Academic literature on the topic 'BT shunt'

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Journal articles on the topic "BT shunt"

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Putri, Rieza Furry Anissa, and Herdono Poernomo. "Anesthesia Management in Blalock-Taussig Shunt Procedure." JAI (Jurnal Anestesiologi Indonesia) 16, no. 1 (2024): 65–82. http://dx.doi.org/10.14710/jai.v0i0.53139.

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Background: The systemic to pulmonary artery shunts are done as palliative procedures for complex cyanotic congenital heart diseases. Blalock-Taussig shunt (BT shunt) provide regulated blood flow to the lungs allowing growth of pulmonary arteries until the patient reaches proper age and body weight suitable for definitive corrective repair. BT shunts are first line management in patients with critical cyanotic conditions.Case: A 12-month-old boy diagnosed with PA-VSD subaortic, L-R shunt PDA and critical PDA stenosis experienced a recurrent spell condition with the lowest oxygen saturation 40%
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Illner, Julia, Holger Reinecke, Helmut Baumgartner, and Gerrit Kaleschke. "Stenting of modified Blalock–Taussig shunt in adult with palliated pulmonary atresia and ventricular septal defect: a case report." European Heart Journal - Case Reports 3, no. 4 (2019): 1–4. http://dx.doi.org/10.1093/ehjcr/ytz201.

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Abstract Background Adults with complex congenital heart disease palliated with systemic-to-pulmonary artery shunts have become rare and represent a particularly challenging patient group for the cardiologist. One of the complications and causes of severe clinical deterioration during long-term follow-up are progressive obstruction or total occlusion of the shunt. The risk for surgical intervention is frequently high and catheter intervention may be complicated by complex anatomy and shunt calcification. Case summary We report the case of a 47-year-old man with uncorrected (palliated) pulmonar
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Hiền, Nguyễn Sinh, та Tạ Hoàng Tuấn. "Đánh giá kết quả phẫu thuật bệnh thiểu sản động mạch phổi kèm thông liên thất (pa-vsd) tại bệnh viện Tim Hà Nội". Tạp chí Phẫu thuật Tim mạch và Lồng ngực Việt Nam 20 (2 листопада 2020): 88–94. http://dx.doi.org/10.47972/vjcts.v20i.92.

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Từ 1/ 2005- 10/2016, 188 bệnh nhân PAVSD đã được phẫu thuật tạm thời hoặc triệt để tại bệnh viện Tim Hà Nội. Tuổi trung bình 3,2 ± 1,5 ( 0,16-25 tuổi); Phân loại: Type I: 65(34,6%), type II: 56 (29,8%), type III: 47 (25%), Type IV: 20 (10,6%); Kỹ thuật: sửa toàn bộ 106 (56,4%), Hợp lưu MAPCAs + Sano shunt 16 (8,5%), Hợp lưu Mapcas + BT shunt 13 (6,9%), BT shunt 53 (28,2%). Tử vong sớm 8/188 (4,3%). Trong đó sửa toàn bộ 4/106 (3,8%), do hợp lưu Mapcas là 3/29 (10,3%), do BT shunt là 1/53 (1,9%). Tử vong muộn (sau 1 năm) 0,56%.
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Kouatli, Amjad, Jameel Al-Ata, M. Omar Galal, Muhammed A. Amin, and Arif Hussain. "Stent Implantation to Maintain Patency of a Stenosed Blalock Taussig Shunt." Asian Cardiovascular and Thoracic Annals 13, no. 3 (2005): 274–76. http://dx.doi.org/10.1177/021849230501300318.

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A 14-year-old female with complex congenital heart disease underwent a left-sided classical Blalock Taussig (BT) shunt 15 days after birth. Ten years after the operation her oxygen saturation had decreased significantly. An angiography revealed a severely stenosed BT shunt. Balloon dilation including implantation of a 6 × 13 mm stent was performed successfully. Immediately after intervention, oxygen saturation rose from 55% to 80 84% in room air. Follow-up at a year and a half later showed the classical BT shunt was still patent.
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El Wardani, Mohamad, Ciara Bergin, Kenza Bradly, and Eamon Sharkawi. "Baerveldt shunt surgery versus combined Baerveldt shunt and phacoemulsification: a prospective comparative study." British Journal of Ophthalmology 102, no. 9 (2017): 1248–53. http://dx.doi.org/10.1136/bjophthalmol-2017-310698.

