A simple technique for changing a clotted catheter is presented which has been frequently useful during percutaneous transfemoral coronary angiogra phy. A guide wire is passed through a punched hole in the clotted catheter and a new catheter is inserted over the guide wire after the clotted catheter has been taken out.
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References
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Seldinger SI : Visualization of aortic and arterial occlusion by percutaneous puncture or catheterization of peripheral arteries. Angiology8: 73-86, Feb. 1957 .
2.
Skolnick ML: A technique for exchanging a clotted intravascular catheter using the original arteriopuncture site. Amer. J. Roentgen.109: 152-154, May 1970.
