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Bifurcation stenting

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https://www.readbyqxmd.com/read/29340277/comparative-computed-flow-dynamic-analysis-of-different-optimization-techniques-in-left-main-either-provisional-or-culotte-stenting
#1
Gianluca Rigatelli, Fabio Dell'Avvocata, Marco Zuin, Sara Giatti, Khanh Duong, Trung Pham, Nguyen Si Tuan, Dobrin Vassiliev, Ramesh Daggubati, Thach Nguyen
Background and Objectives: Provisional and culotte are the most commonly used techniques in left main (LM) stenting. The impact of different post-dilation techniques on fluid dynamic of LM bifurcation has not been yet investigated. The aim of this study is to evaluate, by means of computational fluid dynamic analysis (CFD), the impact of different post-dilation techniques including proximal optimization technique (POT), kissing balloon (KB), POT-Side-POT and POT-KB-POT, 2-steps Kissing (2SK) and Snuggle Kissing balloon (SKB) on flow dynamic profile after LM provisional or culotte stenting...
December 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/29336945/current-treatment-of-significant-left-main-coronary-artery-disease-a-review
#2
REVIEW
Mariama Akodad, Marie-Claude Morice
Though infrequent, left main stenosis has a major prognostic impact. The management of left main disease has evolved over the last few decades with the growing evidence of the efficacy and safety of percutaneous interventions, as attested by the most recent trials. However, mastery of the technical aspects of left main bifurcation stenting is essential in ensuring optimal results. This review focuses on recent data concerning left main angioplasty results as well as the current technical approaches.
January 5, 2018: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29336309/dedicated-bifurcated-balloon-for-coronary-bifurcation-lesions-a-pre-clinical-proof-of-concept
#3
Khalid Al-Saadon, Ghassan S Kassab, Gerard Finet, Rodrigo Bagur
AIMS: To address the limitations of the two-balloon system for kissing balloon inflation (KBI) for the treatment of coronary bifurcation lesions (CBL), we report a novel coronary dedicated bifurcated balloon (DBB) catheter system. METHODS AND RESULTS: The device has been developed to follow the bifurcation geometry according to scaling laws of coronary anatomy. In an in vivo study, the DBB catheter was compared to the KBI technique in post-stent deployment of a bifurcation of a normal swine...
January 16, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29328523/improved-portal-vein-venoplasty-with-autogenous-patch-in-pediatric-living-donor-liver-transplantation
#4
Mingxuan Feng, Ping Wan, Bijun Qiu, Tao Zhou, Yi Luo, Lihong Gu, Jiachang Chi, Chengpeng Zhong, Yefeng Lu, Jianjun Zhang, Qiang Xia
BACKGROUND: An atretic or hypoplastic portal vein (PV) represents a challenge for PV reconstruction in pediatric living donor liver transplantation (LDLT). Several PV venoplastic techniques have been developed. However, we still seek improved venoplastic techniques with better efficacy and compatibility. METHOD: From June 2016 to July 2017, 271 LDLT procedures were performed at the Department of Liver Surgery, Ren Ji Hospital. A total of 16 consecutive children with atretic and sclerotic PVs underwent a novel technique - the autogenous PV patch plastic technique...
January 12, 2018: Liver Transplantation
https://www.readbyqxmd.com/read/29326378/the-casper-stent-system-for-carotid-artery-stenosis
#5
Sebastian J Mutzenbach, Katharina Millesi, Cornelia Roesler, Erasmia Broussalis, Slaven Pikija, Johann Sellner, Lukas Machegger, Christoph J Griessenauer, Monika Killer-Oberpfalzer
PURPOSE: To report the results of a retrospective analysis of prospectively collected data evaluating the safety and efficacy of a double layer stent engineered for carotid artery occlusive disease. METHODS: Between January 2014 and February 2017, 138 patients (25.4% women; median age 71 years) underwent Casper stent implantation for carotid artery stenosis. Eligibility criteria included stenosis >70% of vessel diameter (or >50% diameter with ulceration) in symptomatic patients or asymptomatic patients with >80% stenosis at the carotid bifurcation or in the proximal internal carotid artery...
