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These data support the use of the LD-SPP test in the selection of major amputation level consistent with healing in ischemic limbs. Further study of the value of this parameter in the determination of minor amputation wound healing is necessary.

Laparoscopic-assisted aneurysmectomy is safe and effective and can be performed with good results. The longer operation time required is well tolerated in patients who are at good and moderate risk. Prior training in laparoscopic aortic surgery is necessary for surgeons to obtain the required level of expertise needed to perform these procedures. With these caveats, the results of our study suggest that laparoscopic-assisted aortic aneurysmectomy is appropriate for moderate-to-good risk (American Society of Anesthesiologists class of III or lower) operative candidates meeting standard criteria for aneurysm resection in whom preoperative computed tomography scan and biplane arteriography demonstrate a proximal aneurysm neck of 0.5 cm or larger and no need for visceral or internal iliac artery reconstruction. A randomized trial would be required to confirm the benefits of this procedure over open aneurysmectomy.

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The laparoscopic approach to infrarenal AAAs appears feasible, with several potential advantages in low- and moderate-risk patients. Once the technique is optimized, randomized prospective studies will be needed to verify the apparent benefits demonstrated by these initial patients.

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These early observations suggest that the laparoscopic treatment of infrarenal abdominal aneurysms may have several significant potential benefits. Long-term results and randomized prospective studies with patients matched by risk stratification will be needed to confirm these impressions.