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Rivista di Angiologia
Official Journal of the , the International Union of Phlebology and the
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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International Angiology 2000 Settembre;19(3):255-258
Patency after revision surgery for failing infrainguinal vein grafts
Sato O., Miyata T. *, Deguchi J. *, Kimura H., Kondoh K.
From the Department of Surgery, Saitama Medical Center, Kawagoe, Saitama, and the * Second Department of Surgery, University of Tokyo, Tokyo, Japan
Background. Although the results of bypass surgery on arteries in the lower extremities have been greatly improved during the last decades, there are still a significant number of primary failures. In order to investigate the reasons for the failure of autogenous vein grafts after infrainguinal arterial bypass surgery and to ascertain the results of revision operations on the failing grafts, we conducted a clinical study.
Methods. Retrospective study on 104 patients who underwent infrainguinal arterial revascularisation with autogenous veins.
Results. One hundred and twenty-six bypasses were constructed in 121 limbs. Seventy-nine of these were for claudication and 47 for threatened limbs (rest pain or ischaemic tissue loss). Five-year primary and secondary patency rates were 69.7% and 84.9% respectively. Spliced or suture-repaired grafts had a poor outcome; five out of seven eventually becoming thrombosed. On the other hand, revision operations for failing but not yet thrombosed grafts produced good results; the five-year primary patency rate after these operations was 76.0%, whereas after single-segment primary grafting it was 72.1%.
Conclusions. These results stress the importance of vigilant follow-up and active intervention for failing grafts. Poor outcome with injured vein grafts emphasizes the importance of meticulous vein harvesting.