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The Use of Stress Cardiovascular Imaging in Pediatric Population. CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10020218. [PMID: 36832347 PMCID: PMC9954485 DOI: 10.3390/children10020218] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 01/28/2023]
Abstract
Although not frequent in the pediatric population, ischemia could occur in children due to several congenital and acquired disease. Stress imaging is key for the non-invasive evaluation of myocardial abnormalities and perfusion defect in this clinical setting. Moreover, beyond ischemia assessment, it can provide complementary diagnostic and prognostic information in valvular heart disease and cardiomyopathies. When performed using cardiovascular magnetic resonance, it could detect, in addition, myocardial fibrosis and infarction, increasing the diagnostic yield. Several imaging modalities are currently available for the evaluation of stress myocardial perfusion. Advances in technologies have also increased the feasibility, safety and availability of these modalities in the pediatric age group. However, despite the established role of stress imaging and its increasing use in daily clinical practice, there are currently no specific guidelines, and little data are available in the literature on this topic. The aim of this review is to summarize the most recent evidence on pediatric stress imaging and its clinical application with a focus on the advantages and limitations of each imaging modality currently available.
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Multimodality Imaging to Detect Rejection, and Cardiac Allograft Vasculopathy in Pediatric Heart Transplant Recipients—An Illustrative Review. TRANSPLANTOLOGY 2022. [DOI: 10.3390/transplantology3030025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The three most common modalities of graft surveillance in pediatric heart transplant (HT) recipients include echocardiography, coronary angiography, and endomyocardial biopsy (EMB). The survival outcomes after HT in children have improved considerably in recent years. However, allograft rejection and cardiac allograft vasculopathy remain the leading cause of death or re-transplantation. The routine surveillance by EMB and coronary angiography are invasive and risky. Newer noninvasive echocardiographic techniques, including tissue Doppler imaging (TDI), 2-D speckle tracking echocardiography, CT coronary angiography (CTCA), cardiovascular magnetic resonance (CMR), single-photon emission computed tomography (SPECT), and positron emission tomography (PET) and invasive techniques such as intravascular ultrasound (IVUS), functional flow reserve (CFR) of coronary arteries, optical coherence tomography (OCT), have emerged as powerful tools which may help early recognition of sub-clinical rejection, response to treatment, early detection, and progression of CAV. The multimodality imaging approach, including noninvasive and invasive tests, is the future for the transplanted heart to detect dysfunction, rejections, and early CAV. This review illustrates noninvasive and invasive imaging techniques currently used or could be considered for clinical use in detecting heart transplant rejection, dysfunction, and CAV in children.
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3
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Perez MT, Rizwan R, Gauvreau K, Daly K, Deng E, Blume E, Singh TP, Chen MH. Prognostic Value of Exercise Stress Echocardiography in Pediatric Cardiac Transplant Recipients. J Am Soc Echocardiogr 2022; 35:1133-1138.e2. [PMID: 35863548 DOI: 10.1016/j.echo.2022.07.006] [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: 04/30/2021] [Revised: 05/03/2022] [Accepted: 07/07/2022] [Indexed: 10/17/2022]
Abstract
BACKGROUND Cardiac allograft vasculopathy (CAV) is a leading cause of long-term morbidity and mortality in pediatric heart transplant (HTx) recipients. Exercise stress echocardiography (ESE) has been shown to be useful in the detection of angiographically-confirmed CAD in children. However, the prognostic utility of ESE for prediction of cardiac events in HTx survivors is unknown. STUDY AIM AND HYPOTHESIS Therefore, we aim to assess if an abnormal (positive) ESE will be associated with a higher risk of future cardiovascular (CV) outcomes in pediatric HTx recipients. MATERIAL AND METHODS We conducted a retrospective review of CV outcomes of a cohort of 95 pediatric HTx recipients who underwent 188 ESE over a 10-year period. A composite endpoint for CV events including myocardial infarction, hospitalization for non-rejection heart failure, coronary revascularization, need for repeat transplantation, and death was used. Based on the interpretation of the ESE results, each ESE study was classified for this study as either positive (abnormal), or negative (normal) for ischemia. Results of the coronary angiograms performed near the time of ESE were also assessed and classified for this study as positive (abnormal) or negative (normal) for CAV according to standard HTx criteria for CAV. RESULTS 51 (27%) ESE were positive for ischemia. There was a total of 35 CV events in 23 patients. A positive ESE was associated with increased risk of any CV event [Hazard ratio [HR] 3.55, 95% CI 1.52, 8.28, and also an increased risk of CV death (HR 3.19, 95% CI 1.23, 8.28) Freedom from composite CV outcome at 1, 2, and 3 years following a positive ESE was 89.9% (CI = 77.3%, 95.7%), 81.5% (CI = 65.9%, 90.5%), and 63.2% (CI = 41.9%, 78.5%), respectively. Freedom from composite cardiovascular outcome at 1, 2, and 3 years following a negative ESE was 99.3% (94.8, 99.9), 98.4% (93.6, 99.6), and 97.0% (90.6, 99.1) respectively. No patient died within 1 year of a negative ESE. CONCLUSIONS In this largest study of ESE in pediatric HTx recipients, a positive or abnormal ESE is associated with increased future cardiovascular morbidity and mortality. Conversely, a negative ESE can help predict CV event-free survival. Even in the setting of a normal ANG, our pilot data show that an abnormal ESE may be still clinically important. Use of ESE in follow-up may improve risk stratification and management of pediatric HTx recipients.
