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Mhd D, A H, P N, D Y, P B. Cardiopulmonary Exercise Testing in Children and Adolescents with Repaired Tetralogy of Fallot: Mechanisms of Exercise Intolerance and Clinical Implications. Pediatr Cardiol 2024:10.1007/s00246-024-03524-7. [PMID: 38940827 DOI: 10.1007/s00246-024-03524-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 05/12/2024] [Indexed: 06/29/2024]
Abstract
By comparison with adults, cardiopulmonary exercise testing in children with Tetralogy of Fallot is limited, and its clinical application less clarified. This study provides a comprehensive CPET profile in a child-adolescent population with repaired TOF, explores mechanisms underpinning exercise intolerance and associations with clinical outcome. Seventy-four CPETs were completed in 58 child-adolescents with rTOF (age 13.8 SD 2.4 years). CPET parameters were corrected for age, sex and body size. At follow-up (4.9 years, IQR 3.5-7.9) clinical status and re-intervention was evaluated and CPET indices predicting these outcomes determined. Cohort peak V̇O2 was within low-normal limits (% pred: 74.1% SD 15.4) with 15 patients (26%) displaying moderately severe reduction in V̇O2peak (< 65% pred). Oxygen uptake efficiency slope highly correlated with V̇O2peak (r = 0.94, p < 0.001) and was insensitive to exercise intensity. No significant change in CPET occurred in patients who underwent interval testing at 24 SD 14.5 months, although there was a variable response in V̇O2peak between individuals. Chronotropic response, lung vital capacity, heart rate-V̇O2 slope (indicator of stroke volume) predicted oxygen consumption: V̇O2peak (R2 = 50.91%, p < 0.001) and workload (R2 = 58.39%, p < 0.001). Adverse clinical status was associated with reduced workload (OR 0.97, p = 0.011). V̇E/V̇CO2 slope was steeper in those that died ((%pred:137.8 SD 60.5 vs. 108.4 SD 17.0, p < 0.019). RVOT reintervention post-CPET (24 patients, 43.8%) was associated with an increased gradient of HR-VO2 slope (OR 1.042, p = 0.004). In child-adolescents with TOF important reductions in cardiopulmonary functioning were apparent in 25% of patients. Exercise intolerance was related to reduced vital capacity, impaired chronotropic response and deficient stroke volume increment.
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Affiliation(s)
- Danton Mhd
- Department of Scottish, Pediatric Congenital Cardiac Services Royal Hospital for Children, Glasgow, G51 4TF, Scotland, UK.
- School of Cardiovascular and Metabolic, Health University of Glasgow, Glasgow, Scotland, UK.
| | - Hadjisoteriou A
- School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow, Scotland, UK
| | - Noonan P
- Department of Scottish, Pediatric Congenital Cardiac Services Royal Hospital for Children, Glasgow, G51 4TF, Scotland, UK
| | - Young D
- Department of Mathematics and Statistics, University of Strathclyde, Glasgow, Scotland, UK
| | - Burns P
- Department Cardiopulmonary Physiology Royal Hospital for Children, Glasgow, Scotland, UK
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Studyvin S, Birnbaum BF, Staggs VS, Gross-Toalson J, Shirali G, Panchangam C, White DA. Development and Initial Validation of a Frailty Score for Pediatric Patients with Congenital and Acquired Heart Disease. Pediatr Cardiol 2024; 45:888-900. [PMID: 36378279 DOI: 10.1007/s00246-022-03045-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 11/01/2022] [Indexed: 11/16/2022]
Abstract
Frailty is a multi-dimensional clinical syndrome that is associated with increased morbidity and mortality and decreased quality of life. Children/adolescents with heart disease (HD) perform significantly worse for each frailty domain compared to non-HD peers. Our study aimed to create a composite frailty score (CFS) that can be applied to children/adolescents with HD and evaluate associations between the CFS and outcomes. Children and adolescents (n = 30) with HD (73% single ventricle, 20% heart failure, 7% pulmonary hypertension) were recruited from 2016 to 2017 (baseline). Five frailty domains were assessed at baseline using measures validated for pediatrics: (1) Slowness: 6-min walk test; (2) Weakness: handgrip strength; (3) Fatigue: PedsQL Multi-dimensional Fatigue Scale; (4) Body composition: triceps skinfold thickness; and (5) Physical activity questionnaire. Frailty points per domain (range = 0-5) were assigned based on z-scores or raw questionnaire scores and summed to produce a CFS (0 = least frail; 25 = most frail). Nonparametric bootstrapping was used to identify correlations between CFS and cross-sectional change in outcomes over 2.2 ± 0.2 years. The mean CFS was 12.5 ± 3.5. In cross-sectional analyses of baseline data, correlations (|r|≥ 0.30) were observed between CFS and NYHA class, the number of ancillary specialists, total prescribed medications, heart failure medications/day, exercise test derived chronotropic index and percent predicted VO2peak, and between child and parent proxy PEDsQL. At follow-up, CFS was correlated with an increase in the number of heart failure medications (r = 0.31). CFS was associated with cross-sectional outcomes in youth with heart disease. Longitudinal analyses were limited by small sample sizes due to loss to follow-up.
