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Lund LH, Zeymer U, Clark AL, Barrios V, Damy T, Drożdż J, Fonseca C, Kalus S, Ferber PC, Koch C, Maggioni AP. Association between sacubitril/valsartan initiation and changes in left ventricular ejection fraction: Insights from ARIADNE registry. Int J Cardiol 2023; 370:279-286. [PMID: 36216094 DOI: 10.1016/j.ijcard.2022.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/29/2022] [Accepted: 10/05/2022] [Indexed: 11/05/2022]
Abstract
AIMS We tested the hypothesis that initiation versus non-initiation of sacubitril/valsartan is associated with a more favorable subsequent change in left ventricular ejection fraction (LVEF) in a real-world setting. METHODS A prospective, non-randomized, double-arm, open-label, cohort study had been conducted across 687 centers in 17 European countries enrolling HFrEF patients aged ≥18 years with symptoms of HF (New York Heart Association [NYHA] II-IV) and "reduced LVEF". For the current analysis, 2602 patients with LVEF measured at baseline and follow-up were chosen, of which 860 (33%, mean age 67 years, 26% women) were started on sacubitril/valsartan at baseline and 1742 (67%, 68 years, 23% women) were not. Patients started on sacubitril/valsartan had higher NYHA class and lower LVEF. RESULTS LVEF increased from mean 32.7% to 38.1% in the sacubitril/valsartan group versus from 35.9% to 38.7% in the non-sacubitril/valsartan group (mean difference in increase 2.6%, p < 0.001). LVEF increased from baseline in 64% versus 53% of patients and increased by ≥5% (absolute %) in 50% versus 35% of patients in the sacubitril/valsartan versus non-sacubitril/valsartan groups, respectively. In the overall cohort, initiation of sacubitril/valsartan was independently associated with any increase in LVEF (adjusted odds ratio [OR] 1.49 [1.26-1.75]) and with increase by ≥5% (OR 1.65 [1.39-1.95]). CONCLUSION Initiating versus not initiating sacubitril/valsartan was independently associated with a greater subsequent increase in LVEF in this real-world setting. Reverse cardiac remodeling may be one mechanism of benefit of sacubitril/valsartan.
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Affiliation(s)
- Lars H Lund
- Department of Medicine, Karolinska Institutet, And Heart Vascular and Neuro Theme Karolinska University Hospital, Stockholm, Sweden.
| | - Uwe Zeymer
- Klinikum Ludwigshafen and Institut für Herzinfarktforschung, Ludwigshafen-am-Rhein, Germany
| | - Andrew L Clark
- Castle Hill Hospital, Kingston Upon Hull, United Kingdom
| | | | - Thibaud Damy
- University Hospital Henri Mondor, Créteil, France
| | | | - Candida Fonseca
- Hospital de Sao Francisco Xavier, CHLO, NOVA Medical School, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Stefanie Kalus
- GKM Gesellschaft für Therapieforschung mbH, Munich, Germany
| | | | | | - Aldo P Maggioni
- Associazione Nazionale Medici Cardiologi Ospedalieri Research Center, Florence, Italy; Maria Cecilia Hospital, GVM Care & Research, Italy
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Maggioni AP, Clark AL, Barrios V, Damy T, Drozdz J, Fonseca C, Lund LH, Kalus S, Ferber PC, Hussain RI, Koch C, Zeymer U. Outcomes with sacubitril/valsartan in outpatients with heart failure and reduced ejection fraction: The ARIADNE registry. ESC Heart Fail 2022; 9:4209-4218. [PMID: 36106548 PMCID: PMC9773755 DOI: 10.1002/ehf2.14014] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 04/19/2022] [Accepted: 06/03/2022] [Indexed: 01/19/2023] Open
Abstract
AIMS ARIADNE aimed to assess the association between effects of sacubitril/valsartan and no sacubitril/valsartan treatment and clinical characteristics, functional capacity, and clinical outcomes (cause-specific mortality and hospitalizations) in outpatients with heart failure (HF) with reduced ejection fraction (HFrEF). METHODS ARIADNE was a prospective European registry of 9069 patients with HFrEF treated by office-based cardiologists or selected primary care physicians. Of the 8787 eligible for analysis, 4173 patients were on conventional HF treatment (non-S/V group), whereas 4614 patients were either on sacubitril/valsartan treatment at enrolment or started sacubitril/valsartan within 1 month of enrolment (S/V group). We also generated a restricted analysis set (rS/V) including only those 2108 patients who started sacubitril/valsartan treatment within the month prior to or after enrolment. RESULTS At the baseline, average age of patients enrolled in the study was 68 years, and 23.9% (2099/8787) were female. At the baseline, the proportions of patients with New York Heart Association (NYHA) Class III symptoms were 30.9 (1288/4173), 42.8 (1974/4614), and 48.2% (1015/2108), in non-S/V, S/V, and rS/V groups, respectively. After 12 months of treatment, the proportion of patients with NYHA Class III at baseline who improved to Class II was 32.0% (290/907) in the non-S/V group vs. 46.3% (648/1399) in S/V group and 48.7% (349/717) in rS/V group. The overall mortality rate was 5.0 per 100 patient-years. Rates of HF hospitalizations were high (20.9, 20.3, and 21.2 per 100 patient-years in the non-S/V, S/V, and rS/V groups, respectively). Emergency room visits without hospitalization occurred in 3.9, 3.2, and 3.9% of patients in the non-S/V, S/V, and rS/V groups, respectively. CONCLUSIONS This large HFrEF European registry provides a contemporary outcome profile of outpatients with HFrEF treated with or without sacubitril/valsartan. In a real-world setting, sacubitril/valsartan was associated with an improvement of symptoms in patients with HFrEF compared with the conventional HFrEF treatment.
