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Roy A, Cumberland MJ, O'Shea C, Holmes A, Kalla M, Gehmlich K, Geberhiwot T, Steeds RP. Arrhythmogenesis in Fabry Disease. Curr Cardiol Rep 2024:10.1007/s11886-024-02053-2. [PMID: 38607539 DOI: 10.1007/s11886-024-02053-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/25/2024] [Indexed: 04/13/2024]
Abstract
PURPOSE OF REVIEW Fabry Disease (FD) is a rare lysosomal storage disorder characterised by multiorgan accumulation of glycosphingolipid due to deficiency in the enzyme α-galactosidase A. Cardiac sphingolipid accumulation triggers various types of arrhythmias, predominantly ventricular arrhythmia, bradyarrhythmia, and atrial fibrillation. Arrhythmia is likely the primary contributor to FD mortality with sudden cardiac death, the most frequent cardiac mode of death. Traditionally FD was seen as a storage cardiomyopathy triggering left ventricular hypertrophy, diastolic dysfunction, and ultimately, systolic dysfunction in advanced disease. The purpose of this review is to outline the current evidence exploring novel mechanisms underlying the arrhythmia substrate. RECENT FINDINGS There is growing evidence that FD cardiomyopathy is a primary arrhythmic disease with each stage of cardiomyopathy (accumulation, hypertrophy, inflammation, and fibrosis) contributing to the arrhythmia substrate via various intracellular, extracellular, and environmental mechanisms. It is therefore important to understand how these mechanisms contribute to an individual's risk of arrhythmia in FD. In this review, we outline the epidemiology of arrhythmia, pathophysiology of arrhythmogenesis, risk stratification, and cardiac therapy in FD. We explore how advances in conventional cardiac investigations performed in FD patients including 12-lead electrocardiography, transthoracic echocardiography, and cardiac magnetic resonance imaging have enabled early detection of pro-arrhythmic substrate. This has allowed for appropriate risk stratification of FD patients. This paves the way for future work exploring the development of therapeutic initiatives and risk prediction models to reduce the burden of arrhythmia.
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Affiliation(s)
- Ashwin Roy
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK.
- Department of Cardiology, University Hospital Birmingham NHS Foundation Trust, Birmingham, Birmingham, UK.
| | - Max J Cumberland
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Christopher O'Shea
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Andrew Holmes
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Manish Kalla
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
- Department of Cardiology, University Hospital Birmingham NHS Foundation Trust, Birmingham, Birmingham, UK
| | - Katja Gehmlich
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
- Division of Cardiovascular Medicine, Department of Medicine and British Heart Foundation Centre of Research Excellence Oxford, University of Oxford, Oxford, UK
| | - Tarekegn Geberhiwot
- Department of Inherited Metabolic Diseases, University Hospital Birmingham NHS Foundation Trust, Birmingham, Birmingham, UK
- Institute of Metabolism and System Research, University of Birmingham, Birmingham, UK
| | - Richard P Steeds
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
- Department of Cardiology, University Hospital Birmingham NHS Foundation Trust, Birmingham, Birmingham, UK
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Del Franco A, Iannaccone G, Meucci MC, Lillo R, Cappelli F, Zocchi C, Pieroni M, Graziani F, Olivotto I. Clinical staging of Anderson-Fabry cardiomyopathy: An operative proposal. Heart Fail Rev 2024; 29:431-444. [PMID: 38006470 DOI: 10.1007/s10741-023-10370-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/06/2023] [Indexed: 11/27/2023]
Abstract
As a slowly progressive form of hypertrophic cardiomyopathy (HCM), Anderson-Fabry disease (FD) resembles the phenotype of the most common sarcomeric forms, although significant differences in presentation and long-term progression may help determine the correct diagnosis. A variety of electrocardiographic and imaging features of FD cardiomyopathy have been described at different times in the course of the disease, and considerable discrepancies remain regarding the assessment of disease severity by individual physicians. Therefore, we here propose a practical staging of FD cardiomyopathy, in hopes it may represent the standard for cardiac evaluation and facilitate communication between specialized FD centres and primary care physicians. We identified 4 main stages of FD cardiomyopathy of increasing severity, based on available evidence from clinical and imaging studies: non-hypertrophic, hypertrophic - pre-fibrotic, hypertrophic - fibrotic, and overt dysfunction. Each stage is described and discussed in detail, following the principle that speaking a common language is critical when managing such complex patients in a multi-disciplinary and sometimes multi-centre setting.
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Affiliation(s)
| | - Giulia Iannaccone
- Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Maria Chiara Meucci
- Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Rosa Lillo
- Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Francesco Cappelli
- Cardiomyopathy Unit, Careggi University Hospital, Florence, Italy
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Chiara Zocchi
- Cardiovascular Department, San Donato Hospital, Arezzo, Italy
| | | | - Francesca Graziani
- Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Iacopo Olivotto
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
- Cardiology Unit, Meyer University Hospital, Florence, Italy
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3
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Wanner C, Ortiz A, Wilcox WR, Hopkin RJ, Johnson J, Ponce E, Ebels JT, Batista JL, Maski M, Politei JM, Martins AM, Banikazemi M, Linhart A, Mauer M, Oliveira JP, Weidemann F, Germain DP. Global reach of over 20 years of experience in the patient-centered Fabry Registry: Advancement of Fabry disease expertise and dissemination of real-world evidence to the Fabry community. Mol Genet Metab 2023; 139:107603. [PMID: 37236007 DOI: 10.1016/j.ymgme.2023.107603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/13/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023]
Abstract
Fabry disease (FD, α-galactosidase A deficiency) is a rare, progressive, complex lysosomal storage disorder affecting multiple organ systems with a diverse spectrum of clinical phenotypes, particularly among female patients. Knowledge of its clinical course was still limited in 2001 when FD-specific therapies first became available and the Fabry Registry (NCT00196742; sponsor: Sanofi) was initiated as a global observational study. The Fabry Registry has now been operational for over 20 years, overseen by expert Boards of Advisors, and has collected real-world demographic and longitudinal clinical data from more than 8000 individuals with FD. Leveraging the accumulating evidence base, multidisciplinary collaborations have resulted in the creation of 32 peer-reviewed scientific publications, which have contributed to the greatly expanded knowledge on the onset and progression of FD, its clinical management, the role of sex and genetics, the outcomes of enzyme replacement therapy with agalsidase beta, and prognostic factors. We review how the Fabry Registry has evolved from its inception to become the largest global source of real-world FD patient data, and how the generated scientific evidence has helped to better inform the medical community, individuals living with FD, patient organizations, and other stakeholders. The patient-centered Fabry Registry fosters collaborative research partnerships with the overarching goal of optimizing the clinical management of patients with FD and is well positioned to add to its past achievements.