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Affiliation(s)
- Maria T Perez
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115
| | - Raheel Rizwan
- Department of Pediatrics, Division of Genetics and Genomics, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115
| | - Kimberlee Gauvreau
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115
| | - Kevin Daly
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115
| | - Ellen Deng
- Department of Pediatrics, Division of Genetics and Genomics, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115
| | - Elizabeth Blume
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115
| | - Tajinder P Singh
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115
| | - Ming Hui Chen
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115; Department of Pediatrics, Division of Genetics and Genomics, Boston Children's Hospital, 300 Longwood Ave, Boston, MA 02115; Harvard Medical School, 25 Shattuck Street, Boston, MA 02115.
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4
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Laks JA, Dipchand AI. Cardiac allograft vasculopathy: A review. Pediatr Transplant 2022; 26:e14218. [PMID: 34985793 DOI: 10.1111/petr.14218] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 11/11/2021] [Accepted: 11/26/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Heart transplantation has become the standard of care for pediatric patients with end-stage heart disease, and outcomes have consistently improved over the last few decades. CAV, however, remains a leading cause of morbidity and mortality in heart transplantation and is the leading cause of death beyond 3 years post-transplantation. We sought out to provide an in-depth overview of CAV in the pediatric heart transplant population. METHODS Database searches were conducted in both Medline and Embase on the topic of cardiac vasculopathy in pediatric heart transplant recipients. The search used five broad concept terms: heart transplant; pediatric; CAV; diagnosis, prognosis, and risk factors; and guidelines and reviews. References were captured if there was at least one term in each of the concepts. The search was limited to articles in the English language. RESULTS A total of 148 articles were identified via the literature search with further articles identified via review of references. Pediatric data regarding the etiology and development of CAV remain limited although knowledge about the immune and non-immune factors playing a role are increasing. CAV continues to be difficult to detect with many invasive and non-invasive methods available, yet their effectiveness in the detection of CAV remains suboptimal. There remains no proven medical intervention to treat or reverse established CAV disease, and CAV is associated with high rates of graft loss once detected. However, several medications are used in hopes of preventing, slowing progression, or modifying the outcomes. CONCLUSION This review provides a comprehensive overview of CAV, discusses its clinical presentation, risk factors, diagnostic tools used to identify CAV in the pediatric population, and highlights the current therapeutic options and the need for ongoing research.
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Affiliation(s)
- Jessica A Laks
- Heart Institute, Johns Hopkins All Children's Hospital, St Petersburg, Florida, USA
| | - Anne I Dipchand
- Labatt Family Heart Centre, The Hospital for Sick Children, Toronto, Ontario, Canada
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5
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Fine NM, Greenway SC, Mulvagh SL, Huang R, Maxon SA, Hepinstall MJ, Anderson JH, Johnson JN. Feasibility of Real-Time Myocardial Contrast Echocardiography to Detect Cardiac Allograft Vasculopathy in Pediatric Heart Transplant Recipients. J Am Soc Echocardiogr 2020; 34:503-510. [PMID: 33359634 DOI: 10.1016/j.echo.2020.12.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 12/15/2020] [Accepted: 12/15/2020] [Indexed: 11/17/2022]
Abstract
BACKGROUND Cardiac allograft vasculopathy (CAV) is an important adverse prognostic factor for pediatric heart transplant (HT) recipients. Invasive coronary angiography (ICA) is the gold standard for CAV detection but lacks sensitivity for early microvascular changes and cumulative radiation exposure is of concern. Real-time myocardial contrast echocardiography (RTMCE) using ultrasound enhancing (contrast) agents performed during dobutamine stress echocardiography (DSE) can assess myocardial function, perfusion, and microvascular integrity. The objective of this study was to determine the safety and feasibility of RTMCE during DSE to detect CAV in a pediatric HT population. METHODS HT patients 10-21 years of age were recruited to undergo DSE with RTMCE to determine technical feasibility, test tolerability and adverse event rate, and detection of perfusion defects compared with ICA-detected CAV. Thirty-six patients from two centers were enrolled, with a mean age 13.5 ± 4.3 years; 21 (58%) were male. Wall motion and myocardial perfusion were qualitatively assessed and compared with ICA findings of CAV. Myocardial blood flow (MBF) at rest and