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Affiliation(s)
- Sarah Studyvin
- Ward Family Heart Center, Children's Mercy Hospital, 2401 Gillham Road, Kansas City, MO, 64108, USA
| | - Brian F Birnbaum
- Ward Family Heart Center, Children's Mercy Hospital, 2401 Gillham Road, Kansas City, MO, 64108, USA
- School of Medicine, University of Missouri Kansas City, Kansas City, MO, USA
| | - Vincent S Staggs
- School of Medicine, University of Missouri Kansas City, Kansas City, MO, USA
- Biostatistics & Epidemiology Core, Health Services & Outcomes Research, Children's Mercy Hospital, Kansas City, MO, USA
| | - Jami Gross-Toalson
- Ward Family Heart Center, Children's Mercy Hospital, 2401 Gillham Road, Kansas City, MO, 64108, USA
- School of Medicine, University of Missouri Kansas City, Kansas City, MO, USA
| | - Girish Shirali
- Ward Family Heart Center, Children's Mercy Hospital, 2401 Gillham Road, Kansas City, MO, 64108, USA
- School of Medicine, University of Missouri Kansas City, Kansas City, MO, USA
| | | | - David A White
- Ward Family Heart Center, Children's Mercy Hospital, 2401 Gillham Road, Kansas City, MO, 64108, USA.
- School of Medicine, University of Missouri Kansas City, Kansas City, MO, USA.
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Zhou GY, Cerrone D, Lewinter K, Masood I, Detterich J, Singh S, Shah P, Keens T, Sabati A, Kato R. The prevalence of abnormal spirometry in children with CHD. Cardiol Young 2023; 33:2548-2552. [PMID: 36999369 DOI: 10.1017/s1047951123000550] [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] [Indexed: 04/01/2023]
Abstract
BACKGROUND The burden of pulmonary disease in children with CHD remains under-recognised. Studies have examined children with single ventricle and two ventricle heart disease and documented a decreased forced vital capacity. Our study sought to further explore the pulmonary function of children with CHD. METHODS A retrospective review was performed of spirometry in CHD patients over a 3-year period. Spirometry data were corrected for size, age, and gender and analysed using z-scores. RESULTS The spirometry of 260 patients was analysed. About 31% had single ventricle (n = 80, 13.6 years (interquartile range 11.5-16.8)) and 69% had two ventricle circulation (n = 180, 14.4 years (interquartile range 12.0-17.3)). Single ventricle patients were found to have a lower median forced vital capacity z-score compared to two ventricle patients (p = 0.0133). The prevalence of an abnormal forced vital capacity was 41% in single ventricle patients and 29% in two ventricle patients. Two ventricle patients with tetralogy of Fallot and truncus arteriosus had similar low forced vital capacity comparable to single ventricle patients. The number of cardiac surgeries predicted an abnormal forced vital capacity in two ventricle patients except tetralogy of Fallot patients. CONCLUSION Pulmonary morbidity in patients with CHD is common with a decreased forced vital capacity noted in single ventricle and two ventricle patients. Forced vital capacity is lower in patients with single ventricle circulation; however, two ventricle patients with tetralogy of Fallot or truncus arteriosus have similar lung function in comparison to the single ventricle group. The number of surgical interventions was predictive of forced vital capacity z-score in some but not all two ventricle patients and not predictive in single ventricle patients suggesting a multifactorial to pulmonary disease in children with CHD.
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Affiliation(s)
- Geena Y Zhou
- Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Daniel Cerrone
- Division of Pediatric Pulmonology and Sleep Medicine, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Katherine Lewinter
- Division of Pediatric Pulmonology and Sleep Medicine, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Imran Masood
- Division of Cardiology, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Jon Detterich
- Division of Cardiology, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Sasha Singh
- Division of Pediatric Pulmonology and Sleep Medicine, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Payal Shah
- Division of Cardiology, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Thomas Keens
- Division of Pediatric Pulmonology and Sleep Medicine, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Arash Sabati
- Division of Cardiology, Phoenix Children's Hospital, Phoenix, AZ, USA
| | - Roberta Kato
- Division of Pediatric Pulmonology and Sleep Medicine, Children's Hospital Los Angeles, Los Angeles, CA, USA
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Leonardi B, Cifra B. The Role of Cardiopulmonary Testing to Risk Stratify Tetralogy of Fallot Patients. CJC PEDIATRIC AND CONGENITAL HEART DISEASE 2023; 2:314-321. [PMID: 38161674 PMCID: PMC10755826 DOI: 10.1016/j.cjcpc.2023.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 10/13/2023] [Indexed: 01/03/2024]
Abstract
Neonatal repair has completely changed the clinical history of patients with tetralogy of Fallot (ToF); however, these patients carry a significant risk of severe arrhythmias and sudden cardiac death in the long term. The exact mechanism for late sudden cardiac death is multifactorial and still not well defined, and the risk stratification for primary prophylaxis in these patients remains challenging. Cardiopulmonary exercise testing (CPET) is a well-established and safe method to assess cardiopulmonary function in children and adults with congenital heart disease. Several parameters obtained with CPET have been identified as potential prognostic of major adverse cardiovascular events in congenital heart disease. CPET is routinely used to assess functional capacity also in patients with ToF, and there is some evidence showing its usefulness in predicting the cardiac adverse events in patients with repaired ToF. Current guidelines recognize the importance of CPET in the evaluation and management of patients with ToF, but there is no clear consensus on which the CPET parameter or level of exercise intolerance, as measured by CPET, is truly predictive of an increased risk of arrhythmia and major adverse cardiovascular events in this population. Therefore, the aim of this narrative review is to describe the current evidence on the potential use of CPET in the risk stratification of patients with repaired ToF.