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Affiliation(s)
| | | | | | | | | | - Candida Fonseca
- Hospital de Sao Francisco Xavier, Lisbon, NOVA Medical School, Faculdade de Ciências MédicasUniversidade Nova de LisboaLisbonPortugal
| | - Lars H. Lund
- Department of MedicineKarolinska Institutet and Karolinska University HospitalStockholmSweden
| | | | | | | | | | - Uwe Zeymer
- Klinikum Ludwigshafen and Institut für HerzinfarktforschungLudwigshafen‐am‐RheinGermany
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3
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Cheang I, Shi S, Lu X, Liao S, Zhu X, Su X, Lu Q, Yuan J, Xu D, Zhang M, Dai C, Wang J, Yuan F, Zhao Y, Zhou J, Li X. Efficacy and Dosage Pattern of Sacubitril/Valsartan in Chinese Heart Failure with Reduced Ejection Fraction Patients. J Cardiovasc Transl Res 2022; 15:1192-1202. [PMID: 35505156 PMCID: PMC9622556 DOI: 10.1007/s12265-022-10236-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 03/10/2022] [Indexed: 11/28/2022]
Abstract
This study aims to investigate the dosage pattern, efficacy, and safety of sacubitril/valsartan (Sac/Val) in Chinese heart failure with reduced ejection fraction (HFrEF) patients regarding real-world settings. Patients from 27 centers with a confirmed diagnosis of HFrEF and initiated Sac/Val treatment were enrolled. The primary objective was to evaluate the dosage pattern and change of heart failure status. In a final cohort of 983 patients, outpatient Sac/Val treatment demonstrated a similar beneficial effect in NT-proBNP and cardiac function. After initiating the treatment, overall and sub-population showed similar safety and efficacy. Patients who received a higher dose of Sac/Val (> 200 mg/d) demonstrated better improvement in LV function and reduction of NT-proBNP regardless of adjustment. Among Chinese HFrEF patients, Sac/Val showed a comparable reduction in NT-proBNP and improvement in cardiac function. Data further support guideline recommendations of Sac/Val in Chinese population. Optimal up-titration might provide further benefits. Further long-term and prognostic studies are needed.
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Affiliation(s)
- Iokfai Cheang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Guangzhou Road 300, Nanjing, 210029, People's Republic of China
| | - Shi Shi
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Guangzhou Road 300, Nanjing, 210029, People's Republic of China
| | - Xinyi Lu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Guangzhou Road 300, Nanjing, 210029, People's Republic of China
| | - Shengen Liao
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Guangzhou Road 300, Nanjing, 210029, People's Republic of China
| | - Xu Zhu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Guangzhou Road 300, Nanjing, 210029, People's Republic of China
| | - Xi Su
- Department of Cardiology, Wuhan Asia Heart Hospital, Wuhan, 430022, People's Republic of China
| | - Qi Lu
- Department of Cardiology, Affiliated Hospital of Nantong University, Nantong, 226001, People's Republic of China
| | - Jing Yuan
- Department of Cardiology, Tongji Medical College of Huazhong University Affiliated Union Hospital, Wuhan, 430022, People's Republic of China
| | - Dachun Xu
- Department of Cardiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
| | - Min Zhang
- Department of Cardiology, Shijiazhuang Greatwall Hospital, Hebei, 052260, People's Republic of China
| | - Cuilian Dai
- Department of Cardiology, Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, 361010, People's Republic of China
| | - Jingfeng Wang
- Department of Cardiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, People's Republic of China
| | - Fang Yuan
- Department of Cardiology, Fuwai Central China Cardiovascular Hospital, Zhengzhou, 450008, People's Republic of China
| | - Yan Zhao
- Department of Cardiology, Xuzhou Central Hospital, Xuzhou, 221009, People's Republic of China
| | - Jingmin Zhou
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, People's Republic of China.
| | - Xinli Li
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Guangzhou Road 300, Nanjing, 210029, People's Republic of China.
