Radial Artery Injury Clinical Trial
Official title:
A Randomized Comparison of Nitroglycerin Versus Placebo as Spasmolytic Regimen to Prevent Moderate to Severe Radial Artery Spasm in Radial Center
The investigators will investigate whether administration of Nitroglycerin (NTG) as spasmolytic regimen reduces the incidence of moderate to severe radial artery spasm (RAS) in patients undergoing transradial catheterization in radial center.
Patients will be randomized to receive either 200 microgram NTG or placebo (saline) at the
beginning of the procedure soon after radial sheath placement. The operators will be blinded
to both assignment. The primary outcome is the incidence of moderate to severe RAS evaluated
by the operators during the radial procedure.
Both NTG and placebo will be administered using an identical syringe to keep the operators
blinded to the treatment allocation. Radial angiogram is mandatory to measure the diameter of
both radial and ulnar arteries. Doppler ultrasound of the radial artery will be examined at
the day after the procedure.
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