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Affiliation(s)
- Benedetta Leonardi
- Department of Pediatric Cardiology, Cardiac Surgery and Heart Lung Transplantation, Bambino Gesù Hospital, IRCCS, Rome, Italy
| | - Barbara Cifra
- Division of Cardiology, Labatt Family Heart Centre, the Hospital for Sick Children, Toronto, Ontario, Canada
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Krzywda K, Teson KM, Watson JS, Goudar S, Forsha D, Wagner JB, White DA. Peak Oxygen Consumption (V̇O 2peak ) Recovery Delay in a Pediatric Fontan Population. Med Sci Sports Exerc 2023; 55:1961-1967. [PMID: 37418236 DOI: 10.1249/mss.0000000000003247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
PURPOSE The purpose of this study is to identify predictors and correlates of VO2RD in youth with Fontan. METHODS Cardiopulmonary exercise test data was used from a single center, cross-sectional study of children and adolescents (age, 8-21 yr) with Fontan physiology. The VO2RD was determined using time (s) to <90% of V̇O 2peak and categorized as "low" (≤10 s) or "high" (≥10 s). t Tests and χ 2 analysis were used to compare continuous and categorical variables, respectively. RESULTS The analysis sample included 30 adolescents with Fontan physiology (age, 14.2 ± 2.4 yr; 67% male) with either right ventricular (RV) dominant (40%) or co/left ventricular (Co/LV) dominant (60%) systemic ventricular morphology. There were no differences in V̇O 2peak between the high and low VO2RD groups (high = 1.3 ± 0.4 L·min -1 ; low = 1.3 ± 0.3 L·min -1 ; P = 0.97). VO2RD in participants with RV dominance was significantly greater than in patients with Co/LV dominance (RV = 23.8 ± 15.8 s; Co/LV = 11.8 ± 16.1 s; P = 0.03). CONCLUSIONS V̇O 2peak was not correlated with VO2RD when analyzed as high/low VO2RD groups. However, morphology of the systemic single ventricle (RV vs Co/LV) may be related to rate of recovery in V̇O 2 after a peak cardiopulmonary exercise test.
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Affiliation(s)
| | | | - Jessica S Watson
- Ward Family Heart Center, Children's Mercy Kansas City, Kansas City, MO
| | - Suma Goudar
- Children's National Heart Institute, Department of Pediatrics, Washington, DC
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White DA, Layton AM, Curran T, Gauthier N, Orr WB, Ward K, Vernon M, Martinez MN, Rice MC, Hansen K, Prusi M, Hansen JE. ehealth technology in cardiac exercise therapeutics for pediatric patients with congenital and acquired heart conditions: a summary of evidence and future directions. Front Cardiovasc Med 2023; 10:1155861. [PMID: 37332590 PMCID: PMC10272804 DOI: 10.3389/fcvm.2023.1155861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/18/2023] [Indexed: 06/20/2023] Open
Abstract
Many children and adolescents with congenital and acquired heart disease (CHD) are physically inactive and participate in an insufficient amount of moderate-to-vigorous intensity exercise. Although physical activity (PA) and exercise interventions are effective at improving short- and long-term physiological and psychosocial outcomes in youth with CHD, several barriers including resource limitations, financial costs, and knowledge inhibit widespread implementation and dissemination of these beneficial programs. New and developing eHealth, mHealth, and remote monitoring technologies offer a potentially transformative and cost-effective solution to increase access to PA and exercise programs for youth with CHD, yet little has been written on this topic. In this review, a cardiac exercise therapeutics (CET) model is presented as a systematic approach to PA and exercise, with assessment and testing guiding three sequential PA and exercise intervention approaches of progressive intensity and resource requirements: (1) PA and exercise promotion within a clinical setting; (2) unsupervised exercise prescription; and (3) medically supervised fitness training intervention (i.e., cardiac rehabilitation). Using the CET model, the goal of this review is to summarize the current evidence describing the application of novel technologies within CET in populations of children and adolescents with CHD and introduce potential future applications of these technologies with an emphasis on improving equity and access to patients in low-resource settings and underserved communities.