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Zeymer U, Clark AL, Barrios V, Damy T, Drożdż J, Fonseca C, Lund LH, Kalus S, Ferber PC, Hussain RI, Koch C, Maggioni AP. Utilization of sacubitril/valsartan in patients with heart failure with reduced ejection fraction: real-world data from the ARIADNE registry. EUROPEAN HEART JOURNAL. QUALITY OF CARE & CLINICAL OUTCOMES 2021; 8:469-477. [DOI: 10.1093/ehjqcco/qcab019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/26/2021] [Accepted: 03/12/2021] [Indexed: 11/14/2022]
Abstract
Abstract
Aims
To compare baseline characteristics of patients with heart failure with reduced ejection fraction (HFrEF) initiated on sacubitril/valsartan compared with patients continued on conventional heart failure (HF)-treatment in a European out-patient setting.
Methods and results
Between July 2016 and July 2019, ARIADNE enrolled 8787 outpatients aged ≥18 years with HFrEF from 17 European countries. Choice of therapy was solely at the investigators’ discretion. In total, 4173 patients were on conventional HF-treatment (non-S/V group), while 4614 patients were on sacubitril/valsartan either at enrolment or started sacubitril/valsartan within 1 month of enrolment (S/V group). Of these, 2108 patients started sacubitril/valsartan treatment ±1 month around enrolment [restricted S/V (rS/V) group]. The average age of the patients was 68 years. Patients on S/V were more likely to have New York Heart Association (NYHA) class III or IV symptoms (50.3%, 44.6%, 32.1% in rS/V, S/V, and non-S/V, respectively) and had lower left ventricular ejection fraction (LVEF; 32.3%, 32.7%, and 35.4% in rS/V, S/V, and non-S/V, respectively; P < 0.0001). The most frequently received HF treatments were angiotensin-converting enzyme inhibitor/angiotensin receptor blocker (ACEI/ARB; ∼84% in non-S/V), followed by β-blockers (∼80%) and mineralocorticoid receptor antagonists (MRAs; 53%). The use of triple HF therapy (ACEI/ARB/angiotensin receptor neprilysin inhibitor with β-blockers and MRA) was higher in the S/V groups than non-S/V group (48.2%, 48.2%, and 40.2% in rS/V, S/V, and non-S/V, respectively).
Conclusion
In this large multinational HFrEF registry, patients receiving sacubitril/valsartan tended to be younger with lower LVEF and higher NYHA class. Fewer than half of the patients received triple HF therapy.
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Affiliation(s)
- Uwe Zeymer
- Klinikum Ludwigshafen, Medizinische Klinik B and Institut für Herzinfarktforschung, Bremserstrasse 79, 67063 Ludwigshafen-am-Rhein, Germany
| | - Andrew L Clark
- Castle Hill Hospital, Kingston Upon Hull, Castle Rd, Cottingham HU16 5JQ, United Kingdom
| | - Vivencio Barrios
- Department of Cardiology, Ramon y Cajal Hospital, Ctra. de Colmenar Viejo km. 9,100 28034 Madrid, Spain
| | - Thibaud Damy
- Department of Cardiology, Henri Mondor Hospital, 1 Rue Gustave Eiffel, 94000 Créteil, France
| | - Jaroslaw Drożdż
- Department Cardiology Medical University of Lodz, Poland 92-213 Lodz, Pomorska 251, Poland
| | - Candida Fonseca
- Hospital de Sao Francisco Xavier, Estrada Forte do Alto do Duque, 1449-005, Lisbon, Portugal
| | - Lars H Lund
- Department of Medicine, Unit of Cardiology, Karolinska Institutet and Karolinska University HospitalFoU Tema Hjärta Kärl, Eugeniavägen 3, Norrbacka, S1:02, 171 76 Stockholm, Sweden
| | - Stefanie Kalus
- GKM Gesellschaft für Therapieforschung mbH, Lessingstr. 14, 80336 Munich, Germany
| | | | - Rizwan I Hussain
- Arxx Therapeutics, Gaustadalléen 21, 0349 Oslo, Norway
- Symbion Science Park, Fruebjergvej 3, 2100 Copenhagen, Denmark
| | | | - Aldo P Maggioni
- Associazione Nazionale Medici Cardiologi Ospedalieri Research Center, Via La Marmora 34, 50121 Florence, Italy
- Maria Cecilia Hospital, GVM Care & Research, Via Corriera, 1, 48033 Cotignola RA, Italy
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5
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Nägele H, Gröene E, Stierle D, Nägele MP. Analysis of causes of death in patients with implanted defibrillators. Clin Res Cardiol 2021; 110:895-904. [PMID: 33687520 DOI: 10.1007/s00392-021-01825-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 02/18/2021] [Indexed: 12/11/2022]
Abstract