January 11, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29321037/acute-aortoiliac-occlusive-disease-during-percutaneous-transluminal-angioplasty-in-the-setting-of-st-elevation-myocardial-infarction-a-case-report
#6
Anthony H Kashou, Nabil Braiteh, Ali Zgheib, Hisham E Kashou
BACKGROUND: Aortoiliac occlusive disease, which is also referred to as Leriche syndrome, is a chronic atherosclerotic occlusive disease that occurs at the level of the aortic bifurcation. It is often thought to present with a triad of clinical symptoms: (1) intermittent lower extremity vascular claudication, (2) impotence, and (3) weak/absent femoral pulses. CASE PRESENTATION: We report a case of a 47-year-old Caucasian woman who presented with an acute inferior ST-elevation myocardial infarction...
January 11, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29318353/the-barrel-vascular-reconstruction-device-a%C3%A2-retrospective-observational-multicentric-study
#7
C Kabbasch, A Mpotsaris, V Maus, J C Altenbernd, C Loehr
BACKGROUND AND PURPOSE: The Barrel device is an electrolytically detachable laser cut, closed-cell microstent that is used for neck reconstruction in wide-necked bifurcation and branching aneurysms to support coiling. The key feature is a barrel section that herniates over the aneurysmal ostium. The objective was to evaluate the safety, feasibility and the immediate and mid-term occlusion results of this new device. MATERIAL AND METHODS: The databases of two tertiary care centers were screened for all Barrel-based stent-assisted intracranial coil embolization of wide-necked aneurysms between June 2015 and September 2016...
January 9, 2018: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29314555/lost-and-found-coronary-stent-retrieval-and-review-of-literature
#8
Shahbaz A Malik, Emmanouil S Brilakis, Vincent Pompili, Yiannis S Chatzizisis
A 61-year-old man with a history of percutaneous coronary intervention (PCI) of the mid right coronary artery (RCA) with a drug eluting stent (DES), presented with non-ST segment elevation myocardial infarction. Coronary angiography demonstrated complex disease of the distal RCA as well as in-stent stenosis of the previously placed mid RCA stent. The patient underwent bifurcation PCI of the distal RCA followed by attempted intervention with a DES on the mid RCA lesion. The stent could not cross the lesion and eventually became dissociated from its delivery system...
January 4, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29313456/up-and-over-technique-for-implantation-of-iliac-branch-devices-after-prior-aortic-endograft-repair
#9
David L Dawson, Giuliano de Almeida Sandri, Emanuel Tenorio, Gustavo S Oderich
PURPOSE: To describe a modified up-and-over access technique for treatment of iliac artery aneurysms in patients with prior bifurcated stent-grafts for endovascular aneurysm repair (EVAR). TECHNIQUE: This technique uses a coaxial 12-F flexible sheath that is docked with a through-and-through wire into a 7-F sheath advanced from the contralateral femoral approach. This maneuver allows both sheaths to be moved as a unit while maintaining position of the apex of the system as it loops over the flow divider, avoiding damage to or displacing the extant endograft...
December 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29311287/comparison-of-a-simple-angiographic-approach-with-a-synergy-between-percutaneous-coronary-intervention-with-taxus-and-cardiac-surgery-score-based-approach-for-left-main-coronary-artery-stenting-a-pooled-analysis-of-serial-precombat-premier-of-randomized-comparison
#10
Pil Hyung Lee, Jong-Young Lee, Cheol Whan Lee, Seon-Ok Kim, Jung-Min Ahn, Duk-Woo Park, Soo-Jin Kang, Seung-Whan Lee, Young-Hak Kim, Seong-Wook Park, Seung-Jung Park
BACKGROUND: The applicability of Synergy Between Percutaneous Coronary Intervention With Taxus and Cardiac Surgery scores to left main coronary artery disease (CAD) has been questioned. A simplified alternative is needed for guiding decision making. METHODS AND RESULTS: We evaluated the prognostic value of a simplified angiographic classification in comparison with a Synergy Between Percutaneous Coronary Intervention With Taxus and Cardiac Surgery score-based approach for patients with left main CAD undergoing drug-eluting stent implantation...