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AimTo examine the efficacy and safety of Baerveldt tube (BT) implantation compared with combined phacoemulsification and Baerveldt tube (PBT) implantation in patients with refractory glaucoma.MethodsSeventy-six eyes of 76 patients were enrolled, 38 pseudophakic eyes underwent BT implantation alone and 38 phakic eyes underwent the BT implantation combined with phacoemulsification. Groups were matched for preoperative intraocular pressure (IOP) and number of glaucoma medications. Preoperative and postoperative measures recorded included patient demographics, visual acuity (VA), IOP, number of an
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McVea, Steven, and Anne McGettrick. "Fifteen-minute consultation: Assessing the child with a Blalock-Taussig shunt who is unwell in a district general hospital." Archives of disease in childhood - Education & practice edition 105, no. 3 (2019): 142–46. http://dx.doi.org/10.1136/archdischild-2018-315875.

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Univentricular heart disease accounts for ~1.25% of all congenital heart disease. Such cases remain among the most challenging to manage, typically requiring a three-staged palliation. The first stage involves placement of a systemic to pulmonary shunt. While a variety of shunt types, including ductal stenting, can be used to manage univentricular conditions, the archetype remains the Blalock-Taussig (BT) shunt. While waiting future palliative intervention at home, intercurrent illness may necessitate presentation to a district general hospital where subspecialist advice and assessment is remo
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Ruffini, A., G. Perri, G. Brancaccio, et al. "SINGLE-CENTER EXPERIENCE OF NORWOOD PROCEDURE FOR HYPOPLASTIC LEFT HEART SYNDROME: BLALOCK-TAUSSIG SHUNT OR RIGHT VENTRICLE–PULMONARY ARTERY CONDUIT?" Journal of Cardiovascular Medicine 25, Supplement 1 (2024): e41. https://doi.org/10.2459/01.jcm.0001096612.96579.89.

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Background and Aim: Norwood procedure is used as first stage palliation in hypoplastic left heart syndrome (HLHS) or other single-ventricle lesions with systemic outflow obstruction. Evolution of this technique was focused to define the source of pulmonary blood supply. Aim of this study was to compare early and late results of Norwood using either Blalock- Taussig (BT) shunt or a right ventricle–pulmonary artery (RV-PA) conduit. Methods: A retrospective review of 76 patients, who underwent Norwood procedure from February 2013 to July 2024 at Bambino Gesù Children’s Hospital, was done. 24 infa
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ZHAO, XI, YOUJUN LIU, JINLI DING, et al. "HEMODYNAMIC EFFECTS OF THE ANASTOMOSES IN THE MODIFIED BLALOCK–TAUSSIG SHUNT: A NUMERICAL STUDY USING A 0D/3D COUPLING METHOD." Journal of Mechanics in Medicine and Biology 15, no. 01 (2015): 1550017. http://dx.doi.org/10.1142/s0219519415500177.

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The modified Blalock–Taussig (BT) shunt is a palliative surgery which can help the tetralogy of Fallot (TOF) patient increase the blood oxygen saturation by interposing a systemic-to-pulmonary artery shunt. Two typical anastomotic shapes are frequently used in clinical practice: the end-to-side (ETS) and the side-to-side (STS) anastomosis. This paper examines the hemodynamic influence of the anastomotic shape in the modified BT shunt. Three models with different anastomotic shapes were reconstructed. The ETS anastomoses were applied in the first model. For the innominate artery (IA) and the pu
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Doble, Mukesh, Nilesh Makadia, Sreeja Pavithran, and R. Suresh Kumar. "Analysis of explanted ePTFE cardiovascular grafts (modified BT shunt)." Biomedical Materials 3, no. 3 (2008): 034118. http://dx.doi.org/10.1088/1748-6041/3/3/034118.

