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Mortezaeian H, Rezanejad E, Pasebani Y, Zamani R, Khalili Y, Ghaemi H, Jafari F, Sabri M, Moosavi J, Mohebbi B, Abdi A, Montazeri Namin S, Sadeghipour P, Haulon S, Fraisse A. Five-Year Outcomes of Coarctoplasty with Stents in the Pediatric Population: Results from a Retrospective Single-Center Cohort with Centrally Adjudicated Outcomes. Pediatr Cardiol 2024:10.1007/s00246-024-03551-4. [PMID: 38940826 DOI: 10.1007/s00246-024-03551-4] [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: 04/22/2024] [Accepted: 06/13/2024] [Indexed: 06/29/2024]
Abstract
Transcatheter stent implantation is a widely performed procedure for treating native coarctation of the aorta (CoA) in pediatric patients. However, data on mid- to long-term outcomes are limited. The aim of this study was to evaluate the mid-term safety and efficacy of transcatheter CoA stenting based on centrally adjudicated outcomes. This retrospective cohort study included patients aged 15 years or younger undergoing de novo stenting for CoA or recoarctation (reCoA) between 2006 and 2017. Immediate and 5-year outcomes were assessed. Immediate outcomes (procedural and in-hospital) were retrieved from electronic records. Rates of 5-year reCoA, stent fractures, aneurysmal/pseudoaneurysmal formation, and all-cause mortality were mid-term outcomes. The study included 274 patients (64% male and 36% female) with a median (interquartile range) age of 9 (6-12) years. Procedural success was achieved in 251 patients (91.6%). Procedural complications occurred in 4 patients (1.4%), consisting of stent migration in 1 (0.3%) and small non-expanding non-flow-limiting aortic wall injuries in 3 (1.1%). Major vascular access complications were observed in 18 patients (6.6%), acute limb ischemia in 8 (2.9%). In-hospital mortality occurred in 4 patients (1.4%). Five-year cumulative incidence rates of stent fractures, reCoA, and aortic aneurysmal/pseudoaneurysmal formation were 17/100 (17%), 73/154 (48%), and 8/101 (7.92%), respectively. Of 73 reCoAs, 47 were treated with balloon angioplasty, and 15 underwent a second stent implantation. Five-year all-cause mortality occurred in 4/251 (1.6%) patients. Coarctoplasty with stents was safe and effective in our pediatric population during a 5-year follow-up despite a high rate of reCoA.
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Affiliation(s)
- Hojjat Mortezaeian
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Vali-Asr Ave, Tehran, 1995614331, Iran
| | - Elham Rezanejad
- Vascular Disease and Thrombosis Research Center, Rajaie Cardiovascular Medical and Research Institute, Tehran, Iran
| | - Yeganeh Pasebani
- Vascular Disease and Thrombosis Research Center, Rajaie Cardiovascular Medical and Research Institute, Tehran, Iran
| | - Raheleh Zamani
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Vali-Asr Ave, Tehran, 1995614331, Iran
| | - Yasaman Khalili
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Vali-Asr Ave, Tehran, 1995614331, Iran
| | - Hamidreza Ghaemi
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Vali-Asr Ave, Tehran, 1995614331, Iran
| | - Farshad Jafari
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Vali-Asr Ave, Tehran, 1995614331, Iran
| | - Mahshad Sabri
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Vali-Asr Ave, Tehran, 1995614331, Iran
| | - Jamal Moosavi
- Vascular Disease and Thrombosis Research Center, Rajaie Cardiovascular Medical and Research Institute, Tehran, Iran
| | - Bahram Mohebbi
- Vascular Disease and Thrombosis Research Center, Rajaie Cardiovascular Medical and Research Institute, Tehran, Iran
| | - Amir Abdi
- Vascular Disease and Thrombosis Research Center, Rajaie Cardiovascular Medical and Research Institute, Tehran, Iran
| | - Sara Montazeri Namin
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Vali-Asr Ave, Tehran, 1995614331, Iran
| | - Parham Sadeghipour
- Vascular Disease and Thrombosis Research Center, Rajaie Cardiovascular Medical and Research Institute, Tehran, Iran.
