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The safety and precision of PCI performed with the CorPath robotic system been demonstrated. Percutaneous treatment of ostial renal artery stenosis requires precise stent positioning. We examined the feasibility of robot assisted renal artery stent implantation.
The CorPath robotic system was utilized at a single center for renal stent implantation. Technical success was defined as completion of the robotic stent procedure without either conversion to manual stent positioning or deployment of an additional stent due to geographic miss. Procedural success was defined as <30% residual stenosis with no post-procedure adverse outcomes.
Five consecutive unselected patients underwent robotic RA stent implantation with the CorPath system between 6/1/12 and 8/30/13. Patient characteristics are displayed in Table I. Technical and procedural success was achieved in all patients.
Renal stent implantation using the CorPath robotic system is feasible and effective. Further study is warranted.
|Current/Recent Smoker||1 (20%)|
|Diabetes mellitus||1 (20%)|
|Prior PCI||2 (40%)|
|Prior CABG||1 (20%)|
|Procedure Characteristics||N=5 patients|
|Radial (n/%)||3 (60%)|
|Millimeter positioning tool use||5 (100%)|
|Total Fluoroscopy Time (min)||23.3±6.1|
|Total Procedure Time (min)||57.5±10.9|
|Total Contrast Volume (cc)||65.4±36.4|
|Stent diameter (mm)||5.0±.09|
|Technical Success (%)||5 (100%)|
|Procedure Success (%)||5 (100%)|