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Zampi JD, Sower CT, Lancaster TS, Sood V, Romano JC. Hybrid Interventions in Congenital Heart Disease: A Review of Current Practice and Rationale for Use. Ann Thorac Surg 2024; 118:329-337. [PMID: 38462049 DOI: 10.1016/j.athoracsur.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/14/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
BACKGROUND Hybrid interventions have become a common option in the management for a variety of patients with congenital heart disease. In this review, we discuss the data that have driven decision making about hybrid interventions to date. METHODS The existing literature on various hybrid approaches was reviewed and summarized. In addition, the key tenants to creating a successful hybrid program within a congenital heart center are elucidated. RESULTS Hybrid strategies for single-ventricle patients, pulmonary atresia with intact ventricular septum, branch pulmonary artery stenosis, and muscular ventricular septal defect closure have important benefits and limitations compared with traditional approaches. CONCLUSION A growing body of evidence supports the use of hybrid interventions in congenital heart disease. But important questions remain regarding improved survival and other long-term outcomes, such as neurocognition, that might impact widespread adoption as a primary treatment strategy.
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Affiliation(s)
- Jeffrey D Zampi
- Division of Pediatric Cardiology, Department of Pediatrics, University of Michigan, Ann Arbor, Michigan.
| | - C Todd Sower
- Division of Pediatric Cardiology, Department of Pediatrics, University of Michigan, Ann Arbor, Michigan
| | - Timothy S Lancaster
- Section of Pediatric Cardiovascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, Michigan
| | - Vikram Sood
- Section of Pediatric Cardiovascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, Michigan
| | - Jennifer C Romano
- Section of Pediatric Cardiovascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, Michigan
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2
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Berman DP, Morray B, Sullivan P, Shahanavaz S, Zahn EM. Results of the multicenter early feasibility study (EFS) of the Renata Minima stent as treatment for branch pulmonary artery stenosis and coarctation of aorta in infants. Catheter Cardiovasc Interv 2024; 104:61-70. [PMID: 38736246 DOI: 10.1002/ccd.31074] [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: 01/11/2024] [Revised: 04/12/2024] [Accepted: 04/29/2024] [Indexed: 05/14/2024]
Abstract
BACKGROUND Stent implantation has become standard of care in older children and adults for treatment of branch pulmonary artery stenosis (BPAS) and coarctation aorta (CoAo). There are no stents approved or available for infants that have the potential to be dilated to adult diameters. The Minima stent was designed to fulfill this unmet need. METHODS Multicenter, prospective, nonrandomized early feasibility study evaluating safety and effectiveness of the Minima stent for treatment of BPAS and CoAo. Primary endpoints included: (1) successful deployment across lesion, (2) stenosis relief defined by an increase in angiographic diameter of >50% and (3) freedom from stent explant, embolization or migration at 30 days and 6 months. RESULTS Between 2/2022 and 5/2022, 10 pts underwent Minima stent implantation with a median age and weight of 9 months (4-43 months) and 7.6 kg (5.1-16.9 kg). Procedural success and predefined stenosis relief was achieved in all cases (CoAo [n = 4], BPAS [n = 6]). Adverse events occurred in 3 pts: transient diminished lower extremity pulse (n = 2), distal stent on-balloon displacement successfully managed in the catheterization suite (n = 1). There were no deaths or major adverse events. All patients were free from stent explant and migration at 30 days and 6 months with no evidence for significant restenosis at latest follow-up. CONCLUSIONS Implantation of the Renata Minima stent was safe and effective for the treatment of BPAS and CoAo in this small cohort of infants and young children during early follow-up. Based on these early results, an expanded study with longer follow-up is warranted.
