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left main stenting

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https://www.readbyqxmd.com/read/28319567/treatment-of-biliary-stricture-after-live-donor-liver-transplantation-with-combined-metal-and-plastic-stent-%C3%A4-nsertion-a-feasibility-and-safety-study
#1
Erkan Parlak, Aydin Seref Koksal, Ahmet Tarik Eminler, Bilal Toka, Mustafa Ihsan Uslan
BACKGROUND: Fully covered-self expandable metal stents (Fc-SEMSs) have a challenging use in the treatment of anastomosis strictures (ASs) after live donor liver transplantation (LDLT) because they can occlude secondary branch biliary ducts when placed above the biliary bifurcation. In this study we evaluated the technical feasibility and safety of combining Fc-SEMSs with plastic stent(s) inserted to the secondary branch biliary ducts for the treatment of ASs after LDLT. METHODS: The study group included 22 patients (12 men, aged 51±11 years) with anastomotic biliary stricture after LDLT...
March 18, 2017: Transplantation
https://www.readbyqxmd.com/read/28314673/can-we-perform-rotational-atherectomy-in-patients-with-severe-aortic-stenosis-substudy-from-the-ocean-tavi-registry
#2
Toru Naganuma, Hiroyoshi Kawamoto, Kensuke Takagi, Hiroto Yabushita, Satoru Mitomo, Yusuke Watanabe, Shinichi Shirai, Motoharu Araki, Norio Tada, Futoshi Yamanaka, Masanori Yamamoto, Hirokazu Onishi, Sunao Nakamura, Akihiro Higashimori, Minoru Tabata, Kazuki Mizutani, Hiroshi Ueno, Kentaro Hayashida
PURPOSE: The aim of this study was to report the safety of coronary rotational atherectomy (RA) in patients with severe aortic stenosis (AS). RA in the clinical setting seems challenging because coronary slow flow leads to hemodynamic instability. METHODS: Between October 2013 and May 2016, 1401 patients in the Optimized transCathEter vAlvular iNtervention (OCEAN) registry in Japan underwent transcatheter aortic valve implantation (TAVI). The primary study endpoint was procedural success, defined as residual stenosis <20% with final Thrombolysis in Myocardial Infarction flow 3...
February 28, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28314672/fenestration-of-a-papyrus-pk-covered-stent-to-recover-the-occluded-left-main-bifurcation-after-sealing-a-left-main-perforation-during-a-cto-procedure
#3
Gerald S Werner, Waqar H Ahmed
Covered stents are indicated for coronary perforations, but they may seal off major side branches in that process. We report the successful sealing of an ostial left main perforation, induced by a guide catheter in the course of a retrograde approach to treat a chronic total occlusion (CTO) of the right coronary artery (RCA) in a 76year old woman with prior CABG. The implanted Papyrus covered stent, however, overlapped the left main bifurcation and occluded the non-grafted circumflex artery (CX) resulting in acute ischemia...
March 6, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28296170/percutaneous-coronary-intervention-or-coronary-artery-bypass-grafting-for-unprotected-left-main-coronary-artery-disease
#4
Ahmed N Mahmoud, Islam Y Elgendy, Amgad Mentias, Marwan Saad, Walid Ibrahim, Mohammad K Mojadidi, Ramez Nairooz, Parham Eshtehardi, R David Anderson, Habib Samady
BACKGROUND: Recent trials comparing PCI with CABG for unprotected left main disease yielded discrepant evidence. OBJECTIVES: To perform an updated meta-analysis of randomized trials comparing percutaneous coronary intervention (PCI) with coronary artery bypass grafting (CABG) in patients with unprotected left main coronary artery disease. METHODS: Randomized trials comparing PCI versus CABG for patients with unprotected left main coronary artery disease were included...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28290908/-coronary-angioplasty-and-stenting-in-patients-older-than-80-years-immediate-and-long-term-results
#5
A M Babunashvili, D P Dundua, D S Kartashov, A A Bazarnova, A Yu Korenevich, M E Vetluzhskikh
AIM: to assess immediate and long-term results of coronary angioplasty and stenting in patients older than 80 years - a high risk group in view of the severity of concomitant pathology and extent of coronary atherosclerosis. MATERIAL AND METHODS: We conducted retrospective analysis of data from 167 patients older than 80 years (mean age 81.43+/-2.14 years) subjected to percutaneous coronary intervention from 2006 to 2013 (3.2% from total number of patients). Multivessel involvement was present in 128 patients (76...
