUC: 0.64 vs. 0.60; p = 0.69).ConclusionsHigh-resolution CMR has good accuracy at detecting CMD but only when analyzed quantitatively. Although omission of rest imaging and stress-only protocols make for quicker scans, this is at the cost of accuracy compared with integrating rest and stress perfusion. Quantitative perfusion CMR has an increasingly important role in the management of patients frequently encountered with angina and NOCAD.     

Diagnostic and Prognostic Value of Myocardial Work Indices for Identification of Cancer Therapy–Related Cardiotoxicity

BackgroundEchocardiographic global longitudinal strain (GLS) is a useful measure for detection of cancer treatment–related cardiac dysfunction (CTRCD) but is influenced by blood pressure changes. This limitation may be overcome by assessment of myocardial work (MW), which incorporates blood pressure into the calculation.ObjectivesThis work aims to determine whether myocardial work indices (MWIs) can help diagnose or prognosticate CTRCD.MethodsIn this prospective cohort study, 136 women undergoing anthracycline and trastuzumab treatment for HER2+ breast cancer, underwent serial echocardiograms and cardiac magnetic resonance pre- and post-anthracycline and every 3 months during trastuzumab. GLS, global work index (GWI), global constructive work (GCW), global wasted work, and global work efficiency were measured. CTRCD was defined with cardiac magnetic resonance. Generalized estimating equations quantified the association between changes in GLS and MWIs and CTRCD at the current (diagnosis) and subsequent visit (prognosis). Regression tree analysis was used to explore the combined use of GLS and MW for the diagnostic/prognostic assessment of CTRCD.ResultsBaseline left ventricular ejection fraction (LVEF) was 63.2 ± 4.0%. Thirty-seven (27.2%) patients developed CTRCD. An absolute change in GLS (standardized odds ratio [sOR]: 1.97 [95% CI: 1.07-3.66]; P = 0.031) and GWI (sOR: 1.73 [95% CI: 1.04-2.85]; P = 0.033) were associated with concurrent CTRCD. An absolute change in GLS (sOR: 1.79 [95% CI: 1.22-2.62]; P = 0.003), GWI (sOR: 1.67 [95% CI: 1.20-2.32]; P = 0.003), and GCW (sOR: 1.65 [95% CI: 1.17-2.34]; P = 0.005) were associated with subsequent CTRCD. Change in GWI and GCW demonstrated incremental value over GLS and clinical factors for the diagnosis of concurrent CTRCD. In a small group with a GLS change <3.3% (absolute), and a >21 mm Hg reduction in systolic blood pressure, worsening of GWI identified patients with higher probability of concurrent CTRCD (24.0% vs 5.2%). MWIs did not improve identification of subsequent CTRCD beyond knowledge of GLS change.ConclusionsGLS can be used to diagnose and prognosticate cardiac magnetic resonance (CMR) defined CTRCD, with additional value from MWIs in selected cases. (Evaluation of Myocardial Changes During Breast Adenocarcinoma Therapy to Detect Cardiotoxicity Earlier With MRI [EMBRACE-MRI]; NCT02306538)