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Chinawa JM, Ossai EN, Chinawa AT, Onyia JT, Chime PU, Onyia OA, Aronu AE. Echocardiographic Comparison of Left Ventricular Systolic Function and Aortic Blood Flow Velocimetry in Children with Ventricular Septal Defect. Niger J Clin Pract 2024; 27:202-208. [PMID: 38409148 DOI: 10.4103/njcp.njcp_560_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 12/27/2023] [Indexed: 02/28/2024]
Abstract
BACKGROUND The assessments of left ventricular (LV) longitudinal systolic dynamics in children with ventricular septal defect (VSD) have achieved a major milestone in the evaluation of LV systolic function. OBJECTIVES This study aims to evaluate the LV function, LV mass (LVM), and the descending aorta blood flow in children with VSD compared to that obtained in age and sex-matched controls. RESULTS The mean LVM of the control, 113.5 ± 123.9 was higher than that of those who had VSD, 75.8 ± 83.9, and the difference in mean was found to be statistically significant (Mann-Whitney U = 2.322, P = 0.022). The mean EF of the control, 67.9 ± 10.3 was comparable to that of those with VSD, 65.6 ± 13.9, (Student's t = 1.223, P = 0.223). Similarly, the mean descending aorta blood flow of control, 1.6 ± 2.2 was comparable to that of those with VSD, 3.9 ± 16.1, (Mann-Whitney U = 1.002, P = 0.321). There was a very weak positive correlation between LVM and descending aorta blood flow among the subjects (n = 85, r = 0.117, P = 0.425). There was a very weak negative correlation between LVM and descending aorta blood flow among control. (n = 85, r = -0.065, P = 0.609). CONCLUSION The LVM among children with VSD is lower than controls but there is no difference between LV function in subjects and controls. There is a linear increase of LVM with descending aorta blood flow.
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Affiliation(s)
- J M Chinawa
- Department of Paediatrics, College of Medicine, University of Nigeria Ituku/Ozalla and University of Nigeria Teaching Hospital Ituku, Ozalla Enugu State, Nigeria
| | - E N Ossai
- Department of Community Medicine, Ebonyi State University Abakiliki, Parklane Enugu, Nigeria
| | - A T Chinawa
- Department of Community Medicine, ESUCOM, Parklane Enugu, Nigeria
| | - J T Onyia
- Department of Paediatrics, College of Medicine, University of Nigeria Ituku/Ozalla and University of Nigeria Teaching Hospital Ituku, Ozalla Enugu State, Nigeria
| | - P U Chime
- Department of Paediatrics, College of Medicine, University of Nigeria Ituku/Ozalla and University of Nigeria Teaching Hospital Ituku, Ozalla Enugu State, Nigeria
| | - O A Onyia
- Department of Radiology, University of Nigeria Teaching Hospital, Itulku-Ozalla, Nigeria
| | - A E Aronu
- Department of Paediatrics, College of Medicine, University of Nigeria Ituku/Ozalla and University of Nigeria Teaching Hospital Ituku, Ozalla Enugu State, Nigeria
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Solórzano Vázquez MA, Medina Torres OS, Tiscareño Villanueva AD, Villar Valencia CA. Primary percutaneous closure of a traumatic ventricular septal defect after stab wound to the chest: a case report. Eur Heart J Case Rep 2023; 7:ytad314. [PMID: 37501714 PMCID: PMC10369206 DOI: 10.1093/ehjcr/ytad314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/19/2023] [Accepted: 07/10/2023] [Indexed: 07/29/2023]
Abstract
Background Traumatic ventricular septal defects (VSDs) are life-threatening complications of blunt or stab chest trauma. The standard of care is surgical closure or secondary percutaneous closure due to high surgical risk because of recent sternotomy. Case summary We present a 22-year-old male with an ice pick-related VSD. It was successfully closed by primary percutaneous approach. After 6 months, the echo Doppler shows no residual shunt, normal pulmonary artery pressure, and normal biventricular function. Discussion To our knowledge, this is one of the first primary percutaneous closures for knife-related VSD. Early diagnosis and treatment can prevent heart failure and long-term complications. Less necrotic tissue surrounding the VSD compared with post-infarction (PI) VSD allows for early and secure treatment. Percutaneous closure is a feasible and effective choice even in patients who had no prior sternotomy or who reject surgery as a primary treatment strategy.