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Affiliation(s)
- Christoph Wanner
- Department of Medicine, Division of Nephrology, University Hospital of Würzburg, Würzburg, Germany.
| | - Alberto Ortiz
- Jiménez Díaz Foundation University Hospital and IIS-Fundación Jiménez Díaz UAM, Madrid, Spain; Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
| | - William R Wilcox
- Division of Medical Genetics, Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Robert J Hopkin
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, USA; Department of Pediatrics University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Jack Johnson
- Fabry Support & Information Group, Concordia, MO, USA
| | - Elvira Ponce
- Global Medical Affairs, Rare Nephrology, Sanofi, Cambridge, MA, USA
| | - Johan T Ebels
- Global Medical Affairs, Rare Nephrology, Sanofi, Cambridge, MA, USA
| | | | - Manish Maski
- Global Medical Affairs, Rare Nephrology, Sanofi, Cambridge, MA, USA
| | - Juan M Politei
- Foundation for the Study of Neurometabolic Diseases, FESEN, Buenos Aires, Argentina
| | - Ana Maria Martins
- Reference Center for Inborn Errors of Metabolism, Federal University of São Paulo, São Paulo, Brazil
| | - Maryam Banikazemi
- Advanced Medical Genetics, Westchester Medical Center, Valhalla, NY, USA; New York Medical College and New York Health & Hospital, New York, NY, USA
| | - Aleš Linhart
- Department of Cardiovascular Medicine, First Faculty of Medicine, Charles University, Prague, Czech Republic; General University Hospital, Prague, Czech Republic
| | - Michael Mauer
- Departments of Pediatrics and Medicine, University of Minnesota, Minneapolis, MN, USA
| | - João P Oliveira
- Service of Human Genetics, São João University Hospital Centre; Unit of Genetics, Department of Pathology, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Frank Weidemann
- Department of Medicine I, Klinikum Vest GmbH, Knappschaftskrankenhaus Recklinghausen, Academic Teaching Hospital, Recklinghausen, Germany
| | - Dominique P Germain
- French Referral Center for Fabry disease and MetabERN European Reference Network for Inherited Metabolic Diseases, Division of Medical Genetics, University of Versailles, Paris-Saclay University, Montigny, France
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4
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Hopkin RJ, Cabrera GH, Jefferies JL, Yang M, Ponce E, Brand E, Feldt-Rasmussen U, Germain DP, Guffon N, Jovanovic A, Kantola I, Karaa A, Martins AM, Tøndel C, Wilcox WR, Yoo HW, Burlina AP, Mauer M. Clinical outcomes among young patients with Fabry disease who initiated agalsidase beta treatment before 30 years of age: An analysis from the Fabry Registry. Mol Genet Metab 2023; 138:106967. [PMID: 36709533 DOI: 10.1016/j.ymgme.2022.106967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 11/26/2022] [Accepted: 11/26/2022] [Indexed: 12/02/2022]
Abstract
BACKGROUND Clinical manifestations of classic Fabry disease (α-galactosidase A deficiency) usually occur in childhood, while complications involving major organs typically develop in adulthood. Outcomes of Fabry-specific treatment among young patients have not been extensively reported. Our aim was to analyze clinical outcomes among patients aged 5-30 years at initiation of treatment with agalsidase beta using data from the Fabry Registry (NCT00196742, sponsor: Sanofi). METHODS Reported GLA variants were predicted to be associated with the classic phenotype or not classified in fabry-database.org. Linear mixed models were conducted to assess changes over ≥2-year follow-up in the estimated glomerular filtration rate (eGFR) stratified by low (LRI) and high (HRI) renal involvement (defined by proteinuria/albuminuria levels), and changes in interventricular septal thickness (IVST) and left ventricular posterior wall thickness (LVPWT) Z-scores stratified by median age at first treatment. Self-reports ('yes'/'no') of abdominal pain, diarrhea, chronic peripheral pain (denoting neuropathic pain), and acute pain crises at baseline were compared with reports after ≥0.5-year and ≥2.5-year follow-up using McNemar's test. RESULTS Male (n = 117) and female patients (n = 59) with LRI initiated treatment at a median age of 19.9 and 23.6 years, respectively, and were followed for a median of 6.3 and 5.0 years, respectively. The eGFR slopes were -1.18 (Pfrom 0 <0.001) and -0.92 mL/min/1.73 m2/year (Pfrom 0 = 0.040), respectively. Males with HRI (n = 23, median UPCR 1.0 g/g), who started treatment at a median age of 26.7 years, had an eGFR slope of -2.39 mL/min/1.73 m2/year (Pfrom 0 <0.001; Pdifference = 0.055, as compared with the slope of -1.18 mL/min/1.73 m2/year for LRI males) during a median follow-up of 5.6 years. Echocardiographic variables were stable among males, regardless of age, and among young females (median follow-up >5.5 years and ≥4.5 years, respectively). Older females (treatment initiation at median age 27.5 years) had a slope of LVPWT Z-scores of 0.18/year (n = 12, Pfrom 0 = 0.028), whereas IVST Z-scores remained stable (n = 13, 0.10/year, Pfrom 0 = 0.304) during a median follow-up of ≥3.7 years. These slopes did not significantly differ from slopes of younger females. Reports of chronic peripheral pain and acute pain crises by males, and of diarrhea and acute pain crises by females, significantly reduced after a median follow-up of ≥4.0 years. After a median follow-up of ≥5.4 years, reports of all four symptoms significantly decreased among males, whereas among females only reports of abdominal pain significantly decreased. CONCLUSIONS During sustained treatment with agalsidase beta in young Fabry patients with a predicted classic phenotype or with unclassified GLA variants with similar characteristics, the decline in eGFR was modest among male and female patients with LRI. The greater decline in eGFR among older, proteinuric (i.e., HRI) males may suggest a benefit of earlier treatment. Overall, echocardiographic variables remained stable, particularly among males and younger females. Significant reductions in symptom reports occurred primarily among males after longer follow-up and were less noticeable among females. These observed trends are suggestive of an overall improvement after treatment in young patients, but warrant larger longitudinal studies.
