Winslow pathway

Last revised by Rohit Sharma on 2 Feb 2024

The Winslow pathway is a type of collateral vessel communication which connects the mammary arteries through the internal thoracic arteries to the inferior epigastric arteries and then into the external iliac arteries 3. It may recanalize in conditions such as aortoiliac occlusive disease 3. This pathway is clinically important to be aware of in the circumstance where a patient requires a coronary artery bypass graft, where inadvertent redirection of the internal thoracic artery can result in lower extremity ischemia 1-3.

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