STEP 13Inadequate vascular supply

In very rare cases no anastomosis is found between the left colonic artery and the first sigmoid artery. In those cases the main branch of the inferior mesenteric artery can be used as an anastomosis between the two areas of blood supply. This can only be accomplished when the distal parts of the sigmoid colon are adequately perfused by the medial and inferior rectal artery. This has to be checked by temporary clamping.

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How to Stay Young

How to Stay Young

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