peak stress was quantified, and myocardial blood flow reserve (MBFR) was defined as the ratio of peak to rest MBF. RESULTS Five (14%) patients had CAV by ICA, two with obstructive disease and three with mild CAV. Real-time myocardial contrast echocardiography was feasible in 32 (89%) patients. Three patients had wall motion defects, including one with a mixed defect and two with fixed defects. A perfusion abnormality was present in five patients, two of whom had obstructive CAV and one with mild CAV. Sensitivity and specificity of RTMCE for CAV detection were 60% and 94%, respectively, and diagnostic accuracy was 89%. MBFR assessment was feasible in 20 (63%) patients. The mean MBFR was 3.4 ± 0.7. Patients with CAV had lower MBFR than those without (2.0 ± 0.2 vs 3.7 ± 0.8; P < .01). There were no serious adverse events related to RTMCE. CONCLUSIONS Dobutamine stress RTMCE appears to be safe and feasible for the assessment of CAV in pediatric HT recipients. Further assessment is warranted to determine whether this noninvasive technique could provide a reliable alternative to ICA.
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Affiliation(s)
- Nowell M Fine
- Division of Cardiology, Departments of Cardiac Sciences and Community Health Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta.
| | - Steven C Greenway
- Section of Cardiology, Departments of Pediatrics, Cardiac Sciences, and Biochemistry and Molecular Biology, Libin Cardiovascular Institute, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta
| | - Sharon L Mulvagh
- Division of Cardiology, Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Cardiovascular Medicine, Mayo Clinic Children's Center, Mayo Clinic, Rochester, Minnesota
| | - Runqing Huang
- Department of Cardiovascular Medicine, Mayo Clinic Children's Center, Mayo Clinic, Rochester, Minnesota
| | - Shalon A Maxon
- Department of Cardiovascular Medicine, Mayo Clinic Children's Center, Mayo Clinic, Rochester, Minnesota
| | - Mary J Hepinstall
- Department of Cardiovascular Medicine, Mayo Clinic Children's Center, Mayo Clinic, Rochester, Minnesota
| | - Jason H Anderson
- Department of Cardiovascular Medicine, Mayo Clinic Children's Center, Mayo Clinic, Rochester, Minnesota; Division of Pediatric Cardiology, Mayo Clinic Children's Center, Mayo Clinic, Rochester, Minnesota
| | - Jonathan N Johnson
- Department of Cardiovascular Medicine, Mayo Clinic Children's Center, Mayo Clinic, Rochester, Minnesota; Division of Pediatric Cardiology, Mayo Clinic Children's Center, Mayo Clinic, Rochester, Minnesota
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Morhy SS, Barberato SH, Lianza AC, Soares AM, Leal GN, Rivera IR, Barberato MFA, Guerra V, Ribeiro ZVDS, Pignatelli R, Rochitte CE, Vieira MLC. Position Statement on Indications for Echocardiography in Fetal and Pediatric Cardiology and Congenital Heart Disease of the Adult - 2020. Arq Bras Cardiol 2020; 115:987-1005. [PMID: 33295472 PMCID: PMC8452202 DOI: 10.36660/abc.20201122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Affiliation(s)
| | - Silvio Henrique Barberato
- Cardioeco - Centro de Diagnóstico Cardiovascular, Curitiba, PR - Brasil
- Quanta Diagnóstico e Terapia, Curitiba, PR - Brasil
| | - Alessandro Cavalcanti Lianza
- Hospital Israelita Albert Einstein, São Paulo, SP - Brasil
- Instituto da Criança e do Adolescente do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HC-FMUSP), São Paulo, SP - Brasil
- Hospital do Coração, São Paulo, SP - Brasil
| | - Andressa Mussi Soares
- Hospital Evangélico de Cachoeiro de Itapemirim e Clínica CORImagem, Cachoeiro de Itapemirim, ES - Brasil
| | - Gabriela Nunes Leal
- Hospital Israelita Albert Einstein, São Paulo, SP - Brasil
- Instituto da Criança e do Adolescente do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (HC-FMUSP), São Paulo, SP - Brasil
- Hospital do Coração, São Paulo, SP - Brasil
- Hospital e Maternidade São Luiz Itaim, São Paulo, SP - Brasil
| | | | | | - Vitor Guerra
- The Hospital for Sick Children, Toronto - Canadá
| | | | - Ricardo Pignatelli
- Texas Children's Hospital, Baylor College of Medicine, Houston, Texas - EUA
| | - Carlos Eduardo Rochitte
- Instituto do Coração da Faculdade de Medicina da Universidade de São Paulo (InCor, FMUSP), São Paulo, SP - Brasil
| | - Marcelo Luiz Campos Vieira
- Hospital Israelita Albert Einstein, São Paulo, SP - Brasil
- Instituto do Coração da Faculdade de Medicina da Universidade de São Paulo (InCor, FMUSP), São Paulo, SP - Brasil
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7
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Habibi S, Ghaffarpasand E, Shojaei F, Alihashemi M, Kahe F, Zahedi Tajrishi F, Chi G. Prognostic Value of Biomarkers in Cardiac Allograft Vasculopathy following Heart Transplantation: A Literature Review. Cardiology 2020; 145:693-702. [PMID: 32892195 DOI: 10.1159/000509630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 06/23/2020] [Indexed: 11/19/2022]
Abstract