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Affiliation(s)
- Robert J Hopkin
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, and Department of Pediatrics University of Cincinnati College of Medicine, Cincinnati, OH, USA.
| | | | - John L Jefferies
- The Cardiovascular Institute, University of Tennessee Health Science Center, Memphis, TN, USA
| | | | | | - Eva Brand
- Internal Medicine D, Department of Nephrology, Hypertension and Rheumatology, University Hospital Münster, Münster, Germany
| | - Ulla Feldt-Rasmussen
- Department of Medical Endocrinology and Metabolism, Rigshospitalet, Copenhagen University Hospital, and Department of Clinical Medicine, Faculty of Health and Clinical Sciences, Copenhagen University, Copenhagen, Denmark
| | - Dominique P Germain
- French Referral Center for Fabry disease, Division of Medical Genetics, University of Versailles and APHP - Paris Saclay University, Garches, France
| | - Nathalie Guffon
- Centre de Référence des Maladies Héréditaires du Métabolisme, Hôpital Femme Mère Enfant, Bron Cedex, France
| | - Ana Jovanovic
- Mark Holland Metabolic Unit, Salford Royal NHS Foundation Trust, Salford, UK
| | - Ilkka Kantola
- Division of Medicine, Turku University Hospital, University of Turku, Turku, Finland
| | - Amel Karaa
- Department of Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Ana M Martins
- Reference Center for Inborn Errors of Metabolism, Federal University of São Paulo, São Paulo, Brazil
| | - Camilla Tøndel
- Department of Pediatrics, Haukeland University Hospital, Bergen, Norway, and Department of Clinical Science, University of Bergen, Bergen, Norway
| | - William R Wilcox
- Division of Medical Genetics, Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Han-Wook Yoo
- Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | | | - Michael Mauer
- Departments of Pediatrics and Medicine, University of Minnesota, Minneapolis, MN, USA
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5
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Fingrova Z, Havranek S, Sknouril L, Bulava A, Vancura V, Chovanec M, Dedek V, Curila K, Skala T, Jäger J, Kluh T, Dostalova G, Germain DP, Linhart A. Screening of Fabry disease in patients with an implanted permanent pacemaker. Int J Cardiol 2023; 372:71-5. [PMID: 36473604 DOI: 10.1016/j.ijcard.2022.11.062] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/14/2022] [Accepted: 11/29/2022] [Indexed: 12/07/2022]
Abstract
BACKGROUND Anderson-Fabry disease (AFD) is an X-linked inherited lysosomal disease caused by a defect in the gene encoding lysosomal enzyme α-galactosidase A (GLA). Atrio-ventricular (AV) nodal conduction defects and sinus node dysfunction are common complications of the disease. It is not fully elucidated how frequently AFD is responsible for acquired AV block or sinus node dysfunction and if some AFD patients could manifest primarily with spontaneous bradycardia in general population. The purpose of study was to evaluate the prevalence of AFD in male patients with implanted permanent pacemaker (PM). METHODS The prospective multicentric screening in consecutive male patients between 35 and 65 years with implanted PM for acquired third- or second- degree type 2 AV block or symptomatic second- degree type 1 AV block or sinus node dysfunction was performed. RESULTS A total of 484 patients (mean age 54 ± 12 years at time of PM implantation) were enrolled to the screening in 12 local sites in Czech Republic. Out of all patients, negative result was found in 481 (99%) subjects. In 3 cases, a GLA variant was found, classified as benign: p.Asp313Tyr, p.D313Y). Pathogenic GLA variants (classical or non-classical form) or variants of unclear significance were not detected. CONCLUSION The prevalence of pathogenic variants causing AFD in a general population sample with implanted permanent PM for AV conduction defects or sinus node dysfunction seems to be low. Our findings do not advocate a routine screening for AFD in all adult males with clinically significant bradycardia.
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Powell AW, Wittekind SG, Mays WA, Lang SM, Knilans TK, Prada CE, Hopkin RJ, Chin C. Arrhythmia Burden and Heart Rate Response During Exercise in Anderson-Fabry Disease. Tex Heart Inst J 2022; 49:485731. [PMID: 36069908 DOI: 10.14503/thij-20-7363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Patients with Anderson-Fabry disease (AFD) have an elevated incidence of resting arrhythmias and ischemic heart disease, but their exercise arrhythmia burden and ischemic changes are not well understood. In addition, little research has been done on heart rate recovery in these patients. We retrospectively reviewed charts of patients with AFD who underwent maximal effort cardiopulmonary exercise testing (CPET) (n=44; 38.2 ± 13.8 yr; 23 men) from 2012 through 2018. Electrocardiographic, Holter monitoring, echocardiographic, cardiac magnetic resonance imaging, and patient demographic data were collected. No patient had adverse events that necessitated CPET termination, whereas 25 (57%) had ectopy during CPET, including 3 (7%) with frequent premature atrial contractions and 5 (11%) with frequent premature ventricular contractions. The ectopic burden was higher during resting electrocardiographic monitoring before exercise. In addition, 7 patients (16%) had pathologic ST-segment or T-wave changes on CPET, defined as ST-segment changes ≥2 mm. Among the patients who had concurrent cardiac magnetic resonance findings with their CPET (n=27), ST-segment or T-wave changes were associated with left ventricular myocardial mass (r=0.43, P=0.02). Chronotropic incompetence was seen during CPET in 28 patients (64%); however, only 2 patients (4%) had abnormal heart rate recovery at 1 minute. This study shows that patients with AFD can safely undergo exercise testing but have a high incidence of exercise-induced arrhythmias and ischemic changes. Ischemic electrocardiographic changes during exercise testing are associated with myocardial mass. Despite the chronotropic incompetence associated with AFD, heart rate recovery appears to be generally preserved in these patients.
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Affiliation(s)
- Adam W Powell
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Samuel G Wittekind
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Wayne A Mays
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Sean M Lang
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Timothy K Knilans
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Carlos E Prada
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Robert J Hopkin
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Clifford Chin
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.,The Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
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7
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Beck M, Ramaswami U, Hernberg-Ståhl E, Hughes DA, Kampmann C, Mehta AB, Nicholls K, Niu DM, Pintos-Morell G, Reisin R, West ML, Schenk J, Anagnostopoulou C, Botha J, Giugliani R. Twenty years of the Fabry Outcome Survey (FOS): insights, achievements, and lessons learned from a global patient registry. Orphanet J Rare Dis 2022; 17:238. [PMID: 35725623 PMCID: PMC9208147 DOI: 10.1186/s13023-022-02392-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 06/06/2022] [Indexed: 12/03/2022] Open
Abstract
Background Patient registries provide long-term, real-world evidence that aids the understanding of the natural history and progression of disease, and the effects of treatment on large patient populations with rare diseases. The year 2021 marks the 20th anniversary of the Fabry Outcome Survey (FOS), an international, multicenter, observational registry (NCT03289065). The primary aims of FOS are to broaden the understanding of Fabry disease (FD), an X-linked lysosomal storage disorder, and to improve the clinical management of affected patients. Here, we review the history of FOS and the analyses and publications disseminated from the registry, and we discuss the contributions FOS studies have made in understanding FD. Results FOS was initiated in April 2001 and, as of January 2021, 4484 patients with a confirmed diagnosis and patient informed consent have been enrolled from 144 centers across 26 countries. Data from FOS have been published in nearly 60 manuscripts on a wide variety of topics relevant to FD. Analyses of FOS data have investigated the long-term effectiveness and safety of enzyme replacement therapy (ERT) with agalsidase alfa and its effects on morbidity and mortality, as well as the benefits of prompt and early treatment with agalsidase alfa on the progression of cardiomyopathy and the decline in renal function associated with FD. Based on analyses of FOS data, ERT with agalsidase alfa has also been shown to improve additional signs and symptoms of FD experienced by patients. FOS data analyses have provided a better understanding of the natural history of FD and the specific populations of women, children, and the elderly, and have provided practical tools for the study of FD. FOS has also provided methodology and criteria for assessing disease severity which contributed to the continuous development of medical practice in FD and has largely improved our understanding of the challenges and needs of long-term data collection in rare diseases, aiding in future rare disease real-world evidence studies. Conclusion FOS over the last 20 years has substantially increased the scientific knowledge around improved patient management of FD and continues to expand our understanding of this rare disease.
