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Left Ventricular Mass at MRI and Long-term Risk of Cardiovascular Events: The Multi-Ethnic Study of Atherosclerosis (MESA).
Kawel-Boehm N, Kronmal R, Eng J, Folsom A, Burke G, Carr JJ, Shea S, Lima JAC, Bluemke DA
(2019) Radiology 293: 107-114
MeSH Terms: Aged, Aged, 80 and over, Atherosclerosis, Cohort Studies, Comorbidity, Ethnic Groups, Female, Heart Failure, Heart Ventricles, Humans, Hypertrophy, Left Ventricular, Magnetic Resonance Imaging, Male, Middle Aged, Myocardial Infarction, Prospective Studies, Risk, Risk Factors, United States
Show Abstract · Added January 10, 2020
Background Few data exist on the long-term risk prediction of elevated left ventricular (LV) mass quantified by MRI for cardiovascular (CV) events in a contemporary, ethnically diverse cohort. Purpose To assess the long-term impact of elevated LV mass on CV events in a prospective cohort study of a multiethnic population in relationship to risk factors and coronary artery calcium (CAC) score. Materials and Methods The Multi-Ethnic Study of Atherosclerosis, or MESA (: NCT00005487), is an ongoing prospective multicenter population-based study in the United States. A total of 6814 participants (age range, 45-84 years) free of clinical CV disease at baseline were enrolled between 2000 and 2002. In 4988 participants (2613 [52.4%] women; mean age, 62 years ± 10.1 [standard deviation]) followed over 15 years for CV events, LV mass was derived from cardiac MRI at baseline enrollment by using semiautomated software at a central core laboratory. Cox proportional hazard models, Kaplan-Meier curves, and scores were applied to assess the impact of LV hypertrophy. Results A total of 290 participants had hard coronary heart disease (CHD) events (207 myocardial infarctions [MIs], 95 CHD deaths), 57 had other CV disease-related deaths, and 215 had heart failure (HF). LV hypertrophy was an independent predictor of hard CHD events (hazard ratio [HR]: 2.7; 95% confidence interval [CI]: 1.9, 3.8), MI (HR: 2.8; 95% CI: 1.8, 4.0), CHD death (HR: 4.3; 95% CI: 2.5, 7.3), other CV death (HR: 7.5; 95% CI: 4.2, 13.5), and HF (HR: 5.4; 95% CI: 3.8, 7.5) ( < .001 for all end points). LV hypertrophy was a stronger predictor than CAC for CHD death, other CV death, and HF ( scores: 5.4 vs 3.4, 6.8 vs 2.4, and 9.7 vs 3.2 for LV hypertrophy vs CAC, respectively). Kaplan-Meier analysis demonstrated an increased risk of CV events in participants with LV hypertrophy, particularly after 5 years. Conclusion Elevated left ventricular mass was strongly associated with hard coronary heart disease events, other cardiovascular death, and heart failure over 15 years of follow-up, independent of traditional risk factors and coronary artery calcium score. © RSNA, 2019 See also the editorial by Hanneman in this issue.
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19 MeSH Terms
Sex differences in anthracycline-induced cardiotoxicity: the benefits of estrogens.