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Affiliation(s)
- Darren P Berman
- Heart Institute, Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Brian Morray
- Division of Pediatric Cardiology, Seattle Children's Hospital, Seattle, Washington, USA
| | - Patrick Sullivan
- Heart Institute, Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Shabana Shahanavaz
- Department of Pediatrics, Heart Institute, Cincinnati Children's Hospital University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Evan M Zahn
- Smidt Heart Institute and Guerin Children's, Cedars Sinai Medical Center, Los Angeles, California, USA
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3
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Haddad RN, Eicken A, Adel Hassan A, Gendera K, Kasem M, Georgiev S. Proof of Concept: A New Solution for Low-Profile Transcatheter Implantation of Optimus-L Stents in Small Children. Can J Cardiol 2024; 40:77-86. [PMID: 37726075 DOI: 10.1016/j.cjca.2023.09.015] [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: 05/01/2023] [Revised: 09/08/2023] [Accepted: 09/13/2023] [Indexed: 09/21/2023] Open
Abstract
BACKGROUND There is no stent designed or approved for use in infants. We sought to obtain in vitro and in vivo data on a new concept conceived to implant Optimus-L stents at infant vessel diameters and offer a potential long term stent solution. METHODS Nineteen Optimus-L stents were mounted on 8 types of angioplasty balloons with diameters 6, 8, and 10 mm with the use of an injection-moulded hand crimper. We evaluated balloon-stent unit (BSU) stability before insertion and advancement through short Terumo introducers with incremental French size and possibility of side-arm contrast injections. Three types of long sheaths were tested. Stents were inflated to balloon nominal diameters and re-expanded to 18 and 23 mm. Stent recoil, foreshortening, and fracture were evaluated. In vivo implantations were performed afterward. RESULTS In vitro: Medtronic Evercross balloons and modified Terumo Destination sheaths were the best combination: BSUs were inserted in 6 F sheaths with possible injections (for 6 and 8 mm balloons), and 7 F sheaths without injections (for the 10 mm balloon). Retrieving BSUs inside the sheath required 1 additional F-size. Boston Scientific Sterling and Balton Lovix balloons, as well as APT Braidin L guiding sheaths showed unsatisfactory performance. Dilation up to 23 mm was possible, and stent shortening was < 24% at 18 mm and < 37% at 23 mm. Recoil was limited, and no stent fractured. In vivo: Optimus-L stents were used to treat 2 infants with aortic coarctation and 2 children with pulmonary artery stenosis with the use of 8 mm balloons and low-profile access. CONCLUSIONS Optimus-L stents can be implanted safely in small patients with a low-profile approach. These stents have the potential to achieve adult size while maintaining structural integrity.
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Affiliation(s)
- Raymond N Haddad
- Centre de Référence Malformations Cardiaques Congénitales Complexes-M3C, Hôpital Universitaire Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris, Paris, France.
| | - Andreas Eicken
- Department of Congenital Heart Disease and Pediatric Cardiology, German Heart Centre Munich, Technical University of Munich, Munich, Germany
| | - Ahmed Adel Hassan
- Department of Pediatric Cardiology, Heart Centre of Excellence, Al Jalila Children's Speciality Hospital, Dubai, United Arab Emirates
| | - Katarzyna Gendera
- Department of Congenital Heart Disease and Pediatric Cardiology, German Heart Centre Munich, Technical University of Munich, Munich, Germany
| | - Mohamed Kasem
- Department of Pediatric Cardiology, Heart Centre of Excellence, Al Jalila Children's Speciality Hospital, Dubai, United Arab Emirates
| | - Stanimir Georgiev
- Department of Congenital Heart Disease and Pediatric Cardiology, German Heart Centre Munich, Technical University of Munich, Munich, Germany
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4
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Haddad RN, Bonnet D, Malekzadeh-Milani S. Failure to post-dilate BeSmooth peripheral stents to adult vessel size diameters during benchside tests. Cardiol Young 2023; 33:2597-2603. [PMID: 37073828 DOI: 10.1017/s1047951123000720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/20/2023]
Abstract
BACKGROUND Low-profile stent implantation remains a rescue treatment for aortic coarctation and branch pulmonary arteries stenosis in small children. Stent re-expansion to cope with vascular growth remains problematic. OBJECTIVES To evaluate ex vivo feasibility and mechanical behaviour of over-dilating BeSmooth peripheral stents (Bentley InnoMed, Germany). METHODS Three BeSmooth peripheral stents in diameters of 7, 8, and 10 mm were dilated to nominal pressure and then 13 atm. BeSmooth Ø7 × 23 mm was sequentially post-dilated using 12, 14, and 16 mm high-pressure balloons. BeSmooth Ø10 × 57 mm was post-dilated with a 14 mm balloon and then with a 48 mm bare-metal Optimus XXL stent hand-mounted on a 14 mm balloon (stent-in-stent). BeSmooth Ø8 × 57 mm was directly post-dilated with a 48 mm bare-metal Optimus XXL stent hand-mounted on a 16 mm balloon (stent-in-stent). The stents' diameter and length were measured. Digital inflation pressure was noted. Balloon rupture and stent fracture patterns were closely evaluated. RESULTS At 20atm pressure, BeSmooth Ø7 × 23 mm shortened to 2 mm forming a 12 mm diameter solid ring circle and the woven balloon ruptured radially. At 10 atm pressure, BeSmooth Ø10 × 57 mm fractured longitudinally in various dispatched breaking points at a diameter of 13 mm without shortening and ruptured the balloon with multiple pinholes. At 10 atm pressure, BeSmooth Ø8 × 57 mm fractured centrally at three different points at a diameter of 11.5 mm without shortening and the balloon broke radially in half. CONCLUSIONS In our benchmark tests, extreme shortening, severe balloon rupture, or unpredictable stent fracture patterns at small balloon diameters limits safe post-dilation of BeSmooth stents beyond 13 mm. BeSmooth stents are not ideal candidates for off-label stent interventions in smaller patients.
