In a randomized, double-blind trial, 100 patients undergoing angiography were pre-treated with either topical nitroglycerin (NTG) or placebo. Outcomes assessed included radial artery spam (RAS) incidence, radial artery puncture success, number of attempts, procedural duration, patient discomfort, and complications. RAS was evaluated angiographically and clinically, with additional subgroup analyses for diabetic and smoking patients
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Radial artery spasm as determined by angiography of radial artery; spasm being defined as >50% stenosis
Timeframe: Baseline