Permanent inflation of detachable balloons with a low-viscosity, hydrophilic polymerizing system.

Goto, Kaori; Vv, Halbach; Hardin, C W; Higashida, Randall T.; Hieshima, Grant B.

doi:10.1148/radiology.169.3.3187001

Cited by 29 publications

(3 citation statements)

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“…(Latex balloons with Long-term anticoagulation might be of benefit if this technique is attempted again either as a planned initial procedure or, as with this case, in an attempt to increase effectiveness of retroperfusion via an unintentional aortocardiac venous radical graft. Inflation of the balloon with a polymerizing substance such as liquid silicone or HEMA to prevent balloon deflation would probably be advisable in this circumstance, as long-term anticoagulation might prevent the formation of adequate thrombus to anchor a contrast-filled deflating balloon [20]. a self-sealing valve are also available and do not require tying.)…”

Section: Discussionmentioning

confidence: 99%

Balloon embolization of latrogenic aortocoronary arteriovenous fistula

Graeb

Morris

Ricci

et al. 1990

Cathet. Cardiovasc. Diagn.

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A detachable latex balloon was used to occlude an iatrogenic aortocoronary arterio-venous fistula. The aim of providing retrograde myocardial perfusion was not achieved to any significant degree because of rapid recruitment of collateral venous routes to the coronary sinus. This may have implications for the effectiveness of deliberate grafting of the coronary venous system with proximal venous ligation, as has been recommended when the coronary arterial system is small and diffusely diseased.

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Section: Discussionmentioning

confidence: 99%

Balloon embolization of latrogenic aortocoronary arteriovenous fistula

Graeb

Morris

Ricci

et al. 1990

Cathet. Cardiovasc. Diagn.

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“…Attempts to fill the balloon with a permanent substance to prevent premature deflation solved only one of the problems. 50 The development and 1995 FDA approval of the Target Therapeutics/ Boston Scientific (Fremont, CA) GDC led to the endovascular treatment of aneurysms in patients who were not surgical candidates. 51 These soft platinum coils enable the operator to fill an irregular aneurysm by inserting a succession of coils.…”

Section: History Of Endovascular Therapymentioning

confidence: 99%

Endovascular Treatment of Intracranial Aneurysms

Moran¹,

Cross²,

Derdeyn

2002

Semin intervent Radiol

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An intracranial aneurysm is a benign disorder that causes patients to have neurological deficits or to die. The sequelae develop because aneurysms rupture into the subarachnoid space or compress nervous tissue. Intracranial aneurysms occur in up to 8% of the population, more commonly in women, and the only modifiable risk factor for hemorrhage is cigarette smoking. Treatment is directed at the prevention of rupture or rebleeding and relief of mass effect. Surgical clipping has been the primary treatment, but in the past 6 years, endovascular therapy (Guglielmi detachable coil® [GDC]) has become widely available. Initially GDC treatment was directed at the nonsurgical candidate but recently has begun to compare with surgical clipping as a definitive mode of therapy. The primary consideration for successful GDC treatment of an aneurysm is the relationship of the aneurysm to its parent vessel and any branches. The size of the aneurysm dome in relation to the aneurysm neck, presence of thrombus, and the inflow zone are also significant factors. Coil compaction and aneurysm remnants at its neck are significant problems in GDC treatment. The technique and instruments are constantly improving: development of the remodeling technique; the introduction of softer, stretch-resistant coils; and the use of flexible coronary stents have permitted successful treatment of patients who once would have been considered poor candidates for this mode of therapy. Future development of more compliant balloons, coated coils, and liquid embolics will extend and improve endovascular therapy for patients with intracranial aneurysms.Objectives: Upon completion of this article, the reader should be able to understand and discuss (1) the significance of intracranial aneurysm and subarachnoid hemorrhage, (2) the modern means of evaluating patients with intracranial aneurysms, (3) the current methods of treatment, and (4) possible future methods of treatment. Accreditation: Tufts University School of Medicine is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. TUSM takes full responsibility for the content, quality, and scientific integrity of this continuing education activity. Credit: Tufts University School of Medicine designates this education activity for a maximum of 1.0 hours credit toward the AMA Physicians Recognition Award in category one. Each physician should claim only those hours that he/she actually spent in the educational activity.Downloaded by: Universite Laval. Copyrighted material.

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“…Very few studies exist that address in vivo behavior of angioplasty balloons when inflated in coronary arteries. Polymer characteristics and compliance of the stent delivery balloon may play a role in in vivo performance [2][3][4][5]. It has been suggested that the length of a balloon angioplasty catheter may also determine its diameter in vivo [6], and other investigators noted that balloon compliance data for plain angioplasty catheters may not be accurately predicted by the manufacturers' published data [1].…”

Section: Introductionmentioning

confidence: 99%

Overestimation of stent delivery balloon diameters by manufacturers' compliance tables: A quantitative coronary analysis of Duet and NIR stent implantation

Hehrlein

DeVries

Wood

et al. 2001

Cathet Cardio Intervent

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Although manufacturers' compliance tables of stent delivery balloons indicate the diameter of the balloon at a given inflation pressure, it is unclear whether these data correlate with in vivo true intracoronary balloon diameters (TBDs). The TBDs of two new-generation balloon-expandable stent delivery systems (Duet and NIR) were measured by quantitative coronary analysis (QCA) in 100 consecutive patients. The manufacturers' stated balloon diameter (BD) of the stent delivery systems overestimated the TBD in 94% +/- 4% of patients receiving both Duet or NIR stent implantations. In only 6% of the patients, the TBD matched the manufacturers' stated balloon diameter. There was no underestimation of TBDs by both manufacturers' compliance tables. The Duet tables overestimated TBDs by 14% +/- 8% (range, 1%-36%), the NIR tables by 18% +/- 8% (range, 1%-41%), P < 0.05, Duet vs. NIR, respectively. When the manufacturers' data were corrected for the differences in reporting data from in vitro tests, i.e., balloon compliance data with or without the stent, the degree of overestimation of diameters was similar for Duet and NIR stent delivery balloons (14% +/- 8% vs. 13% +/- 7%, Duet vs. NIR; P = NS). Manufacturers' compliance tables of both the Duet and NIR stent delivery balloon systems significantly overestimate the true intracoronary balloon diameter. The manufacturers' of stent delivery balloons should clearly state on the box, if balloon compliance data were derived from in vitro bench testing, which phantoms were used for compliance analysis, and that the tables may overestimate the true intracoronary balloon diameter. The findings of the present study have important clinical implications with respect to performing coronary stent implantation with precision.

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Permanent inflation of detachable balloons with a low-viscosity, hydrophilic polymerizing system.

Cited by 29 publications

References 0 publications

Balloon embolization of latrogenic aortocoronary arteriovenous fistula

Balloon embolization of latrogenic aortocoronary arteriovenous fistula

Endovascular Treatment of Intracranial Aneurysms

Overestimation of stent delivery balloon diameters by manufacturers' compliance tables: A quantitative coronary analysis of Duet and NIR stent implantation

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