Cardiac allograft vasculopathy (CAV), also known as cardiac transplant vasculopathy, is a major determinant of long-term survival among cardiac transplantation recipients. Histologically, CAV is featured by diffuse, concentric thickening of the vascular wall, and primarily affects large and small epicardial coronary arteries, intramyocardial arteries, and veins. Owing to graft denervation, CAV typically follows an insidious course, and patients may not experience classic angina symptoms but instead present with progressive heart failure or ventricular arrhythmias. Recent studies on biomarkers have furthered the knowledge concerning the prediction and prognosis of CAV. Given its association with metabolic, thrombotic, inflammatory, and immunologic markers, CAV is likely to represent a complex multifactorial process that involves both immune-mediated and non-immune-mediated pathways. In order to identify the high-risk patients that would benefit from early intervention, future research is warranted to examine the usefulness of a biomarker panel in CAV risk stratification.
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Affiliation(s)
- Shaghayegh Habibi
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Eiman Ghaffarpasand
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Fahimehalsadat Shojaei
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Mahda Alihashemi
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Farima Kahe
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Gerald Chi
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA,
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8
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Pellikka PA, Arruda-Olson A, Chaudhry FA, Chen MH, Marshall JE, Porter TR, Sawada SG. Guidelines for Performance, Interpretation, and Application of Stress Echocardiography in Ischemic Heart Disease: From the American Society of Echocardiography. J Am Soc Echocardiogr 2020; 33:1-41.e8. [DOI: 10.1016/j.echo.2019.07.001] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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9
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Abstract
The assessment of pediatric patients after orthotropic heart transplantation (OHT) relies heavily on non-invasive imaging. Because of the potential risks associated with cardiac catheterization, expanding the role of non-invasive imaging is appealing. Echocardiography is fast, widely available, and can provide an accurate assessment of chamber sizes and function. Advanced echocardiographic methods, such as myocardial deformation, have potential to assess for acute rejection or cardiac allograft vasculopathy (CAV). While not currently part of routine care, cardiac magnetic resonance imaging (CMR) and computed tomography may potentially aid in the detection of graft complications following OHT. In particular, CMR tissue characterization holds promise for diagnosing rejection, while quantitative perfusion and myocardial late gadolinium enhancement may have a role in the detection of CAV. This review will evaluate standard and novel methods for non-invasive assessment of pediatric patients after OHT.
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Affiliation(s)
- Jonathan H Soslow
- Thomas P. Graham Jr. Division of Pediatric Cardiology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Margaret M Samyn
- Medical College of Wisconsin, Pediatrics (Cardiology), Herma Heart Institute, Children's Hospital of Wisconsin, Milwaukee, WI, USA
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10
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Power LC, O'Grady GL, Hornung TS, Jefferies C, Gusso S, Hofman PL. Imaging the heart to detect cardiomyopathy in Duchenne muscular dystrophy: A review. Neuromuscul Disord 2018; 28:717-730. [PMID: 30119965 DOI: 10.1016/j.nmd.2018.05.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 05/24/2018] [Accepted: 05/29/2018] [Indexed: 01/16/2023]
Abstract
Duchenne Muscular Dystrophy is the most common paediatric neuromuscular disorder. Mutations in the DMD gene on the X-chromosome result in progressive skeletal muscle weakness as the main clinical manifestation. However, cardiac muscle is also affected, with cardiomyopathy becoming an increasingly recognised cause of morbidity, and now the leading cause of mortality in this group. The diagnosis of cardiomyopathy has often been made late due to technical limitations in transthoracic echocardiograms and delayed symptomatology in less mobile patients. Increasingly, evidence supports earlier pharmacological intervention in cardiomyopathy to improve outcomes. However, the optimal timing of initiation remains uncertain, and the benefits of prophylactic therapy are unproven. Current treatment guidelines suggest initiation of therapy once cardiac dysfunction is detected. This review focuses on new and evolving techniques for earlier detection of Duchenne muscular dystrophy-associated cardiomyopathy. Transthoracic echocardiography or cardiac magnetic resonance imaging performed under physiological stress (dobutamine or exercise), can unmask early cardiac dysfunction. Cardiac magnetic resonance imaging can define cardiac function with greater accuracy and reliability than an echocardiogram, and is not limited by body habitus. Improved imaging techniques, used in a timely fashion, offer the potential for early detection of cardiomyopathy and improved long-term outcomes.