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Affiliation(s)
| | - Oscar Samuel Medina Torres
- Interventional Cardiology Department, Mexican Social Security Institute Bajío Center UMAE T1, Blvd Adolfo López Mateos SN Colonia, los Paraisos, 37328 León Guanajuato, México
| | - Ashby Daniel Tiscareño Villanueva
- Interventional Cardiology Department, Mexican Social Security Institute Bajío Center UMAE T1, Blvd Adolfo López Mateos SN Colonia, los Paraisos, 37328 León Guanajuato, México
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Sun F, Sun A, Chen Y, Xiao Y, Zhang X, Qiao W, Tan X, Liang Y, Li D, Yang S, Ren W. Novel TrueVue series of 3D echocardiography: Revealing the pathological morphology of congenital heart disease. Front Physiol 2022; 13:1000007. [PMID: 36148295 PMCID: PMC9485809 DOI: 10.3389/fphys.2022.1000007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 08/16/2022] [Indexed: 11/13/2022] Open
Abstract
Aims: This study explored the advantages and limitations of novel series of three-dimensional (3D) echocardiographic techniques and summarized their application methods for congenital heart diseases (CHDs). Method and result: Two-dimensional (2D), traditional 3D echocardiography, and TrueVue plus light and/or Glass novel 3D technologies were performed on 62 patients with CHD, and a clinical survey was designed to judge whether the novel 3D images were more helpful for understanding the cardiac condition and guide treatment than traditional 3D images. TrueVue increased the visual resolution and simulated the true texture of cardiac tissue, significantly improving the display ability of abnormal anatomical structures in CHDs. TrueVue Glass displayed the blood channel and the internal structure of cardiac cavity more intuitively, indicating a new observation aspect not shown by conventional echocardiography. The clinical survey results showed that the new 3D imaging methods effectively increased the diagnostic confidence of echocardiographers, enabled surgeons to better understand the details of lesions, promoted efficient communication, and improved the confidence of both doctors and patients in treatment. Conclusion: The combined application of TrueVue, TrueVue Light, and TrueVue Glass more closely simulated real anatomical features, showed more comprehensive and subtle blood flow in the lumen, not only increased the visual effect but also provided more useful diagnostic information, improved the accuracy of evaluation and treatment of CHD when compared to traditional imaging techniques, indicating that this combined application has significant clinical value.
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Affiliation(s)
- Feifei Sun
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Aijiao Sun
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yixin Chen
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yangjie Xiao
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xintong Zhang
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Wei Qiao
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xueying Tan
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yanxiao Liang
- Department of Cardiac Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Dongyu Li
- Department of Cardiac Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shu Yang
- Department of Ultrasound, Philips Medical Technology, Shenyang, China
| | - Weidong Ren
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
- *Correspondence: Weidong Ren,
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Karadas U, Saylam GS, Yilmaz N, Kir M, Kizilca Ö, Demircan T, Ugurlu B, Ünal N, Demir A. Assessment of ventricular septal defects by real-time three-dimensional echocardiography and comparison with surgical measurements. PROGRESS IN PEDIATRIC CARDIOLOGY 2022. [DOI: 10.1016/j.ppedcard.2022.101546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Pillai MN, Suneel PR, Menon S, Unnikrishnan KP, Baruah SD, Mathew T, Lovhale SP, Dharan BS. Intraoperative Three-dimensional Imaging of Ventricular Septal Defects in Children Using Epicardial Echocardiography: A Novel Approach. J Cardiothorac Vasc Anesth 2021; 35:2892-2899. [DOI: 10.1053/j.jvca.2020.10.051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/23/2020] [Accepted: 10/25/2020] [Indexed: 11/11/2022]