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Affiliation(s)
- Raymond N Haddad
- M3C-Necker, Hôpital Universitaire Necker-Enfants malades, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Damien Bonnet
- M3C-Necker, Hôpital Universitaire Necker-Enfants malades, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
- Université de Paris Cité, Paris, France
| | - Sophie Malekzadeh-Milani
- M3C-Necker, Hôpital Universitaire Necker-Enfants malades, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
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Mejia E, Kish EC, Bocks ML, Lozier JS. Stretched to the Limit: Comparing Polytetrafluoroethylene-Covered Endovascular Stents Through Serial Dilations. JOURNAL OF THE SOCIETY FOR CARDIOVASCULAR ANGIOGRAPHY & INTERVENTIONS 2022; 1:100035. [PMID: 39132561 PMCID: PMC11307785 DOI: 10.1016/j.jscai.2022.100035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 02/18/2022] [Accepted: 02/22/2022] [Indexed: 08/13/2024]
Abstract
Background Covered stents are used during congenital cardiac interventions to treat stenotic or injured vessels or to exclude unwanted vascular connections. The ability to postdilate a stented vessel to keep pace with somatic growth is critical in children. In this study, we aimed to compare in vitro performance of 2 brands of covered stents during serial dilations to demonstrate the threshold for stent fracture and polytetrafluoroethylene tear and define recoil and foreshortening characteristics. Methods iCast and VBX stents of various sizes were measured before and after expansion and through serial dilations. Dilations were performed at 2-mm increments until stent fracture, polytetrafluoroethylene tear, and "napkin-ring" formation, to a maximum of 22-mm diameter. Results The 5- and 6-mm VBX stents fractured during dilation with 10-mm balloon; the 7-mm VBX stents fractured on the 14-mm balloon; and the largest VBX stents fractured on the 20- or 22-mm balloons. iCast stents experienced partial fracture during dilation with the 14- or 16-mm balloons and complete fracture past dilation with 16-mm balloons. VBX stents recoiled less at nominal diameters. Both stents had similar foreshortening at nominal diameters, although VBX stents had more significant foreshortening with postdilation. Conclusions All iCast stents experienced partial fracture with dilation between 14- and 16-mm diameter and had unpredictable fracturing patterns. VBX stents showed a more predictable fracture pattern and had less recoil with nominal inflation but more foreshortening with postdilation. These findings may add clinical benefit and empower physicians to make optimal decisions regarding future planning of interventions in children with congenital heart disease.
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Affiliation(s)
- Ernesto Mejia
- Division of Pediatric Cardiology, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University, Cleveland, Ohio
| | - Emily C. Kish
- Division of Pediatric Cardiology, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University, Cleveland, Ohio
| | - Martin L. Bocks
- Division of Pediatric Cardiology, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University, Cleveland, Ohio
| | - John S. Lozier
- Division of Pediatric Cardiology, University Hospitals, Rainbow Babies and Children's Hospital, Case Western Reserve University, Cleveland, Ohio
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Zhao F, Sun J, Xue W, Wang F, King MW, Yu C, Jiao Y, Sun K, Wang L. Development of a polycaprolactone/poly( p-dioxanone) bioresorbable stent with mechanically self-reinforced structure for congenital heart disease treatment. Bioact Mater 2021; 6:2969-2982. [PMID: 33732967 PMCID: PMC7930591 DOI: 10.1016/j.bioactmat.2021.02.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/11/2021] [Accepted: 02/14/2021] [Indexed: 12/12/2022] Open
Abstract
Recent progress in bioresorbable stents (BRSs) has provided a promising alternative for treating coronary artery disease. However, there is still lack of BRSs with satisfied compression and degradation performance for pediatric patients with congenital heart disease, leading to suboptimal therapy effects. Here, we developed a mechanically self-reinforced composite bioresorbable stent (cBRS) for congenital heart disease application. The cBRS consisted of poly(p-dioxanone) monofilaments and polycaprolactone/poly(p-dioxanone) core-shell composite yarns. Interlacing points in cBRS structure were partially bonded, offering the cBRS with significantly higher compression force compared to typical braids and remained good compliance. The suitable degradation profile of the cBRS can possibly preserve vascular remodeling and healing process. In addition, the controllable structural organization provides a method to customize the performance of the cBRS by altering the proportion of different components in the braids. The in vivo results suggested the cBRS supported the vessel wall similar to that of metallic stent. In both abdominal aorta and iliac artery of porcine, cBRS was entirely endothelialized within 1 month and maintained target vessels with good patency in the 12-month follow-up. The in vivo degradation profile of the cBRS is consistent with static degradation results in vitro. It is also demonstrated that there is minimal impact of pulsatile pressure of blood flow and variation of radial force on the degradation rate of the cBRS. Moreover, the lumen of cBRS implanted vessels were enlarged after 6 months, and significantly larger than the vessels implanted with metallic stent in 12 months.