AIMS Implantable cardioverter defibrillators (ICDs) are used for primary or secondary prevention of sudden cardiac death. We sought to clarify prognosis and causes of death after ICD implantation. METHODS AND RESULTS A total of 2743 patients with ICDs implanted during 1990-2020 were analyzed. Median age was 68.5 (59.6-74.6) years; 21% women, median left ventricular ejection fraction (LVEF) was 30 (23-35), 52% had an ischemic etiology and 77% had a primary preventive indication. Mortality rate after 10 years was 22, 44, 55, and 72% in the 1st, 2nd, 3rd, and 4th age quartile, respectively. The calculated median sex and age adjusted loss of life years compared to the average German population was 9.7 (6.1-14.0) years. Prognosis was independently related to sex, age, LVEF, and glomerular filtration rate. 713 out of 852 deaths could be classified to a specific cause. Congestive heart failure (CHF) accounted for death in 214 (30%) and sudden death (SD) for 144 patients (20%). Postmortem interrogation of devices in 74 patients revealed VT/VF in 39 and no episodes in 35 patients. Cancer was identified as the cause of death in 121 patients (17% of cases), of which 36 were bronchial carcinomas. 73 (10%) of patients died due to infection. 67 patients (9%) died within 24 h of procedures. Compared to other causes, significantly more life years were lost associated with procedures and SD: 9.3 (5.7-12.9) versus 12.1 (7.4-15.2) and 11.9 (7.6-17.8) years. CONCLUSION Life expectancy of ICD patients is lower than for the general population. Mortality is predominantly due to CHF, but there is still a considerable rate of SD. The occurrence of cancers, most importantly bronchial carcinomas, and infections, warrants protective measures. Some deaths during procedures are possibly preventable. Patients with ICDs comprise a vulnerable cohort, and treatment has to be optimized in many directions to improve prognosis.
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Affiliation(s)
- Herbert Nägele
- Heart Center, Cardiology Division, Department of Heart Failure and Device Therapy, Albertinen-Krankenhaus, Süntelstraße 11a, 22457, Hamburg, Germany.
| | - Eike Gröene
- Heart Center, Cardiology Division, Department of Heart Failure and Device Therapy, Albertinen-Krankenhaus, Süntelstraße 11a, 22457, Hamburg, Germany
| | - Daniel Stierle
- Heart Center, Cardiology Division, Department of Heart Failure and Device Therapy, Albertinen-Krankenhaus, Süntelstraße 11a, 22457, Hamburg, Germany
| | - Matthias P Nägele
- Department of Cardiology, University Hospital Zürich, Zurich, Switzerland
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Cuthbert JJ, Pellicori P, Clark AL. Cardiovascular Outcomes with Sacubitril-Valsartan in Heart Failure: Emerging Clinical Data. Ther Clin Risk Manag 2020; 16:715-726. [PMID: 32848403 PMCID: PMC7425097 DOI: 10.2147/tcrm.s234772] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 06/28/2020] [Indexed: 12/11/2022] Open
Abstract
One of the defining features of heart failure (HF) is neurohormonal activation. The renin-angiotensin-aldosterone-system (RAAS) and sympathetic nervous system (SNS) cause vasoconstriction and fluid retention and, in response, the secretion of natriuretic peptides (NPs) from volume and pressure-overloaded myocardium promotes vasodilation and diuresis. Inhibition of the RAAS with either angiotensin-converting enzyme inhibitors (ACEI) or angiotensin receptor blockers (ARB) has been the cornerstone of medical treatment for HF with a reduced ejection fraction (HFrEF) but, until recently, it was unclear how the beneficial effects of NPs may be augmented in patients with HF. Neprilysin, a metalloproteinase widely distributed throughout the body, plays a role in degrading the gross excess of circulating NPs in patients with HF. Early studies of neprilysin inhibition suggested possible physiological benefits. In 2014, the PARADIGM-HF trial found that sacubitril-valsartan, a combination of the ARB valsartan, and the neprilysin inhibitor sacubitril, was superior to enalapril in patients with HFrEF, reducing the relative risk of cardiovascular (CV) death or first hospitalisation with HF by 20%. Almost half of the patients with HF symptoms have a “preserved” ejection fraction (HFpEF); however, the PARAGON-HF study found that sacubitril-valsartan in patients with LVEF ≥45% had no effect on CV death or first and recurrent hospitalisations with HF compared to valsartan. Guidelines across the world have changed to include sacubitril-valsartan for patients with HFrEF yet, nearly 6 years after PARADIGM-HF, there is still uncertainty as to when and in whom sacubitril-valsartan should be started. Furthermore, there may yet be subsets of patients with HFpEF who might benefit from treatment with sacubitril-valsartan. This review will describe the mechanisms behind the outcome benefit of sacubitril-valsartan in patients with HFrEF and to consider its future role in the management of patients with HF.