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Budts W, Miller O, Babu-Narayan SV, Li W, Valsangiacomo Buechel E, Frigiola A, van den Bosch A, Bonello B, Mertens L, Hussain T, Parish V, Habib G, Edvardsen T, Geva T, Roos-Hesselink JW, Hanseus K, Dos Subira L, Baumgartner H, Gatzoulis M, Di Salvo G. Imaging the adult with simple shunt lesions: position paper from the EACVI and the ESC WG on ACHD. Endorsed by AEPC (Association for European Paediatric and Congenital Cardiology). Eur Heart J Cardiovasc Imaging 2021; 22:e58-e70. [PMID: 33338215 DOI: 10.1093/ehjci/jeaa314] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 11/03/2020] [Indexed: 01/08/2023] Open
Abstract
In 2018, the position paper 'Imaging the adult with congenital heart disease: a multimodality imaging approach' was published. The paper highlights, in the first part, the different imaging modalities applied in adult congenital heart disease patients. In the second part, these modalities are discussed more detailed for moderate to complex anatomical defects. Because of the length of the paper, simple lesions were not touched on. However, imaging modalities to use for simple shunt lesions are still poorly known. One is looking for structured recommendations on which they can rely when dealing with an (undiscovered) shunt lesion. This information is lacking for the initial diagnostic process, during repair and at follow-up. Therefore, this paper will focus on atrial septal defect, ventricular septal defect, and persistent arterial duct. Pre-, intra-, and post-procedural imaging techniques will be systematically discussed. This position paper will offer algorithms that might help at a glance. The document is prepared for general cardiologists, trainees, medical students, imagers/technicians to select the most appropriate imaging modality and to detect the requested information for each specific lesion. It might serve as reference to which researchers could refer when setting up a (imaging) study.
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Affiliation(s)
- Werner Budts
- Department Cardiovascular Sciences (KU Leuven), Congenital and Structural Cardiology (CSC UZ Leuven), Herestraat 49, B-3000 Leuven, Belgium
| | - Owen Miller
- Department of Congenital Heart Disease, Evelina London Children's Hospital, Guy's and St. Thomas' NHS Foundation Trust, London, UK
| | - Sonya V Babu-Narayan
- Department of Adult Congenital Heart Disease, National Heart and Lung Institute, Imperial College London, Royal Brompton Hospital, London, UK
| | - Wei Li
- Department of Adult Congenital Heart Disease, National Heart and Lung Institute, Imperial College London, Royal Brompton Hospital, London, UK
| | | | - Alessandra Frigiola
- Department of Adult Congenital Heart Disease, Guy's and St Thomas' Hospital and School of Biomedical Engineering and Imaging Sciences, Kings College, London, UK
| | | | - Beatrice Bonello
- Department of Pediatric Cardiology, Great Ormond Street Hospital, London, UK
| | - Luc Mertens
- Division of Cardiology, Labatt Family Heart Centre, Hospital for Sick Children and University of Toronto, SickKids, Ontario, Canada
| | - Tarique Hussain
- Department of Paediatrics, University of Texas, Southwestern Medical Center, Dallas, TX, USA
| | - Victoria Parish
- Sussex Cardiac Centre, Brighton and Sussex University Hospitals, Brighton, UK
| | - Gilbert Habib
- Cardiology Department, APHM, La Timone Hospital, Boulevard Jean Moulin, Marseille, France
| | - Thor Edvardsen
- Department of Cardiology, Oslo University Hospital, Rikshospitalet, University of Oslo, Oslo, Norway
| | - Tal Geva
- Department of Cardiology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | | | | | - Laura Dos Subira
- Department of Cardiology, Hospital Universitari Vall d'Hebron, Barcelona, Spain
| | - Helmut Baumgartner
- Department of Cardiology III-Adult Congenital and Valvular Heart Disease, University Hospital Muenster, Cardiology, Muenster, Germany
| | - Michael Gatzoulis
- Department of Adult Congenital Heart Disease, National Heart and Lung Institute, Imperial College London, Royal Brompton Hospital, London, UK
| | - Giovanni Di Salvo
- Department of Adult Congenital Heart Disease, National Heart and Lung Institute, Imperial College London, Royal Brompton Hospital, London, UK
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Sawalha-Turpin D, Douglas K, Dorotan-Guevara MM. Echocardiographic assessment of ventricular septal defects. PROGRESS IN PEDIATRIC CARDIOLOGY 2020. [DOI: 10.1016/j.ppedcard.2020.101275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Transesophageal echocardiography in the pediatric interventional cardiac catheterization laboratory. PROGRESS IN PEDIATRIC CARDIOLOGY 2020. [DOI: 10.1016/j.ppedcard.2020.101266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Transthoracic closure of ventricular septal defects guided by transesophageal echocardiography. TURK GOGUS KALP DAMAR CERRAHISI DERGISI-TURKISH JOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY 2020; 28:250-256. [PMID: 32551154 DOI: 10.5606/tgkdc.dergisi.2020.18745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 02/07/2019] [Indexed: 11/21/2022]