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Affiliation(s)
- Fan Zhao
- College of Textiles, Donghua University, Shanghai, 201620, China
- Key Laboratory of Textile Science and Technology, Ministry of Education, College of Textiles, Donghua University, Songjiang District, Shanghai, 201620, China
- Wilson College of Textiles, North Carolina State University, Raleigh, 27606, USA
| | - Jing Sun
- Department of Pediatric Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, No. 1665 Kongjiang Road, Shanghai, 200092, China
| | - Wen Xue
- College of Textiles, Donghua University, Shanghai, 201620, China
- Key Laboratory of Textile Science and Technology, Ministry of Education, College of Textiles, Donghua University, Songjiang District, Shanghai, 201620, China
| | - Fujun Wang
- College of Textiles, Donghua University, Shanghai, 201620, China
- Key Laboratory of Textile Science and Technology, Ministry of Education, College of Textiles, Donghua University, Songjiang District, Shanghai, 201620, China
| | - Martin W. King
- Wilson College of Textiles, North Carolina State University, Raleigh, 27606, USA
| | - Chenglong Yu
- College of Textiles, Donghua University, Shanghai, 201620, China
- Key Laboratory of Textile Science and Technology, Ministry of Education, College of Textiles, Donghua University, Songjiang District, Shanghai, 201620, China
| | - Yongjie Jiao
- College of Textiles, Donghua University, Shanghai, 201620, China
- Key Laboratory of Textile Science and Technology, Ministry of Education, College of Textiles, Donghua University, Songjiang District, Shanghai, 201620, China
| | - Kun Sun
- Department of Pediatric Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, No. 1665 Kongjiang Road, Shanghai, 200092, China
| | - Lu Wang
- College of Textiles, Donghua University, Shanghai, 201620, China
- Key Laboratory of Textile Science and Technology, Ministry of Education, College of Textiles, Donghua University, Songjiang District, Shanghai, 201620, China
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7
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Boe BA, Armstrong AK, Janse SA, Loccoh EC, Stockmaster K, Holzer RJ, Cheatham SL, Cheatham JP, Berman DP. Percutaneous Implantation of Adult Sized Stents for Coarctation of the Aorta in Children ≤20 kg: A 12-Year Experience. Circ Cardiovasc Interv 2021; 14:e009399. [PMID: 33544625 DOI: 10.1161/circinterventions.120.009399] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Stent implantation (SI) is more effective than balloon angioplasty for the treatment of coarctation of the aorta (CoA). Due to technical factors, balloon angioplasty is more commonly performed in small patients. We sought to evaluate outcomes of percutaneous adult sized SI for the treatment of CoA in small patients. METHODS A single-center retrospective review of all patients ≤20 kg who underwent percutaneous adult sized SI for native or recurrent CoA from 2004 to 2015 was performed. RESULTS Thirty-nine patients (20 patients ≤10 kg) were identified, with 28 (71.8%) having recurrent CoA and 22 (56.4%) previously failed balloon angioplasty. At the time of SI, the median (range) patient age and weight were 1.1 (0.3-7.9) years and 10 (5.5-20.4) kg, respectively. SI resulted in significant improvements in the median gradient (26 mm Hg [interquartile range (IQR), 18-42] to 0 mm Hg [IQR, 0-2]; P< 0.05) and median minimum diameter (3.6 mm [IQR, 2.4-4.8] to 7.7 mm [IQR, 6.5-9.4]; P<0.05). Seven patients (18%) had procedural adverse events. Twenty-seven (69%) patients underwent elective reintervention at a median time of 49.3 (IQR, 26.5-63.2) months from SI, with 8 (21%) stents requiring repeat SI for stent fracture. Over a median follow-up of 67.2 (IQR, 33.8-116.1) months, 25 patients (69%) were without hypertension or blood pressure gradient. Three (11%) patients developed femoral arterial occlusion. CONCLUSIONS Adult sized SI is an alternative to surgical intervention for small patients with CoA. SI carries a risk of access-related complications, which may improve with the development of lower profile stents with adult sized maximum diameters.
