Demonstrates that coronary collaterals can remain dormant for years and be instantaneously recruited in reverse upon vessel occlusion.
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Supports bidirectional collateral recruitability over years in select cases; hypothesis-generating case report that leaves open clinical implications.
We report a case of instantaneous recruitment of reversed coronary collaterals 6 years after their disappearance with recanalization of the recipient vessel. Coronary collaterals can provide flow in both directions and remain immediately recruitable for years in case of occlusion of either vessel involved.
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Moles et al. (1992) studied this question.
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