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Subintimal angioplasty of infrapopliteal occlusions in critically ischaemic limbs
S Nydahl1, T Hartshorne, P R Bell
1Department of Surgery, Leicester Royal Infirmary, U.K.
Objective:
To review the outcome of subintimal angioplasty of infrapopliteal artery occlusions in critically ischaemic limbs.
Design:
Retrospective review.
Materials:
Twenty-eight consecutive limbs with critical ischaemia that had undergone subintimal angioplasty of infrapopliteal occlusions.
Results:
There were 32 infrapopliteal artery occlusions in 28 critically ischaemic limbs in 27 patients. The median (range) patient age was 81 (48-88) years. Seventeen limbs (61%) were ulcerated, seven (25%) were gangrenous and four (14%) had rest pain only. Twenty-five (89%) procedures were to a single calf vessel, and three (11%) procedures were to multiple calf vessels. The median (range) length of the occlusions was 7 (2-30) cm. The initial technical success rate was 27/32 (84%). There were three minor complications--one groin haematoma, one vessel perforation and one distal embolus. There were no limbs lost as a result of the procedure itself and the 30-day mortality was zero. The 12-month actuarial haemodynamic and symptomatic patencies (including initial failures) were 53% and 56%, respectively. The 12-month limb salvage rate was 85% and patient survival was 81%.
Conclusion:
We conclude that subintimal angioplasty in patients with infrapopliteal artery occlusions and critical ischaemia is safe, effective, and offers a low-risk alternative to distal reconstructive surgery.