| | - Stephan Haulon
- Aortic Centre, Hopital Marie Lannelongue, Groupe Hospitalier Paris Saint Joseph, Université Paris-Saclay, Paris, France
| | - Alain Fraisse
- Paediatric Cardiology Services, Royal Brompton Hospital, London, SW3 6NP, UK
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Ahmadi A, Mansourian M, Sabri MR, Ghaderian M, Karimi R, Roustazadeh R. Follow-up outcomes and effectiveness of stent implantation for aortic coarctation: A systematic review and meta-analysis. Curr Probl Cardiol 2024; 49:102513. [PMID: 38556144 DOI: 10.1016/j.cpcardiol.2024.102513] [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: 02/22/2024] [Revised: 03/03/2024] [Accepted: 03/13/2024] [Indexed: 04/02/2024]
Abstract
BACKGROUND The authors aim to investigate the clinical implications of stent use for the management of CoA. METHODS All observational studies on stent implantation for the treatment of aortic coarctation and the relevant RCTs were systematically retrieved. Outcomes included the immediate success rate, pre- and post-stent gradient, survival, minor and major complications, restenosis, post-stent systolic blood pressure, and reintervention rate. The analysis was further stratified by CoA type, stent type, and the mean age of the patients. RESULTS Our meta-analysis incorporated 66 eligible studies involving 3,880 patients. The success rates for stent placement, defined as achieving post-treatment gradients of ≤20 mmHg and 10 mmHg, 0.96 (95% CI: 0.95 - 0.97; I2 = 59.83%) and 0.92 (95% CI: 0.89 - 0.95, I2 = 77.63%) respectively. The complication rates were quite low, with minor and major complication rates of 0.017 (95% CI: 0.013 - 0.021) and 0.007 (95% CI: 0.005 - 0.009), respectively. Unplanned reinterventions were required at a rate of 0.021 (95% CI: 0.015 - 0.026). At a mean follow-up of 2.9 years, 97% of the patients survived and 28% remained on antihypertensive therapy. While immediate effectiveness was consistent across age groups, complications were more prevalent in patients aged <20 years, and long-term efficacy was lower in those aged >20 years. Encouragingly, in neonates and infants, CoA stenting yielded results comparable to those observed in older children. CONCLUSION These findings underscore the overall favorable outcomes of stent placement for aortic coarctation, with considerations for age-related variations in complications and long-term efficacy.
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Affiliation(s)
- Alireza Ahmadi
- Pediatric Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Marjan Mansourian
- Pediatric Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Mohammad Reza Sabri
- Pediatric Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mehdi Ghaderian
- Pediatric Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Raheleh Karimi
- Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roshanak Roustazadeh
- European Vascular Center Aachen-Maastricht, Department of Vascular Surgery, University Hospital RWTH Aachen, 52074 Aachen, Germany
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Aslan S, Liu X, Wu Q, Mass P, Loke YH, Johnson J, Huddle J, Olivieri L, Hibino N, Krieger A. Virtual Planning and Patient-Specific Graft Design for Aortic Repairs. Cardiovasc Eng Technol 2024; 15:123-136. [PMID: 37985613 DOI: 10.1007/s13239-023-00701-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 11/07/2023] [Indexed: 11/22/2023]
Abstract
PURPOSE Patients presenting with coarctation of the aorta (CoA) may also suffer from co-existing transverse arch hypoplasia (TAH). Depending on the risks associated with the surgery and the severity of TAH, clinicians may decide to repair only CoA, and monitor the TAH to see if it improves as the patient grows. While acutely successful, eventually hemodynamics may become suboptimal if TAH is left untreated. The objective of this work aims to develop a patient-specific surgical planning framework for predicting and assessing postoperative outcomes of simple CoA repair and comprehensive repair of CoA and TAH. METHODS The surgical planning framework consisted of virtual clamp placement, stenosis resection, and design and optimization of patient-specific aortic grafts that involved geometrical modeling of the graft and computational fluid dynamics (CFD) simulation for evaluating various surgical plans. Time-dependent CFD simulations were performed using Windkessel boundary conditions at the outlets that were obtained from patient-specific non-invasive pressure and flow data to predict hemodynamics before and after the virtual repairs. We applied the proposed framework to investigate optimal repairs for six patients (n = 6) diagnosed with both CoA and TAH. Design optimization was performed by creating a combination of a tubular graft and a waterslide patch to reconstruct the aortic arch. The surfaces of the designed graft were parameterized to optimize the shape. RESULTS Peak systolic pressure drop (PSPD) and time-averaged wall shear stress (TAWSS) were used as performance metrics to evaluate surgical outcomes of various graft designs and implantation. The average PSPD improvements were 28% and 44% after the isolated CoA repair and comprehensive repair, respectively. Maximum values of TAWSS were decreased by 60% after CoA repair and further improved by 22% after the comprehensive repair. The oscillatory shear index was calculated and the values were confirmed to be in the normal range after the repairs. CONCLUSION The results showed that the comprehensive repair outperforms the simple CoA repair and may be more advantageous in the long term in some patients. We demonstrated that the surgical planning and patient-specific flow simulations could potentially affect the selection and outcomes of aorta repairs.
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Affiliation(s)
- Seda Aslan
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD, 21218, USA.
