Carotid Artery Stenosis: Treatment with Protected Balloon Angioplasty and Stent Placement

1997 ◽  
Vol 13 (2) ◽  
pp. 108-108
Radiology ◽  
1996 ◽  
Vol 201 (3) ◽  
pp. 627-636 ◽  
Author(s):  
J G Theron ◽  
G G Payelle ◽  
O Coskun ◽  
H F Huet ◽  
L Guimaraens

2021 ◽  
Vol 7 ◽  
Author(s):  
Sheng-Jiang Chen ◽  
Rui-Rui Liu ◽  
Yi-Ran Shang ◽  
Yu-Juan Xie ◽  
Xiao-Han Guo ◽  
...  

Purpose: The present study aimed to explore the predictive ability of an ultrasound linear regression equation in patients undergoing endovascular stent placement (ESP) to treat carotid artery stenosis-induced ischemic stroke.Methods: Pearson's correlation coefficient of actual improvement rate (IR) and 10 preoperative ultrasound indices in the carotid arteries of 64 patients who underwent ESP were retrospectively analyzed. A predictive ultrasound model for the fitted IR after ESP was established.Results: Of the 10 preoperative ultrasound indices, peak systolic velocity (PSV) at stenosis was strongly correlated with postoperative actual IR (r = 0.622; P < 0.01). The unstable plaque index (UPI; r = 0.447), peak eccentricity ratio (r = 0.431), and plaque stiffness index (β; r = 0.512) moderately correlated with actual IR (P < 0.01). Furthermore, the resistance index (r = 0.325) and the dilation coefficient (r = 0.311) weakly correlated with actual IR (P < 0.05). There was no significant correlation between actual IR and the number of unstable plaques, area narrowing, pulsatility index, and compliance coefficient. In combination, morphological, hemodynamic, and physiological ultrasound indices can predict 62.39% of neurological deficits after ESP: fitted IR = 0.9816 – 0.1293β + 0.0504UPI – 0.1137PSV.Conclusion: Certain carotid ultrasound indices correlate with ESP outcomes. The multi-index predictive model can be used to evaluate the effects of ESP before surgery.


Radiology ◽  
2004 ◽  
Vol 230 (1) ◽  
pp. 70-76 ◽  
Author(s):  
Schila Sabeti ◽  
Martin Schillinger ◽  
Wolfgang Mlekusch ◽  
Tassilo Nachtmann ◽  
Wilfried Lang ◽  
...  

2006 ◽  
Vol 12 (1_suppl) ◽  
pp. 221-228
Author(s):  
H. Oowaki ◽  
N Matsuura ◽  
M. Ishikawa

We describe a case of endo-luminal stent placement with Snare-assist for a cervical internal carotid artery stenosis in which percutaneous access was obtained via the brachial artery. A 68-year-old man with known disease of the carotid, peripheral, and coronary arteries, with Human T-cell Lymphotrophic Virus type-1 (HTLV-1) Associated Myelopathy (HAM) presented for endoluminal revascularization of a severe, progressive right internal carotid artery stenosis, but with aorto-iliac occlusion. Transfemoral access was complicated by an aorto-iliac occlusion. A trans-brachial approach was successfully attempted, and a SMARTer stent (Cordis Endovascular, Miami Lakes, FL) was successfully placed through a 7-French Shuttle-SL guide sheath (Cook, Bloomington) under Snare-assist. The trans-brachial approach is becoming an increasingly viable alternative route for stent placement in patients with contra-indicated or complicated femoral access routes. As devices become increasingly more pliable and smaller, the trans-brachial route will be used with increasing frequency in the select patient population for stenting of both the cervical and intracranial circulation.


1998 ◽  
Vol 28 (11) ◽  
pp. 1820
Author(s):  
Young-Sup Yoon ◽  
Bum-Kee Hong ◽  
Dong-Hoon Choi ◽  
Sun-Ho Kim ◽  
Dong-Ik Kim ◽  
...  

2017 ◽  
Vol 10 (2) ◽  
pp. 133-136 ◽  
Author(s):  
Orlando Diaz ◽  
Gloria Lopez ◽  
John O F Roehm ◽  
Ginna De la Rosa ◽  
Fernando Orozco ◽  
...  

BackgroundStroke due to the release of embolic debris during the placement of a stent to correct carotid artery stenosis is a constant procedural and peri-procedural threat. The new all metal Casper stent has been created with two layers of nitinol, the inner layer of which has pores diminutive enough to prevent embolic release.ObjectiveTo evaluate the safety, effectiveness, and utility of the double layer nitinol Casper carotid artery stent in the treatment of patients with severe carotid artery stenosis.Methods19 patients with severe internal carotid artery stenosis, 14 symptomatic and 5 asymptomatic, were treated with the Casper stent. After stent placement, angiographic and cone beam CT images were recorded in all patients.ResultsThe unique low profile delivery system allowed for easy stent placement, re-sheathing, and repositioning of the stent. The large cell external layer produced excellent apposition to the artery wall. The inner layer prevented prolapse of atherosclerotic debris through the device. Plaque coverage was achieved; residual stenosis ranged from 0% to 20%. Long term angiographic follow-up in 5 patients showed wall apposition of the device covering the lesion and no restenosis. There were no procedure related complications. Two patients experienced a delayed ischemic stroke, likely related to inconsistent medical management.ConclusionsThe Casper has been an excellent stent for the treatment of internal carotid artery stenosis and its internal micromesh layer has been effective in preventing plaque prolapse. It provides the flexibility of large cell stents and the inner layer provides maximum protection against plaque prolapse.


2000 ◽  
Vol 9 (9) ◽  
pp. 639-642
Author(s):  
Takeshi Nagahori ◽  
Naoya Kuwayama ◽  
Michiya Kubo ◽  
Souji Okamoto ◽  
Shunro Endo ◽  
...  

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