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Babu, Jecco Ani, Swaminathan Vaidyanathan, Neville Solomon, and Janeel Musthafa. "Main pulmonary artery swing back for univentricular heart." International Surgery Journal 8, no. 9 (2021): 2799. http://dx.doi.org/10.18203/2349-2902.isj20213620.

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Left pulmonary artery (LPA) surgical arterioplasty done for juxtaductal pulmonary artery coarctation is a challenging technique that has often produced unsatisfactory outcomes because of poor outcome later and incomplete understanding of the evolution of structural changes in these vessels. We report a unique technique for LPA plasty involving main pulmonary artery (MPA) swing back, in a toddler who presented with history of increased work of breathing, cyanosis and failure to thrive since birth, where the MPA was detached and was swung back cranially to be anastomosed to LPA. This technique c
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Book chapters on the topic "BT shunt"

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Eghtesady, Pirooz, and Mohammed Said Ghanamah. "Fallot: Palliation with BT Shunt." In Surgery of Conotruncal Anomalies. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-23057-3_11.

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Conference papers on the topic "BT shunt"

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Hess, Thomas, Ramesh Agarwal, and David Hoganson. "Numerical Simulation and Optimization of Blalock-Taussig Shunt." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-4784.

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Abstract The goal of this study is to create an optimized Blalock-Taussig shunt used to temporarily repair pulmonary vascular blockages allowing a child time to grow so a more permanent surgical repair of the heart and vasculature can be performed. Blalock-Taussig or BT shunts are a surgical procedure performed on infants suffering from cyanosis or “Blue Baby Syndrome.” A BT shunt is an artificial vessel placed between the right ventricle and the pulmonary artery to increase blood flow in the lung and blood oxygen saturation levels. In a study of 96 patients with currently in use modified BT s
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Lin, Zhenghao, Ramesh K. Agarwal, Vijay Govindarajan, Noah Schultz, David Hoganson, and Peter Hammer. "CFD Evaluation of Blood Flow in an Improved Blalock-Taussig Shunt Using Patient Specific Geometries." In ASME 2020 Fluids Engineering Division Summer Meeting collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/fedsm2020-20048.

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Abstract Blalock-Taussig (BT) Shunt is a palliative surgical procedure used during a Norwood surgery on a newborn baby suffering from cyanotic heart defects. The BT Shunt can increase blood flow in patients’ pulmonary artery which can ease the “Blue Baby Syndrome.” Currently used BT Shunts do not produce a balanced flow distribution to the pulmonary arteries (PAs) which can cause high wall shear stress (WSS) and blood flow separation resulting in blood clots. A modified BT Shunt was designed to partially solve this problem. In our previous work [1], the modified BT Shunt was shown by numerical
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Moghadam, Mahdi Esmaily, Tain-Yen Hsia, Bari Murtuza, and Alison Marsden. "Study of Multiple Systemic-to-Pulmonary Shunts in Single Ventricle Hearts." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80770.

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For newborns diagnosed with single ventricle hearts and insufficient blood flow to the lungs, their lack of oxygen in the blood can be remedied with a modified Blalock-Taussig shunt (BTshunt) between the innominate and pulmonary artery. However, some surgeons prefer to have two systemic-to-pulmonary shunts, by either leaving the ductus arteriosus open or construct a second BT shunt, to provide additional pulmonary blood flow. There have been clinical reports of premature shunt occlusion when more than one shunt is employed, and a recent audit of shunt operations at a single institution has rev
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Biglino, Giovanni, Alessandro Giardini, Catriona Baker, et al. "Implementing the Sano Modification in an Experimental Model of the Norwood Circulation." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80273.