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Affiliation(s)
- Michael Beck
- SphinCS GmbH, Institute Clinical Science LSD, Hochheim, Germany
| | - Uma Ramaswami
- Lysosomal Disorders Unit, Institute of Immunity and Transplantation, Royal Free London NHS Foundation Trust, University College London, London, UK.
| | | | - Derralynn A Hughes
- Lysosomal Disorders Unit, Institute of Immunity and Transplantation, Royal Free London NHS Foundation Trust, University College London, London, UK
| | - Christoph Kampmann
- Johannes Gutenberg School of Medicine, University of Mainz, Mainz, Germany
| | - Atul B Mehta
- Department of Haematology, University College London, London, UK
| | - Kathleen Nicholls
- The Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
| | - Dau-Ming Niu
- Taipei Veterans General Hospital, Taipei, Taiwan
| | - Guillem Pintos-Morell
- Reference Centre for Hereditary Metabolic Disorders (MetabERN), Vall d'Hebron University Hospital, Barcelona, Spain
| | - Ricardo Reisin
- Hospital Británico de Buenos Aires, Buenos Aires, Argentina
| | - Michael L West
- Department of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Jörn Schenk
- Takeda Pharmaceuticals International AG, Zurich, Switzerland
| | | | - Jaco Botha
- Takeda Pharmaceuticals International AG, Zurich, Switzerland
| | - Roberto Giugliani
- Department of Genetics, UFRGS, Medical Genetics Service, HCPA, Porto Alegre, Brazil
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8
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Adeboye A, Alkhatib D, Latham S, Jefferies J. The Cardiovascular Manifestations of Anderson-Fabry Disease. Curr Cardiovasc Risk Rep. [DOI: 10.1007/s12170-022-00691-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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9
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Giugliani R, Marques S, Andrade LGMD, Pessoa A, Vaisbich MH, Blum A, Tenório F, Rosa Neto NS. Clinical and diagnostic aspects of Fabry disease management: a narrative review with a particular focus on Brazilian experts’ perspectives. J inborn errors metab screen 2022. [DOI: 10.1590/2326-4594-jiems-2021-0028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Roberto Giugliani
- Universidade Federal do Rio Grande do Sul, Brazil; Hospital de Clínicas de Porto Alegre, Brazil
| | | | | | - André Pessoa
- Hospital Infantil Albert Sabin, Brazil; Universidade Estadual do Ceará, Brazil
| | - Maria H. Vaisbich
- Universidade Federal de São Paulo, Brazil; Universidade de São Paulo (HCFMUSP), Brazil
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10
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Kim H, Kang MG, Park HW, Park JR, Hwang JY, Kim K. Anderson-Fabry disease presenting with atrial fibrillation as earlier sign in a young patient: A case report. World J Clin Cases 2021; 9:4823-4828. [PMID: 34222454 PMCID: PMC8223842 DOI: 10.12998/wjcc.v9.i18.4823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/03/2021] [Accepted: 05/15/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Anderson-Fabry disease (AFD) is an X-linked lysosomal storage disorder that results from a deficiency of α-galactosidase A enzyme activity in which glycosphingolipids gradually accumulate in multi-organ systems. Cardiac manifestations are the leading cause of mortality in patients with AFD. Among them, arrhythmias comprise a large portion of the heart disease cases in AFD, most of which are characterized by conduction disorders. However, atrial fibrillation as a presenting sign at the young age group diagnosed with AFD is uncommon.
CASE SUMMARY We report a case of a 26-year-old man who was admitted with chest discomfort. Left ventricular hypertrophy was fulfilled in the criteria by the Sokolow-Lyon index and atrial fibrillation on the 12 Leads-electrocardiography (ECG) that was documented in the emergency room. After spontaneously restored to normal sinus rhythm, relationships between P and R waves, including a shorter PR interval on the ECG, were revealed. The echocardiographic findings showed thickened interventricular septal and left posterior ventricular walls. Based on the clues mentioned earlier, we realized the possibility of AFD. Additionally, we noticed the associated symptoms and signs, including bilateral mild hearing loss, neuropathic pain, anhidrosis, and angiokeratoma on the trunk and hands. He was finally diagnosed with classical AFD, which was confirmed by the gene mutation and abnormal enzyme activity of α-galactosidase A.
CONCLUSION This case is a rare case of AFD as a presentation with atrial fibrillation at a young age. Confirming the relationship between P and Q waves on the ECG through sinus rhythm conversion may help in differential diagnosis of the cause of atrial fibrillation and hypertrophic myocardium.
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Affiliation(s)
- Hangyul Kim
- Department of Internal Medicine, Gyeongsang National University Hospital, Jinju 52727, South Korea
| | - Min Gyu Kang
- Department of Internal Medicine, Gyeongsang National University Hospital, Jinju 52727, South Korea
| | - Hyun Woong Park
- Department of Internal Medicine, Gyeongsang National University Hospital, Jinju 52727, South Korea
| | - Jeong-Rang Park
- Department of Internal Medicine, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Jinju 52727, South Korea
| | - Jin-Yong Hwang
- Department of Internal Medicine, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Jinju 52727, South Korea
| | - Kyehwan Kim
- Department of Internal Medicine, Gyeongsang National University Hospital, Jinju 52727, South Korea
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11
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El Sayed M, Hirsch A, Boekholdt M, van Dussen L, Datema M, Hollak C, Langeveld M. Influence of sex and phenotype on cardiac outcomes in patients with Fabry disease. Heart 2021; 107:1889-1897. [PMID: 33568430 PMCID: PMC8600611 DOI: 10.1136/heartjnl-2020-317922] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 01/05/2021] [Accepted: 01/13/2021] [Indexed: 11/05/2022] Open
Abstract
Objective This study describes the influence of sex and disease phenotype on the occurrence of cardiac events in Fabry disease (FD). Methods Cardiac events from birth to last visit (median age 50 years) were recorded for 213 patients with FD. Patients were categorised as follows : men with classical FD (n=57), men with non-classical FD (n=26), women with classical FD (n=98) and women with non-classical FD (n=32), based on the presence of classical FD symptoms, family history (men and women), biomarkers and residual enzyme activity (men). Event rates per 1000 patient-years after the age of 15 years and median event-free survival (EVS) age were presented. Influence of disease phenotype, sex and their interaction was studied using Firth’s penalised Cox regression. Results The event rates of major cardiovascular events (combined endpoint cardiovascular death (CVD), heart failure (HF) hospitalisation, sustained ventricular arrhythmias (SVAs) and myocardial infarction) were 11.0 (95% CI 6.6 to 17.3) in men with classical FD (EVS 55 years), 4.4 (95% CI 2.5 to 7.1) in women with classical FD (EVS 70 years) and 5.9 (95% CI 2.6 to 11.6) in men with non-classical FD (EVS 70 years). None of these events occurred in women with non-classical FD. Sex and phenotype significantly influenced the risk of major adverse cardiovascular event. CVD was the leading cause of death (75%) to which HF contributed most (42%). The overall rate of SVA was low (14 events in nine patients (4%)). Conclusions Sex and phenotype greatly influence the risk and age of onset of cardiac events in FD. This indicates the need for patient group-specific follow-up and treatment.
