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Updated: May 23, 2026

Visualization of Neutrophil Extracellular Traps in Mesenteric Venules After Mesenteric Ischemia-Reperfusion Injury via Intravital Microscopy

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Revascularization for acute mesenteric ischemia.

Evan J Ryer¹, Manju Kalra, Gustavo S Oderich

¹Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, MN 55905, USA.

Journal of Vascular Surgery

|April 17, 2012

Summary

This summary is machine-generated.

Acute mesenteric ischemia (AMI) management has evolved, with endovascular therapy used more frequently but still in a minority of patients. Despite changes, high morbidity and mortality persist, with advanced atherosclerosis predicting poor outcomes.

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Area of Science:

Vascular Surgery
Gastroenterology
Emergency Medicine

Background:

Acute mesenteric ischemia (AMI) presents diagnostic challenges, high complication rates, and significant mortality.
Evaluating long-term trends in AMI management and outcomes is crucial for improving patient care.

Purpose of the Study:

To assess changes in the management of acute mesenteric ischemia (AMI) over two decades.
To evaluate current outcomes for patients undergoing arterial revascularization for AMI.

Main Methods:

Retrospective review of 93 patients undergoing arterial revascularization for AMI between 1990 and 2010.
Comparison of patient demographics, treatment modalities, and outcomes between two 10-year periods (1990-1999 and 2000-2010).

Main Results:

Contemporary patients were older; endovascular therapy use increased but remained low (8/11 in the last decade).
Second-look laparotomy use significantly increased in the last decade (80% vs. 48%).
Thirty-day mortality decreased but was not statistically significant (27% vs. 17%); major adverse events remained constant.

Conclusions:

Morbidity and mortality for AMI remain high despite evolving treatment strategies.
Endovascular revascularization is increasingly used but still in a minority of severe AMI cases.
Advanced ischemia, bowel infarction, and atherosclerosis predict poor outcomes; prior chronic mesenteric ischemia suggests a better prognosis.