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Intra stent thrombosis

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https://www.readbyqxmd.com/read/28604183/treatment-of-an-internal-carotid-artery-aneurysm-with-a-flow-diverter-through-a-double-lumen-balloon-catheter
#1
José M Amorim, Santiago Rosati, Ronit Agid, Vítor Mendes Pereira, Timo Krings
Background Double lumen balloon catheters (DLBCs) are currently used in the treatment of intracranial aneurysms, especially when involving balloon or stent-assisted coiling. The existing DLBCs allow the delivery of self-expandable stents but do not offer the possibility to deploy flow-diverters. Despite the increasing use and success of flow-diverters, there have been numerous reports of procedural complications such as early in-stent thrombosis or delayed distal embolization. It seems that these complications can be avoided by correct stent positioning and adequate wall apposition, achieved either by manoeuvres with the microguidewire and/or microcatheter or by performing balloon angioplasty following an exchange guidewire manoeuvre...
June 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28595811/acute-distal-migration-of-a-flow-diverting-stent
#2
David Dornbos, Ciarán J Powers
The introduction of flow diverting stents, particularly for treatment of petrous to supraclinoid internal carotid artery aneurysms, has greatly impacted endovascular treatment of intracranial aneurysms. Despite their high efficacy, complications, such as ischemic events, distal hemorrhage, or problems with stent deployment, remain a significant concern. We present the first reported case of acute distal migration of a Pipeline Embolization Device (PED). A 24-year old female underwent elective placement of a PED for treatment of a left paraclinoid internal carotid artery aneurysm...
June 5, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28573070/endoscopic-therapy-for-biliary-strictures-complicating-living-donor-liver-transplantation-factors-predicting-better-outcome
#3
Harshavardhan B Rao, Hasim Ahamed, Suprabha Panicker, Surendran Sudhindran, Rama P Venu
AIM: To identify factors predicting outcome of endoscopic therapy in bile duct strictures (BDS) post living donor liver transplantation (LDLT). METHODS: Patients referred with BDS post LDLT, were retrospectively studied. Patient demographics, symptoms (Pruritus, Jaundice, cholangitis), intra-op variables (cold ischemia time, blood transfusions, number of ducts used, etc.), peri-op complications [hepatic artery thrombosis (HAT), bile leak, infections], stricture morphology (length, donor and recipient duct diameters) and relevant laboratory data both pre- and post-endotherapy were studied...
May 15, 2017: World Journal of Gastrointestinal Pathophysiology
https://www.readbyqxmd.com/read/28483628/acute-early-carotid-stent-thrombosis-a-case-series
#4
Konstantinos G Moulakakis, John Kakisis, Georgios Tsivgoulis, Vasilis Zymvragoudakis, Stavros Spiliopoulos, Andreas Lazaris, Giorgos S Sfyroeras, Spyridon N Mylonas, Spyridon N Vasdekis, George Geroulakos, Elias N Brountzos
PURPOSE: Acute early carotid stent thrombosis (AcuteCST) is a rare complication after carotid artery stenting (CAS). Purpose of this retrospective study was to investigate the incidence, causes and optimal management of AcuteCST. METHODS: Medical records of all patients undergoing CAS between 2008 and 2016 were retrospectively reviewed. Time of thrombosis, grade of stenosis, lesion side, pre and post-procedural anticoagulants, causes, symptoms, treatment, recanalization and outcome were reviewed...
May 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28483627/endovascular-treatment-with-primary-stenting-of-acutely-thrombosed-popliteal-artery-aneurysms
#5
Aaron Fargion, Fabrizio Masciello, Giovanni Pratesi, Elena Giacomelli, Walter Dorigo, Carlo Pratesi
PURPOSE: Only anecdotal cases concerning primary stenting of thrombosed popliteal artery aneurysm (PAA) without a preoperative intra-arterial thrombolysis are reported. We report our series of six patients treated with this technique. CASE REPORT: Six male patients, aged between 63 and 88, came to our attention in the last 10 years for acute limb ischemia due to thrombosis of a PAA. In all the cases immediate digital subtraction angiography (DSA) was performed, the occlusion was crossed with an angiographic guidewire and, once an adequate distal landing zone was identified in the distal popliteal artery, a primary stenting was performed...