January 2018: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29306470/sex-differences-in-left-main-coronary-artery-stenting-different-characteristics-but-similar-outcomes-for-women-compared-with-men
#11
Eun-Seok Shin, Cheol Whan Lee, Jung-Min Ahn, Pil Hyung Lee, Mineok Chang, Min-Ju Kim, Sung-Han Yoon, Duk-Woo Park, Soo-Jin Kang, Seung-Whan Lee, Young-Hak Kim, Seong-Wook Park, Seung-Jung Park
BACKGROUND: The clinical outcomes for women compared with men undergoing left main PCI were sparse. We compared the characteristics and long-term outcomes in women versus men after percutaneous coronary intervention (PCI) with drug-eluting stents (DES) for unprotected left main CAD. METHODS: We identified 2328 patients (545 women; 1783 men) with unprotected left main CAD who received PCI with DES between January 2007 and December 2013 in the Interventional Cardiology Research In-cooperation Society-left MAIN revascularization (IRIS-MAIN) registry...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29290476/feasibility-study-of-a-novel-thoraco-abdominal-aortic-hybrid-device-spider-graft-in-a-translational-pig-model
#12
REVIEW
Eike S Debus, Tilo Kölbel, Anna Duprée, Günter Daum, Harleen L Sandhu, Daniel Manzoni, Sabine H Wipper
BACKGROUND: The hybrid SPIDER-graft consists of a proximal descending aortic stent graft and a conventional six branched Dacron graft for open abdominal aortic repair. Technical feasibility with regard to avoiding thoracotomy and extracorporeal circulation (ECC) during thoraco-abdominal aortic hybrid repair and peri-procedural safety of this novel device are unknown. MATERIAL AND METHODS: This was a feasibility and safety study in domestic pigs (75-85 kg). The abdominal aorta including iliac bifurcation, left renal artery, and visceral arteries were exposed via retroperitoneal access...
December 28, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29283056/drug-coated-balloons-technologies-and-clinical-applications
#13
Huiying Ang, Jinjie Lin, Ying Ying Huang, Tze Tec Chong, Salvatore Cassese, Michael Joner, Nicolas Foin
The progress and development of drug-coated balloons (DCBs) represents an emerging alternative treatment in peripheral and coronary artery diseases, particularly when a non-stent approach is necessary. Several studies and meta-analyses have evaluated the clinical outcomes of DCBs in different lesions and this review aims to compile the progress and updated clinical data of DCB strategy in both peripheral artery diseases (PAD) and coronary artery diseases (CAD). The review highlights that clinical data encouraged the use of DCB for applications in PAD and in the treatment of coronary in-stent restenosis (ISR)...
December 27, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29283054/drug-coated-balloons-applications-in-interventional-cardiology
#14
Gianluca Rigatelli, Marco Zuin
BACKGROUNDS: Drug coated balloons (DCBs) are new on stented-based anti-proliferative drug delivery systems, recently introduced in interventional cardiology. Their primary aim is to transfer an anti-proliferative drug to reduce the subsequent neo-intima hyperplasia and to maintain the normal vessel diameter and function. METHODS: A review of the most recent influential studies about DCBs in all the fields of interventional cardiology has been performed. RESULTS: As demonstrated by different studies, DCBs have different theoretical advantages over drug eluting stents (DESs), especially for the treatment of some endovascular lesions, as in-stent restenosis (ISR), coronary bifurcations, small vessels disease and peripheral artery disease at femoropopliteal and below the knee sites...
December 27, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29280700/open-and-endovascular-treatment-by-covered-and-multilayer-stents-in-the-therapy-of-renal-artery-aneurysms-mid-and-long-term-outcomes-in-a-single-center-experience
#15
L Irace, J Ben Hamida, O Martinelli, R Stumpo, F G Irace, S Venosi, R Gattuso, P B Berloco, B Gossetti
AIM: The purpose of this paper is to evaluate the mid and long terms outcomes of open and endovascular surgical treatment, as well as multilayer stent, in patients affected by Renal Artery Aneurysm (RAA). PATIENTS AND METHODS: Twenty five patients with RAA (24 monolateral and 1 bilateral aneurysm, 26 aneurysms) were observed between 2000 and 2015: 4 were not treated due to the small size of the aneurysm (< 2.5 cm); out of the remaining, 16 underwent endovascular treatment, 2 were treated by open surgery consisting in aneurysmectomy and graft reconstruction and 5 (in 1 patient bilateral) were treated by ex vivo repair and autotransplantation...