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Affiliation(s)
- Mohamed El Sayed
- Endocrinology and Metabolism, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Alexander Hirsch
- Cardiology, Erasmus Medical Center, Rotterdam, Zuid-Holland, The Netherlands.,Radiology and Nuclear Medicine, Erasmus Medical Center, Rotterdam, Zuid-Holland, The Netherlands
| | - Matthijs Boekholdt
- Cardiology, Amsterdam UMC Locatie AMC, Amsterdam, Noord Holland, The Netherlands
| | - Laura van Dussen
- Endocrinology and Metabolism, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Mareen Datema
- Endocrinology and Metabolism, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Carla Hollak
- Endocrinology and Metabolism, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Mirjam Langeveld
- Endocrinology and Metabolism, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
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12
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Dutra-Clarke M, Tapia D, Curtin E, Rünger D, Lee GK, Lakatos A, Alandy-Dy Z, Freedkin L, Hall K, Ercelen N, Alandy-Dy J, Knight M, Pahl M, Lombardo D, Kimonis V. Variable clinical features of patients with Fabry disease and outcome of enzyme replacement therapy. Mol Genet Metab Rep 2021; 26:100700. [PMID: 33437642 DOI: 10.1016/j.ymgmr.2020.100700] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/22/2020] [Accepted: 12/22/2020] [Indexed: 12/29/2022] Open
Abstract
Fabry disease (FD) is an X-linked lysosomal storage disorder caused by a deficiency in the enzyme α-galactosidase A due to mutations in the GLA gene. This leads to an accumulation of globotriaosylceramide (GL-3) in many tissues, which results in progressive damage to the kidneys, heart, and nervous system. We present the molecular and clinical characteristics and long-term outcomes of FD patients from a multidisciplinary clinic at the University of California, Irvine treated with agalsidase beta enzyme replacement therapy (ERT) for 2-20 years. This cohort comprised 24 adults (11 males, 13 females) and two male children (median age 45; range 10-68 years). Of the 26 patients in this cohort, 20 were on ERT (12 males, 8 females). We describe one novel variant not previously reported in the literature in a patient with features of 'classic' FD. The vast majority of patients in this cohort presented with symptoms of 'classic' FD including peripheral neuropathic pain, some form of cardiac involvement, angiokeratomas, corneal verticillata, hypohidrosis, tinnitus, and gastrointestinal symptoms, primarily abdominal pain. The majority of males had clinically evident renal involvement. An annual eGFR reduction of -1.88 mL/min/1.73 m2/yr during the course of ERT was seen in this cohort. The most common renal presentation was proteinuria, and one individual required a renal transplant. Other common findings were pulmonary involvement, lymphedema, hearing loss, and significantly, three patients had strokes. Notably, there was a high prevalence of endocrine dysfunction and low bone mineral density, including several with osteoporosis. While enzyme replacement therapy (ERT) cleared plasma GL-3 in this cohort, there was limited improvement in renal function or health-related quality of life based on the patient-reported SF-36 Health Survey. Physical functioning significantly declined over the course of ERT treatment, which may be, in part, due to the late initiation of ERT in several patients. Further delineation of the phenotypic and genotypic spectrum in patients with FD and the long-term outcome of ERT will help improve management and treatment options for this disease.
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13
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Vijapurapu R, Geberhiwot T, Jovanovic A, Baig S, Nordin S, Kozor R, Leyva F, Kotecha D, Wheeldon N, Deegan P, Rusk RA, Moon JC, Hughes DA, Woolfson P, Steeds RP. Study of indications for cardiac device implantation and utilisation in Fabry cardiomyopathy. Heart 2019; 105:1825-1831. [PMID: 31446426 PMCID: PMC6900228 DOI: 10.1136/heartjnl-2019-315229] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 06/25/2019] [Accepted: 07/03/2019] [Indexed: 12/11/2022] Open
Abstract
Background Fabry disease is a treatable X-linked condition leading to progressive cardiomyopathy, arrhythmia and premature death. Atrial and ventricular arrhythmias contribute significantly to adverse prognosis; however, guidance to determine which patients require cardiovascular implantable electronic devices (CIEDs) is sparse. We aimed to evaluate indications for implantation practice in the UK and quantify device utilisation. Methods In this retrospective study, we included demographic, clinical and imaging data from patients in four of the largest UK Fabry centres. Ninety patients with Fabry disease were identified with CIEDs implanted between June 2001 and February 2018 (FD-CIED group). To investigate differences in clinical and imaging markers between those with and without devices, these patients were compared with 276 patients without a CIED (FD-control). Results In the FD-CIED group, 92% of patients with permanent pacemakers but only 28% with implantable cardioverter-defibrillators had a class 1 indication for implantation. A further 44% of patients had defibrillators inserted for primary prevention outside of current guidance. The burden of arrhythmia requiring treatment in the FD-CIED group was high (asymptomatic atrial fibrillation: 29%; non-sustained ventricular tachycardia requiring medical therapy alone: 26%; sustained ventricular tachycardia needing anti-tachycardia pacing/defibrillation: 28%). Those with devices were older, had greater LV mass, more scar tissue and larger atrial size. Conclusions Arrhythmias are common in Fabry patients. Those with cardiac devices had high rates of atrial fibrillation requiring anticoagulation and ventricular arrhythmia needing device treatment. These are as high as those in hypertrophic cardiomyopathy, supporting the need for Fabry-specific indications for device implantation.