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Affiliation(s)
- Brian A Boe
- Pediatrics, The Heart Center, The Ohio State University School of Medicine, Nationwide Children's Hospital, Columbus, OH (B.A.B., A.K.A., K.S., S.L.C., J.P.C., D.P.B.)
| | - Aimee K Armstrong
- Pediatrics, The Heart Center, The Ohio State University School of Medicine, Nationwide Children's Hospital, Columbus, OH (B.A.B., A.K.A., K.S., S.L.C., J.P.C., D.P.B.)
| | - Sarah A Janse
- Center for Biostatistics Department of Biomedical Informatics, The Ohio State University, Columbus (S.A.J.)
| | - Eméfah C Loccoh
- The Ohio State University College of Medicine, Columbus (E.C.L.)
| | - Katie Stockmaster
- Pediatrics, The Heart Center, The Ohio State University School of Medicine, Nationwide Children's Hospital, Columbus, OH (B.A.B., A.K.A., K.S., S.L.C., J.P.C., D.P.B.)
| | - Ralf J Holzer
- Department of Pediatrics, Weill Cornell Medical College, New York, NY (R.J.H.)
| | - Sharon L Cheatham
- Pediatrics, The Heart Center, The Ohio State University School of Medicine, Nationwide Children's Hospital, Columbus, OH (B.A.B., A.K.A., K.S., S.L.C., J.P.C., D.P.B.)
| | - John P Cheatham
- Pediatrics, The Heart Center, The Ohio State University School of Medicine, Nationwide Children's Hospital, Columbus, OH (B.A.B., A.K.A., K.S., S.L.C., J.P.C., D.P.B.)
| | - Darren P Berman
- Pediatrics, The Heart Center, The Ohio State University School of Medicine, Nationwide Children's Hospital, Columbus, OH (B.A.B., A.K.A., K.S., S.L.C., J.P.C., D.P.B.)
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Hatoum I, Haddad RN, Saliba Z, Abdel Massih T. Endovascular stent implantation for aortic coarctation: parameters affecting clinical outcomes. AMERICAN JOURNAL OF CARDIOVASCULAR DISEASE 2021; 10:528-537. [PMID: 33489455 PMCID: PMC7811920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 11/30/2020] [Indexed: 09/28/2022]
Abstract
OBJECTIVE To evaluate safety and efficacy of endovascular stenting for aortic coarctation (AC) and to explore the effect of clinical parameters and stent characteristics on outcomes. MATERIAL AND METHODS Clinical data of all patients with AC who had attempted transcatheter stenting between 2004 and 2019 were retrospectively reviewed. Eligible patients had native or recurrent AC with systemic arterial hypertension and resting arm-leg pressure gradient > 20 mmHg. Exclusions included distance between takeoff of cervical arteries and stenotic aortic lesion < 10 mm, contraindication to antithrombotic therapy, bodyweight < 25 kg, and secondary hypertension. RESULTS A total of 20 patients (75.0% with native lesions) were included with a mean age of 18.4 years and a mean bodyweight of 59.2 kg. Procedure was successful in 90.0% of cases with an immediate drop in the invasive pressure gradient across lesions. On a median follow-up of 12 months (range, 8 to 144.9 months), coarctation reoccurred in five patients, but four of them required intervention after a median of 104.4 months with successful outcomes. Cheatham Platinum stents were significantly associated with lower rates of recoarctations and reinterventions. At the latest follow-up, three out of six patients with persistent hypertension had no recoarctation. Analysis showed that the need for antihypertensive therapy was not influenced by clinical parameters, aortic arch geometry, or stent characteristics. CONCLUSION Treating AC with stent implantation is a safe and successful procedure. Using Cheatham Platinum stents appears to be associated with better outcomes. The persistence of arterial hypertension despite successful stenting remains a complex and challenging phenomenon.