Cadeddu Dessalvi C, Pepe A, Penna C, Gimelli A, Madonna R, Mele D, Monte I, Novo G, Nugara C, Zito C, Moslehi JJ, de Boer RA, Lyon AR, Tocchetti CG, Mercuro G
(2019) Heart Fail Rev 24: 915-925
MeSH Terms: Anthracyclines, Biomarkers, Cardiotonic Agents, Cardiotoxicity, Echocardiography, Female, Gonadal Steroid Hormones, Heart, Heart Failure, Humans, Magnetic Resonance Spectroscopy, Male, Mitochondria, Nuclear Medicine, Oxidative Stress, Prognosis, Reperfusion Injury, Risk Factors, Sex Characteristics
Show Abstract · Added November 12, 2019
Anthracyclines are the cornerstone for many oncologic treatments, but their cardiotoxicity has been recognized for several decades. Female subjects, especially before puberty and adolescence, or after menopause, seem to be more at increased risk, with the prognostic impact of this sex issue being less consistent compared to other cardiovascular risk factors. Several studies imply that sex differences could depend on the lack of the protective effect of sex hormones against the anthracycline-initiated damage in cardiac cells, or on differential mitochondria-related oxidative gene expression. This is also reflected by the results obtained with different diagnostic methods, such as cardiovascular biomarkers and imaging techniques (echocardiography, magnetic resonance, and nuclear medicine) in the diagnosis and monitoring of cardiotoxicity, confirming that sex differences exist. The same is true about protective strategies from anthracycline cardiotoxicity. Indeed, first studied to withstand oxidative damage in response to ischemia/reperfusion (I/R) injury, cardioprotection has different outcomes in men and women. A number of studies assessed the differences in I/R response between male and female hearts, with oxidative stress and apoptosis being shared mechanisms between the I/R and anthracyclines heart damage. Sex hormones can modulate these mechanisms, thus confirming their importance in the pathophysiology in cardioprotection not only from the ischemia/reperfusion damage, but also from anthracyclines, fueling further cardio-oncologic research on the topic.
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19 MeSH Terms
Accelerating Biomarker Discovery Through Electronic Health Records, Automated Biobanking, and Proteomics.
Wells QS, Gupta DK, Smith JG, Collins SP, Storrow AB, Ferguson J, Smith ML, Pulley JM, Collier S, Wang X, Roden DM, Gerszten RE, Wang TJ
(2019) J Am Coll Cardiol 73: 2195-2205
MeSH Terms: Academic Medical Centers, Acceleration, Aged, Automation, Biological Specimen Banks, Biomarkers, Cohort Studies, Electronic Health Records, Female, Heart Failure, Humans, Male, Middle Aged, Proportional Hazards Models, Prospective Studies, Proteomics, Reproducibility of Results, Risk Assessment, Sensitivity and Specificity, Thrombospondins
Show Abstract · Added March 3, 2020
BACKGROUND - Circulating biomarkers can facilitate diagnosis and risk stratification for complex conditions such as heart failure (HF). Newer molecular platforms can accelerate biomarker discovery, but they require significant resources for data and sample acquisition.
OBJECTIVES - The purpose of this study was to test a pragmatic biomarker discovery strategy integrating automated clinical biobanking with proteomics.
METHODS - Using the electronic health record, the authors identified patients with and without HF, retrieved their discarded plasma samples, and screened these specimens using a DNA aptamer-based proteomic platform (1,129 proteins). Candidate biomarkers were validated in 3 different prospective cohorts.
RESULTS - In an automated manner, plasma samples from 1,315 patients (31% with HF) were collected. Proteomic analysis of a 96-patient subset identified 9 candidate biomarkers (p < 4.42 × 10). Two proteins, angiopoietin-2 and thrombospondin-2, were associated with HF in 3 separate validation cohorts. In an emergency department-based registry of 852 dyspneic patients, the 2 biomarkers improved discrimination of acute HF compared with a clinical score (p < 0.0001) or clinical score plus B-type natriuretic peptide (p = 0.02). In a community-based cohort (n = 768), both biomarkers predicted incident HF independent of traditional risk factors and N-terminal pro-B-type natriuretic peptide (hazard ratio per SD increment: 1.35 [95% confidence interval: 1.14 to 1.61; p = 0.0007] for angiopoietin-2, and 1.37 [95% confidence interval: 1.06 to 1.79; p = 0.02] for thrombospondin-2). Among 30 advanced HF patients, concentrations of both biomarkers declined (80% to 84%) following cardiac transplant (p < 0.001 for both).
CONCLUSIONS - A novel strategy integrating electronic health records, discarded clinical specimens, and proteomics identified 2 biomarkers that robustly predict HF across diverse clinical settings. This approach could accelerate biomarker discovery for many diseases.
Copyright © 2019 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.
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20 MeSH Terms
Association Between Regional Adipose Tissue Distribution and Risk of Heart Failure Among Blacks.