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Affiliation(s)
- David A. White
- Ward Family Heart Center, Children’s Mercy Kansas City, Kansas City, MO, United States
- School of Medicine, University of Missouri Kansas City, Kansas City, MO, United States
| | - Aimee M. Layton
- Division of Pediatric Cardiology, Department of Pediatrics, Columbia University Irving Medical Center, New York, NY, United States
| | - Tracy Curran
- Department of Cardiology, Boston Children’s Hospital, Boston, MA, United States
| | - Naomi Gauthier
- Department of Cardiology, Boston Children’s Hospital, Boston, MA, United States
| | - William B. Orr
- Division of Pediatric Cardiology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
| | - Kendra Ward
- Division of Cardiology, Department of Pediatrics, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL, United States
| | - Meg Vernon
- Division of Cardiology, Department of Pediatrics, Seattle Children’s Hospital, Seattle, WA, United States
| | - Matthew N. Martinez
- Division of Pediatric Cardiology, Department of Pediatrics, Hassenfeld Children’s Hospital at NYU Langone, New York, NY, United States
| | - Malloree C. Rice
- Division of Pediatric Cardiology, Heart Institute, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Katherine Hansen
- Department of Cardiology, Boston Children’s Hospital, Boston, MA, United States
| | - Megan Prusi
- Division of Pediatric Cardiology, Department of Pediatrics, C.S. Mott Children’s Hospital, Ann Arbor, MI, United States
| | - Jesse E. Hansen
- Division of Pediatric Cardiology, Department of Pediatrics, C.S. Mott Children’s Hospital, Ann Arbor, MI, United States
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Mahendran AK, Katz D, Opotowsky AR, Lubert AM. Exercise Pathophysiology and Testing in Individuals With a Fontan Circulation. CJC PEDIATRIC AND CONGENITAL HEART DISEASE 2023; 2:112-123. [PMID: 37969357 PMCID: PMC10642126 DOI: 10.1016/j.cjcpc.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 01/07/2023] [Indexed: 11/17/2023]
Abstract
The Fontan circulation, a surgical palliation for single-ventricle congenital heart disease, profoundly impacts the cardiopulmonary response to exercise. Reliant on passive pulmonary blood flow, the Fontan circulation has limited capacity to augment cardiac output as necessary to supply working muscles during exercise. Cardiopulmonary exercise testing (CPET) objectively assesses cardiorespiratory fitness and provides insight into the etiology of exercise intolerance. Furthermore, CPET variables, such as peak oxygen consumption and submaximal variables, have prognostic value and may be used as meaningful endpoints in research studies. CPET is also useful in clinical research applications to assess the effect of pharmacologic or other interventions. Medical therapies to improve exercise tolerance in individuals with a Fontan circulation, such as pulmonary vasodilators, may modestly improve peak oxygen consumption. Exercise training focused on aerobic fitness and lower extremity strength may have a more consistent and larger impact on these measures of aerobic fitness. CPET is a valuable diagnostic and prognostic tool for those with a Fontan circulation. Newer ancillary assessments, such as noninvasive peripheral venous pressure monitoring and cardiac output measurements, hold promise to provide a more nuanced insight into the underlying pathophysiology.
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Affiliation(s)
- Arjun K. Mahendran
- Department of Pediatrics, Heart Institute, Cincinnati Children’s Hospital, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - David Katz
- Department of Pediatrics, Heart Institute, Cincinnati Children’s Hospital, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Alexander R. Opotowsky
- Department of Pediatrics, Heart Institute, Cincinnati Children’s Hospital, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Adam M. Lubert
- Department of Pediatrics, Heart Institute, Cincinnati Children’s Hospital, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
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Torres-Puebla G, Poblete P, Rodríguez-Núñez I, Báez C, Muñoz-Pareja M, Zenteno D. The cardiorespiratory response and physiological determinants of the 6-min handbike cycle test in healthy children: A cross-sectional study. Pediatr Pulmonol 2023; 58:1152-1159. [PMID: 36617493 DOI: 10.1002/ppul.26309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 01/05/2023] [Accepted: 01/05/2023] [Indexed: 01/10/2023]
Abstract
INTRODUCTION The submaximal tests are used to measure aerobic capacity and correlate with activities of daily living in chronic patients. The 6-min handbike cycle test (6mhct) was created for nonambulatory subjects, but there are no reference values to quantify and classify the cardiorespiratory fitness of children in this condition. OBJECTIVE(S) Generate 6mhct reference values and determine predictive variables in a population of Chilean children between 8 and 13 years old. MATERIALS AND METHODS Cross-sectional study. Sampling for convenience, stratified by age. Evaluation of anthropometric variables, handgrip strength, heart rate (HR), effort perception, and blood pressure were performed, then the 6mhct was applied. Descriptive statistics, Student's t test and Mann-Whitney U test, correlation coefficient, and regression equation were used to estimate the total revolutions by age, being significant p < 0.05. RESULTS Were evaluated 120 children homogeneously distributed by age. The total revolutions performed by boys and girls were 861.4 ± 102.9 and 771.8 ± 90.2, respectively (p < 0.001). There was a significant correlation between total revolutions and age (r = .52), weight (r = .29), height (r = .46), average UULL (length of the upper limb) length (r = .44), average handgrip strength (r = .53), peak HR (r = .67), recovery HR (r = .44), and HR reserve (r = .72). The regression equation was established. CONCLUSIONS These results can be used as preliminary reference values for the 6mhct in Chilean children from 8 to 13 years old. Handgrip strength, age, peak HR, and HR reserve influenced the performance of the 6mhct.
