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Surveillance Versus Nonsurveillance for Femoro-Popliteal Bypass Grafts

Department of Vascular Surgery, Queen Elizabeth Hospital, Gateshead, UK

G. Rudol, MBBS

Department of Vascular Surgery, Queen Elizabeth Hospital, Gateshead, UK

H. Ashour, FRCS

Department of Vascular Surgery, Queen Elizabeth Hospital, Gateshead, UK

A. Mudawi, FRCS

Department of Vascular Surgery, Queen Elizabeth Hospital, Gateshead, UK

V. Bhattacharya, FRCS

Department of Vascular Surgery, Queen Elizabeth Hospital, Gateshead, UK, vish.bhattacharya{at}ghnt.nhs.uk

This is a study of 97 patients who underwent 106 femoropopliteal bypass grafts (9 bilateral bypasses) for short-distance claudication and critical ischemia. Patients were divided into 2 groups. The first group (n=64) was followed up by use of duplex scans. The second group (n=42) was followed up in clinic without duplex surveillance. Twenty-three patients from the surveillance group developed stenoses of the grafts. Of these, 14 underwent successful angioplasty. A total of 43 grafts became blocked. Graft occlusion was significantly more common in the nonsurveillance group (n=29) as compared to the surveillance group (n=14) after both 1 and 3 years of observation (p=0.001). Patients with critical ischemia showed a higher rate of graft occlusion than the claudicants (p=0.0075). Sixteen patients in the nonsurveillance group underwent above/below-knee amputation compared to 1 in the surveillance group. There was no significant difference in the mortality rate in the 2 groups. Graft surveillance helped to improve patency of grafts by identifying the correctable lesions.

Angiology, Vol. 55, No. 3, 251-256 (2004)
DOI: 10.1177/000331970405500303


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