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Affiliation(s)
- Ibrahim Hatoum
- Department of Cardiology, Hotel Dieu de France University Medical Center, Saint Joseph University Beirut, Lebanon
| | - Raymond N Haddad
- Department of Pediatrics, Hotel Dieu de France University Medical Center, Saint Joseph University Beirut, Lebanon
| | - Zakhia Saliba
- Department of Pediatric Cardiology, Hotel Dieu de France University Medical Center, Saint Joseph University Beirut, Lebanon
| | - Toni Abdel Massih
- Department of Cardiology, Hotel Dieu de France University Medical Center, Saint Joseph University Beirut, Lebanon
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9
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Quandt D, Knirsch W, Michel-Behnke I, Kitzmüller E, Obradovic M, Uhlemann F, Kretschmar O. First-in-man pulmonary artery stenting in children using the Bentley® BeGrow™ stent system for newborns and infants. Int J Cardiol 2019; 276:107-109. [PMID: 30477928 DOI: 10.1016/j.ijcard.2018.11.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/16/2018] [Accepted: 11/09/2018] [Indexed: 11/27/2022]
Abstract
BACKGROUND Stent implantation into growing vessels is a common treatment option in infants and children with congenital heart disease (CHD) and corresponding vessel lesions. After stent implantation in small children, repetitive stent redilations are frequently necessary to accommodate for somatic growth. Until now, all available stents have limited final expansion diameters. MATERIAL AND RESULTS The new Bentley BeGrow™ stent system for newborns and infants is a L605 cobalt‑chromium, pre-mounted, balloon expandable stent, which is compatible with a 4 French sheath and 0.014 inch guide wire thus allowing implantation in small vessels (4-6 mm). It offers a new, unique stent design that allows post-dilation steps up to Ø11.5 mm. While re-dilating up to Ø11.5 mm this new stent maintains radial force and shows uniform expansion with only minimal foreshortening. Predetermined breaking points allow the stent struts to break in a controlled manner when exceeding a diameter of 11.5 mm. Residual radial force maintains even after stent opening due to spiral arrangement of the predetermined breaking points. The 2 first-in-man pulmonary artery stent implantations in a newborn with univentricular circulation and a toddler with biventricular circulation are reported as part of the currently performed licencing trial (ClinicalTrials.govNCT03287024). CONCLUSION The low-profile BeGrow™ stent system offers new treatment options for transcatheter stent implantations in newborns and infants. In our first experience, it can be effectively implanted. Longer follow-up will evaluate multiple, stepwise redilations and controlled stent strut breakage, which have the potential to accommodate for somatic vessel growth and/or subsequent implantation of larger stents.
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Affiliation(s)
- Daniel Quandt
- Pediatric Cardiology, Pediatric Heart Center, Department of Surgery, University Children's Hospital Zurich, Switzerland.
| | - Walter Knirsch
- Pediatric Cardiology, Pediatric Heart Center, Department of Surgery, University Children's Hospital Zurich, Switzerland
| | - Ina Michel-Behnke
- Paediatric Cardiology, Children's Heart Centre, University Hospital for children and adolescent medicine, Medical University Vienna, Austria
| | - Erwin Kitzmüller
- Paediatric Cardiology, Children's Heart Centre, University Hospital for children and adolescent medicine, Medical University Vienna, Austria
| | | | - Frank Uhlemann
- Center for Congenital Heart Disease, Olga Children's Hospital Stuttgart, Germany
| | - Oliver Kretschmar
- Pediatric Cardiology, Pediatric Heart Center, Department of Surgery, University Children's Hospital Zurich, Switzerland
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10
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Barrera CA, Otero HJ, White AM, Saul D, Biko DM. Image quality and radiation dose of ECG-triggered High-Pitch Dual-Source cardiac computed tomography angiography in children for the evaluation of central vascular stents. Int J Cardiovasc Imaging 2019; 35:367-374. [PMID: 30684082 DOI: 10.1007/s10554-019-01539-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 01/17/2019] [Indexed: 11/28/2022]
Abstract
Assess image quality and radiation dose of ECG-triggered High-Pitch Dual-Source CTA for the evaluation central vascular stents in children. We included all children ≤ 21 years old with one or more central vascular stents and available prospective ECG-triggered High-Pitch Dual-Source CTA performed at our institution between January 2015 and August 2017. Demographic and scanner information was retrieved. Two board-certified pediatric radiologists blinded to the clinical data, independently reviewed and scored each case using a four-point quality score. Scores 1, 2 and 3 were considered of diagnostic image quality. Inter-observer agreement and non-parametric test were used. 18 patients (10 girls, 8 boys) with a mean age of 9.47 ± 7.38 years (mean ± SD) met inclusion criteria. Thirty-two central vascular stents were evaluated. Mean quality score was 2.07 ± 0.94 with 12.5% (4/32) of the cases classified as unevaluable. Interobserver agreement was excellent (k = 0.86). There is no significant difference between quality score and stent location (p = 0.07). There is a significant difference with stent material as all non-diagnostic scores were only seen in covered stents made of platinum-iridium (p < 0.001). There was no association between image quality and age, height, weight, BSA, heart rate, radiation dose or stent lumen size (p > 0.05). ECG-triggered high-pitch spiral DS-CTA offers appropriate image quality for assessment of central vascular stents in children.