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Affiliation(s)
- Gerardo Torres-Puebla
- Children's Respiratory Rehabilitation Program, Pediatric Service, Guillermo Grant Benavente Hospital, Concepcion, Chile.,Master of Science Program in Cardiorespiratory Kinesiology, Departamento de Kinesiología, Facultad de Ciencias de la Salud, Universidad San Sebastián, Concepcion, Chile
| | - Pedro Poblete
- Master of Science Program in Cardiorespiratory Kinesiology, Departamento de Kinesiología, Facultad de Ciencias de la Salud, Universidad San Sebastián, Concepcion, Chile
| | - Iván Rodríguez-Núñez
- Departamento de Kinesiología, Facultad de Medicina, Universidad de Concepción, Concepcion, Chile
| | - Claudio Báez
- Master of Science Program in Cardiorespiratory Kinesiology, Departamento de Kinesiología, Facultad de Ciencias de la Salud, Universidad San Sebastián, Concepcion, Chile
| | - Maritza Muñoz-Pareja
- Departamento de Salud Pública, Facultad de Medicina, Universidad Católica de la Santísima Concepción, Concepcion, Chile
| | - Daniel Zenteno
- Children's Respiratory Rehabilitation Program, Pediatric Service, Guillermo Grant Benavente Hospital, Concepcion, Chile.,Departamento de Pediatría, Facultad de Medicina, Universidad de Concepción, Concepcion, Chile
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Hock J, Willinger L, Pozza RD, Ewert P, Hager A. Abnormalities in pulmonary function and volumes in patients with CHD: a systematic review. Cardiol Young 2023; 33:169-181. [PMID: 36601957 DOI: 10.1017/s1047951122004103] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND Lung function and cardiac function are naturally correlated by sharing the thoracic cage and handling the whole cardiac output sequentially. However, lung function studies are rare in patients with CHD, although results worthy of investigation could be expected. This review summarises existing studies with the lung function parameters (spirometry and body plethysmography) in CHD patients during the last decade. METHODS A systematic review was performed in the relevant database (PubMed, Cochrane, and Scopus) in studies including paediatric and adult patients with CHD where lung parameters (spirometry, body plethysmography) were investigated from January 2010 to December 2020. Two independent reviewers evaluated the studies according to the Study Quality Assessment Tool for Observational Cohort and Cross-Sectional Studies of the National Heart, Lung, and Blood Institute. RESULTS Eight studies investigated patients with Fontan palliation including 704 patients (306 female). Four studies included patients after repaired tetralogy of Fallot examining 219 patients (103 female), with one study using double. Further six studies included 3208 (1324 female) children and adults with various CHDs. Overall, four studies were categorised as "good", ten as "fair", and four as "poor". While the measurements were consistently standardised, references to calculate %predicted differed substantially across all studies. All evaluated studies showed reduced forced vital capacity in the majority of CHD patients. CONCLUSIONS Many CHD patients have a reduced forced vital capacity independent of their underlying defect. Spirometry should not only follow a standardised measure according to ATS (update 2019) but also stick to the 2012 GLI reference values.
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Affiliation(s)
- Julia Hock
- Department of Congenital Heart Disease and Pediatric Cardiology, Deutsches Herzzentrum München, Technical University of Munich, Munich, Germany
| | - Laura Willinger
- Department of Congenital Heart Disease and Pediatric Cardiology, Deutsches Herzzentrum München, Technical University of Munich, Munich, Germany
| | - Robert Dalla Pozza
- Department of Pediatric Cardiology, University Children's Hospital, Ludwig-Maximilians-University, Munich, Germany
| | - Peter Ewert
- Department of Congenital Heart Disease and Pediatric Cardiology, Deutsches Herzzentrum München, Technical University of Munich, Munich, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
| | - Alfred Hager
- Department of Congenital Heart Disease and Pediatric Cardiology, Deutsches Herzzentrum München, Technical University of Munich, Munich, Germany
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von Sanden F, Ptushkina S, Hock J, Fritz C, Hörer J, Hessling G, Ewert P, Hager A, Wolf CM. Peak Oxygen Uptake on Cardiopulmonary Exercise Test Is a Predictor for Severe Arrhythmic Events during Three-Year Follow-Up in Patients with Complex Congenital Heart Disease. J Cardiovasc Dev Dis 2022; 9:jcdd9070215. [PMID: 35877577 PMCID: PMC9320423 DOI: 10.3390/jcdd9070215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/06/2022] [Accepted: 06/29/2022] [Indexed: 12/04/2022] Open
Abstract
Patients with congenital heart disease (CHD) are at increased risk for severe arrhythmia and sudden cardiac death (SCD). Although implantable cardioverter defibrillators (ICD) effectively prevent SCD, risk stratification for primary prophylaxis in patients with CHD remains challenging. Patients with complex CHD undergoing CPET were included in this single-center study. Univariable and backwards stepwise multivariable logistic regression models were used to identify variables associated with the endpoint of severe arrhythmic event during three years of follow-up. Cut-off values were established with receiver operating characteristic (ROC) curve analysis. Survival analysis was conducted via Kaplan–Meier plots. Severe Arrhythmia was documented in 97 of 1194 patients (8.1%/3 years). Independent risk factors for severe arrhythmia during follow-up were old age and a low peak oxygen uptake (V.O2peak) on multivariable analysis. Patients with more advanced age and with V.O2peak values of less than 24.9 mL/min/kg were at significantly increased risk for the occurrence of severe arrhythmias during follow-up. The combined analysis of both risk factors yielded an additional benefit for risk assessment. Age at CPET and V.O2peak predict the risk for severe arrhythmic events and should be considered for risk stratification of SCD in patients with complex CHD.