Abstract
Background This study aims to investigate the effectiveness and safety of transthoracic closure of ventricular septal defects totally guided by transesophageal echocardiography. Methods A total of 119 patients (62 males, 57 females; mean age 2.1±5.2 years; range, 11 months to 50 years) who underwent transthoracic closure of ventricular septal defects in our center between April 2017 and November 2018 were included. All patients were evaluated in terms of the diameter and morphological features of ventricular septal defects via transesophageal echocardiography. During the procedure, transthoracic echocardiography was used as the only guiding tool for occluder implantation. Results Of the patients, 116 underwent successful transthoracic device closure procedure. Two patients were switched to surgical repair due to new-onset aortic regurgitation in one patient and severe arrhythmias after device release in the other patient. One patient underwent a second operation for occluder migration during the hospital stay. In the first attempt, 106 ventricular septal defect occluders were correctly positioned. Transthoracic echocardiography revealed the insecure position or significant residual shunting in 10 patients. The original device was replaced with an asymmetric device or a more extensive occluder, and satisfactory results were finally obtained. No complications such as new-onset aortic regurgitation, residual shunt, complete heart block, or device dislodgement occurred during follow-up. Conclusion Transthoracic closure of ventricular septal defects under the total guidance of transthoracic echocardiography is a safe and effective method.
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Karagodin I, Kebed K, Singh A, Addetia K, Shah AP, Lang RM. Stabbed Through The Heart: An Unusual VSD Presentation. JACC Case Rep 2020; 2:559-564. [PMID: 32467927 PMCID: PMC7255421 DOI: 10.1016/j.jaccas.2019.12.048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Traumatic ventricular septal defects due to penetrating cardiac injury are uncommon. Transthoracic echocardiography is an essential tool in diagnosis. Options for closure include either surgical or percutaneous repair. We present a case of a trauma-related ventricular septal defect in a young patient that was successfully repaired by using a percutaneous approach. (Level of difficulty: Intermediate.).
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Affiliation(s)
- Ilya Karagodin
- Address for correspondence: Dr. Ilya Karagodin, University of Chicago Medical Center, 5758 South Maryland Avenue, MC 9067, Chicago, Illinois 60637. ilya_tweets
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Puchalski MD, Lui GK, Miller-Hance WC, Brook MM, Young LT, Bhat A, Roberson DA, Mercer-Rosa L, Miller OI, Parra DA, Burch T, Carron HD, Wong PC. Guidelines for Performing a Comprehensive Transesophageal Echocardiographic. J Am Soc Echocardiogr 2019; 32:173-215. [DOI: 10.1016/j.echo.2018.08.016] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Deri A, English K. EDUCATIONAL SERIES IN CONGENITAL HEART DISEASE: Echocardiographic assessment of left to right shunts: atrial septal defect, ventricular septal defect, atrioventricular septal defect, patent arterial duct. Echo Res Pract 2018; 5:R1-R16. [PMID: 29432197 PMCID: PMC5840804 DOI: 10.1530/erp-17-0062] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Accepted: 02/05/2018] [Indexed: 12/22/2022] Open
Abstract
This review article will guide the reader through the basics of echocardiographic assessment of congenital left to right shunts in both paediatric and adult age groups. After reading this article, the reader will understand the pathology and clinical presentation of atrial septal defects (ASDs), ventricular septal defects (VSDs), atrioventricular septal defects (AVSDs) and patent arterial duct. Echocardiography is the mainstay in diagnosis and follow-up assessment of patients with congenital heart disease. This article will therefore describe the echocardiographic appearances of each lesion, and point the reader towards specific features to look for echocardiographically.