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Surgical palliation of hypoplastic left heart syndrome (HLHS) is performed in three stages, the first of which is known as the Norwood procedure [1]. Traditionally, this operation involves securing an unobstructed outlet for the systemic circulation in infants for whom the single right ventricle is the only pump in the system, with pulmonary flow sourced via a modified Blalock-Taussig (BT) shunt. In 2003, Sano et al. have proposed a radical variation of this operation, known as the Sano modification [2]. In this case, the pulmonary circulation is supplied directly from the systemic right ventr
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Serrano, Ryan, Greg Montgomery, Tisha Kivett, Mackenzie Madison, Timothy Hartman, and Michael Johansen. "Safety of Sildenafil Use in Patients with BT Shunt Dependent Congenital Heart Disease." In AAP National Conference & Exhibition Meeting Abstracts. American Academy of Pediatrics, 2021. http://dx.doi.org/10.1542/peds.147.3_meetingabstract.394.

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Biglino, Giovanni, Silvia Schievano, Catriona Baker, et al. "Designing a Patient-Specific Paediatric Mock Circulatory System to Study the Norwood Circulation." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53488.

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The Stage I of Fontan palliation for neonates with hypoplastic left heart syndrome, namely the Norwood procedure, aims to improve the flow of oxygenated blood in the systemic circulation while at the same time providing blood flow to the pulmonary circulation1. This surgical operation usually involves enlargement of the hypoplastic aorta by means of a patch, reconstruction of aortic coarctation and increase pulmonary flow. The latter point, at present, is achieved in three different ways: i) a Blalock-Taussig (BT) shunt from the innominate artery to the pulmonary artery, ii) an atrio-pulmonary
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Ceballos, Andres, Eduardo Divo, Ricardo Argueta-Morales, Christopher Calderone, Alain Kassab, and William DeCampli. "A Multi-Scale CFD Analysis of the Hybrid Norwood Palliative Treatment for Hypoplastic Left Heart Syndrome: Effect of Reverse Blalock-Taussing Shunt Diameter." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-66856.

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A multiscale model of the neonatal Hypoplastic Left Heart syndrome (HLHS) circulation following the Hybrid Norwood procedure was used to obtain systemic and pulmonary perfusion rates as well as detailed hemodynamics in the aortic arch region. The effects varying degrees of aortic arch stenosis, an obstruction to flow through the mid aortic arch, were studied. Implementation of a 3.0mm and 4.mm reverse-BT shunt (RBTS), a synthetic bypass from the main pulmonary to the innominate artery, and its effects on local and global hemodynamics were also studied.
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Kanaan, M., S. Ostermayer, B. Kosmac, and G. Kerst. "Management of Adult with Single Ventricle, Absence of Left Pulmonary Artery, and Severe Stenosis of the BT Shunt." In 56th Annual Meeting of the German Society for Pediatric Cardiology (DGPK). Georg Thieme Verlag KG, 2024. http://dx.doi.org/10.1055/s-0044-1780758.

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Marsden, Alison L., Mahdi Esmaily Moghadam, Weiguang Yang, et al. "A Coupled Computational Framework for Multiscale Modeling and Optimization of Single Ventricle Repair." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53759.

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Multiscale modeling provides a means to relate global response to local changes in geometry and hemodynamics in the circulatory system. In this work, we couple a customized lumped parameter network (LPN) representing the whole circulation (heart, systemic and pulmonary circulations) to three-dimensional finite element models of two stages of the single ventricle surgical pathway. A fully-coupled closed-loop approach is employed using custom codes with Neumann boundary conditions at the inlets and outlets. The methodology is described, and applied to two stages of single ventricle repair to ill
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Wang, Chunhui, and Ramesh K. Agarwal. "CFD Modeling of Blood Flow in a Bidirectional Glenn Shunt and a Combined Bidirectional Glenn and Blalock-Taussig Shunt." In ASME 2021 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/fedsm2021-65102.

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Abstract Cyanosis or “Blue Baby Syndrome,” is an infant disorder which affects the newly born babies whose skins turn blue or purple because of lack of required blood flow between heart and lung due to pulmonary vascular blockage. Many patients may also have stenosis in vessels. If there is not enough blood flow from heart to the lung, lack of oxygen will cause platelet aggregation and coagulation resulting in elevated wall shear stress which may potentially result in death. In order to address the congenital defect and increase blood flow and oxygen saturation levels within the blood pumping
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