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Affiliation(s)
- Joseph J Cuthbert
- Department of Academic Cardiology, Hull York Medical School, Hull and East Yorkshire Medical Research and Teaching Centre, Castle Hill Hospital, Kingston upon Hull HU16 5JQ, UK
| | - Pierpaolo Pellicori
- Robertson Institute of Biostatistics and Clinical Trials Unit, University of Glasgow, University Avenue, Glasgow G12 8QQ, UK
| | - Andrew L Clark
- Department of Academic Cardiology, Hull York Medical School, Hull and East Yorkshire Medical Research and Teaching Centre, Castle Hill Hospital, Kingston upon Hull HU16 5JQ, UK
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Zeymer U, Clark AL, Barrios V, Damy T, Drożdż J, Fonseca C, Lund LH, Comite GD, Hupfer S, Maggioni AP. Management of heart failure with reduced ejection fraction in Europe: design of the ARIADNE registry. ESC Heart Fail 2020; 7:727-736. [PMID: 32027782 PMCID: PMC7160498 DOI: 10.1002/ehf2.12569] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 10/21/2019] [Accepted: 11/04/2019] [Indexed: 12/11/2022] Open
Abstract
AIMS The introduction of sacubitril/valsartan (an angiotensin receptor-neprilysin inhibitor) is likely to change the approach to the management of patients with chronic heart failure with reduced ejection fraction (HFrEF). The Assessment of Real Life Care-Describing European Heart Failure Management (ARIADNE) registry will evaluate patient characteristics, practice patterns, outcomes, and healthcare resource utilization in the outpatient setting across Europe, with the main focus on factors that guide physicians' decisions to start and continue sacubitril/valsartan in patients with HFrEF. METHODS AND RESULTS ARIADNE, a prospective, observational registry will enrol 9000 ambulatory patients with HFrEF in 23 European countries Supplement 1. The study will describe 4500 patients treated with conventional treatment (including an angiotensin-converting enzyme inhibitor/angiotensin receptor blocker), and 4500 patients started on sacubitril/valsartan. In each country, patients will be enrolled consecutively over an expected period of 12 months, and followed-up for 12 months. The primary objective is to describe the baseline clinical and demographic characteristics of patients with chronic HFrEF, which guide the decision of the treating physician to initiate sacubitril/valsartan or to continue conventional treatment. A co-primary objective is to identify the baseline characteristics that are associated with the likelihood of reaching the target dose of sacubitril/valsartan 97/103 mg twice daily during follow-up. CONCLUSIONS The ARIADNE registry will provide a comprehensive profile of patients with chronic HFrEF in Europe, will elucidate how management varies between countries, and will help clarify the usage and outcomes associated with use of sacubitril/valsartan in real life.
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Affiliation(s)
- Uwe Zeymer
- Klinikum Ludwigshafen, Institut für Herzinfarktforschung LudwigshafenBremserstrasse 79Ludwigshafen67063Germany
| | - Andrew L. Clark
- Department of CardiologyHull York Medical School, Castle Hill HospitalKingston upon HullUK
| | | | - Thibaud Damy
- Department of CardiologyHenri Mondor HospitalCreteilFrance
| | | | - Candida Fonseca
- S. Francisco Xavier Hospital, NOVA Medical School, Faculdade de Ciências MédicasUniversidade Nova de LisboaLisbonPortugal
| | - Lars H. Lund
- Department of Medicine, Unit of CardiologyKarolinska InstitutetStockholmSweden
| | | | | | - Aldo P. Maggioni
- Associazione Nazionale Medici Cardiologi Ospedalieri Research CenterFlorenceItaly
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