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Affiliation(s)
- Christian A Barrera
- Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA.
| | - Hansel J Otero
- Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Ammie M White
- Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - David Saul
- Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - David M Biko
- Department of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
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Ooi YK, Kim SIH, Gillespie SE, Kim DW, Vincent RN, Petit CJ. Premounted stents for branch pulmonary artery stenosis in children: A short term solution. Catheter Cardiovasc Interv 2018; 92:1315-1322. [DOI: 10.1002/ccd.27800] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 06/12/2018] [Accepted: 06/30/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Yinn Khurn Ooi
- Division of CardiologyChildren's Healthcare of Atlanta Atlanta Georgia
- Department of PediatricsEmory University School of Medicine Atlanta Georgia
| | - Sung In H. Kim
- Emory University Rollins School of Public Health Atlanta Georgia
| | - Scott E. Gillespie
- Department of PediatricsEmory University School of Medicine Atlanta Georgia
| | - Dennis W. Kim
- Division of CardiologyChildren's Healthcare of Atlanta Atlanta Georgia
- Department of PediatricsEmory University School of Medicine Atlanta Georgia
| | - Robert N. Vincent
- Division of CardiologyChildren's Healthcare of Atlanta Atlanta Georgia
- Department of PediatricsEmory University School of Medicine Atlanta Georgia
| | - Christopher J. Petit
- Division of CardiologyChildren's Healthcare of Atlanta Atlanta Georgia
- Department of PediatricsEmory University School of Medicine Atlanta Georgia
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12
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Zampi JD, Whiteside W. Innovative interventional catheterization techniques for congenital heart disease. Transl Pediatr 2018; 7:104-119. [PMID: 29770292 PMCID: PMC5938250 DOI: 10.21037/tp.2017.12.02] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Accepted: 12/01/2017] [Indexed: 11/06/2022] Open
Abstract
Since 1929, when the first cardiac catheterization was safely performed in a human by Dr. Werner Forssmann (on himself), there has been a rapid progression of cardiac catheterization techniques and technologies. Today, these advances allow us to treat a wide variety of patients with congenital heart disease using minimally invasive techniques; from fetus to infants to adults, and from simple to complex congenital cardiac lesions. In this article, we will explore some of the exciting advances in cardiac catheterization for the treatment of congenital heart disease, including transcatheter valve implantation, hybrid procedures, biodegradable technologies, and magnetic resonance imaging (MRI)-guided catheterization. Additionally, we will discuss innovations in imaging in the catheterization laboratory, including 3D rotational angiography (3DRA), fusion imaging, and 3D printing, which help to make innovative interventional approaches possible.