Pandey A, Kondamudi N, Patel KV, Ayers C, Simek S, Hall ME, Musani SK, Blackshear C, Mentz RJ, Khan H, Terry JG, Correa A, Butler J, Neeland IJ, Berry JD
(2018) Circ Heart Fail 11: e005629
MeSH Terms: Adiposity, African Americans, Aged, Female, Heart Failure, Humans, Intra-Abdominal Fat, Male, Middle Aged, Obesity, Risk Assessment, Risk Factors, Tissue Distribution
Show Abstract · Added April 3, 2019
BACKGROUND - Obesity is highly prevalent among blacks and is associated with a greater risk of heart failure (HF). However, the contribution of regional adiposity depots such as visceral adipose tissue (VAT) and abdominal subcutaneous adipose tissue toward risk of HF in blacks is unknown.
METHODS AND RESULTS - We included 2602 participants (mean age: 59 years, 35% men) from the Jackson Heart Study without prevalent HF who underwent computed tomography quantification of VAT and subcutaneous adipose tissue during the second visit (2005-2009). The associations between different adiposity measures and HF were evaluated using adjusted Cox models. There were 122 incident HF events over a median follow-up of 7.1 years. Higher amounts of VAT were associated with greater risk of HF in age- and sex-adjusted analyses (hazard ratio [95% CI] per 1-SD higher VAT: 1.29 [1.09-1.52]). This association was attenuated and not significant after additional adjustment for traditional HF risk factors and body mass index. Overall obesity, represented by body mass index, was associated with higher risk of HF independent of risk factors and VAT (hazard ratio [95% CI] per 1-kg/m higher body mass index: 1.06 [1.02-1.11]). Subcutaneous adipose tissue was not associated with risk of HF in adjusted analyses.
CONCLUSIONS - In a community-dwelling black population, higher amounts of overall and visceral adiposity are associated with higher risk of HF. The association between VAT and HF risk in blacks may reflect differences in traditional HF risk factor burden. Future studies are needed to confirm this observation and clarify the independent role of different measures of adiposity on HF outcomes.
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13 MeSH Terms
Early urine electrolyte patterns in patients with acute heart failure.
Collins SP, Jenkins CA, Baughman A, Miller KF, Storrow AB, Han JH, Brown NJ, Liu D, Luther JM, McNaughton CD, Self WH, Peng D, Testani JM, Lindenfeld J
(2019) ESC Heart Fail 6: 80-88
MeSH Terms: Acute Disease, Aged, Biomarkers, Disease Progression, Diuretics, Female, Follow-Up Studies, Heart Failure, Humans, Male, Middle Aged, Pilot Projects, Prognosis, Prospective Studies, Sodium, Stroke Volume
Show Abstract · Added October 25, 2018
AIMS - We conducted a prospective study of emergency department (ED) patients with acute heart failure (AHF) to determine if worsening HF (WHF) could be predicted based on urinary electrolytes during the first 1-2 h of ED care. Loop diuretics are standard therapy for AHF patients. A subset of patients hospitalized for AHF will develop a blunted natriuretic response to loop diuretics, termed diuretic resistance, which often leads to WHF. Early detection of diuretic resistance could facilitate escalation of therapy and prevention of WHF.
METHODS AND RESULTS - Patients were eligible if they had an ED AHF diagnosis, had not yet received intravenous diuretics, had a systolic blood pressure > 90 mmHg, and were not on dialysis. Urine electrolytes and urine output were collected at 1, 2, 4, and 6 h after diuretic administration. Worsening HF was defined as clinically persistent or WHF requiring escalation of diuretics or administration of intravenous vasoactives after the ED stay. Of the 61 patients who qualified in this pilot study, there were 10 (16.3%) patients who fulfilled our definition of WHF. At 1 h after diuretic administration, patients who developed WHF were more likely to have low urinary sodium (9.5 vs. 43.0 mmol; P < 0.001) and decreased urine sodium concentration (48 vs. 80 mmol/L; P = 0.004) than patients without WHF. All patients with WHF had a total urine sodium of <35.4 mmol at 1 h (100% sensitivity and 60% specificity).
CONCLUSIONS - One hour after diuretic administration, a urine sodium excretion of <35.4 mmol was highly suggestive of the development of WHF. These relationships require further testing to determine if early intervention with alternative agents can prevent WHF.