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Affiliation(s)
- Lisa C Power
- Paediatric Neurology Department, Starship Children's Hospital, Auckland, New Zealand; Paediatric Endocrinology Department, Starship Children's Hospital, Auckland, New Zealand; Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Gina L O'Grady
- Paediatric Neurology Department, Starship Children's Hospital, Auckland, New Zealand.
| | - Tim S Hornung
- Paediatric Cardiology Department, Starship Children's Hospital, Auckland, New Zealand
| | - Craig Jefferies
- Paediatric Endocrinology Department, Starship Children's Hospital, Auckland, New Zealand
| | - Silmara Gusso
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Paul L Hofman
- Paediatric Endocrinology Department, Starship Children's Hospital, Auckland, New Zealand; Liggins Institute, University of Auckland, Auckland, New Zealand
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11
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Saling LJ, Raptis DA, Parekh K, Rockefeller TA, Sheybani EF, Bhalla S. Abnormalities of the Coronary Arteries in Children: Looking beyond the Origins. Radiographics 2017; 37:1665-1678. [PMID: 29019754 DOI: 10.1148/rg.2017170018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Coronary arterial abnormalities are uncommon findings in children that have profound clinical implications. Although anomalies of the coronary origins are well described, there are many other disease processes that affect the coronary arteries. Immune system-mediated diseases (eg, Kawasaki disease, polyarteritis nodosa, and other vasculiditides) can result in coronary arterial aneurysms, strictures, and abnormal tapering of the vessels. Because findings at imaging are an important component of diagnosis in these diseases, the radiologist's understanding of them is essential. Congenital anomalies may present at varying ages, and findings in hemodynamically significant anomalies, such as fistulas, are key for both diagnosis and preoperative planning. Pediatric heart surgery can result in wide-ranging postoperative imaging appearances of the coronary arteries and also predisposes patients to a multitude of complications affecting the heart and coronary arteries. In addition, although rare, accidental trauma can lead to injury of the coronary arteries, and awareness and detection of these conditions are important for diagnosis in the acute setting. Patients with coronary arterial conditions at presentation may range from being asymptomatic to having findings of myocardial infarction. Recognition of the imaging findings is essential to direct appropriate treatment. ©RSNA, 2017.
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Affiliation(s)
- Lauren J Saling
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, Campus Box 8131, St Louis, MO 63110 (L.J.S., D.A.R., S.B.); Department of Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, Ill (K.P.); Department of Cardiology, St Louis Children's Hospital, St Louis, Mo (T.A.R.); and Department of Radiology, Mercy Hospital, St Louis, Mo (E.F.S.)
| | - Demetrios A Raptis
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, Campus Box 8131, St Louis, MO 63110 (L.J.S., D.A.R., S.B.); Department of Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, Ill (K.P.); Department of Cardiology, St Louis Children's Hospital, St Louis, Mo (T.A.R.); and Department of Radiology, Mercy Hospital, St Louis, Mo (E.F.S.)
| | - Keyur Parekh
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, Campus Box 8131, St Louis, MO 63110 (L.J.S., D.A.R., S.B.); Department of Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, Ill (K.P.); Department of Cardiology, St Louis Children's Hospital, St Louis, Mo (T.A.R.); and Department of Radiology, Mercy Hospital, St Louis, Mo (E.F.S.)
| | - Toby A Rockefeller
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, Campus Box 8131, St Louis, MO 63110 (L.J.S., D.A.R., S.B.); Department of Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, Ill (K.P.); Department of Cardiology, St Louis Children's Hospital, St Louis, Mo (T.A.R.); and Department of Radiology, Mercy Hospital, St Louis, Mo (E.F.S.)
| | - Elizabeth F Sheybani
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, Campus Box 8131, St Louis, MO 63110 (L.J.S., D.A.R., S.B.); Department of Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, Ill (K.P.); Department of Cardiology, St Louis Children's Hospital, St Louis, Mo (T.A.R.); and Department of Radiology, Mercy Hospital, St Louis, Mo (E.F.S.)
| | - Sanjeev Bhalla
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, Campus Box 8131, St Louis, MO 63110 (L.J.S., D.A.R., S.B.); Department of Diagnostic Radiology and Nuclear Medicine, Rush University Medical Center, Chicago, Ill (K.P.); Department of Cardiology, St Louis Children's Hospital, St Louis, Mo (T.A.R.); and Department of Radiology, Mercy Hospital, St Louis, Mo (E.F.S.)
