Delayed arterial embolectomy: a plea for a more active surgical approach

Area of Science:

• Vascular Surgery
• Interventional Cardiology

Background:

• Limb embolism can lead to severe complications if not treated promptly.
• Delayed treatment of arterial embolism presents unique surgical challenges due to embolus adherence and secondary thrombus formation.

Purpose of the Study:

• To evaluate the efficacy of delayed embolectomy in limb salvage.
• To compare the outcomes of direct surgical embolectomy versus conventional balloon catheter embolectomy in delayed cases.

Main Methods:

• Retrospective analysis of 18 patients undergoing delayed limb embolectomy (8-63 days post-embolism).
• Comparison of surgical techniques: direct local/regional arterial exposure versus distant balloon catheter embolectomy.
• Preoperative arteriography and assessment of neuromuscular function were utilized.

Main Results:

• Blood flow was restored in 10 out of 18 patients.
• Direct embolectomy resulted in better limb salvage rates compared to balloon catheter embolectomy.
• Mortality occurred in 3 patients, with 2 deaths post-amputation; 7 limbs required amputation.

Conclusions:

• Successful delayed embolectomy, particularly with intact neuromuscular function, relies heavily on surgical technique.
• Direct surgical removal of emboli and secondary thrombi via open arterial exposure is recommended for delayed arterial embolization.
• An aggressive surgical approach is advocated for delayed arterial embolization when feasible.