Findings show low palmar arch velocity is not linked to ischemic hand symptoms post radial artery harvest, indicating safety in specific cases.
Low palmar arch reversal velocity on preoperative duplex ultrasonography was not associated with an increased risk of hand ischemia after radial artery harvest. These findings suggest that harvesting the radial artery is safe in patients with marginal or even low flow, provided ulnar collateral circulation is adequate.
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Szeto et al. (2025) studied this question.
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