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12
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Kindel SJ, Hsu HH, Hussain T, Johnson JN, McMahon CJ, Kutty S. Multimodality Noninvasive Imaging in the Monitoring of Pediatric Heart Transplantation. J Am Soc Echocardiogr 2017; 30:859-870. [DOI: 10.1016/j.echo.2017.06.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Indexed: 01/09/2023]
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13
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García-Canales A, Peña-Juárez RA, Sandoval-Franco LDM. [Vasopressors and inotropes: use in paediatrics]. ARCHIVOS DE CARDIOLOGIA DE MEXICO 2017; 88:39-50. [PMID: 28336302 DOI: 10.1016/j.acmx.2017.02.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 02/14/2017] [Accepted: 02/15/2017] [Indexed: 11/16/2022] Open
Abstract
The cardiovascular system is a dynamic system, which is required to ensure adequate delivery of oxygen, nutrients, and hormones to the tissues that are necessary for cell metabolism. It also synthesises and modifies the vasoactive components that regulate vascular tone and myocardial function. These vasoactive components have demonstrated their beneficial effects in the management of paediatric patients in a critical condition with heart failure and shock. However, their use and abuse brings harmful effects, increases mortality, and is associated with arrhythmias. An increase in myocardial oxygen consumption favours the presence of ischaemia, therefore it is necessary to know the mechanism of action and indications of these drugs to minimise their harmful effects. The purpose of this review is to describe the pharmacology and clinical applications of inotropic and vasopressor agents in the paediatric patient in acritical condition.
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Affiliation(s)
- Adrián García-Canales
- Departamento de Terapia Intensiva Pediátrica, Hospital Regional Valentín Gómez Farías, ISSSTE, Zapopan, Jalisco, México.
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14
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Friedberg MK. Echocardiographic Detection of Heart Transplant Graft Dysfunction. Circ Cardiovasc Imaging 2016; 9:CIRCIMAGING.116.005439. [DOI: 10.1161/circimaging.116.005439] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Mark K. Friedberg
- From the Department of Pediatrics, Division of Cardiology, The Labatt Family Heart Center, Hospital for Sick Children, and the University of Toronto, Ontario, Canada
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Stress echocardiography in paediatrics: implications for the evaluation of anomalous aortic origin of the coronary arteries. Cardiol Young 2015; 25:1524-30. [PMID: 26675599 DOI: 10.1017/s1047951115002012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Stress echocardiography in paediatrics is used to evaluate pre- and post-operative coronary artery conditions, as well as to gain haemodynamic information for a variety of diagnoses, although evidence regarding sensitivity, specificity, and predictive value is lacking. This review will consider the available literature with a focus on anomalous aortic origin of the coronary arteries and discuss a practical approach to test selection and use.
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Cifra B, Dragulescu A, Border WL, Mertens L. Stress echocardiography in paediatric cardiology. Eur Heart J Cardiovasc Imaging 2015; 16:1051-9. [DOI: 10.1093/ehjci/jev159] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 05/25/2015] [Indexed: 01/08/2023] Open
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Semi-supine exercise stress echocardiography in children and adolescents: feasibility and safety. Pediatr Cardiol 2015; 36:633-9. [PMID: 25410823 PMCID: PMC4335126 DOI: 10.1007/s00246-014-1058-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 10/31/2014] [Indexed: 11/28/2022]
Abstract
Although exercise stress echocardiography (ESE) is a well-validated technique in adult population, its use in children is quite limited. We aimed to assess the feasibility, the safety and the reproducibility of ESE, using on-line scanning in semi-supine cyclo-ergometer protocol in a large pediatric population. Between July 2008 and January 2013, 42 patients (mean age 14 ± 3) were evaluated with a bicycle ESE performing 50 studies. ESE was successfully performed and well tolerated by all patients. None of the patients presented with adverse effects of stress-induced ischemia. HR was 82 ± 13 at rest, and 153 ± 19.1 during peak exercise. Among 544 views analyzed for grading of image quality, the visualization was optimal in 473 (87 %), suboptimal in 39, and inadequate in 32 (6 %). 37 tests were performed in patients with congenital or acquired coronary abnormality. Regional wall motion abnormalities (RWMA) were revealed in nine cases (24 %). The agreement between the two different observers showed a K index of 0.7276 (95 % CI 0.6497-0.8055) for the image quality and a K index of 0.5125 (95 % CI 0.4782-0.5468) for the RWMA analysis. Among ten patients with hypertrophic cardiomyopathy, we were able to demonstrate the new comparison of significant left ventricular outflow tract gradient (≥30 mmHg) during exercise in three patients (30 %). Bicycle stress echocardiography performed by on-line scanning during exercise is a feasible, safe, and reproducible modality in children. Further data to assess its diagnostic accuracy are, however, needed. Stress echocardiography provides a dynamic assessment of the myocardial structure and function under conditions of physiologic or pharmacologic stress.
