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The latest results from the largest study to date comparing open and endovascular surgery for abdominal aortic aneurysm repair found no difference in long-term survival between the procedures.

The findings called into question the benefit of offering endovascular AAA repair to patients who are too sick to undergo open surgery.

"The dream of improving long-term survival and expanding the population that will benefit from AAA repair is seemingly over," Brigham & Women's Hospital's Dr. Joshua Beckman wrote in an editorial accompanying the results from the Open Versus Endovascular Repair study.

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