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PDA stent

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https://www.readbyqxmd.com/read/29445470/emergency-transcatheter-closure-of-a-stented-pda-in-a-patient-with-pulmonary-atresia-and-intact-ventricular-septum-be-ready-for-the-unexpected
#1
Alessia Faccini, Gianfranco Butera
Patients with congenital heart disease and duct-dependent pulmonary circulation can undergo stenting of the patent ductus arteriosus (PDA). This case shows that, due to the physiological changes occurring after stent implantation, sometimes it is necessary to close the stented PDA rather than to redilate it.
February 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29199861/stenting-the-complex-patent-ductus-arteriosus-in-tetralogy-of-fallot-with-pulmonary-atresia-challenges-and-outcomes
#2
Rizwan Rehman, Mood Che Marhisham, Mazeni Alwi
Patent ductus arteriosus (PDA) stenting has gained acceptance for palliation in cyanotic congenital heart disease. The PDA in tetralogy of Fallot with pulmonary atresia (ToF-PA) arises, in the left aortic arch, from underneath the arch and connects to the proximal left pulmonary artery, often resulting in stenosis. The PDA is usually elongated and tortuous, making stent implantation challenging. Shorter duration of palliation, aggravation of branch pulmonary artery stenosis resulting in poor growth and difficulty at surgery makes ductal stenting controversial...
December 4, 2017: Future Cardiology
https://www.readbyqxmd.com/read/29181862/perforation-and-right-ventricular-outflow-tract-stenting-alternative-palliation-for-infants-with-pulmonary-atresia-ventricular-septal-defect
#3
David Aurigemma, John W Moore, Gabrielle Vaughn, Nasser Moiduddin, Howaida G El-Said
BACKGROUND: Right ventricular outflow tract (RVOT) stents have been used as palliation in patients with severe tetralogy of Fallot (TOF). Radiofrequency perforation of the RVOT has also been described in patients with pulmonary atresia (PA)/ventricular septal defect (VSD). However, RVOT stenting in conjunction with radiofrequency perforation as a means for establishing reliable pulmonary blood flow in patients with PA/VSD has not previously been reported. OBJECTIVES: Our aim is to report our experience with using perforation of plate-like pulmonary valve atresia combined with stenting of RVOT as an alternative and equally efficacious intervention for infants with PA/VSD, as compared to a surgical pulmonary artery shunt (SPS)...
November 27, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/29042354/comparison-between-patent-ductus-arteriosus-stent-and-modified-blalock-taussig-shunt-as-palliation-for-infants-with-ductal-dependent-pulmonary-blood-flow-insights-from-the-congenital-catheterization-research-collaborative
#4
Andrew C Glatz, Christopher J Petit, Bryan H Goldstein, Michael S Kelleman, Courtney E McCracken, Alicia McDonnell, Timothy Buckey, Christopher E Mascio, Subi Shashidharan, R Allen Ligon, Jingning Ao, Wendy Whiteside, W Jack Wallen, Christina M Metcalf, Varun Aggarwal, Hitesh Agrawal, Athar M Qureshi
BACKGROUND: Infants with ductal-dependent pulmonary blood flow may undergo palliation with either a patent ductus arteriosus (PDA) stent or a modified Blalock-Taussig (BT) shunt. A balanced multicenter comparison of these 2 approaches is lacking. METHODS: Infants with ductal-dependent pulmonary blood flow palliated with either a PDA stent or a BT shunt from January 2008 to November 2015 were reviewed from the 4 member centers of the Congenital Catheterization Research Collaborative...
February 6, 2018: Circulation
https://www.readbyqxmd.com/read/28707137/surface-modification-of-esophageal-stent-materials-by-a-polyethylenimine-layer-aiming-at-anti-cancer-function
#5
Kun Zhang, Yuxin Bai, Xiaofeng Wang, Qian Li, Fangxia Guan, Jingan Li
Esophageal cancer is difficult to cure globally and possesses high mortality rate, and it is generally accepted that palliative care such as stent implantation is the main therapy method for esophageal cancer in later period. However, the restenosis caused by tumor cells and inflammatory cells seriously interferes the stent clinical application and limits its long-term services. To solve this problem, series of drug delivery stents were developed and proven rather effective in the early stage of implantation, but more serious restenosis occurred after the drug delivery was over, which endangered the patients' life...
