Arteriogram scoring systems and pulse generated run-off in the assessment of patients with critical ischaemia for femorodistal bypass
- 1 November 1989
- journal article
- research article
- Published by Oxford University Press (OUP) in British Journal of Surgery
- Vol. 76 (11), 1202-1206
- https://doi.org/10.1002/bjs.1800761127
Abstract
Conventional arteriography is the investigation of choice in patients with critical ischaemia to select the site for the distal anastomosis of a femorodistal bypass. Several arteriographic scoring systems have been devised in an attempt to quantify the run‐off. More recently Pulse Generated Run‐off and intraoperative peripheral resistance measurements have been proposed as better predictors of early graft patency. Eighty‐eight consecutive femorodistal bypass grafts were studied using Pulse Generated Run‐off (PGR), conventional and intra‐arterial digital subtraction arteriography (DSA) and peripheral resistance measurement. Three widely used arteriographic scoring systems were used to grade the arteriographic run‐off. There were significant correlations between the scoring systems and the measured peripheral resistance, although PGR correlated better with peripheral resistance than arteriography (rs = −0·59, P s = −0·82, P0·001). We recommend that selection for femorodistal reconstruction be based on a combination of intra‐arterial DSA and PGR. PGR will identify patent distal calf vessels not seen on arteriography and determine their continuity with the pedal arch, two features which are essential prerequisites for successful femorodistal bypass.Keywords
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