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Affiliation(s)
- Felix von Sanden
- Department of Congenital Heart Defects and Pediatric Cardiology, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany; (F.v.S.); (S.P.); (J.H.); (C.F.); (G.H.); (P.E.); (A.H.)
| | - Svetlana Ptushkina
- Department of Congenital Heart Defects and Pediatric Cardiology, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany; (F.v.S.); (S.P.); (J.H.); (C.F.); (G.H.); (P.E.); (A.H.)
| | - Julia Hock
- Department of Congenital Heart Defects and Pediatric Cardiology, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany; (F.v.S.); (S.P.); (J.H.); (C.F.); (G.H.); (P.E.); (A.H.)
| | - Celina Fritz
- Department of Congenital Heart Defects and Pediatric Cardiology, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany; (F.v.S.); (S.P.); (J.H.); (C.F.); (G.H.); (P.E.); (A.H.)
| | - Jürgen Hörer
- Department of Congenital and Pediatric Heart Surgery, German Heart Center of Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany;
- Division of Congenital and Pediatric Heart Surgery, University Hospital, Ludwig-Maximilians-University, 81377 Munich, Germany
| | - Gabriele Hessling
- Department of Congenital Heart Defects and Pediatric Cardiology, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany; (F.v.S.); (S.P.); (J.H.); (C.F.); (G.H.); (P.E.); (A.H.)
| | - Peter Ewert
- Department of Congenital Heart Defects and Pediatric Cardiology, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany; (F.v.S.); (S.P.); (J.H.); (C.F.); (G.H.); (P.E.); (A.H.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, 80802 Munich, Germany
| | - Alfred Hager
- Department of Congenital Heart Defects and Pediatric Cardiology, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany; (F.v.S.); (S.P.); (J.H.); (C.F.); (G.H.); (P.E.); (A.H.)
| | - Cordula M. Wolf
- Department of Congenital Heart Defects and Pediatric Cardiology, German Heart Center Munich, School of Medicine & Health, Technical University of Munich, 80636 Munich, Germany; (F.v.S.); (S.P.); (J.H.); (C.F.); (G.H.); (P.E.); (A.H.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, 80802 Munich, Germany
- Correspondence:
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11
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Cardiopulmonary Exercise Testing in Repaired Tetralogy of Fallot: Multiparametric Overview and Correlation with Cardiac Magnetic Resonance and Physical Activity Level. J Cardiovasc Dev Dis 2022; 9:jcdd9010026. [PMID: 35050237 PMCID: PMC8778451 DOI: 10.3390/jcdd9010026] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 12/12/2022] Open
Abstract
Patients with repaired Tetralogy of Fallot (rToF) typically report having preserved subjective exercise tolerance. Chronic pulmonary regurgitation (PR) with varying degrees of right ventricular (RV) dilation as assessed by cardiac magnetic resonance imaging (MRI) is prevalent in rToF and may contribute to clinical compromise. Cardiopulmonary exercise testing (CPET) provides an objective assessment of functional capacity, and the International Physical Activity Questionnaire (IPAQ) can provide additional data on physical activity (PA) achieved. Our aim was to assess the association between CPET values, IPAQ measures, and MRI parameters. All rToF patients who had both an MRI and CPET performed within one year between March 2019 and June 2021 were selected. Clinical data were extracted from electronic records (including demographic, surgical history, New York Heart Association (NYHA) functional class, QRS duration, arrhythmia, MRI parameters, and CPET data). PA level, based on the IPAQ, was assessed at the time of CPET. Eighty-four patients (22.8 ± 8.4 years) showed a reduction in exercise capacity (median peak VO2 30 mL/kg/min (range 25–33); median percent predicted peak VO2 68% (range 61–78)). Peak VO2, correlated with biventricular stroke volumes (RVSV: β = 6.11 (95%CI, 2.38 to 9.85), p = 0.002; LVSV: β = 15.69 (95% CI 10.16 to 21.21), p < 0.0001) and LVEDVi (β = 8.74 (95%CI, 0.66 to 16.83), p = 0.04) on multivariate analysis adjusted for age, gender, and PA level. Other parameters which correlated with stroke volumes included oxygen uptake efficiency slope (OUES) (RVSV: β = 6.88 (95%CI, 1.93 to 11.84), p = 0.008; LVSV: β = 17.86 (95% CI 10.31 to 25.42), p < 0.0001) and peak O2 pulse (RVSV: β = 0.03 (95%CI, 0.01 to 0.05), p = 0.007; LVSV: β = 0.08 (95% CI 0.05 to 0.11), p < 0.0001). On multivariate analysis adjusted for age and gender, PA level correlated significantly with peak VO2/kg (β = 0.02, 95% CI 0.003 to 0.04; p = 0.019). We observed a reduction in objective exercise tolerance in rToF patients. Biventricular stroke volumes and LVEDVi were associated with peak VO2 irrespective of RV size. OUES and peak O2 pulse were also associated with biventricular stroke volumes. While PA level was associated with peak VO2, the incremental value of this parameter should be the focus of future studies.