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Affiliation(s)
- Ravi Vijapurapu
- Department of Cardiology, Queen Elizabeth Hospital Birmingham, Birmingham, UK.,Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK.,Department of Endocrinology, Queen Elizabeth Hospital Birmingham, Birmingham, UK
| | - Tarekegn Geberhiwot
- Department of Endocrinology, Queen Elizabeth Hospital Birmingham, Birmingham, UK .,Institute of Metabolism and System Research, University of Birmingham, Birmingham, UK
| | - Ana Jovanovic
- Mark Holland Metabolic Unit, Salford Royal Hospitals NHS Trust, Salford, UK
| | - Shanat Baig
- Department of Cardiology, Queen Elizabeth Hospital Birmingham, Birmingham, UK.,Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK.,Department of Endocrinology, Queen Elizabeth Hospital Birmingham, Birmingham, UK
| | - Sabrina Nordin
- Department of Cardiology, Barts Heart Centre, London, UK
| | - Rebecca Kozor
- Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
| | - Francisco Leyva
- Aston Medical Research Institute, Aston Medical School, Birmingham, UK
| | - Dipak Kotecha
- Department of Cardiology, Queen Elizabeth Hospital Birmingham, Birmingham, UK.,Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Nigel Wheeldon
- South Yorkshire Cardiothoracic Centre, Northern General Hospital, Sheffield, UK
| | - Patrick Deegan
- Department of Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Rosemary A Rusk
- Department of Cardiology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - James C Moon
- Department of Cardiology, Barts Heart Centre, London, UK
| | - Derralynn A Hughes
- Lysosomal Storage Disorder Unit, Royal Free London NHS Foundation Trust, London, UK
| | - Peter Woolfson
- Department of Cardiology, Salford Royal Hospitals NHS Trust, Salford, UK
| | - Richard P Steeds
- Department of Cardiology, Queen Elizabeth Hospital Birmingham, Birmingham, UK.,Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
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14
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Mathur S, Dreisbach JG, Karur GR, Iwanochko RM, Morel CF, Wasim S, Nguyen ET, Wintersperger BJ, Hanneman K. Loss of base-to-apex circumferential strain gradient assessed by cardiovascular magnetic resonance in Fabry disease: relationship to T1 mapping, late gadolinium enhancement and hypertrophy. J Cardiovasc Magn Reson 2019; 21:45. [PMID: 31366357 PMCID: PMC6670217 DOI: 10.1186/s12968-019-0557-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 06/17/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Cardiac involvement is common and is the leading cause of mortality in Fabry disease (FD). We explored the association between cardiovascular magnetic resonance (CMR) myocardial strain, T1 mapping, late gadolinium enhancement (LGE) and left ventricular hypertrophy (LVH) in patients with FD. METHODS In this prospective study, 38 FD patients (45.0 ± 14.5 years, 37% male) and 8 healthy controls (40.1 ± 13.7 years, 63% male) underwent 3 T CMR including cine balanced steady-state free precession (bSSFP), LGE and modified Look-Locker Inversion recovery (MOLLI) T1 mapping. Global longitudinal (GLS) and circumferential (GCS) strain and base-to-apex longitudinal strain (LS) and circumferential strain (CS) gradients were derived from cine bSSFP images using feature tracking analysis. RESULTS Among FD patients, 8 had LVH (FD LVH+, 21%) and 17 had LGE (FD LGE+, 45%). Nineteen FD patients (50%) had neither LVH nor LGE (FD LVH- LGE-). None of the healthy controls had LVH or LGE. FD patients and healthy controls did not differ significantly with respect to GLS (- 15.3 ± 3.5% vs. - 16.3 ± 1.5%, p = 0.45), GCS (- 19.4 ± 3.0% vs. -19.5 ± 2.9%, p = 0.84) or base-to-apex LS gradient (7.5 ± 3.8% vs. 9.3 ± 3.5%, p = 0.24). FD patients had significantly lower base-to-apex CS gradient (2.1 ± 3.7% vs. 6.5 ± 2.2%, p = 0.002) and native T1 (1170.2 ± 37.5 ms vs. 1239.0 ± 18.0 ms, p < 0.001). Base-to-apex CS gradient differentiated FD LVH- LGE- patients from healthy controls (OR 0.42, 95% CI: 0.20 to 0.86, p = 0.019), even after controlling for native T1 (OR 0.24, 95% CI: 0.06 to 0.99, p = 0.049). In a nested logistic regression model with native T1, model fit was significantly improved by the addition of base-to-apex CS gradient (χ2(df = 1) = 11.04, p < 0.001). Intra- and inter-observer agreement were moderate to good for myocardial strain parameters: GLS (ICC 0.849 and 0.774, respectively), GCS (ICC 0.831 and 0.833, respectively), and base-to-apex CS gradient (ICC 0.737 and 0.613, respectively). CONCLUSIONS CMR reproducibly identifies myocardial strain abnormalities in FD. Loss of base-to-apex CS gradient may be an early marker of cardiac involvement in FD, with independent and incremental value beyond native T1.
