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KMID : 0359920150340040228
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Korean Journal of Nephrology
2015 Volume.34 No. 4 p.228 ~ p.232
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Endovascular interventions for central vein stenosis
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:Anil K. Agarwal
저자없음:No authors listed
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Abstract
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Central vein stenosis is common because of the placement of venous access and cardiac intravascular devices and compromises vascular access for dialysis. Endovascular intervention with angioplasty and/or stent placement is the preferred approach, but the results are suboptimal and limited. Primary patency after angioplasty alone is poor, but secondary patency can be maintained with repeated angioplasty. Stent placement is recommended for quick recurrence or elastic recoil of stenosis. Primary patency of stents is also poor, though covered stents have recently shown better patency than bare metal stents. Secondary patency requires repeated intervention. Recanalization of occluded central veins is tedious and not always successful. Placement of hybrid graft-catheter with a combined endovascular surgical approach can maintain patency in many cases. In the presence of debilitating symptoms, palliative approach with endovascular banding or occlusion of the access may be necessary. Prevention of central vein stenosis is the most desirable strategy.
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KEYWORD
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Angioplasty, Central vein stenosis, Hybrid graftecatheter device, Stent placement, Vascular access for hemodialysis
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