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12
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Wadey CA, Weston ME, Dorobantu DM, Pieles GE, Stuart G, Barker AR, Taylor RS, Williams CA. The role of cardiopulmonary exercise testing in predicting mortality and morbidity in people with congenital heart disease: a systematic review and meta-analysis. Eur J Prev Cardiol 2021; 29:513-533. [PMID: 34405863 DOI: 10.1093/eurjpc/zwab125] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/10/2021] [Indexed: 12/16/2022]
Abstract
AIMS The role of cardiopulmonary exercise testing (CPET) in predicting major adverse cardiovascular events (MACE) in people with congenital heart disease (ConHD) is unknown. A systematic review with meta-analysis was conducted to report the associations between CPET parameters and MACE in people with ConHD. METHODS AND RESULTS Electronic databases were systematically searched on 30 April 2020 for eligible publications. Two authors independently screened publications for inclusion, extracted study data, and performed risk of bias assessment. Primary meta-analysis pooled univariate hazard ratios across studies. A total of 34 studies (18 335 participants; 26.2 ± 10.1 years; 54% ± 16% male) were pooled into a meta-analysis. More than 20 different CPET prognostic factors were reported across 6 ConHD types. Of the 34 studies included in the meta-analysis, 10 (29%), 23 (68%), and 1 (3%) were judged as a low, medium, and high risk of bias, respectively. Primary univariate meta-analysis showed consistent evidence that improved peak and submaximal CPET measures are associated with a reduce risk of MACE. This association was supported by a secondary meta-analysis of multivariate estimates and individual studies that could not be numerically pooled. CONCLUSION Various maximal and submaximal CPET measures are prognostic of MACE across a variety of ConHD diagnoses. Further well-conducted prospective multicentre cohort studies are needed to confirm these findings.
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Affiliation(s)
- Curtis A Wadey
- Children's Health & Exercise Research Centre (CHERC), College of Life and Environmental Sciences, St. Luke's Campus, University of Exeter, Heavitree Road, Exeter EX1 2LU, UK
| | - Max E Weston
- Children's Health & Exercise Research Centre (CHERC), College of Life and Environmental Sciences, St. Luke's Campus, University of Exeter, Heavitree Road, Exeter EX1 2LU, UK.,School of Human Movement and Nutrition Sciences, Human Movement Studies Building, University of Queensland, QLD 4067, Brisbane, Australia
| | - Dan Mihai Dorobantu
- Children's Health & Exercise Research Centre (CHERC), College of Life and Environmental Sciences, St. Luke's Campus, University of Exeter, Heavitree Road, Exeter EX1 2LU, UK.,School of Population Health Sciences, University of Bristol, BS8 1QU, Bristol, UK
| | - Guido E Pieles
- National Institute for Health Research (NIHR) Cardiovascular Biomedical Research Centre, Bristol Heart Institute, Terrell St, BS2 8ED, Bristol, UK.,Bristol Congenital Heart Centre, The Bristol Heart Institute, University Hospitals Bristol NHS Foundation Trust, Upper Maudlin Street, BS2 8HW, Bristol, UK.,Institute of Sport Exercise and Health (ISEH), University College London, 170 Tottenham Court Rd, W1T 7HA, London, UK
| | - Graham Stuart
- National Institute for Health Research (NIHR) Cardiovascular Biomedical Research Centre, Bristol Heart Institute, Terrell St, BS2 8ED, Bristol, UK.,Bristol Congenital Heart Centre, The Bristol Heart Institute, University Hospitals Bristol NHS Foundation Trust, Upper Maudlin Street, BS2 8HW, Bristol, UK
| | - Alan R Barker
- Children's Health & Exercise Research Centre (CHERC), College of Life and Environmental Sciences, St. Luke's Campus, University of Exeter, Heavitree Road, Exeter EX1 2LU, UK
| | - Rod S Taylor
- MRC/CSO Social and Public Health Sciences Unit & Robertson Centre for Biostatistics, Institute of Health and Well Being, University of Glasgow, 99 Berkeley Street, G3 7HR, Glasgow, UK
| | - Craig A Williams
- Children's Health & Exercise Research Centre (CHERC), College of Life and Environmental Sciences, St. Luke's Campus, University of Exeter, Heavitree Road, Exeter EX1 2LU, UK
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13
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Ta HT, Critser PJ, Alsaied T, Germann J, Powell AW, Redington AN, Tretter JT. Modified Ventricular Global Function Index Correlates With Exercise Capacity in Repaired Tetralogy of Fallot. J Am Heart Assoc 2020; 9:e016308. [PMID: 32633206 PMCID: PMC7660707 DOI: 10.1161/jaha.120.016308] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Background Cardiac MRI (CMR) derived ventricular global function index (GFI), a ratio of stroke volume to the sum of mean ventricular cavity and myocardial volumes, has demonstrated improved prediction of clinical outcomes in adults with atherosclerotic disease over ejection fraction. We sought to assess CMR derived GFI and a novel modification that accounts for unique loading conditions in patients with repaired tetralogy of Fallot (rTOF) and determine its correlation with exercise performance. Methods and Results Seventy‐five patients with rTOF who underwent CMR were identified. Clinical variables were recorded and biventricular GFI calculated. A right ventricular (RV) effective GFI (eGFI) was derived by incorporating effective stroke volume. Thirty‐five pediatric patients were matched with 29 age‐matched healthy controls. Twenty‐five patients completed cardiopulmonary exercise tests within 6 months of CMR. Stepwise regression models were used to determine univariate and multivariable predictors of indexed and percent predicted peak VO2. Median age at CMR was 20 years (interquartile range, 13–28). Pediatric rTOF patients had lower RV eGFI (P < 0.001), RV ejection fraction (P=0.002), but higher indexed RV end‐diastolic and end‐systolic volumes (P < 0.001, P < 0.001) compared with controls. Univariate analysis demonstrated a correlation between indexed peak VO2 with RV eGFI (R2=0.32, P=0.004), but with neither RVGFI, RV ejection fraction, indexed RV volumes nor RV mass. RV eGFI remained significantly associated with indexed peak VO2 during multivariable modeling. Conclusions Reduced RV eGFI was associated with reduced exercise capacity in rTOF patients, while RV GFI, RV ejection fraction, indexed RV volumes and mass were not. Our modification of the GFI, RV eGFI, may be a valuable non‐invasive marker of cardiac function in rTOF.