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Dedieu N, Greil G, Wong J, Fenton M, Burch M, Hussain T. Diagnosis and management of coronary allograft vasculopathy in children and adolescents. World J Transplant 2014; 4:276-293. [PMID: 25540736 PMCID: PMC4274597 DOI: 10.5500/wjt.v4.i4.276] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Revised: 08/12/2014] [Accepted: 09/17/2014] [Indexed: 02/05/2023] Open
Abstract
Coronary allograft vasculopathy remains one of the leading causes of death beyond the first year post transplant. As a result of denervation following transplantation, patients lack ischaemic symptoms and presentation is often late when the graft is already compromised. Current diagnostic tools are rather invasive, or in case of angiography, significantly lack sensitivity. Therefore a non-invasive tool that could allow early diagnosis would be invaluable.This paper review the disease form its different diagnosis techniques,including new and less invasive diagnostic tools to its pharmacological management and possible treatments.
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Hussain T, Fenton M, Peel SA, Wiethoff AJ, Taylor A, Muthurangu V, Razavi R, Botnar RM, Burch M, Greil GF. Detection and grading of coronary allograft vasculopathy in children with contrast-enhanced magnetic resonance imaging of the coronary vessel wall. Circ Cardiovasc Imaging 2012; 6:91-8. [PMID: 23223637 DOI: 10.1161/circimaging.112.975797] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Coronary allograft vasculopathy is the leading cause of late death after heart transplantation in children. It is poorly detected by conventional angiography. Intravascular ultrasound is invasive and costly. This study shows that magnetic resonance imaging (MRI) late gadolinium enhancement (LGE) of the coronary vessel wall can detect and grade coronary allograft vasculopathy. METHODS AND RESULTS Twenty-four children (10 male; age range, 9-17 years) underwent coronary angiography, intravascular ultrasound, and MRI. Maximal intimal thickness and mean intimal index were recorded. MRI included coronary magnetic resonance angiogram and LGE vessel wall imaging with 1.5 T (n=12) and 3.0 T (n=12). Ten healthy control subjects also underwent LGE MRI. Mean time posttransplantation was 5.5 years (range, 0.25-14 years). Seven patients had Stanford grade IV coronary allograft vasculopathy on intravascular ultrasound, 3 of whom had angiographic disease. Maximal intimal thickness and mean intimal index were 0.73±0.50 mm and 20.9±10.6%, respectively. On MRI, mean diameter of enhancement of vessel wall was 6.57±4.91 mm, and mean enhancement index (indexed to vessel lumen size) was 1.10±1.72. The control group showed little or no LGE. Correlation of LGE with maximal intimal thickness using the Pearson coefficient was 0.80 (P<0.001) and with mean intimal index was 0.92 (P<0.001). An MRI diameter >7.5 mm gave 86% sensitivity and 93% specificity. CONCLUSIONS LGE scores correlate well with traditional intravascular ultrasound measures. These promising early results encourage larger-scale clinical studies to investigate whether LGE MRI will allow closer follow-up and better prevention of coronary allograft vasculopathy in children.