© 2018 The Authors. ESC Heart Failure published by John Wiley & Sons Ltd on behalf of the European Society of Cardiology.
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Randomized Evaluation of Heart Failure With Preserved Ejection Fraction Patients With Acute Heart Failure and Dopamine: The ROPA-DOP Trial.
Sharma K, Vaishnav J, Kalathiya R, Hu JR, Miller J, Shah N, Hill T, Sharp M, Tsao A, Alexander KM, Gupta R, Montemayor K, Kovell L, Chasler JE, Lee YJ, Fine DM, Kass DA, Weiss RG, Thiemann DR, Ndumele CE, Schulman SP, Russell SD, Osler Medical Housestaff
(2018) JACC Heart Fail 6: 859-870
MeSH Terms: Acute Disease, Aged, Creatinine, Diuretics, Dopamine, Drug Therapy, Combination, Female, Furosemide, Heart Failure, Humans, Infusions, Intravenous, Injections, Intravenous, Male, Middle Aged, Stroke Volume
Show Abstract · Added April 6, 2019
OBJECTIVES - This study sought to compare a continuous infusion diuretic strategy versus an intermittent bolus diuretic strategy, with the addition of low-dose dopamine (3 μg/kg/min) in the treatment of hospitalized patients with heart failure with preserved ejection fraction (HFpEF).
BACKGROUND - HFpEF patients are susceptible to development of worsening renal function (WRF) when hospitalized with acute heart failure; however, inpatient treatment strategies to achieve safe and effective diuresis in HFpEF patients have not been studied to date.
METHODS - In a prospective, randomized, clinical trial, 90 HFpEF patients hospitalized with acute heart failure were randomized within 24 h of admission to 1 of 4 treatments: 1) intravenous bolus furosemide administered every 12 h; 2) continuous infusion furosemide; 3) intermittent bolus furosemide with low-dose dopamine; and 4) continuous infusion furosemide with low-dose dopamine. The primary endpoint was percent change in creatinine from baseline to 72 h. Linear and logistic regression analyses with tests for interactions between diuretic and dopamine strategies were performed.
RESULTS - Compared to intermittent bolus strategy, the continuous infusion strategy was associated with higher percent increase in creatinine (continuous infusion: 16.01%; 95% confidence interval [CI]: 8.58% to 23.45% vs. intermittent bolus: 4.62%; 95% CI: -1.15% to 10.39%; p = 0.02). Low-dose dopamine had no significant effect on percent change in creatinine (low-dose dopamine: 12.79%; 95% CI: 5.66% to 19.92%, vs. no-dopamine: 8.03%; 95% CI: 1.44% to 14.62%; p = 0.33). Continuous infusion was also associated with greater risk of WRF than intermittent bolus (odds ratio [OR]: 4.32; 95% CI: 1.26 to 14.74; p = 0.02); no differences in WRF risk were seen with low-dose dopamine. No significant interaction was seen between diuretic strategy and low-dose dopamine (p > 0.10).
CONCLUSIONS - In HFpEF patients hospitalized with acute heart failure, low-dose dopamine had no significant impact on renal function, and a continuous infusion diuretic strategy was associated with renal impairment. (Diuretics and Dopamine in Heart Failure With Preserved Ejection Fraction [ROPA-DOP]; NCT01901809).
Copyright © 2018 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.
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15 MeSH Terms
Loss of CENP-F Results in Dilated Cardiomyopathy with Severe Disruption of Cardiac Myocyte Architecture.