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Affiliation(s)
- Hieu T Ta
- Heart Institute Cincinnati Children's Hospital Medical Center Cincinnati OH
| | - Paul J Critser
- Heart Institute Cincinnati Children's Hospital Medical Center Cincinnati OH
| | - Tarek Alsaied
- Heart Institute Cincinnati Children's Hospital Medical Center Cincinnati OH.,Department of Pediatrics University of Cincinnati College of Medicine Cincinnati OH
| | - Joshua Germann
- Heart Institute Cincinnati Children's Hospital Medical Center Cincinnati OH
| | - Adam W Powell
- Heart Institute Cincinnati Children's Hospital Medical Center Cincinnati OH.,Department of Pediatrics University of Cincinnati College of Medicine Cincinnati OH
| | - Andrew N Redington
- Heart Institute Cincinnati Children's Hospital Medical Center Cincinnati OH.,Department of Pediatrics University of Cincinnati College of Medicine Cincinnati OH
| | - Justin T Tretter
- Heart Institute Cincinnati Children's Hospital Medical Center Cincinnati OH.,Department of Pediatrics University of Cincinnati College of Medicine Cincinnati OH
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14
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Akam-Venkata J, Sriram C, French M, Smith R, Aggarwal S. Does Restrictive Lung Function Affect the Exercise Capacity in Patients with Repaired Tetralogy of Fallot? Pediatr Cardiol 2019; 40:1688-1695. [PMID: 31529227 DOI: 10.1007/s00246-019-02205-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 09/04/2019] [Indexed: 12/01/2022]
Abstract
Patients with repaired Tetralogy of Fallot (rTOF) have decreased exercise capacity (XC) and restrictive lung function (RLF). Our objective was to determine the association between RLF and impaired XC in patients with rTOF. This was a single center retrospective review of patients with rTOF who underwent a cardiopulmonary treadmill exercise testing and spirometry from 2005 to 2015. Patients with a respiratory exchange ratio ≥ 1.05 and peak heart rate > 90% of predicted value were included. Forced vital capacity (FVC) and Forced expiratory volume in 1st second of forceful expiration (FEV1) were used to classify the lung function. Exercise parameters such as peak oxygen uptake (VO2), % of predicted VO2 (%VO2), Metabolic equivalents (METS), and exercise time (ET) were compared between the two groups (i) compared patients with normal lung function (normal FEV1, FVC, and FEV1/FVC > 80%) (ii) RLF (FVC < 80%, normal or increased FEV1/FVC > 80%). In our cohort (n = 151, 52% male, mean age ± SD of 22.3 ± 9.1 years), patients with RLF (n = 73) compared to those with normal lung function (n = 86) had a lower peak VO2 (30.8 ± 8.6 vs. 36.6 ± 9.8 mL/kg/min; p < 0.001) and shorter exercise time (9:23 ± 1:78 vs. 10:23 ± 1:62 min, p < 0.001). On multivariate regression analysis, RLF was independently associated with reduced XC (VO2%) (β-coefficient - 0.182, p < 0.02) after controlling for age and gender. RLF is common in patients with rTOF and is associated with decreased XC. The contribution of RLF to reduced XC in this population should be considered prior to therapeutic decisions.
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Affiliation(s)
- Jyothsna Akam-Venkata
- Division of Cardiology, Department of Pediatrics, The Carman and Ann Adams, Wayne State University School of Medicine, Children's Hospital of Michigan, 3901 Beaubien Boulevard, Detroit, MI, USA.
| | - Chenni Sriram
- Division of Cardiology, Department of Pediatrics, The Carman and Ann Adams, Wayne State University School of Medicine, Children's Hospital of Michigan, 3901 Beaubien Boulevard, Detroit, MI, USA
| | - Michelle French
- Division of Cardiology, Department of Pediatrics, The Carman and Ann Adams, Wayne State University School of Medicine, Children's Hospital of Michigan, 3901 Beaubien Boulevard, Detroit, MI, USA
| | - Roxann Smith
- Division of Cardiology, Department of Pediatrics, The Carman and Ann Adams, Wayne State University School of Medicine, Children's Hospital of Michigan, 3901 Beaubien Boulevard, Detroit, MI, USA
| | - Sanjeev Aggarwal
- Division of Cardiology, Department of Pediatrics, The Carman and Ann Adams, Wayne State University School of Medicine, Children's Hospital of Michigan, 3901 Beaubien Boulevard, Detroit, MI, USA
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15
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Buber J, Shafer K. Cardiopulmonary exercise testing and sports participation in adults with congenital heart disease. Heart 2019; 105:1670-1679. [PMID: 31273028 DOI: 10.1136/heartjnl-2018-313928] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 04/29/2019] [Accepted: 05/27/2019] [Indexed: 11/04/2022] Open
Affiliation(s)
- Jonathan Buber
- Department of Medicine, Division of Cardiology, University of Washington School of Medicine, Seattle, Washington, USA
| | - Keri Shafer
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts, USA.,Division of Cardiology, Brigham and Women's Hospital, Boston, MA, United Startes of America
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