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Affiliation(s)
- Shobhit Mathur
- Toronto Joint Department of Medical Imaging, Toronto General Hospital, University of Toronto, 585 University Avenue, 1PMB-298, Toronto, ON M5G 2N2 Canada
| | - John G. Dreisbach
- Toronto Joint Department of Medical Imaging, Toronto General Hospital, University of Toronto, 585 University Avenue, 1PMB-298, Toronto, ON M5G 2N2 Canada
| | - Gauri R. Karur
- Toronto Joint Department of Medical Imaging, Toronto General Hospital, University of Toronto, 585 University Avenue, 1PMB-298, Toronto, ON M5G 2N2 Canada
| | - Robert M. Iwanochko
- Division of Cardiology, Peter Munk Cardiac Centre, University Health Network, University of Toronto, 585 University Ave, Toronto, ON M5G 2N2 Canada
| | - Chantal F. Morel
- Fred A. Litwin Centre in Genetic Medicine, University Health Network & Mount Sinai Hospital, University of Toronto, 60 Murray St, Toronto, ON M5T 3L9 Canada
| | - Syed Wasim
- Fred A. Litwin Centre in Genetic Medicine, University Health Network & Mount Sinai Hospital, University of Toronto, 60 Murray St, Toronto, ON M5T 3L9 Canada
| | - Elsie T. Nguyen
- Toronto Joint Department of Medical Imaging, Toronto General Hospital, University of Toronto, 585 University Avenue, 1PMB-298, Toronto, ON M5G 2N2 Canada
| | - Bernd J. Wintersperger
- Toronto Joint Department of Medical Imaging, Toronto General Hospital, University of Toronto, 585 University Avenue, 1PMB-298, Toronto, ON M5G 2N2 Canada
| | - Kate Hanneman
- Toronto Joint Department of Medical Imaging, Toronto General Hospital, University of Toronto, 585 University Avenue, 1PMB-298, Toronto, ON M5G 2N2 Canada
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15
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Ramaswami U, Bichet DG, Clarke LA, Dostalova G, Fainboim A, Fellgiebel A, Forcelini CM, An Haack K, Hopkin RJ, Mauer M, Najafian B, Scott CR, Shankar SP, Thurberg BL, Tøndel C, Tylki-Szymanska A, Bénichou B, Wijburg FA. Low-dose agalsidase beta treatment in male pediatric patients with Fabry disease: A 5-year randomized controlled trial. Mol Genet Metab 2019; 127:86-94. [PMID: 30987917 DOI: 10.1016/j.ymgme.2019.03.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 03/06/2019] [Accepted: 03/30/2019] [Indexed: 11/23/2022]
Abstract
BACKGROUND Fabry disease is a rare, X-linked, lifelong progressive lysosomal storage disorder. Severely deficient α-galactosidase A activity in males is associated with the classic phenotype with early-onset, multisystem manifestations evolving to vital organ complications during adulthood. We assessed the ability of 2 low-dose agalsidase beta regimens to lower skin, plasma, and urine globotriaosylceramide (GL-3) levels, and influence clinical manifestations in male pediatric Fabry patients. METHODS In this multicenter, open-label, parallel-group, phase 3b study, male patients aged 5-18 years were randomized to receive agalsidase beta at 0.5 mg/kg 2-weekly (n = 16) or 1.0 mg/kg 4-weekly (n = 15) for 5 years. All had plasma/urine GL-3 accumulation but no clinically evident organ involvement. The primary outcome was GL-3 accumulation in superficial skin capillary endothelium (SSCE). RESULTS The mean age was 11.6 (range: 5-18) years and all but one of the 31 patients had classic GLA mutations. In the overall cohort, shifts from non-0 to 0-scores for SSCE GL-3 were significant at years 1, 3, and 5, but results were variable. Plasma GL-3 normalized and urine GL-3 reduced substantially. Higher anti-agalsidase beta antibody titers were associated with less robust SSCE GL-3 clearance and higher urine GL-3 levels. Renal function remained stable and normal. Most Fabry signs and symptoms tended to stabilize; abdominal pain was significantly reduced (-26.3%; P = .0215). No new clinical major organ complications were observed. GL-3 accumulation and cellular and vascular injury were present in baseline kidney biopsies (n = 7). Treatment effects on podocyte GL-3 content and foot process width were highly variable. Fabry arteriopathy overall increased in severity. Two patients withdrew and 2 had their agalsidase beta dose increased. CONCLUSIONS Our findings increase the limited amount of available data on long-term effects of enzyme replacement therapy in pediatric, classic Fabry patients. The low-dose regimens studied here over a period of 5 years did not demonstrate a consistent benefit among the patients in terms of controlling symptomatology, urine GL-3 levels, and pathological histology. The current available evidence supports treatment of pediatric, classic male Fabry patients at the approved agalsidase beta dose of 1.0 mg/kg 2-weekly if these patients are considered for enzyme replacement therapy with agalsidase beta.
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Affiliation(s)
- Uma Ramaswami
- Lysosomal Disorders Unit, Institute of Immunity and Transplantation, Royal Free London NHS Foundation Trust, University College of London, London, United Kingdom.
| | - Daniel G Bichet
- Nephrology Service, Research Center, Hôpital du Sacré-Coeur de Montréal and University of Montreal, Montreal, QC, Canada
| | - Lorne A Clarke
- Child and Family Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Gabriela Dostalova
- 2nd Department of Internal Medicine and Department of Cardiovascular Medicine, Charles University Prague, General University Hospital Prague, Prague, Czech Republic
| | - Alejandro Fainboim
- Hospital de Niños Ricardo Gutierrez, Hospital de Dia Polivalente, Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
| | - Andreas Fellgiebel
- Department of Psychiatry and Psychotherapy, University Medical Center Mainz, Mainz, Germany
| | - Cassiano M Forcelini
- Faculty of Medicine, Universidade de Passo Fundo, and Hospital São Vicente de Paulo, Passo Fundo, RS, Brazil
| | | | - Robert J Hopkin
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College Medicine, Cincinnati, OH, USA
| | - Michael Mauer
- Departments of Pediatrics and Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Behzad Najafian
- Department of Pathology, University of Washington, Seattle, WA, USA
| | - C Ronald Scott
- Division of Genetic Medicine, Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
| | - Suma P Shankar
- Departments of Human Genetics and Ophthalmology, Emory University School of Medicine, Decatur, GA, USA
| | | | - Camilla Tøndel
- Departments of Pediatrics and Clinical Medicine, Haukeland University Hospital, Bergen, Norway
| | - Anna Tylki-Szymanska
- Department of Pediatric Nutrition and Metabolic Diseases, The Children's Memorial Health Institute, Warsaw, Poland
| | | | - Frits A Wijburg
- Department of Pediatric Metabolic Diseases, Emma Children's Hospital and Amsterdam Lysosome Center "Sphinx", Academic Medical Center, University Hospital of Amsterdam, Amsterdam, the Netherlands
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16
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Wilson HC, Ambach S, Madueme PC, Khoury PR, Hopkin RJ, Jefferies JL. Comparison of Native T1, Strain, and Traditional Measures of Cardiovascular Structure and Function by Cardiac Magnetic Resonance Imaging in Patients With Anderson-Fabry Disease. Am J Cardiol 2018; 122:1074-1078. [PMID: 30075896 DOI: 10.1016/j.amjcard.2018.06.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 06/02/2018] [Accepted: 06/06/2018] [Indexed: 01/18/2023]
Abstract
Cardiovascular magnetic resonance imaging (CMR) has emerged as a powerful tool to illuminate cardiovascular pathology in Anderson-Fabry disease (AFD); however, further study is required to develop clinically useful monitoring paradigms. The objective of this study was to retrospectively evaluate strain, native septal T1 values, and standard CMR measurements in a cohort of AFD patients to characterize useful measures of cardiovascular dysfunction that may be derived from a CMR platform. Eighteen patients were identified (n = 8 males) and divided according to presence or absence of left ventricular hypertrophy (LVH). Biometric data were gathered and native T1 and strain values were measured for all patients. Patients with LVH were older and had significantly lower native T1 measured at the apical septal (893 ± 78 vs 1044 ± 217 ms, p = 0.035), midventricular septal (864 ± 76 vs 988 ± 67 ms, p = 0.016), and basal septal (867 ± 58 vs 1027 ± 84 ms, p = 0.006) regions. Circumferential strain was more positive in patients with LVH (-13.5% ± 5.0% vs -18.7% ± 2.7%, p = 0.042), but longitudinal strain was not significantly different between groups. Patients with LVH had higher stroke volumes (114.5 ± 9.7 vs 96.7 ± 17.8 ml, p = 0.050), but other standard CMR measures were not significantly different. In conclusion, AFD patients with LVH have reduced native T1 and more positive circumferential strain compared to those without. The basal septum may be an appropriate region for standard measure of native T1 in this population.