| | - Xiaolong Liu
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD, 21218, USA
- Department of Mechanical Engineering, Texas Tech University, Lubbock, TX, USA
| | - Qiyuan Wu
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD, 21218, USA
| | - Paige Mass
- Division of Cardiology, Children's National Hospital, Washington, DC, USA
| | - Yue-Hin Loke
- Division of Cardiology, Children's National Hospital, Washington, DC, USA
| | | | | | - Laura Olivieri
- Division of Cardiology, Children's National Hospital, Washington, DC, USA
| | - Narutoshi Hibino
- Section of Cardiac Surgery, Department of Surgery, The University of Chicago Medicine, Chicago, IL, USA
| | - Axel Krieger
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD, 21218, USA
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Colle A, Enciso SK, Brunee L, Sluysmans T, Kefer J, Astarci P, Lacroix V, Elens M. Aortic Coarctation Stenting in Adolescents and Adults: A Single-Center Experience. Vasc Endovascular Surg 2023; 57:863-868. [PMID: 37300455 DOI: 10.1177/15385744231183476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
PURPOSE/BACKGROUND The aim of this study was to evaluate the short and midterm results of aortic coarctation (AoCo) stenting in an adolescent and adult population. METHODS All patients with a AoCo older than 14 years treated by stent placement between December 2000 and November 2016 were included in this study. Twenty-eight patients with an invasive peak systolic pressure gradient >20 mmHg were identified. Number of redilations, non-invasive systolic blood pressure, peak systolic pressure gradient, antihypertensive medication intake, claudication status and complications were evaluated. RESULTS Twenty-two covered and 6 uncovered stents were successfully placed. Peak systolic pressure gradient decreased immediately after stenting from a mean of 32 mmHg to 0 mmHg (± 7 mmHg). Mean AoCo diameter increased from 8 tot 16 mm (± 4 mm). Peripheral arterial injury was seen in 2 patients (7.1%). The mean follow-up time was 60 ± 49 months. Redilation of the stent was required in 4 patients, 2 to accommodate for growth and 2 for restenosis. Six (35%) patients could stop all antihypertensive medication. All claudicants (6/28) became and remained asymptomatic after surgery and during their follow-up. No aneurysms, stent fractures or dissections were noticed. There were 2 stent migrations during the first procedure with only 1 needing additional stent placement. CONCLUSION Aortic coarctation stenting is a safe and effective treatment that significantly reduces the peak systolic pressure gradient. Antihypertensive medication can be reduced, and increase of walking distance in claudicants can be obtained. Younger patients may need more frequent reinterventions to accommodate for growth.
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Affiliation(s)
- Arnaud Colle
- Department of Cardiovascular Medicine, St Luc Hospital, Catholic University of Louvain, Brussels, Belgium
| | - Stéphane Kajingu Enciso
- Department of Cardiovascular Medicine, St Luc Hospital, Catholic University of Louvain, Brussels, Belgium
| | - Louise Brunee
- Department of Cardiovascular Medicine, St Luc Hospital, Catholic University of Louvain, Brussels, Belgium
| | - Thierry Sluysmans
- Department of Paediatrics, St Luc Hospital, Catholic University of Louvain, Brussels, Belgium
| | - Joëlle Kefer
- Department of Cardiovascular Medicine, St Luc Hospital, Catholic University of Louvain, Brussels, Belgium
| | - Parla Astarci
- Department of Cardiovascular Medicine, St Luc Hospital, Catholic University of Louvain, Brussels, Belgium
| | - Valerie Lacroix
- Department of Cardiovascular Medicine, St Luc Hospital, Catholic University of Louvain, Brussels, Belgium
| | - Maxime Elens
- Department of Cardiovascular Medicine, St Luc Hospital, Catholic University of Louvain, Brussels, Belgium
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Incidence, Predictors, and Outcomes of Cardiac Perforation During Pediatric Cardiac Catheterization: a Retrospective Observational Study from the Congenital Cardiac Interventional Study Consortium (CCISC). Pediatr Cardiol 2023; 44:867-872. [PMID: 36705683 DOI: 10.1007/s00246-023-03103-2] [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: 10/17/2022] [Accepted: 01/13/2023] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Cardiac perforation is a rare life-threatening complication of cardiac catheterization. There is very little published literature detailing risk factors for cardiac perforation and outcomes from this complication in children. MATERIALS AND METHODS This was a retrospective study analyzing the cardiac catheterization case registry of the Congenital Cardiovascular Interventional Study Consortium. Children aged < 18 years were included during the study period of 9 years (January 2009-December 2017). The primary outcome measures were incidence of cardiac perforation, risk factors for and outcomes of patients who experience cardiac perforation during cardiac catheterization. RESULTS Cardiac perforation occurred in 50 patients from a total of 36,986 (0.14%). Cardiac perforation was more likely to occur in younger, smaller patients undergoing urgent/emergent and interventional procedures (p < 0.01). Cardiac peroration risk was significantly different across diagnostic and procedure categories (p < 0.01). Higher CRISP score (Area Under Curve [AUC] = 0.87), lower age, and procedure category (radiofrequency perforation of pulmonary valve, AUC = 0.84) were independent predictors of cardiac perforation. Cardiac perforation was associated with a significantly higher rate of mortality (14%), further emergency procedure (42%), ECMO (14%), and cardiac arrest (6%), p < 0.01. CONCLUSIONS Cardiac perforation during cardiac catheterization is a life-threatening complication with a range of associated secondary complications. Higher CRISP score, lower age, and radiofrequency perforation of pulmonary valve are independent predictors.