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Affiliation(s)
- Antigoni Deri
- Yorkshire Heart Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Kate English
- Yorkshire Heart Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
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Tracy E, Zhu M, Streiff C, Sahn DJ, Ashraf M. Quantification of the area and shunt volume of multiple, circular, and noncircular ventricular septal defects: A 2D/3D echocardiography comparison and real time 3D color Doppler feasibility determination study. Echocardiography 2017; 35:90-99. [PMID: 29082558 DOI: 10.1111/echo.13742] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Quantification of defect size and shunt flow is an important aspect of ventricular septal defect (VSD) evaluation. This study compared three-dimensional echocardiography (3DE) with the current clinical standard two-dimensional echocardiography (2DE) for quantifying defect area and tested the feasibility of real time 3D color Doppler echocardiography (RT3D-CDE) for quantifying shunt volume of irregular shaped and multiple VSDs. METHODS Latex balloons were sutured into the ventricles of 32 freshly harvested porcine hearts and were connected with tubing placed in septal perforations. Tubing was varied in area (0.13-5.22 cm²), number (1-3), and shape (circle, oval, crescent, triangle). A pulsatile pump was used to pump "blood" through the VSD (LV to RV) at stroke volumes of 30-70 mL with a stroke rate of 60 bpm. Two-dimensional echocardiography (2DE), 3DE, and RT3D-CDE images were acquired from the right side of the phantom. RESULTS For circular VSDs, both 2DE and 3DE area measurements were consistent with the actual areas (R² = 0.98 vs 0.99). For noncircular/multiple VSDs, 3DE correlated with the actual area more closely than 2DE (R² = 0.99 vs 0.44). Shunt volumes obtained using RT3D-CDE positively correlated with pumped stroke volumes (R² = 0.96). CONCLUSIONS Three-dimensional echocardiography (3DE) is a feasible method for determining VSD area and is more accurate than 2DE for evaluating the area of multiple or noncircular VSDs. Real-time 3D color Doppler echocardiography (RT3D-CDE) is a feasible method for quantifying the shunt volume of multiple or noncircular VSDs.
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Affiliation(s)
- Evan Tracy
- Department of Pediatrics, Division of Cardiology, Oregon Health & Science University, Portland, Oregon
| | - Meihua Zhu
- Department of Pediatrics, Division of Cardiology, Oregon Health & Science University, Portland, Oregon
| | - Cole Streiff
- Department of Pediatrics, Division of Cardiology, Oregon Health & Science University, Portland, Oregon
| | - David J Sahn
- Department of Pediatrics, Division of Cardiology, Oregon Health & Science University, Portland, Oregon
| | - Muhammad Ashraf
- Department of Pediatrics, Division of Cardiology, Oregon Health & Science University, Portland, Oregon
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Imaging of left-to-right shunt in adults. Curr Opin Cardiol 2017; 32:475-481. [PMID: 28590259 DOI: 10.1097/hco.0000000000000423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Left-to-right shunts are commonly seen in congenital heart diseases. This review aims to review the anatomy, physiology, and imaging of the four most common left-to-right lesions in adults. RECENT FINDINGS Reported late complications of left-to-right lesions provide guidance in follow-up imaging. Use of three-dimensional echocardiography helps not only in the diagnosis of these defects but also in assistance during device closure. SUMMARY Noninvasive imaging plays a significant role in the diagnosis and management of left-to-right lesions.
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Hadeed K, Hascoet S, Amadieu R, Karsenty C, Cuttone F, Leobon B, Dulac Y, Acar P. Assessment of Ventricular Septal Defect Size and Morphology by Three-Dimensional Transthoracic Echocardiography. J Am Soc Echocardiogr 2016; 29:777-785. [DOI: 10.1016/j.echo.2016.04.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Indexed: 12/01/2022]
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