Manalo A, Schroer AK, Fenix AM, Shancer Z, Coogan J, Brolsma T, Burnette DT, Merryman WD, Bader DM
(2018) Sci Rep 8: 7546
MeSH Terms: Animals, Cardiomyopathy, Dilated, Chromosomal Proteins, Non-Histone, Disease Models, Animal, Genetic Association Studies, Genetic Predisposition to Disease, Heart Failure, Humans, Intercellular Junctions, Loss of Function Mutation, Mice, Microfilament Proteins, Microtubules, Myocytes, Cardiac, Polymorphism, Single Nucleotide, Stroke Volume
Show Abstract · Added March 27, 2019
Centromere-binding protein F (CENP-F) is a very large and complex protein with many and varied binding partners including components of the microtubule network. Numerous CENP-F functions impacting diverse cellular behaviors have been identified. Importantly, emerging data have shown that CENP-F loss- or gain-of-function has critical effects on human development and disease. Still, it must be noted that data at the single cardiac myocyte level examining the impact of CENP-F loss-of-function on fundamental cellular behavior is missing. To address this gap in our knowledge, we analyzed basic cell structure and function in cardiac myocytes devoid of CENP-F. We found many diverse structural abnormalities including disruption of the microtubule network impacting critical characteristics of the cardiac myocyte. This is the first report linking microtubule network malfunction to cardiomyopathy. Importantly, we also present data demonstrating a direct link between a CENP-F single nucleotide polymorphism (snp) and human cardiac disease. In a proximate sense, these data examining CENP-F function explain the cellular basis underlying heart disease in this genetic model and, in a larger sense, they will hopefully provide a platform upon which the field can explore diverse cellular outcomes in wide-ranging areas of research on this critical protein.
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16 MeSH Terms
Clinical Features Associated With Nascent Left Ventricular Diastolic Dysfunction in a Population Aged 40 to 55 Years.
Mosley JD, Levinson RT, Brittain EL, Gupta DK, Farber-Eger E, Shaffer CM, Denny JC, Roden DM, Wells QS
(2018) Am J Cardiol 121: 1552-1557
MeSH Terms: Adult, Age Distribution, Cohort Studies, Databases, Factual, Diabetes Mellitus, Type 2, Echocardiography, Female, Heart Failure, Diastolic, Humans, Hypertension, Incidence, Kaplan-Meier Estimate, Linear Models, Male, Middle Aged, Multivariate Analysis, Prognosis, Retrospective Studies, Risk Assessment, Severity of Illness Index, Sex Distribution, Stroke Volume, Survival Analysis, United States, Ventricular Dysfunction, Left
Show Abstract · Added June 7, 2018
Diastolic dysfunction (DD), an abnormality in cardiac left ventricular (LV) chamber compliance, is associated with increased morbidity and mortality. Although DD has been extensively studied in older populations, co-morbidity patterns are less well characterized in middle-aged subjects. We screened 156,434 subjects with transthoracic echocardiogram reports available through Vanderbilt's electronic heath record and identified 6,612 subjects 40 to 55 years old with an LV ejection fraction ≥50% and diastolic function staging. We tested 452 incident and prevalent clinical diagnoses for associations with early-stage DD (n = 1,676) versus normal function. There were 44 co-morbid diagnoses associated with grade 1 DD including hypertension (odds ratio [OR] = 2.02, 95% confidence interval [CI] 1.78 to 2.28, p <5.3 × 10-29), type 2 diabetes (OR 1.96, 95% CI 1.68 to 2.29, p = 2.1 × 10-17), tachycardia (OR 1.38, 95% CI 0.53 to 2.19, p = 2.9 × 10-6), obesity (OR 1.76, 95% CI 1.51 to 2.06, p = 1.7 × 10-12), and clinical end points, including end-stage renal disease (OR 3.29, 95% CI 2.19 to 4.96, p = 1.2 × 10-8) and stroke (OR 1.5, 95% CI 1.12 to 2.02, p = 6.9 × 10-3). Among the 60 incident diagnoses associated with DD, heart failure with preserved ejection fraction (OR 4.63, 95% CI 3.39 to 6.32, p = 6.3 × 10-22) had the most significant association. Among subjects with normal diastolic function and blood pressure at baseline, a blood pressure measurement in the hypertensive range at the time of the second echocardiogram was associated with progression to stage 1 DD (p = 0.04). In conclusion, DD was common among subjects 40 to 55 years old and was associated with a heavy burden of co-morbid disease.
Copyright © 2018 Elsevier Inc. All rights reserved.
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25 MeSH Terms
Validation of an algorithm to identify heart failure hospitalisations in patients with diabetes within the veterans health administration.