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Kasar T, Erkut O, Tanidir İC, Şahin M, Topkarci MA, Guzeltas A. Balloon-expandable stents for native coarctation of the aorta in children and adolescents. Medicine (Baltimore) 2022; 101:e32332. [PMID: 36595787 PMCID: PMC9794334 DOI: 10.1097/md.0000000000032332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Although balloon-expandable stent implantation for native aortic coarctation is a preferred method in the adolescent age group, there are insufficient data about indications for and the efficacy of the procedure in a younger age group. The aim of this study was to compare and evaluate the data of young pediatric and adolescent patients who underwent balloon-expandable stent implantation because of native aortic coarctation. The retrospective analysis included the demographic characteristics and data related to the procedure and follow-up of patients who underwent stent implantation for native aortic coarctation between August 2010 and November 2017. Patients with re-coarctation were excluded from the study. The patients were separated into 2 groups as the adolescent group (Group I: 10-18 years) and the pediatric group (Group II: ≤ 9.9 years). Group-I comprised of 18 patients and Group-II, 32 patients. Covered stent was implanted to 32 (73%) patients and uncovered stent to 12 (27%) patients. The procedural success rate was 100%. Following stent implantation, peak systolic gradient decreased significantly in both groups (P < .0001) (Group-I: from 35.9 ± 16.6 mm Hg-2.2 ± 3.4 mm Hg, Group II: from 34 ± 13.3 mm Hg-3 ± 4.09 mm Hg). Complications developed in 3 patients, and all in Group I. Femoral hematoma developed in 1 patient, balloon rupture occurred during the procedure in 1 patient, and there was temporary loss of pulse in 1 patient. All the complications were treated successfully. All the patients were taking anti-hypertensive drugs before intervention and during the mean 23-month follow-up period (range, 2-84 months), hypertension recovered in 35 (80%) patients and drugs were terminated. Stent implantation for aortic coarctation in the pediatric age group may provide pleasing results, reducing the coarctation gradient, providing effective dilatation in the lesion area and eliminating hypertension.
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Affiliation(s)
- Taner Kasar
- Department of Pediatric Cardiology, Istanbul Saglik Bilimleri University Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Education and Research Hospital, Istanbul, Turkey
- * Correspondence: Taner kasar, Department of Pediatric Cardiology, Istanbul Saglik Bilimleri University Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Education and Research Hospital, Istasyon Mah.Turgut Ozal Bulvari No:11 Kucukcekmece, Istanbul 34303, Turkey (e-mail: )
| | - Ozturk Erkut
- Department of Pediatric Cardiology, Istanbul Saglik Bilimleri University Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Education and Research Hospital, Istanbul, Turkey
| | - İ. Cansaran Tanidir
- Department of Pediatric Cardiology, Istanbul Saglik Bilimleri University Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Education and Research Hospital, Istanbul, Turkey
| | - Murat Şahin
- Department of Pediatric Cardiology, Istanbul Saglik Bilimleri University Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Education and Research Hospital, Istanbul, Turkey
| | - M. Akin Topkarci
- Department of Anesthesia, Istanbul Saglik Bilimleri University Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Education and Research Hospital, Istanbul, Turkey
| | - Alper Guzeltas
- Department of Pediatric Cardiology, Istanbul Saglik Bilimleri University Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Education and Research Hospital, Istanbul, Turkey
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Sendzikaite S, Sudikiene R, Lubaua I, Silis P, Rybak A, Brzezinska-Rajszys G, Obrycki Ł, Litwin M, Jankauskiene A. Antihypertensive therapy of late arterial hypertension in children following successful coarctation correction. J Hypertens 2022; 40:2476-2485. [PMID: 36129116 DOI: 10.1097/hjh.0000000000003282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUNG Late arterial hypertension (AH) is the most significant complication of coarctation of the aorta (CoA). Only a few clinical studies described antihypertensive treatment of late AH following successful CoA repair. The primary objective of this multicentre cross-sectional study was to describe real-life antihypertensive therapy for late AH in children after hemodynamically successful CoA repair. The secondary objective was to describe antihypertensive therapy used within different haemodynamic phenotypes of AH. METHOD Blood pressure status, echocardiographic parameters and central blood pressure measurements were evaluated in 110 children aged 6-18 years following successful CoA repair with right arm blood pressure not exceeding leg blood pressure by at least 20 mmHg. RESULTS AH was found in 62 (56%) patients including 47 who were already treated and 15 with new diagnosed AH of whom seven presented with masked hypertension. Among treated patients, 10 presented with masked hypertension. The dominant phenotype of AH among patients with uncontrolled AH was isolated systolic hypertension (32 patients out of 37; 87.5%). AH was controlled in 53% of treated patients. Fifty-three percent of hypertensive patients had elevated central SBP and 39% had left ventricular hypertrophy with various left ventricle geometry patterns, 23% of them had both. β-adrenergic receptor blockers were the most used antihypertensive drugs followed by angiotensin-converting enzyme inhibitors with doses within the lower recommended range. CONCLUSION High prevalence of uncontrolled AH despite successful CoA repair and use of relatively low doses of antihypertensive drugs indicates the need of close blood pressure monitoring and more intensive and combined antihypertensive therapy.
