Does perfusion matter? Preoperative prediction of incisional hernia development.
Abstract
Incisional hernias complicate 12-15% of general surgery cases with higher rates reported after laparotomy for aortoiliac occlusive disease (10-17%) and aneurysmal disease (17-38%). We hypothesize that inadequate perfusion of the abdominal wall promotes future hernia development. Thirty-eight patients undergoing midline laparotomy or thoracoabdominal approach for aortic disease with at least 2 years of follow-up were included in the study. Preoperative imaging was reviewed to assess vessel patency, contributing to the abdominal wall perfusion. Patency of the superior epigastric artery was determined at the T10 level, the inferior epigastric artery at the L4 level, and the deep circumflex iliac artery at the anterior superior iliac spine. Lumbar arteries were considered patent if they were seen branching from the aorta. Clinic notes and hospital medical records were reviewed to evaluate the hernia development post-procedure. Thirteen patients (34%) developed an incisional hernia. Absent flow from bilateral superior epigastric arteries or absent flow from ipsilateral superior and inferior epigastric arteries was found to be predictive of hernia development (P = 0.013, 0.011, respectively). There was no association identified with ...Continue Reading
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