Standardized evaluation and reporting of stent fractures in clinical trials of noncoronary devices

Jaff, Michael R.; Dake, Michael D.; Pompa, Jeffrey; Yoder, Tony

doi:10.1002/ccd.21240

Cited by 89 publications

(71 citation statements)

References 25 publications

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“…In patients in whom stent fracture was suspected by duplex sonography, further evaluation for stent fractures was performed by biplanar fluoroscopy according to the classification used by Jaff et al 18 Visualization of stent grafts was performed using the stent-boost technique.…”

Section: Follow-upmentioning

confidence: 99%

Routine Endovascular Treatment With a Stent Graft for Access-Site and Access-Related Vascular Injury in Transfemoral Transcatheter Aortic Valve Implantation

Sedaghat

Neumann

Schahab

et al. 2016

Circ: Cardiovascular Interventions

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Background-Access-site and access-related vascular injury (ASARVI) is still a major limiting factor in transcatheter aortic valve implantation and affects the outcome of patients. Management strategies for ASARVI include manual compression, stent grafts, and vascular surgery. We hypothesized that the standard use of a self-expanding stent graft for the management of ASARVI is feasible and safe. Methods and Results-Of 407 patients treated by transfemoral transcatheter aortic valve implantation, 110 experienced ASARVI (27.0%). Of these, 96 (87.3%) were managed by the implantation of a self-expanding nitinol stent graft. In the majority of patients, minor vascular complications triggered the implantation of a stent graft (86.5%), mainly because of bleeding (90.6%) and dissection (5.2%) of the common femoral artery with high rates of primary treatment success (97.9%

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Section: Follow-upmentioning

confidence: 99%

Routine Endovascular Treatment With a Stent Graft for Access-Site and Access-Related Vascular Injury in Transfemoral Transcatheter Aortic Valve Implantation

Sedaghat

Neumann

Schahab

et al. 2016

Circ: Cardiovascular Interventions

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“…A review of the literature found no mention of stent fractures as a periprocedural complication involving the use of balloon-expandable stents in the iliac arteries. Allie et al have suggested a 4-type classification system for nitinol stent fracture in peripheral vessels, which was later expanded to 5 types by Jaff et al (10). A type I fracture involves only a single strut; type II involves multiple struts that can occur at different sites; type III involves multiple strut fractures resulting in complete transverse fracture without displacement; type IV result in a complete transverse linear fracture with stent displacement; and type V is spiral fracture.…”

Section: Discussionmentioning

confidence: 99%

Disintegration of a Balloon-Expandable Stent in the Iliac Artery Upon Delivery

et al. 2013

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“…Stent fractures (SFs) may be associated with unanticipated late complications, including clinical in-stent restenosis (ISR), stent thrombosis and aneurysm formation [31][32][33][34][35]. "Type IV" stent fractures have been defined by Jaff et al [36] as a complete transverse, linear fracture of stent struts along with displacement of the stent fragments. Popma et al [31] presented excellent angiographic evidence of fracture Types II-IV and noted a high incidence percentage of angiographic restenosis associated with the Type IV fracture (seven out of 18 patients).…”

Section: Introductionmentioning

confidence: 99%

Shannon Entropy-Based Wavelet Transform Method for Autonomous Coherent Structure Identification in Fluid Flow Field Data

Bulusu

Plesniak

2015

Entropy

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Abstract:The coherent secondary flow structures (i.e., swirling motions) in a curved artery model possess a variety of spatio-temporal morphologies and can be encoded over an infinitely-wide range of wavelet scales. Wavelet analysis was applied to the following vorticity fields: (i) a numerically-generated system of Oseen-type vortices for which the theoretical solution is known, used for bench marking and evaluation of the technique; and (ii) experimental two-dimensional, particle image velocimetry data. The mother wavelet, a two-dimensional Ricker wavelet, can be dilated to infinitely large or infinitesimally small scales. We approached the problem of coherent structure detection by means of continuous wavelet transform (CWT) and decomposition (or Shannon) entropy. The main conclusion of this study is that the encoding of coherent secondary flow structures can be achieved by an optimal number of binary digits (or bits) corresponding to an optimal wavelet scale. The optimal wavelet-scale search was driven by a decomposition entropy-based algorithmic approach and led to a threshold-free coherent structure detection method. The method presented in this paper was successfully utilized in the detection of secondary flow structures in three clinically-relevant blood flow scenarios involving the curved artery model under a carotid artery-inspired, pulsatile inflow condition. These scenarios were: (i) a clean curved artery; (ii) stent-implanted curved artery; and (iii) an idealized Type IV stent fracture within the curved artery.Entropy 2015, 17 6618

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Standardized evaluation and reporting of stent fractures in clinical trials of noncoronary devices

Cited by 89 publications

References 25 publications

Routine Endovascular Treatment With a Stent Graft for Access-Site and Access-Related Vascular Injury in Transfemoral Transcatheter Aortic Valve Implantation

Routine Endovascular Treatment With a Stent Graft for Access-Site and Access-Related Vascular Injury in Transfemoral Transcatheter Aortic Valve Implantation

Disintegration of a Balloon-Expandable Stent in the Iliac Artery Upon Delivery

Shannon Entropy-Based Wavelet Transform Method for Autonomous Coherent Structure Identification in Fluid Flow Field Data

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