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Affiliation(s)
- Skaiste Sendzikaite
- Institute of Clinical Medicine, Vilnius University, Faculty of Medicine, Vilnius, Lithuania
| | - Rita Sudikiene
- Institute of Clinical Medicine, Vilnius University, Faculty of Medicine, Vilnius, Lithuania
| | - Inguna Lubaua
- Clinic for Paediatric Cardiology and Cardiac Surgery, Children's Clinical University Hospital, Stradins University, Riga, Latvia
| | - Pauls Silis
- Clinic for Paediatric Cardiology and Cardiac Surgery, Children's Clinical University Hospital, Stradins University, Riga, Latvia
| | | | | | - Łukasz Obrycki
- Department of Nephrology and Arterial Hypertension, The Children's Memorial Health Institute, Warsaw, Poland
| | - Mieczysław Litwin
- Department of Nephrology and Arterial Hypertension, The Children's Memorial Health Institute, Warsaw, Poland
| | - Augustina Jankauskiene
- Institute of Clinical Medicine, Vilnius University, Faculty of Medicine, Vilnius, Lithuania
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Kurtz JD, Rubio AE, Johnston TA, Morray BH, Jones TK. Late Outcomes of Transcatheter Coarctation Intervention in Infants with Biventricular Anatomy. Pediatr Cardiol 2022; 43:1438-1443. [PMID: 35274168 DOI: 10.1007/s00246-022-02865-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/28/2022] [Indexed: 11/26/2022]
Abstract
Determine outcomes of catheter intervention for aortic coarctation in infants. Aortic coarctation in infants following surgical repair and in high surgical risk native cases remains a challenging problem. Catheter intervention is an alternative to surgical intervention. Single-center, chart review of infants with biventricular anatomy who underwent coarctation stent placement or balloon angioplasty between 04/2004 and 04/2020. Outcomes of interest included change in aortic lumen diameter, peak gradient, number of re-interventions, time to re-intervention, and adverse events. Thirty-four patients were included in analysis, of those 16 underwent stent placement. Patients' mean age was 4.0 ± 3.0 months and weight of 5.3 ± 1.9 kg. Follow-up interval was 5.4 ± 5.1 years (0.2-16.1 years). Twelve (35%) patients underwent procedure due to ventricular dysfunction; the rest were for high resting gradient. Coarctation diameter increased from 2.4 ± 1.0 to 4.5 ± 1.3 (p < 0.01) and gradient decreased from 32.0 ± 18.4 mmHg to 9.2 ± 8.8 mmHg (p < 0.01). Thirteen (81%) of the stented patients required at least one re-intervention, at an average of 1.7 ± 3.2 years from the index procedure. Five (28%) of those undergoing balloon angioplasty required repeat intervention. There was no mortality due to the procedure and one late mortality. One patient had a serious procedural adverse event. On follow-up, 12 (35%) were on anti-hypertensive medications. Catheter intervention, including stent placement, for aortic coarctation in infants is feasible with an acceptable adverse event profile. Repeat interventions are common.
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Affiliation(s)
- Joshua D Kurtz
- Division of Pediatric Cardiology, Department of Pediatrics, University of Washington/Seattle Children's Hospital, RC 2.820, PO Box 5371, Seattle, WA, 98105, US.
- Division of Pediatric Cardiology, Departments of Pediatrics, University of Louisville, 571 S. Floyd St., Ste 113, Louisville, KY, 40202, US.
| | - Agustin E Rubio
- Division of Pediatric Cardiology, Department of Pediatrics, University of Washington/Seattle Children's Hospital, RC 2.820, PO Box 5371, Seattle, WA, 98105, US
| | - Troy A Johnston
- Division of Pediatric Cardiology, Department of Pediatrics, University of Washington/Seattle Children's Hospital, RC 2.820, PO Box 5371, Seattle, WA, 98105, US
| | - Brian H Morray
- Division of Pediatric Cardiology, Department of Pediatrics, University of Washington/Seattle Children's Hospital, RC 2.820, PO Box 5371, Seattle, WA, 98105, US
| | - Thomas K Jones
- Division of Pediatric Cardiology, Department of Pediatrics, University of Washington/Seattle Children's Hospital, RC 2.820, PO Box 5371, Seattle, WA, 98105, US
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Bambul Heck P, Fayed M, Hager A, Cesna S, Georgiev S, Tanase D, Hörer J, Ewert P, Eicken A. Sequential dilation strategy in stent therapy of the aortic coarctation: A single centre experience. Int J Cardiol 2021; 331:82-87. [PMID: 33548378 DOI: 10.1016/j.ijcard.2021.01.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 12/01/2020] [Accepted: 01/15/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND In our study, we sought to analyse the mid-term results after interventional aortic coarctation (CoA) stenting with sequential dilation of the stent. METHODS The data of all 218 patients, who are above the age of 6 years and underwent CoA-stent implantation in our hospital, were retrospectively analysed on the rate of re-interventions, complications and arterial hypertension at a follow-up time of 31 months. To avoid any aortic complications, stents were deployed primarily not in full size and a second cardiac catheterisation for further dilatation was scheduled within 6-12 months after the stent implantation. RESULTS The median peak invasive systolic pressure gradient declined significantly from 26.2 mmHg to 2.7 mmHg after stenting. There was one procedure related death due to an aortic rupture after stent implantation. There were in total 33 (15.1%) procedure-related complications including femoral artery complications, stent fracture and stent dislocation (in 9, 9 and 7 patients, respectively). In 85 patients a re-dilatation and in 25 patients a second stent-implantation was necessary at the first re-intervention. The systolic blood pressure declined significantly from 144 mmHg to 131 mmHg after stenting. The number of patients being normotensive changed from 18% before stenting to 78.5% after stenting with adjusted antihypertensive medication. CONCLUSION Aortic stenting is an effective means for CoA treatment. With sequential dilation of the stent, a very low rate of life-threatening procedural complications and mortality can be achieved. CoA stenting with proper antihypertensive medications results in better control of blood pressure.