July 2016: Kardiologiia
https://www.readbyqxmd.com/read/28274573/in-hospital-and-1-year-outcomes-of-rotational-atherectomy-and-stent-implantation-in-patients-with-severely-calcified-unprotected-left-main-narrowings-from-the-multicenter-rotate-registry
#6
Alfonso Ielasi, Hiroyoshi Kawamoto, Azeem Latib, Giacomo G Boccuzzi, Gennaro Sardella, Roberto Garbo, Emanuele Meliga, Fabrizio D'Ascenzo, Patrizia Presbitero, Sunao Nakamura, Antonio Colombo
Heavily calcified unprotected left main (ULM) disease continues to be a challenging situation and represent a high-risk subset for interventional cardiologist. To date, there are limited data investigating the results after rotational atherectomy (RA) in this setting. The aim of this study was to investigate the in-hospital and 1-year outcomes after RA of heavily calcified ULM lesions. A retrospective cohort analysis was performed on all calcified patients with ULM (n = 86) enrolled in the multicenter international ROTATE registry (overall patients, n = 962)...
February 9, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28269012/cfd-analysis-of-strut-influence-on-blood-flow-in-stent-implanted-left-main-coronary-artery-bifurcation
#7
Yuya Yamada, Takahiro Tsukahara, Masahiro Motosuke, Yusuke Fujino
We numerically studied blood flows in a simulated branching pipe of coronary artery bifurcation, which is affected by stent implantation. We found that stent struts provide effects as guide vanes and blockages on the flow into circumflex branch. The former effect increases the flow rate and shear stress on the arteriosclerosis-prone site. The blockage effect may overwhelm the guide effect depending on a strut position against the inflow.
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267960/meta-analysis-of-randomized-control-trials-comparing-drug-eluting-stents-versus-coronary-artery-bypass-grafting-for-significant-left-main-coronary-narrowing
#8
Cheng Qian, Hong Feng, Jianlei Cao, Baozhu Wei, Yanggan Wang
Previous meta-analyses showed that drug-eluting stent (DES) implantation may serve as an alternative to coronary artery bypass grafting (CABG) for unprotected left main coronary artery (ULMCA) stenosis, largely driven by data from registries. Hence, we performed a meta-analysis of randomized controlled trials (RCTs) to overcome this limitation. PubMed, the Cochrane Library, and Scopus were systematically searched through October 2016 to identify eligible RCTs. The primary outcomes were major adverse cardiac and cerebrovascular events (MACCE) at 1-year and long-term (≥3 years) follow-ups...
February 10, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28241294/in-left-main-cad-pci-with-everolimus-eluting-stents-was-noninferior-to-cabg-for-death-mi-or-stroke-at-3-years
#9
Eric R Bates
No abstract text is available yet for this article.