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Jeewa A, Dreyer WJ, Kearney DL, Denfield SW. The Presentation and Diagnosis of Coronary Allograft Vasculopathy in Pediatric Heart Transplant Recipients. CONGENIT HEART DIS 2012; 7:302-11. [DOI: 10.1111/j.1747-0803.2012.00656.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Utility of exercise stress echocardiography in pediatric cardiac transplant recipients: a single-center experience. J Heart Lung Transplant 2012; 31:517-23. [PMID: 22301421 DOI: 10.1016/j.healun.2011.12.014] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2011] [Revised: 11/18/2011] [Accepted: 12/14/2011] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Annual coronary angiography (ANG) to assess for significant epicardial coronary artery disease (CAD) is an integral part of follow-up care for pediatric cardiac transplant recipients at Children's Hospital Boston. Exercise stress echocardiography (ESE) is an important, non-invasive tool for the detection of ischemia in adults but has been rarely used in children. Therefore, the aim of this study was to assess the feasibility and utility of ESE in excluding ANG-detected epicardial CAD at our center, where ESE has been implemented since 2007. METHODS We conducted a retrospective review of all pediatric cardiac transplant recipients at our institution who had undergone ESE and ANG between January 2007 and December 2010, and with testing performed < 12 months apart. ESE results were compared against ANG. RESULTS The study cohort comprised 47 cardiac transplant recipients. One patient's ESE images were inadequate for interpretation. Of the remaining 46 patients, ESE had a sensitivity of 88.9% (95% confidence limits [CL], 51.8%, 99.7%), a specificity of 91.9% (95% CL, 71.8%, 98.3%), and a negative predictive value of 97% (95% CL, 85.1%, 99.1%) for the ANG-detected CAD. CONCLUSIONS This large, single-center study showed ESE was feasible and had a high specificity and excellent negative predictive value in excluding epicardial CAD in pediatric cardiac transplant recipients. Future prospective, large-scale studies are needed to confirm these findings and help identify a subset of children for whom a negative ESE could decrease the frequency of routine ANG.
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Carotid Intima Media Thickness and Cardiac Allograft Vasculopathy After Heart Transplantation in Childhood. Transplantation 2011; 91:e46-7. [DOI: 10.1097/tp.0b013e31820ae4de] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Aiyagari R, Nika M, Gurney JG, Donohue JE, Zamberlan MC, King K, Crowley DC, Gajarski RJ. Association of Pediatric Heart Transplant Coronary Vasculopathy with Abnormal Hemodynamic Measures. CONGENIT HEART DIS 2011; 6:128-33. [DOI: 10.1111/j.1747-0803.2010.00470.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Costanzo MR, Dipchand A, Starling R, Anderson A, Chan M, Desai S, Fedson S, Fisher P, Gonzales-Stawinski G, Martinelli L, McGiffin D, Smith J, Taylor D, Meiser B, Webber S, Baran D, Carboni M, Dengler T, Feldman D, Frigerio M, Kfoury A, Kim D, Kobashigawa J, Shullo M, Stehlik J, Teuteberg J, Uber P, Zuckermann A, Hunt S, Burch M, Bhat G, Canter C, Chinnock R, Crespo-Leiro M, Delgado R, Dobbels F, Grady K, Kao W, Lamour J, Parry G, Patel J, Pini D, Towbin J, Wolfel G, Delgado D, Eisen H, Goldberg L, Hosenpud J, Johnson M, Keogh A, Lewis C, O'Connell J, Rogers J, Ross H, Russell S, Vanhaecke J, Russell S, Vanhaecke J. The International Society of Heart and Lung Transplantation Guidelines for the care of heart transplant recipients. J Heart Lung Transplant 2010; 29:914-56. [PMID: 20643330 DOI: 10.1016/j.healun.2010.05.034] [Citation(s) in RCA: 1147] [Impact Index Per Article: 81.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2010] [Accepted: 05/31/2010] [Indexed: 12/26/2022] Open
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Mehra MR, Crespo-Leiro MG, Dipchand A, Ensminger SM, Hiemann NE, Kobashigawa JA, Madsen J, Parameshwar J, Starling RC, Uber PA. International Society for Heart and Lung Transplantation working formulation of a standardized nomenclature for cardiac allograft vasculopathy-2010. J Heart Lung Transplant 2010; 29:717-27. [PMID: 20620917 DOI: 10.1016/j.healun.2010.05.017] [Citation(s) in RCA: 625] [Impact Index Per Article: 44.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2010] [Accepted: 05/22/2010] [Indexed: 01/14/2023] Open
Abstract
The development of cardiac allograft vasculopathy remains the Achilles heel of cardiac transplantation. Unfortunately, the definitions of cardiac allograft vasculopathy are diverse, and there are no uniform international standards for the nomenclature of this entity. This consensus document, commissioned by the International Society of Heart and Lung Transplantation Board, is based on best evidence and clinical consensus derived from critical analysis of available information pertaining to angiography, intravascular ultrasound imaging, microvascular function, cardiac allograft histology, circulating immune markers, non-invasive imaging tests, and gene-based and protein-based biomarkers. This document represents a working formulation for an international nomenclature of cardiac allograft vasculopathy, similar to the development of the system for adjudication of cardiac allograft rejection by histology.
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Affiliation(s)
- Mandeep R Mehra
- ISHLT Working Group on Classification of Cardiac Allograft Vasculopathy commissioned by the Education Committee and Board of Directors of the Society.
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