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Affiliation(s)
- Pinar Bambul Heck
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany.
| | - Mohamed Fayed
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany; Department of Paediatrics, Faculty of Medicine, Zagazig University, Egypt
| | - Alfred Hager
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany
| | - Sigitas Cesna
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany; Clinic of Cardiac and Vascular Diseases, Institute of Clinical Medicine, Vilnius University, Lithuania
| | - Stanimir Georgiev
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany
| | - Daniel Tanase
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany
| | - Jürgen Hörer
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany; Division of Paediatric and Congenital Heart Surgery, University Hospital, LMU Munich, Munich, Germany
| | - Peter Ewert
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany
| | - Andreas Eicken
- Department of Paediatric Cardiology and Congenital Heart Disease, Deutsches Herzzentrum München (DHM), Technische Universität München (TUM), Germany
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10
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Sendzikaite S, Sudikiene R, Tarutis V, Lubaua I, Silis P, Rybak A, Jankauskiene A, Litwin M. Prevalence of arterial hypertension, hemodynamic phenotypes, and left ventricular hypertrophy in children after coarctation repair: a multicenter cross-sectional study. Pediatr Nephrol 2020; 35:2147-2155. [PMID: 32529324 DOI: 10.1007/s00467-020-04645-w] [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: 03/26/2020] [Revised: 05/28/2020] [Accepted: 06/03/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND This study aimed to evaluate hemodynamic phenotypes and prevalence of left ventricular hypertrophy in children after coarctation repair with right arm and leg blood pressure difference < 20 mmHg. Secondary objectives were analysis of effects of age at intervention, residual gradient across the descending aorta, and type of correction. METHODS Blood pressure status and left ventricular hypertrophy were diagnosed according to European Society of Hypertension 2016 guidelines. RESULTS Of 90 patients with a median age 12.5 (8.9-15.8) years, 8.5 (6.0-11.8) years after coarctation repair who were included, 42 (46.7%) were hypertensive. Isolated systolic hypertension dominated among 29 hypertensive patients with uncontrolled or masked hypertension (25 of 29; 86.2%). Of the 48 patients with office normotension, 14.6% (7) had masked hypertension, 8.3% (4) had ambulatory prehypertension, and 54.2% (26) were truly normotensive. Left ventricular hypertrophy was diagnosed in 29 patients (32.2%), including 14 of 42 (33.3%) hypertensive and 15 of 48 (31.3%) normotensive patients. The peak systolic gradient across the descending aorta was greater in hypertensive subjects (33.3 ± 12.7 mmHg) compared with normotensive subjects (25 ± 8.2 mmHg, p = 0.0008). Surgical correction was performed earlier than percutaneous intervention (p < 0.0001) and dominated in 40 of 48 (83.3%) normotensive versus 24 of 42 (57.1%) hypertensive patients (p = 0.006). CONCLUSIONS Arterial hypertension with isolated systolic hypertension as the dominant phenotype and left ventricular hypertrophy are prevalent even after successful coarctation repair. Coarctation correction from the age of 9 years and older was associated with a higher prevalence of hypertension.
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Affiliation(s)
- Skaiste Sendzikaite
- Institute of Clinical Medicine, Vilnius University, Faculty of Medicine, Vilnius, Lithuania.
| | - Rita Sudikiene
- Institute of Clinical Medicine, Vilnius University, Faculty of Medicine, Vilnius, Lithuania
| | - Virgilijus Tarutis
- Institute of Clinical Medicine, Vilnius University, Faculty of Medicine, Vilnius, Lithuania
| | - Inguna Lubaua
- Clinic for Paediatric Cardiology and Cardiac Surgery, Children's Clinical University Hospital, Stradins University, Riga, Latvia
| | - Pauls Silis
- Clinic for Paediatric Cardiology and Cardiac Surgery, Children's Clinical University Hospital, Stradins University, Riga, Latvia
| | - Agata Rybak
- Department of Cardiology, The Children's Memorial Health Institute, Warsaw, Poland
| | - Augustina Jankauskiene
- Institute of Clinical Medicine, Vilnius University, Faculty of Medicine, Vilnius, Lithuania
| | - Mieczyslaw Litwin
- Department of Nephrology and Arterial Hypertension, The Children's Memorial Health Institute, Warsaw, Poland
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11
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Firouzi A, Sadeghipour P, Pouraliakbar H, Shafe O, Moosavi J, Mohebbi B, Abdi S, Alemzadeh-Ansari MJ, Khajali Z, Saedi S, Hosseini Z. Paradigm Shift in the Management of Isolated Interrupted Aortic Arch in Adulthood. Curr Probl Cardiol 2020; 46:100717. [PMID: 33092852 DOI: 10.1016/j.cpcardiol.2020.100717] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 09/19/2020] [Indexed: 11/19/2022]
Abstract
An interrupted aortic arch (IAA) is a rare type of congenital heart disease, and few patients survived into the adulthood. Surgical reconstruction is still the recommended approach, despite its complexity and considerable complication. In addition, patients with IAA usually suffer from several other important congenital heart anomalies, which increase the complexity of surgical management of IAA. Although endovascular therapy has replaced surgery in the treatment of the majority of non-IAA, its applicability in IAA is still matter of debate. In the present review, we have discussed about various therapeutic solutions of IAA, and present a stepwise approach for its endovascular management.