August 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28691263/stenting-the-vertical-ductus-arteriosus-via-axillary-artery-access-using-wire-target-technique
#6
Tugcin Bora Polat
OBJECTIVES: To retrospectively review the outcome of stent placement in neonates with a vertical ductus, present a technique of ductal stenting via the axillary artery and compare it to ductal stening via the femoral venous access. DESIGN: Nineteen patients with duct-dependent pulmonary circulations through a vertical ductus arteriosus were treated with stent implantation. Those patients were retrospectively included in the study. In the first nine of these cases, stent delivery was done transvenously...
July 9, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28629023/heparin-dna-aptamer-co-assembled-multifunctional-catecholamine-coating-for-epc-capture-and-improved-hemocompatibility-of-vascular-devices
#7
Jinchuan Deng, Shuheng Yuan, Xin Li, Kebing Wang, Lingxia Xie, Na Li, Jin Wang, Nan Huang
Good hemocompatibility and rapid endothelialization are two key factors in the success of stent interventional therapy. In this study, aptamers with the ability to capture endothelial progenitors and anticoagulant molecular heparin were successfully immobilized on the surface of dopamine/polyethylenimine (PDA/PEI) copolymer coating via electrostatic interaction. The results of X-ray spectroscopy (XPS), water contact angle (WCA), and immunofluorescence staining tests confirmed the successful introduction of heparin and aptamers...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28544242/percutaneous-thoracic-aortic-aneurysm-repair-through-transcaval-aortic-access
#8
Zaher Fanari, Sumaya Hammami, Nilesh J Goswami, Jeffrey A Goldstein
Transcaval aortic access has been used for deployment of transcatheter aortic valves in patients in whom conventional arterial approaches are not feasible. This access can be vital in other situation when large bore access is needed. We described a case of 65-year-old man who had large thoracic descending aortic aneurysm with diffuse bilateral iliac disease precluding the arterial access required for the procedure. The patient underwent successful transcaval access with placement of 22-Fr balloon expandable sheath followed with successful deployments of 32 mm × 32 mm × 150 mm Valiant stent graft (Medtronic, Minneapolis, MN)...
May 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28329111/hypoplastic-left-heart-syndrome-a-novel-surgical-strategy-for-small-volume-centres
#9
Margaux Pontailler, Régis Gaudin, Marien Lenoir, Ayman Haydar, Diala Kraiche, Damien Bonnet, Pascal Vouhé, Olivier Raisky
OBJECTIVES: We describe in a prospective study, a novel surgical technique for the management of hypoplastic left heart syndrome inspired by the hybrid Norwood approach. METHODS: This new neonatal palliation comprises replacement of the patent ductus arteriosus (PDA) and aortic arch plasty with a pulmonary homograft associated with the banding of both pulmonary arteries and atrial septectomy, under cardiopulmonary bypass without aortic clamping and cardioplegia...
May 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28290842/-serial-assessment-of-transthoracic-coronary-flow-reserve-as-method-of-assessing-efficacy-of-intracoronary-intervention-in-the-left-anterior-and-posterior-descending-arteries
#10
A A Boshchenko, A V Vrublevsky, R S Karpov
Transthoracic echocardiography (TTE) has been described as an accurate technique for noninvasive evaluation of coronary flow reserve (CFR) of the left anterior descending artery (LAD) and posterior descending artery (PDA). Aim of this study was to find out whether serial measurement of CFR in LAD and PDA using TTE allows detection of stenosis elimination after intracoronary intervention and is a marker of successful procedure. METHODS: The study group comprised 14 patients with single-vessel coronary disease (stenosis 82+/-14%) of the LAD (9 patients) or right coronary artery (RCA, 5 patients) scheduled for stent implantation...