Presley CA, Min JY, Chipman J, Greevy RA, Grijalva CG, Griffin MR, Roumie CL
(2018) BMJ Open 8: e020455
MeSH Terms: Adult, Aged, Algorithms, Diabetes Complications, Diabetes Mellitus, Diagnosis-Related Groups, Female, Heart Failure, Hospitalization, Humans, International Classification of Diseases, Male, Middle Aged, Predictive Value of Tests, Sensitivity and Specificity, Veterans
Show Abstract · Added July 27, 2018
OBJECTIVES - We aimed to validate an algorithm using both primary discharge diagnosis (International Classification of Diseases Ninth Revision (ICD-9)) and diagnosis-related group (DRG) codes to identify hospitalisations due to decompensated heart failure (HF) in a population of patients with diabetes within the Veterans Health Administration (VHA) system.
DESIGN - Validation study.
SETTING - Veterans Health Administration-Tennessee Valley Healthcare System PARTICIPANTS: We identified and reviewed a stratified, random sample of hospitalisations between 2001 and 2012 within a single VHA healthcare system of adults who received regular VHA care and were initiated on an antidiabetic medication between 2001 and 2008. We sampled 500 hospitalisations; 400 hospitalisations that fulfilled algorithm criteria, 100 that did not. Of these, 497 had adequate information for inclusion. The mean patient age was 66.1 years (SD 11.4). Majority of patients were male (98.8%); 75% were white and 20% were black.
PRIMARY AND SECONDARY OUTCOME MEASURES - To determine if a hospitalisation was due to HF, we performed chart abstraction using Framingham criteria as the referent standard. We calculated the positive predictive value (PPV), negative predictive value (NPV), sensitivity and specificity for the overall algorithm and each component (primary diagnosis code (ICD-9), DRG code or both).
RESULTS - The algorithm had a PPV of 89.7% (95% CI 86.8 to 92.7), NPV of 93.9% (89.1 to 98.6), sensitivity of 45.1% (25.1 to 65.1) and specificity of 99.4% (99.2 to 99.6). The PPV was highest for hospitalisations that fulfilled both the ICD-9 and DRG algorithm criteria (92.1% (89.1 to 95.1)) and lowest for hospitalisations that fulfilled only DRG algorithm criteria (62.5% (28.4 to 96.6)).
CONCLUSIONS - Our algorithm, which included primary discharge diagnosis and DRG codes, demonstrated excellent PPV for identification of hospitalisations due to decompensated HF among patients with diabetes in the VHA system.
© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.
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16 MeSH Terms
Upregulation of SERT and ADORA1 in broilers with acute right ventricular failure.
Kamely M, Karimi Torshizi MA, Wideman RF, West J
(2019) Res Vet Sci 125: 397-400
MeSH Terms: Animals, Chickens, Cyclic Nucleotide Phosphodiesterases, Type 5, Gene Expression Regulation, Heart Failure, Hypertension, Pulmonary, Male, Myocardium, Poultry Diseases, Receptor, Adenosine A1, Serotonin Plasma Membrane Transport Proteins, Troponin T, Up-Regulation
Show Abstract · Added April 2, 2019
Pulmonary hypertension (PH), remains a challenging disease with a large impact on both humans and meat-type chickens. PH is characterized by the onset of idiopathic pulmonary arterial hypertension leading to right ventricular failure. In this experiment relative gene expression of adenosine A receptor (ADORA1), serotonin transporter (SERT), phosphodiesterase 5A (PDE5) and troponin T2 were compared in hearts from broilers with acute right ventricular failure and from healthy birds. There were major increases in adenosine A receptor (177%) and serotonin transporter (475%), and more modest but significant increases in PDE5 (146%) and troponin T2 (140%) gene expressions in broilers with right ventricular failure compared to healthy birds (P<0.01). This novel report shows that pulmonary hypertension related gene expression in broilers is similar to that in humans. This molecular similarity between PH in broilers and human patients suggests, first, that they will make a suitable animal model for study PH in humans, but also that the literature on PH in humans may be profitably applied to the study of PH in broilers.
Copyright © 2017. Published by Elsevier Ltd.
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13 MeSH Terms