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12
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Egbe AC, Anderson JH, Ammash NM, Taggart NW. Left Ventricular Remodeling After Transcatheter Versus Surgical Therapy in Adults With Coarctation of Aorta. JACC Cardiovasc Imaging 2020; 13:1863-1872. [PMID: 32199847 PMCID: PMC7486991 DOI: 10.1016/j.jcmg.2020.01.016] [Citation(s) in RCA: 12] [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: 11/06/2019] [Revised: 01/08/2020] [Accepted: 01/17/2020] [Indexed: 01/29/2023]
Abstract
OBJECTIVES The purpose of this retrospective cohort study was to compare remodeling of left ventricular (LV) structure and function after transcatheter stent therapy with remodeling of LV structure and function after surgical therapy for COA. BACKGROUND Transcatheter stent therapy is as effective as surgery in producing acute hemodynamic improvement in patients with coarctation of aorta (COA). However, LV remodeling after transcatheter COA intervention has not been systematically investigated. METHODS LV remodeling was assessed at 1, 3, and 5 years post-intervention by using LV mass index (LVMI), LV end-diastolic dimension, LV ejection fraction, LV global longitudinal strain (LVGLS), LV mitral annular tissue Doppler early velocity (LVe'), and ratio of mitral inflow pulsed wave Doppler early velocity and e' (E/e') ratio. RESULTS There were 44 patients in the transcatheter group and 128 patients in the surgical group. Compared to the surgical group, the transcatheter group had less regression of LVMI (-4.6; 95% confidence interval [CI]: -5.5 to -3.7 vs. -7.3; 95% CI: -8.4 to -6.6 g/m2; p < 0.001), less improvement in LVGLS (2.1; 95% CI: 1.8 to 2.4 vs. 2.9; 95% CI: 2.6 to 3.2%; p = 0.024), and in e' (1.0 ; 95% CI: 0.7 to 1.2 vs. 1.5 ; 95% CI: 1.3 to 1.7 cm/s; p = 0.009) at 5 years post-intervention. Exploratory analysis showed a correlation between change in LVMI and LVGLS, and between change in LVMI and mitral annular tissue Doppler early velocity (e'), and this correlations were independent of the type of intervention received. CONCLUSIONS Transcatheter stent therapy was associated with less remodeling of LV structure and function during mid-term follow-up. As transcatheter stent therapy becomes more widely used in the adult COA population, there is a need for ongoing clinical monitoring to determine if these observed differences in LV remodeling translate to differences in clinical outcomes.
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Affiliation(s)
- Alexander C Egbe
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, Minnesota.
| | - Jason H Anderson
- Division of Pediatric Cardiology, Mayo Clinic Rochester, Minnesota
| | - Naser M Ammash
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, Minnesota
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13
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Agasthi P, Pujari SH, Tseng A, Graziano JN, Marcotte F, Majdalany D, Mookadam F, Hagler DJ, Arsanjani R. Management of adults with coarctation of aorta. World J Cardiol 2020; 12:167-191. [PMID: 32547712 PMCID: PMC7284000 DOI: 10.4330/wjc.v12.i5.167] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/21/2020] [Accepted: 03/26/2020] [Indexed: 02/06/2023] Open
Abstract
Coarctation of the aorta (CoA) is a relatively common congenital cardiac defect often causing few symptoms and therefore can be challenging to diagnose. The hallmark finding on physical examination is upper extremity hypertension, and for this reason, CoA should be considered in any young hypertensive patient, justifying measurement of lower extremity blood pressure at least once in these individuals. The presence of a significant pressure gradient between the arms and legs is highly suggestive of the diagnosis. Early diagnosis and treatment are important as long-term data consistently demonstrate that patients with CoA have a reduced life expectancy and increased risk of cardiovascular complications. Surgical repair has traditionally been the mainstay of therapy for correction, although advances in endovascular technology with covered stents or stent grafts permit nonsurgical approaches for the management of older children and adults with native CoA and complications. Persistent hypertension and vascular dysfunction can lead to an increased risk of coronary disease, which, remains the greatest cause of long-term mortality. Thus, blood pressure control and periodic reassessment with transthoracic echocardiography and three-dimensional imaging (computed tomography or cardiac magnetic resonance) for should be performed regularly as cardiovascular complications may occur decades after the intervention.