May 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28480772/cross-circulation-thrombectomy-with-use-of-a-stent-retriever-a-case-report
#6
Ali Sultan-Qurraie, Gregory Rozansky, John Andrew Cox, Marc Lazzaro
Introduction The efficacy of the endovascular treatment of acute ischemic stroke has been substantiated by several recent randomized clinical trials. While intra-arterial therapy has significantly evolved in recent years, anatomic cerebrovascular variants and disease burden can present challenges to timely recanalization. We present the first reported case of anterior-to-posterior mechanical clot retrieval with use of a stent retriever. Case description A 53-year-old man presented with basilar artery thrombosis...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28476635/the-fate-of-incomplete-scaffold-apposition-of-everolimus-eluting-bioresorble-scaffolds-a-serial-optical-coherence-tomography-analysis
#7
Takao Sato, Ralph Tölg, Mohamed El-Mawardy, Dmitriy S Sulimov, Gert Richardt, Mohamed Abdel-Wahab
BACKGROUND: Incomplete stent apposition (ISA) can be divided into acute and late forms. Late ISA may be due to persistent ISA or late-acquired ISA (LAISA). This study evaluated the natural course of ISA after bioresorbable vascular scaffold (BRS) implantation using optical coherence tomography (OCT). METHODS: Thirty-two patients (45 BRS) were assessed immediately after BRS implantation and 1 year thereafter using OCT. Acute ISA identified after BRS implantation but absent at follow-up was defined as resolved; otherwise, it was considered persistent...
May 2, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28397722/long-term-outcomes-of-primary-percutaneous-coronary-intervention-with-second-generation-drug-eluting-stents-in-st-elevation-myocardial-infarction-patients-caused-by-very-late-stent-thrombosis
#8
Chen He, Yuan-Liang Ma, Chuang-Shi Wang, Lin Jiang, Jia-Hui Zhang, Yi Yao, Xiao-Fang Tang, Bo Xu, Run-Lin Gao, Jin-Qing Yuan
BACKGROUND: The ST-segment elevation myocardial infarction (STEMI) patients due to stent thrombosis (ST) remain a therapeutic challenge for a clinician. Till date, very few researches have been conducted regarding the safety and effectiveness of primary percutaneous coronary intervention (PCI) with second-generation drug-eluting stents (DES) for STEMI caused by very late ST (VLST). This retrospective study evaluated the safety, efficacy, and outcomes of primary PCI with second-generation DES for STEMI due to VLST compared with primary PCI for STEMI due to de novo lesion...
April 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28392056/open-conversion-after-endovascular-abdominal-aneurysm-repair-an-8-year-single-centre-experience
#9
I Ben Abdallah, S El Batti, M Abou-Rjeili, J-N Fabiani, P Julia, J-M Alsac
OBJECTIVE: To report experience with open conversion (OC) after previous failed EVAR and to compare outcomes of patients undergoing elective OC with those operated on in an urgent setting. METHODS: Patients undergoing OC after EVAR between August 2008 and September 2016 were included in this retrospective and observational single institution study. Indications, demographic, anatomical, intra-operative and post-operative data were collected prospectively. Primary endpoints were 30 day and in hospital mortality...
April 5, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28316865/treatment-of-intracranial-aneurysms-with-flow-re-direction-endoluminal-device-a-single-centre-experience-with-short-term-follow-up-results
#10
Neeraj Ramesh Mahboobani, Wing Ho Chong, Samuel Siu Kei Lam, Jimmy Chi Wai Siu, Chong Boon Tan, Yiu Chung Wong
PURPOSE: A flow diverter (FD) is an effective treatment option for intracranial aneurysms. The Flow Re-direction Endoluminal Device (FRED) is a relatively new flow diverter with a unique dual-layer design. We report our experience and short-term results with the FRED. MATERIALS AND METHODS: We did a retrospective review of all consecutive cases in which the FRED was used to treat intracranial aneurysms at a single institution from March 2014 till December 2015. Clinical parameters, aneurysm characteristics, technical results and short-term outcomes were reviewed...
