Distal Occluder and Rheolytic Thrombectomy of a Saphenous Vein Graft Lesion with a Large Associated Thrombus

Heldman, Alan W.

doi:10.1111/j.1540-8183.2002.tb01110.x

Cited by 4 publications

(3 citation statements)

References 15 publications

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“…Percutaneous intervention of saphenous vein grafts is challenging and is associated with high risk of distal embolization, slow flow, and no‐reflow [1, 2]. Various protective devices, including balloon occluders and filters, are designed to handle distal embolization and minimize the likelihood of large burdens of atherothrombotic materials migrating downstream [3, 4]. In randomized clinical trials, both the balloon and the filter techniques showed similar efficacy in reducing distal embolization, target lesion and vessel revascularization, myocardial infarction and death [5, 6].…”

Section: Introductionmentioning

confidence: 99%

Crystallization behavior of dynamically cured polypropylene/epoxy blends

Jiang¹,

Zhang²,

Zhang³

2004

J Polym Sci B Polym Phys

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Dynamically cured polypropylene (PP)/epoxy blends compatibilized with maleic anhydride grafted PP were prepared by the curing of an epoxy resin during melt mixing with molten PP. The morphology and crystallization behavior of dynamically cured PP/epoxy blends were studied with scanning electron microscopy, differential scanning calorimetry, and polarized optical microscopy. Dynamically cured PP/epoxy blends, with the structure of epoxy particles finely dispersed in the PP matrix, were obtained, and the average diameter of the particles slightly increased with increasing epoxy resin content. In a study of the nonisothermal crystallization of PP and PP/epoxy blends, crystallization parameter analysis showed that epoxy particles could act as effective nucleating agents, accelerating the crystallization of the PP component in the PP/epoxy blends. The isothermal crystallization kinetics of PP and dynamically cured PP/epoxy blends were described by the Avrami equation. The results showed that the Avrami exponent of PP in the blends was higher than that of PP, and the crystallization rate was faster than that of PP. However, the crystallization rate decreased when the epoxy resin content was greater than 20 wt %. The crystallization thermodynamics of PP and dynamically cured PP/epoxy blends were studied according to the Hoffman theory. The chain folding energy for PP crystallization in dynamically cured PP/epoxy blends decreased with increasing epoxy resin content, and the minimum of the chain folding energy was observed at a 20 wt % epoxy resin content. The size of the PP spherulites in the blends was obviously smaller than that of PP. © 2004 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 42: 1181–1191, 2004

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Section: Introductionmentioning

confidence: 99%

Crystallization behavior of dynamically cured polypropylene/epoxy blends

Jiang¹,

Zhang²,

Zhang³

2004

J Polym Sci B Polym Phys

View full text Add to dashboard Cite

show abstract

“…Various protective devices, including balloon occluders and filters, are designed to handle distal embolization and minimize the likelihood of large burdens of atherothrombotic materials migrating downstream [3,4]. In randomized clinical trials, both the balloon and the filter techniques showed similar efficacy in reducing distal embolization, target lesion and vessel revascularization, myocardial infarction and death [5,6].…”

Section: Introductionmentioning

confidence: 98%

Rheolytic thrombectomy with distal filter embolic protection as adjunctive therapies to high‐risk saphenous vein graft intervention

Leung

2004

Cathet Cardio Intervent

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Percutaneous intervention of saphenous vein graft (SVG), especially those with heavy atherothrombotic load, presents high risk for distal embolization and no-reflow. Using the distal filters alone may occasionally be disadvantageous because of the large debris burden and the inability to assess the underlying culprit lesions and vessel size accurately. We present a case of intervention of an occluded SVG using a combination of rheolytic thrombectomy and distal filter embolic protection as a pretreatment before stenting. This strategy has the potential to reduce further the risk of no-reflow and to provide visualization for proper assessment of the underlying anatomy especially in clot-laden vessels.

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“…Indeed, in the days before embolic devices were approved in the United States, we advocated a guiding catheter aspiration technique [7] that is still useful in cases in which an embolic protection device is not appropriate. Others have reported success with techniques that include a distal occluder balloon and rheolytic thrombectomy followed by stent deployment in the SVG [8].…”

mentioning

confidence: 99%

Embolic protection Pas de Deux

Heuser

2004

Cathet Cardio Intervent

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Distal Occluder and Rheolytic Thrombectomy of a Saphenous Vein Graft Lesion with a Large Associated Thrombus

Cited by 4 publications

References 15 publications

Crystallization behavior of dynamically cured polypropylene/epoxy blends

Crystallization behavior of dynamically cured polypropylene/epoxy blends

Rheolytic thrombectomy with distal filter embolic protection as adjunctive therapies to high‐risk saphenous vein graft intervention

Embolic protection Pas de Deux

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