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Affiliation(s)
- Pradyumna Agasthi
- Department of Cardiovascular Diseases, Mayo Clinic, Scottsdale, AZ 85259, United States
| | - Sai Harika Pujari
- Department of Cardiovascular Diseases, Mayo Clinic, Scottsdale, AZ 85259, United States
| | - Andrew Tseng
- Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN 55905, United States
| | - Joseph N Graziano
- Division of Cardiology, Phoenix Children's Hospital, Children's Heart Center, Phoenix, AZ 85016, United States
| | - Francois Marcotte
- Department of Cardiovascular Diseases, Mayo Clinic, Scottsdale, AZ 85259, United States
| | - David Majdalany
- Department of Cardiovascular Diseases, Mayo Clinic, Scottsdale, AZ 85259, United States
| | - Farouk Mookadam
- Department of Cardiovascular Diseases, Mayo Clinic, Scottsdale, AZ 85259, United States
| | - Donald J Hagler
- Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN 55905, United States
| | - Reza Arsanjani
- Department of Cardiovascular Diseases, Mayo Clinic, Scottsdale, AZ 85259, United States
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14
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Alkashkari W, Albugami S, Hijazi ZM. Management of Coarctation of The Aorta in Adult Patients: State of The Art. Korean Circ J 2019; 49:298-313. [PMID: 30895757 PMCID: PMC6428953 DOI: 10.4070/kcj.2018.0433] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 01/04/2019] [Indexed: 12/16/2022] Open
Abstract
Coarctation of the aorta (CoA) is a common form of congenital heart disease. Adult patients with CoA may be asymptomatic or may present with hypertension. Over the last few years, endovascular management of adult patients with CoA emerged as the preferred strategy. Stent implantation, though technically challenging, offers the best and most lasting therapy. In this paper, we will review technical considerations and outcome of patients undergoing stent implantation for CoA.
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Affiliation(s)
- Wail Alkashkari
- King Saud Bin Abdulaziz University for Health Science, Jeddah, Saudi Arabia.,Department of Cardiology, King Faisal Cardiac Center, Ministry of national Guard Health Affairs, Jeddah, Saudi Arabia.,King Abdullah international medical research center Jeddah, Saudi Arabia.
| | - Saad Albugami
- King Saud Bin Abdulaziz University for Health Science, Jeddah, Saudi Arabia.,Department of Cardiology, King Faisal Cardiac Center, Ministry of national Guard Health Affairs, Jeddah, Saudi Arabia.,King Abdullah international medical research center Jeddah, Saudi Arabia
| | - Ziyad M Hijazi
- Department of Pediatrics, Sidra Heart Center, Sidra Medicine, Doha, Qatar.,Weill Cornell Medicine, New York, NY, USA
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15
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Wu Y, Jin X, Kuang H, Lv T, Li Y, Zhou Y, Wu C. Is balloon angioplasty superior to surgery in the treatment of paediatric native coarctation of the aorta: a systematic review and meta-analysis. Interact Cardiovasc Thorac Surg 2018; 28:291-300. [PMID: 30060099 DOI: 10.1093/icvts/ivy224] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 06/12/2018] [Indexed: 11/12/2022] Open
Affiliation(s)
- Yuhao Wu
- Department of Cardiothoracic Surgery, Children’s Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing, China
- Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Xin Jin
- Department of Cardiothoracic Surgery, Children’s Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing, China
- Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Hongyu Kuang
- Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing, China
- Chongqing Key Laboratory of Pediatrics, Chongqing, China
- Department of Cardiology, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Tiewei Lv
- Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing, China
- Chongqing Key Laboratory of Pediatrics, Chongqing, China
- Department of Cardiology, Children’s Hospital of Chongqing Medical University, Chongqing, China
| | - Yonggang Li
- Department of Cardiothoracic Surgery, Children’s Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing, China
- Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Yuehang Zhou
- Department of Cardiothoracic Surgery, Children’s Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing, China
- Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Chun Wu
- Department of Cardiothoracic Surgery, Children’s Hospital of Chongqing Medical University, Chongqing, China
- Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing, China
- Chongqing Key Laboratory of Pediatrics, Chongqing, China
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16
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17
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Caruana M, Grech V. Long-term outcomes after aortic coarctation repair in Maltese patients: A population-based study. CONGENIT HEART DIS 2017; 12:588-595. [DOI: 10.1111/chd.12488] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 05/08/2017] [Accepted: 05/11/2017] [Indexed: 01/12/2023]
Affiliation(s)
| | - Victor Grech
- Department of Pediatrics; Mater Dei Hospital; Msida Malta
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18
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Rad EM, Mortezaeian H, Pouraliakbar HR, Hijazi ZM. Pitfalls of stenting coarctation of an angulated right circumflex aortic arch in Goldenhar syndrome. Ann Pediatr Cardiol 2017; 10:194-196. [PMID: 28566829 PMCID: PMC5431033 DOI: 10.4103/apc.apc_134_16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
We report stenting of coarctation of an angulated right circumflex aortic arch (RCAA) using four Cheatham Platinum stents in a child with Goldenhar syndrome. Difficulties in measuring the accurate length of the curved and narrowed transverse aortic arch marked discrepancy between the luminal diameters of the long narrow transverse arch and wide descending thoracic aorta, increased displacement force caused by the 90° bend between the two parts resulted in repeated stent migrations. We discuss the tips to avoid distal stent migration in the setting of an angulated RCAA.
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Affiliation(s)
- Elaheh Malakan Rad
- Department of Pediatrics, Children's Medical Center (Pediatrics Center of Excellence), Tehran University of Medical Sciences, Tehran 1419733151, Iran
| | - Hojjat Mortezaeian
- Rajaie Cardiovascular, Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Pouraliakbar
- Rajaie Cardiovascular, Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Ziyad M Hijazi
- Department of Pediatrics, Sidra Medical and Research Center, Weill Cornell Medicine, New York, USA
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