March 2017: Neurointervention
https://www.readbyqxmd.com/read/28291676/long-term-outcome-after-thrombolysis-for-acute-lower-limb-ischaemia
#11
O Grip, A Wanhainen, S Acosta, M Björck
OBJECTIVES: The purpose was to study long-term outcome after thrombolysis for acute arterial lower limb ischaemia, and to evaluate the results depending on the underlying aetiology of arterial occlusion. METHODS: This was a retrospective study of patients entered into a prospective database. Patients were identified in prospective databases from two vascular centres, including a large number of variables. Case records were analysed retrospectively. Through cross linkage with the Population Registry 100% accurate survival data were obtained...
March 10, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28246277/ischemic-stroke-after-treatment-of-intraprocedural-thrombosis-during-stent-assisted-coiling-and-flow-diversion
#12
Nimer Adeeb, Christoph J Griessenauer, Justin M Moore, Paul M Foreman, Hussain Shallwani, Rouzbeh Motiei-Langroudi, Raghav Gupta, Carlos E Baccin, Abdulrahman Alturki, Mark R Harrigan, Adnan H Siddiqui, Elad I Levy, Christopher S Ogilvy, Ajith J Thomas
BACKGROUND AND PURPOSE: Intraprocedural thrombosis poses a formidable challenge during neuroendovascular procedures because the risks of aggressive thromboembolic treatment must be balanced against the risk of postprocedural hemorrhage. The aim of this study was to identify predictors of ischemic stroke after intraprocedural thrombosis after stent-assisted coiling and pipeline embolization device placement. METHODS: A retrospective analysis of intracranial aneurysms treated with stent-assisted coiling or pipeline embolization device placement between 2007 and 2016 at 4 major academic institutions was performed to identify procedures that were complicated by intraprocedural thrombosis...
April 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28210239/flow-diversion-for-the-treatment-of-mca-bifurcation-aneurysms-a-single-centre-experience
#13
Pervinder Bhogal, Muhammad AlMatter, Hansjörg Bäzner, Oliver Ganslandt, Hans Henkes, Marta Aguilar Pérez
BACKGROUND: Intracranial aneurysms located at the bifurcation of the middle cerebral artery (MCA) can often be challenging for the neurointerventionalist. We aimed to evaluate the efficacy and safety of flow diverting stents (FDS) in the treatment of these aneurysms. MATERIALS AND METHODS: We retrospectively reviewed our prospectively maintained database to collect information for all patients with unruptured saccular bifurcation MCA aneurysms treated with FDS between January 2010 and January 2016...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/27916638/therapeutical-options-in-the-management-of-carotid-dissection
#14
Ombretta Martinelli, Salvatore Venosi, Jamila BenHamida, Alban Malaj, Cristina Belli, Francesco Giosue' Irace, Roberto Gattuso, Giacomo Frati, Bruno Gossetti, Luigi Irace
BACKGROUND: The best management of carotid artery dissection (CAD) is still controversial ranging from antiplatelet medication to open surgery or endovascular treatment. In this retrospective study, we assessed the safety and efficacy of endovascular stent angioplasty for the treatment of CAD. METHODS: From February 2006 to February 2016, 44 patients (28 women and 16 men, age range 25-65 years, mean 42) with CAD were included in this study. The internal carotid artery dissection was spontaneous in 32 patients and posttraumatic in the remaining 12 (in 1 case, it was bilateral)...
May 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27903481/hybrid-repair-of-complex-left-subclavian-artery-injury-with-partial-transection-and-complete-thrombosis-in-an-unstable-patient-following-blunt-trauma
#15
Ilitch Diaz-Gutierrez, Muhammad A Rana, Barkat Ali, John M Marek, Mark Langsfeld
Blunt subclavian artery injuries are rare and are associated with high morbidity and mortality. Several case reports have suggested that endovascular repair is safe with short operative times and minimal blood loss. We report a case of a 20-year-old male patient involved in a high-speed motor vehicle collision that resulted in partial transection of left subclavian artery with complete luminal thrombosis. Patient also had a left main-stem bronchus avulsion along with major intra-abdominal injuries and multiple spine and long bone fractures...