June 2016: Kardiologiia
https://www.readbyqxmd.com/read/27931595/transcatheter-closure-of-patent%C3%A2-ductus%C3%A2-arteriosus-in-extremely%C3%A2-premature%C3%A2-newborns-early-results-and-midterm-follow-up
#11
Evan M Zahn, Daniel Peck, Alistair Phillips, Phillip Nevin, Kaylan Basaker, Charles Simmons, Marion E McRae, Tracy Early, Ruchira Garg
OBJECTIVES: The goal of this study was to describe early and midterm outcomes of extremely premature newborns (EPNs) who underwent transcatheter echocardiographically guided patent ductus arteriosus (PDA) closure. BACKGROUND: Surgical ligation of PDA in EPNs confers significant risk for procedural morbidity and adverse long-term outcomes. METHODS: The Amplatzer Vascular Plug II was used in all cases. Post-ligation syndrome was defined using previously published parameters...
December 12, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27713613/young-adult-patent-ductus-arteriosus-treated-with-endovascular-stent-grafting
#12
Pin-Hung Liu, Pei-Leun Kang, Yu-Hsin Lin
Endovascular stent-grafting is an alternative treatment for adult patent ductus arteriosus (PDA), especially in elderly patients. Regarding young adults, endovascular therapy is a reasonable choice if the landing zone is sufficient. In this study, we report on a young adult with PDA successfully treated with endovascular stent-grafting.
September 2016: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/27684285/new-generation-of-gold-nanoshell-coated-esophageal-stent-preparation-and-biomedical-applications
#13
Jibin Song, Hao Hu, Chao Jian, Kaichun Wu, Xiaoyuan Chen
Esophageal cancer is one of the six most common cancers in the world, constituting ∼7% of the gastrointestinal cancers. Esophageal stents can be inserted into the esophagus to open the pathway as a palliative treatment for advanced esophageal cancer. For the treatment of esophageal cancer, a series of anticancer drug-loaded stents such as paclitaxel or 5-fluorouracil/esophageal stent combinations have been prepared by covering a nitinol stent with a polymer or hydrogel shell. For the first time, we developed a gold nanoshell (AuNS)-coated stent with high photothermal efficiency and used in the repetitive photothermal therapy of esophageal cancer...
October 5, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27516058/interventional-re-opening-of-a-pda-for-reverse-potts-shunt-circulation-after-ado-i-implantation-in-a-child
#14
Stephan Schubert, Björn Peters, Felix Berger
We report interventional re-opening of a PDA for reverse Potts shunt circulation 12 months after closure in a 3.8 year old child, suffering from right ventricular (RV) failure due to suprasystemic pulmonary artery hypertension (PAH) after ADO I implantation. After ex vivo simulation, perforation through the mesh of the ADO I with the use of transseptal needle, wire looping (AO-PA), balloon dilatation, stent implantation (Palmaz 6 mm) and post dilatation, a reverse Pott-shunt circulation was established. A follow-up period of 11 months was achieved with preserved RV function and reverse Pott shunt circulation maintained a post ductal saturation of 94-88%...
March 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27011694/a-novel-method-of-creation-of-a-fenestration-in-nitinol-occluder-devices-used-in-closure-of-hypertensive-patent-arterial-ducts
#15
Anil Kumar Singhi, Kothandam Sivakumar
Test occlusion with a balloon is done to predict operability of large hypertensive patent ductus arteriosus (PDA). If the fall in the pulmonary artery pressures is inadequate, a complete closure is not desired. To create a predictable premeasured fenestration in a nitinol occluder device used for closing hypertensive PDA. A large nitinol occluder device was punctured with an 18G needle to advance a 0.035˝ stiff guide wire through the occluder before loading it into the delivery system. The occluder with the guidewire was then deployed across the PDA...
