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CURRENT ISSUEINTERNATIONAL ANGIOLOGY

A Journal on Angiology


Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
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Original articles  


International Angiology 2008 August;27(4):329-32

language: English

Relationship between the diameter of the vein graft and postoperative ankle brachial pressure index following fomoro-popliteal bypass

Matsushita M., Ikezawa T., Banno H.

Department of Vascular Surgery, Aichi Cardiovascular and Respiratory Center, Aichi, Japan


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Aim. We studied whether the diameter of the saphenous vein graft affects the result of femoro-popliteal bypass surgery.
Methods. Thirty-eight patients with bypasses from the femoral artery to the above knee popliteal artery were studied. Bypasses without a patent anterior or posterior tibial artery were excluded. The great saphenous vein was used as a bypass graft in 20 extremities and Dacron grafts (6 mm or 8 mm diameter) were used in 18 arteries. The smallest diameter of the saphenous vein was measured preoperatively with ultrasonography. Vein grafts were divided into two groups: small vein graft (≤3 mm) and large vein graft (≥3.5 mm). The ankle brachial pressure index (ABI) was measured at 1 week and 3 months after operation.
Results. The diameter of the vein graft (2.5 to 4 mm, 3.4±0.5 mm) was positively correlated with postoperative ABI (R2 0.607, P<0.0001). The postoperative ABI at 1 week was significantly lower in the small vein graft group (0.72±0.09) than in the large vein graft group (0.95±0.11) and in the Dacron graft group (1.05±0.16). The ABI at 3 months was still significantly lower in small vein graft group (0.78±0.07).
Conclusion. The diameter of the vein graft was positively correlated with postoperative ABI after femoro-popliteal above knee bypass. Postoperative ABI was lower using a vein graft with a diameter of ≤3 mm than that using a bigger vein graft or a Dacron graft.

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