A prospective, randomized study of radial artery cannulation was under taken in patients about to undergo myocardial revascularization. Fifty-seven patients were entered in the study. The incidence of thrombosis was 33% among females and 9% among males. The occurrence of radial artery thrombosis, even in the presence of an incomplete palmar arch, did not result in clinical symp toms.
The factors influencing postcatheterization radial artery thrombosis are re veiwed.
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