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/29278349/characteristics-of-stent-thrombosis-in-bifurcation-lesions-analyzed-by-optical-coherence-tomography
#16
Mohamed Y Bechiri, Geraud Souteyrand, Thierry Lefèvre, Charlotte Trouillet, Gregoire Rangé, Guillaume Cayla, François Derimay, Lionel Mangin, Nicolas Meneveau, Christophe Caussin, Pascal Motreff, Nicolas Amabile
AIMS: This work aimed to investigate a cohort of patients presenting with stent thrombosis (ST) explored by optical coherence tomography (OCT) to identify the underlying mechanical abnormalities in case of bifurcation lesions. Methids and results: The PESTO study was a prospective national registry involving 29 French catheterization facilities. Patients with acute coronary syndromes were prospectively screened for presence of definite ST and analyzed by OCT after culprit lesion reopening...
December 26, 2017: EuroIntervention
https://www.readbyqxmd.com/read/29240962/long-term-outcomes-after-percutaneous-revascularization-of-complex-coronary-bifurcation-lesions-using-a-dedicated-self-expanding-biolimus-eluting-stent-system
#17
Andreas S Triantafyllis, Johan Bennett, Efstathios Pagourelias, Keir McCutcheon, Tom Adriaenssens, Peter R Sinnaeve, Walter Desmet, Christophe Dubois
BACKGROUND: To evaluate long-term clinical outcomes after treatment of complex bifurcation lesions with the AXXESS dedicated self-expanding biolimus A9-eluting bifurcation stent. METHODS: Between 2004 and 2013, 123 patients with complex bifurcation lesions were treated in a single center with the AXXESS stent in the proximal main vessel (MV) and additional drug-eluting stents in branches when required. Median follow-up was 5 years. Primary endpoint was the rate of major adverse cardiac events (MACE)...
December 14, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/29239685/in%C3%A2-vitro-angiographic-comparison-of-the-flow-diversion-performance-of-five-neurovascular-stents
#18
Ronak J Dholakia, Ari D Kappel, Andrew Pagano, Henry H Woo, Baruch B Lieber, David J Fiorella, Chander Sadasivan
Background and purpose Data differentiating flow diversion properties of commercially available low- and high-porosity stents are limited. This in vitro study applies angiographic analysis of intra-aneurysmal flow to compare the flow-diversion performance of five neurovascular devices in idealized sidewall and bifurcation aneurysm models. Methods Five commercial devices (Enterprise, Neuroform, LVIS, FRED, and Pipeline) were implanted in silicone sidewall and bifurcation aneurysm models under physiological average flow of blood analog fluid...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29234732/endovascular-aneurysm-repair-evar-of-an-infrarenal-abdominal-aortic-aneurysm-aaa-in-a-young-patient-with-systemic-lupus-erythematosus-sle
#19
Nick Z P Ng, Tze Tec Chong
Introduction: While hypertension, pericardial, myocardial, and coronary artery disease are common cardiovascular manifestations of systemic lupus erythematosus (SLE), aortic aneurysms (AA) are rare but increasingly diagnosed, with the true incidence unknown. Case report: A 40 year old female suffering from SLE with a 5.3 cm saccular eccentric infrarenal abdominal aortic aneurysm (AAA) was treated successfully with endovascular aneurysm repair (EVAR) using the Medtronic Endurant II bifurcated stent graft and followed up 2 years post-operatively...
2017: EJVES Short Reports
https://www.readbyqxmd.com/read/29223353/late-open-surgical-conversion-after-endovascular-abdominal-aortic-aneurysm-repair
#20
Vinay Kansal, Sudhir Nagpal, Prasad Jetty
INTRODUCTION: Late open surgical conversion following endovascular aneurysm repair (EVAR) may occur more frequently after performing EVAR in anatomy outside the instructions for use (IFU). This study reviews predictors and outcomes of late open surgical conversion for failed EVAR. METHODS: This retrospective cohort study reviewed all EVARs performed at the Ottawa Hospital between January 1999 and May 2015. Open surgical conversions >1 month post EVAR were identified...
December 6, 2017: European Journal of Vascular and Endovascular Surgery
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