February 21, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28228950/outcomes-of-coronary-artery-bypass-grafting-versus-percutaneous-coronary-intervention-with-second-generation-drug-eluting-stents-for-patients-with-multivessel-and-unprotected-left-main-coronary-artery-disease
#10
Kyriacos Papadopoulos, Ioannis Lekakis, Evagoras Nicolaides
OBJECTIVES: To compare the efficacy and safety of percutaneous coronary intervention using second-generation drug-eluting stents with those of coronary artery bypass grafting among patients with multivessel disease and/or unprotected left main coronary artery disease in terms of mortality, myocardial infarction, repeat revascularization, and angina. BACKGROUND: Although coronary artery disease is a leading cause of death in the Western world and in many developing countries, its optimal treatment is still a matter of controversy...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28227224/cfd-analysis-of-strut-influence-on-blood-flow-in-stent-implanted-left-main-coronary-artery-bifurcation
#11
Yuya Yamada, Takahiro Tsukahara, Masahiro Motosuke, Yusuke Fujino, Yuya Yamada, Takahiro Tsukahara, Masahiro Motosuke, Yusuke Fujino, Takahiro Tsukahara, Yuya Yamada, Yusuke Fujino, Masahiro Motosuke
We numerically studied blood flows in a simulated branching pipe of coronary artery bifurcation, which is affected by stent implantation. We found that stent struts provide effects as guide vanes and blockages on the flow into circumflex branch. The former effect increases the flow rate and shear stress on the arteriosclerosis-prone site. The blockage effect may overwhelm the guide effect depending on a strut position against the inflow.
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226721/overcoming-spatio-temporal-limitations-using-dynamically-scaled-in-vitro-pc-mri-a-flow-field-comparison-to-true-scale-computer-simulations-of-idealized-stented-and-patient-specific-left-main-bifurcations
#12
Susann Beier, John Ormiston, Mark Webster, John Cater, Stuart Norris, Pau Medrano-Gracia, Alistair Young, Kathleen Gilbert, Brett Cowan, Susann Beier, John Ormiston, Mark Webster, John Cater, Stuart Norris, Pau Medrano-Gracia, Alistair Young, Kathleen Gilbert, Brett Cowan, Stuart Norris, Brett Cowan, Pau Medrano-Gracia, Kathleen Gilbert, Mark Webster, Alistair Young, Susann Beier, John Cater, John Ormiston
The majority of patients with angina or heart failure have coronary artery disease. Left main bifurcations are particularly susceptible to pathological narrowing. Flow is a major factor of atheroma development, but limitations in imaging technology such as spatio-temporal resolution, signal-to-noise ratio (SNRv), and imaging artefacts prevent in vivo investigations. Computational fluid dynamics (CFD) modelling is a common numerical approach to study flow, but it requires a cautious and rigorous application for meaningful results...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28223049/outcomes-of-coronary-artery-bypass-and-stents-for-unprotected-left-main-coronary-stenosis
#13
Yin-Shu Chang, Jia-Xiang Wang, Da-Wei Chang
BACKGROUND: This study assessed the short-, medium-, and long-term outcomes of coronary artery bypass grafting vs stenting for patients with unprotected left main coronary artery disease through a meta-analysis of randomized controlled trials. METHODS: PubMed, Embase, Scopus, Web of Science, Cochrane Library, and major conference proceedings databases were systematically searched for randomized controlled trials of coronary artery bypass grafting compared with stents in unprotected left main coronary artery disease...
February 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28220463/can-we-improve-the-outcomes-of-multivessel-disease-using-modified-syntax-and-residual-syntax-scores
#14
REVIEW
Alfredo E Rodriguez, Carlos Fernandez-Pereira, Juan Mieres, Javier Mendoza, Florencia Sartori
PURPOSE OF REVIEW: In spite of the benefits of drug eluting (DES), these advantages were not translated to better outcome when percutaneous coronary interventions (PCI) were compared with coronary artery bypass surgery. PCI strategy allowing stent deployment in all intermediate lesions including small vessels together with DES design may be the reasons of these findings. RECENT FINDINGS: Recently randomized and observational studies demonstrated using functional flow reserve analysis, residual Syntax score risk, or residual ERACI score after PCI that a reasonably incomplete revascularization was associated with good long-term outcome and low events rate at follow-up...
March 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28214141/feasibility-and-safety-of-same-day-discharge-after-complex-percutaneous-coronary-intervention-using-forearm-approach
#15
Michael Koutouzis, Aris Karatasakis, Emmanouil S Brilakis, Maria Agelaki, Christos Maniotis, Panagiotis Dimitriou, Efstathios Lazaris
OBJECTIVES: We sought to assess the feasibility and safety of same-day discharge (SDD) after complex percutaneous coronary intervention (PCI) using a forearm approach. BACKGROUND: SDD has been shown to be safe after elective, low-risk PCI. However, the feasibility and safety of SDD in more complex patients and lesions has received limited study. METHODS: We retrospectively reviewed 1190 elective PCIs that were performed between January 2013 and December 2015 at the Red Cross General Hospital...