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Affiliation(s)
- Jeffrey D Zampi
- University of Michigan Congenital Heart Center, C.S. Mott Children's Hospital, Ann Arbor, MI, USA
| | - Wendy Whiteside
- University of Michigan Congenital Heart Center, C.S. Mott Children's Hospital, Ann Arbor, MI, USA
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13
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Kim MS, Yoon JK, Kim SH, Bang JS, Jang SI, Lee SY, Choi EY, Park SJ, Kwon HW. The outcome of percutaneous stent implantation in congenital heart disease: experience of a single institute. KOREAN JOURNAL OF PEDIATRICS 2018; 61:187-193. [PMID: 29963102 PMCID: PMC6021364 DOI: 10.3345/kjp.2018.61.6.187] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 10/17/2017] [Accepted: 10/27/2017] [Indexed: 11/27/2022]
Abstract
Purpose The efficacy of percutaneous stent implantation for congenital heart disease (CHD) in Korea, where stent availability is limited, has not been determined. This study evaluated the acute and midterm results of stent implantation in different CHD subgroups. Methods Stents were implanted in 75 patients with 81 lesions: (1) pulmonary artery stenosis (PAS) group, 56 lesions in 51 patients; (2) coarctation of the aorta (CoA) group, 5 lesions in 5 patients; (3) Fontan group, 13 lesions in 12 patients; (4) ductal stent group, 3 lesions in 3 patients; and (5) other CHD group, 4 lesions in 4 patients. Mean follow-up duration was 2.1 years (0.1–4 years). Medical records were reviewed retrospectively. Results The minimum lumen diameter (MLD) in PAS and CoA increased from 5.0±1.9 mm and 8.4±1.6 mm to 10.1±3.6 mm and 12.3±2.5 mm, respectively (P<0.01). In the PAS group, pressure gradient decreased from 25.7±15.6 mmHg to 10.4±10.1 mmHg, and right ventricular to aortic pressure ratio from 0.56±0.21 to 0.46±0.19. In the CoA group, the pressure gradient decreased from 50±33 mmHg to 17±8 mmHg. In the ductal stent group, the MLD of the ductus increased from 2.3 mm to 4.3 mm and arterial oxygen saturation from 40%–70% to 90%. No deaths were associated with stent implantation. Stent migration occurred in 3 patients, but repositioning was successful in all. Stent redilation was performed successfully in 26 cases after 29±12 months. Conclusion Percutaneous stent implantation was safe and effective, with acceptable short and mid-term outcomes in Korean CHD patients.
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Affiliation(s)
- Moon Sun Kim
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
| | - Ja Kyoung Yoon
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
| | - Seong Ho Kim
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
| | - Ji Seok Bang
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
| | - So Ick Jang
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
| | - Sang Yoon Lee
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
| | - Eun Young Choi
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
| | - Su Jin Park
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
| | - Hye Won Kwon
- Department of Pediatrics, Sejong General Hospital, Bucheon, Korea
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Initial assessment of a novel delivery system (NuDEL™ ®) for the covered Cheatham-Platinum stent. Cardiol Young 2017; 27:1465-1469. [PMID: 28857726 DOI: 10.1017/s1047951117000488] [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] [Indexed: 11/06/2022]
Abstract
UNLABELLED Aims We sought to evaluate the first-in-man use of a new system for implantation of covered stents in patients with complex structural and CHD. Methods and results Retrospective data were collected of the first 13 NuDEL™ delivery systems used in patients. The NuDEL™ comprises a covered Cheatham-Platinum stent mounted on a balloon-in-balloon and pre-loaded in a long delivery sheath. Data were collected from three centres in the United Kingdom and Ireland. A total of 13 covered stents were delivered via 12 NuDEL™ delivery systems in 12 patients. Among them, six patients had coarctation of the aorta, five patients had right ventricular outflow tract stenosis, and one patient had severe stenosis of a Mustard systemic venous baffle. There were no complications, and all the stents were deployed in the desired position with satisfactory haemodynamic results. CONCLUSIONS The development of a bespoke system of a pre-mounted, pre-loaded covered stent may negate some of the technical challenges that complicate large-calibre stent deployment. Our preliminary results suggest that the NuDEL™ system is a safe and effective means of covered stent deployment in challenging anatomy.
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Sullivan PM, Liou A, Takao C, Justino H, Petit CJ, Salazar JD, Ing FF. Tailoring stents to fit the anatomy of unique vascular stenoses in congenital heart disease. Catheter Cardiovasc Interv 2017; 90:963-971. [DOI: 10.1002/ccd.27234] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Revised: 07/08/2017] [Accepted: 07/16/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Patrick M. Sullivan
- Division of Pediatric Cardiology, Children's Hospital Los Angeles; University of Southern California Keck School of Medicine; Los Angeles California
| | - Aimee Liou
- Division of Pediatric Cardiology; Texas Children's Hospital, Baylor College of Medicine; Houston Texas
| | - Cheryl Takao
- Division of Pediatric Cardiology, Children's Hospital Los Angeles; University of Southern California Keck School of Medicine; Los Angeles California
| | - Henri Justino
- Division of Pediatric Cardiology; Texas Children's Hospital, Baylor College of Medicine; Houston Texas
| | - Christopher J. Petit
- Division of Pediatric Cardiology; Children's Healthcare of Atlanta, Emory University School of Medicine; Atlanta Georgia
| | - Jorge D. Salazar
- Department of Cardiac Surgery; Children's Hospital Boston, Harvard Medical School; Boston Massachusetts
| | - Frank F. Ing
- Division of Pediatric Cardiology, Children's Hospital Los Angeles; University of Southern California Keck School of Medicine; Los Angeles California
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