January 2016: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/26983665/retrievable-stent-assisted-coiling-technique-using-a-solitaire-stent-treatment-of-pancreaticoduodenal-artery-aneurysm-associated-with-celiac-artery-occlusion
#16
Bekir Sanal, Omer Fatih Nas, Kadir Hacikurt, Bahattin Hakyemez, Cuneyt Erdogan
True aneurysm of pancreaticoduodenal arcade (PDA) is usually accompanied by stenosis or occlusion of celiac trunk (CeT). The up-to-date and first choice treatment modality of PDA aneurysm is the endovascular approach in nearly all cases except few selected ones necessitating surgery. The main approach in endovascular treatment is embolization of the aneurysm by preserving the parent artery. A case with concomitant CeT occlusion and PDA aneurysm was treated with coil embolization by preserving inferior pancreaticoduodenal artery with retrievable Solitaire(®) stent...
February 2016: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/26697954/percutaneous-carotid-artery-access-in-infants-%C3%A2-3-months-of-age
#17
Swati Choudhry, David Balzer, Joshua Murphy, Ramzi Nicolas, Shabana Shahanavaz
BACKGROUND: Carotid artery access in infants with congenital heart disease undergoing cardiac catheterization via a surgical cut down has been well described. There is a paucity of information regarding percutaneous carotid artery (CA) access in infants <3 months. METHODS: A retrospective review of infants <3 months of age undergoing cardiac catheterization via percutaneous CA approach was performed after IRB approval. Between January 2012 and May 2015, 18 patients underwent 20 procedures; median age 13 days (2-77); median weight 3...
March 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/26423273/inadvertent-ligation-of-the-left-pulmonary-artery-during-intended-ductal-ligation
#18
Endale Tefera, Ramon Bermudez-Cañete, Carin van Doorn
BACKGROUND: Inadvertent ligation of the left pulmonary artery during attempted surgical closure of a Patent Ductus Arteriosus has long been recognized as one of the less common complications of this procedure. Surgical reconstruction of the left pulmonary artery was then often attempted but was difficult or impossible in some of the patients with hypoplasia of the left pulmonary artery and the left lung. CASE PRESENTATION: A 10-year-old girl presented with marked exercise intolerance and palpitations and was diagnosed to have large PDA...
September 30, 2015: BMC Research Notes
https://www.readbyqxmd.com/read/26345436/use-of-a-stent-graft-for-patent-ductus-arteriosus-in-an-octogenarian-eliminates-ductus-flow
#19
Wataru Tatsuishi, Go Kataoka, Ryota Asano, Atsuhiko Sato, Kiyoharu Nakano
Closure of a patent ductus arteriosus (PDA) in the elderly is a high-risk procedure because of tissue fragility and many possible complications. The patient in our case was an 81-year-old woman with a window-type PDA caused by cardiac failure. Based on the anatomy of the PDA and aorta and to minimize invasion, we used a stent graft to close the PDA. This approach was successful; hemodynamics improved and ductus flow was eliminated during the follow-up period without intervention from the pulmonary artery side...
June 20, 2016: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/26215925/tailoring-the-hybrid-palliation-for-hypoplastic-left-heart-syndrome-a-simulation-study-using-a-lumped-parameter-model
#20
A Di Molfetta, M Pilati, M G Gagliardi, L Fresiello, A Amodeo, A Cristofaletti, G Pongiglione, G Ferrari
The results of Hybrid procedure (HP) for the hypoplastic left heart syndrome (HLHS) depend on several variables: pulmonary artery banding tightness (PAB), atrial septal defect size (ASD) and patent ductus arteriosus stent size (PDA). A HP complication could be the aortic coarctaction (CoAo). The reverse Blalock-Taussig shunt (RevBT) placement was proposed to avoid CoAo effects. This work aims at developing a lumped parameter model (LPM) to investigate the effects of the different variables on HP haemodynamics...
September 2015: Medical Engineering & Physics
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