February 8, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28195963/mediastinitis-following-endobronchial-ultrasound-guided-transbronchial-needle-aspiration
#16
Aruna Jahoor, Shekhar Ghamande, Shirley Jones, Carl Boethel, Heath D White
Mediastinitis is a rare complication of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA). Recent reports of infectious complications following EBUS-TBNA involved oropharyngeal bacteria. Here, we report 2 unusual cases of post-EBUS-TBNA mediastinitis involving Streptococcus pneumoniae and Pseudomonas aeruginosa, which were likely the result of direct inoculation of the organisms at the time of transbronchial needle aspiration. The first case was successfully treated with computed tomography-guided drainage and antibiotics, whereas the second case had >50% distal tracheal obstruction and near total occlusion of the left main stem bronchus, requiring rigid bronchoscopy, stent placement, debulking, and antibiotics...
February 10, 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28186284/coronary-obstruction-after-valve-in-valve-transcatheter-aortic-valve-implantation-salvage-with-stent-in-the-left-main-stem
#17
Lars Oliver Conzelmann, Uwe Mehlhorn, Claus Schmitt, Gerhard Schymik
No abstract text is available yet for this article.
February 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28168062/undilatable-stent-neoatherosclerosis-treated-with-ad-hoc-rotational-atherectomy
#18
Michael Koutouzis, Maria Agelaki, Christos Maniotis, Ioannis Tsiafoutis, Vasileios Patris, Mihalis Argyriou
A middle age woman with known ischemic heart disease and old stents in proximal left anterior descending coronary artery (LAD) was admitted to Coronary Care Unit with acute coronary syndrome. The coronary angiography showed one vessel disease with significant restenosis within the previously implanted stents. The lesion was tough and remained undilatable despite high pressure balloon inflation. Eventually, the balloon ruptured creating a massive dissection of the LAD beginning immediately after the distal part of the undilatable lesion...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28165613/outcomes-of-coronary-artery-bypass-graft-surgery-versus-drug-eluting-stents-in-older-adults
#19
Mineok Chang, Cheol Whan Lee, Jung-Min Ahn, Rafael Cavalcante, Yohei Sotomi, Yoshinobu Onuma, Duk-Woo Park, Soo-Jin Kang, Seung-Whan Lee, Young-Hak Kim, Seong-Wook Park, Patrick W Serruys, Seung-Jung Park
OBJECTIVES: Little data are available to compare coronary artery bypass graft surgery (CABG) vs percutaneous coronary intervention (PCI) with drug-eluting stents (DES) in older adults. We evaluate the long-term outcomes of CABG vs PCI with DES in older adults with left main or multivessel coronary artery disease (CAD). DESIGN: Individual patient-level meta-analysis. SETTINGS: Databases from the BEST, PRECOMBAT, and SYNTAX trials were combined...
February 6, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28161261/incomplete-revascularization-is-associated-with-an-increased-risk-for%C3%A2-major-adverse-cardiovascular-events%C3%A2-among-patients-undergoing-noncardiac-surgery
#20
Ehrin J Armstrong, Laura A Graham, Stephen W Waldo, Javier A Valle, Thomas M Maddox, Mary T Hawn
OBJECTIVES: The aim of this study was to determine whether incomplete revascularization is associated with a higher risk for major adverse cardiovascular events (MACE) and myocardial infarction (MI) among patients undergoing noncardiac surgery. BACKGROUND: Patients with coronary artery disease and prior percutaneous coronary intervention (PCI) frequently undergo noncardiac surgery. These patients may have had PCI either on all obstructive lesions (i.e., complete revascularization) or only on some (i...
February 27, 2017: JACC. Cardiovascular Interventions
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