November 27, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27863293/the-conical-stent-in-coronary-artery-improves-hemodynamics-compared-with-the-traditional-cylindrical-stent
#16
Yi Yu, Yujie Zhou, Qian Ma, Shuo Jia, Sijing Wu, Yan Sun, Xiaoli Liu, Yingxin Zhao, Yuyang Liu, Dongmei Shi
OBJECTIVES: This study sought to explore the efficacy of the conical stent implantation in the coronary artery by comparing the effects of cylindrical and conical stents on wall shear stress (WSS) and velocity of flow and fractional flow reserve (FFR). BACKGROUND: The traditional cylindrical stent currently used in the percutaneous coronary intervention (PCI) has a consistent diameter, which does not match the physiological change of the coronary artery. On the contrary, as a new patent, the conical stent with tapering lumen is consistent with the physiological change of vascular diameter...
January 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27798327/effects-on-vessel-measurement-accuracy-and-subsequent-occlusion-after-calcium-channel-blocker-infusion-during-treatment-of-cerebral-aneurysms-with-the-pipeline-embolization-device
#17
M D Alexander, A D Nicholson, R J Darflinger, F Settecase, D L Cooke, C F Dowd, M R Amans, R T Higashida, S W Hetts, V V Halbach
Introduction/Purpose To achieve aneurysm occlusion, flow diverters (FDs) must be accurately sized to maximize coverage over the neck and induce thrombosis. Catheterization for diagnostic angiography can cause vasospasm that may affect vessel measurements. This study evaluates impacts of intra-arterial infusion of a calcium channel blocker (CCB) on angiographic measurements in patients treated with FDs to determine effects on final diameter of the FD and subsequent occlusion. Materials and methods Pre-treatment measurements were recorded for diameter of the distal and proximal landing zones and maximum and minimum diameters between these segments...
February 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27704247/childhood-acute-basilar-artery-thrombosis-successfully-treated-with-mechanical-thrombectomy-using-stent-retrievers-case-report-and-review-of-the-literature
#18
REVIEW
Giancarlo Nicosia, Domenico Cicala, Giuseppe Mirone, Pietro Spennato, Vincenzo Trischitta, Claudio Ruggiero, Gianluigi Guarneri, Mario Muto, Giuseppe Cinalli
INTRODUCTION: Acute basilar artery occlusion (ABAO) is an infrequent but potentially fatal cause of strokes in both adults and children, and it is usually due to vertebral artery dissection (VAD). VAD has been found to be usually a consequence of traumatic vertebral artery injury. ABAO usually presents with symptoms of acute ischemic stroke (AIS) of the posterior circulation or transient ischemic attack (TIA). It may lead to death or long-term disability if not promptly recanalized. Basilar artery recanalization in children can be achieved safely and with excellent clinical outcome using endovascular thrombectomy with the new generation self-expanding and retrievable stents...
February 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27693029/iliofemoral-endarterectomy-associated-with-systematic-iliac-stent-grafting-for-the-treatment-of-severe-iliofemoral-occlusive-disease
#19
Pierre Maitrias, Gwendoline Deltombe, Valérie Molin, Thierry Reix
OBJECTIVE: Iliofemoral endarterectomy with external iliac artery (EIA) stent grafting can be an alternative to traditional open surgery in patients with severe iliac occlusive disease extending to the common femoral artery. We report the midterm outcomes of this approach. METHODS: Between 2009 and 2015, 108 patients (76% male; median age, 63 years) underwent a total of 127 iliofemoral endarterectomies combined with EIA stent grafting. Indications were claudication in 60%, rest pain in 20%, ulceration in 15%, and acute ischemia in 5%...
February 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27587969/endovascular-repair-of-blunt-popliteal-arterial-injuries
#20
Shan Zhong, Xiquan Zhang, Zhong Chen, Peng Dong, Yequan Sun, Wei Zhu, Xiaolin Pan, Deming Qi
OBJECTIVE: To evaluate the feasibility and effectiveness of endovascular repair for blunt popliteal arterial injuries. MATERIALS AND METHODS: A retrospective analysis of seven patients with clinical suspicion of popliteal arterial injuries that were confirmed by arteriography was performed from September 2009 to July 2014. Clinical data included demographics, mechanism of injury, type of injury, location of injury, concomitant injuries, time of endovascular procedures, time interval from trauma to blood flow restoration, instrument utilized, and follow-up...
September 2016: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
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