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Affiliation(s)
- Hunter C Wilson
- Department of Pediatrics and Communicable Diseases, Division of Cardiology, C. S. Mott Children's Hospital and University of Michigan, Ann Arbor, Michigan
| | - Stephanie Ambach
- Heritage College of Osteopathic Medicine, Ohio University, Cleveland, Ohio
| | - Peace C Madueme
- Cardiac Center, Nemours Children's Hospital, Orlando, Florida
| | - Philip R Khoury
- Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Robert J Hopkin
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - John L Jefferies
- Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
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17
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Caffarelli C, Santamaria F, Di Mauro D, Mastrorilli C, Montella S, Tchana B, Valerio G, Verrotti A, Valenzise M, Bernasconi S, Corsello G. Advances in pediatrics in 2017: current practices and challenges in allergy, endocrinology, gastroenterology, genetics, immunology, infectious diseases, neonatology, nephrology, neurology, pulmonology from the perspective of Italian Journal of Pediatrics. Ital J Pediatr 2018; 44:82. [PMID: 30016966 PMCID: PMC6050676 DOI: 10.1186/s13052-018-0524-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 07/03/2018] [Indexed: 11/25/2022] Open
Abstract
This review provides an overview of a remarkable number of significant studies in pediatrics that have been published over the past year in the Italian Journal of Pediatrics. We have selected information from papers presented in the Journal that deal with allergy, endocrinology, gastroenterology, genetics, immunology, infectious diseases, neonatology, nephrology, neurology, pulmonology. The relevant epidemiologic findings, and developments in prevention, diagnosis and treatment of the last year have been discussed and placed in context. We think that advances achieved in 2017 will help readers to make the future of patients better.
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Affiliation(s)
- Carlo Caffarelli
- Clinica Pediatrica, Department of Medicine and Surgery, Azienda Ospedaliera-Universitaria, University of Parma, Parma, Italy
| | - Francesca Santamaria
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Dora Di Mauro
- Clinica Pediatrica, Department of Medicine and Surgery, Azienda Ospedaliera-Universitaria, University of Parma, Parma, Italy
| | - Carla Mastrorilli
- Clinica Pediatrica, Department of Medicine and Surgery, Azienda Ospedaliera-Universitaria, University of Parma, Parma, Italy
| | - Silvia Montella
- Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Bertrand Tchana
- Cardiologia Pediatrica, Azienda Ospedaliera-Universitaria, Parma, Italy
| | - Giuliana Valerio
- Pediatria, Dipartimento di Scienze Motorie e del Benessere, Università di Napoli Parthenope, Naples, Italy
| | - Alberto Verrotti
- Department of Pediatrics, University of L’Aquila, L’Aquila, Italy
| | - Mariella Valenzise
- UOC Clinica Pediatrica AOU G, Martino Università di Messina, Messina, Italy
| | - Sergio Bernasconi
- Pediatrics Honorary Member University Faculty, G D’Annunzio University of Chieti-Pescara, Chieti, Italy
| | - Giovanni Corsello
- Department of Sciences for Health Promotion and Mother and Child Care “G. D’Alessandro”, University of Palermo, Palermo, Italy
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18
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Laney DA, Gupta D, Wechsler SB. Getting to the Heart of the Matter: Lysosomal Storage Diseases That Manifest a Cardiac Phenotype. Curr Genet Med Rep 2018; 6:28-42. [DOI: 10.1007/s40142-018-0135-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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19
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Ortiz A, Germain DP, Desnick RJ, Politei J, Mauer M, Burlina A, Eng C, Hopkin RJ, Laney D, Linhart A, Waldek S, Wallace E, Weidemann F, Wilcox WR. Fabry disease revisited: Management and treatment recommendations for adult patients. Mol Genet Metab 2018. [PMID: 29530533 DOI: 10.1016/j.ymgme.2018.02.014] [Citation(s) in RCA: 332] [Impact Index Per Article: 55.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Fabry disease is an X-linked lysosomal storage disorder caused by mutations in the GLA gene leading to deficient α-galactosidase A activity, glycosphingolipid accumulation, and life-threatening complications. Phenotypes vary from the "classic" phenotype, with pediatric onset and multi-organ involvement, to later-onset, a predominantly cardiac phenotype. Manifestations are diverse in female patients in part due to variations in residual enzyme activity and X chromosome inactivation patterns. Enzyme replacement therapy (ERT) and adjunctive treatments can provide significant clinical benefit. However, much of the current literature reports outcomes after late initiation of ERT, once substantial organ damage has already occurred. Updated monitoring and treatment guidelines for pediatric patients with Fabry disease have recently been published. Expert physician panels were convened to develop updated, specific guidelines for adult patients. Management of adult patients depends on 1) a personalized approach to care, reflecting the natural history of the specific disease phenotype; 2) comprehensive evaluation of disease involvement prior to ERT initiation; 3) early ERT initiation; 4) thorough routine monitoring for evidence of organ involvement in non-classic asymptomatic patients and response to therapy in treated patients; 5) use of adjuvant treatments for specific disease manifestations; and 6) management by an experienced multidisciplinary team.
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Affiliation(s)
- Alberto Ortiz
- Unidad de Dialisis, IIS-Fundacion Jimenez Diaz, School of Medicine, UAM, IRSIN and REDINREN, Madrid, Spain.
| | - Dominique P Germain
- French Referral Center for Fabry disease, Division of Medical Genetics and INSERM U1179, University of Versailles, Paris-Saclay University, Montigny, France
| | - Robert J Desnick
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Juan Politei
- Department of Neurology, Fundacion Para el Estudio de Enfermedades Neurometabolicas (FESEN), Buenos Aires, Argentina
| | - Michael Mauer
- Departments of Pediatrics and Medicine, University of Minnesota, Minneapolis, MN, USA
| | | | - Christine Eng
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Robert J Hopkin
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, and Department of Pediatrics University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Dawn Laney
- Division of Medical Genetics, Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Aleš Linhart
- 2nd Department of Internal - Cardiovascular Medicine, First Medical Faculty, Charles University, Prague, Czech Republic
| | - Stephen Waldek
- School of Pharmacy, University of Sunderland, Sunderland, UK
| | - Eric Wallace
- Department of Medicine, Division of Nephrology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Frank Weidemann
- Department of Internal Medicine, Katharinen-Hospital Unna, Unna, Germany
| | - William R Wilcox
- Division of Medical Genetics, Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
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