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Non-Invasive Femoropopliteal Assessment: Is That Angiogram Really Necessary?

C. P. Shearman, B. R. Gwynn, F. Curran, M. X. Gannon and M. H. Simms
British Medical Journal (Clinical Research Edition)
Vol. 293, No. 6554 (Oct. 25, 1986), pp. 1086-1089
Published by: BMJ
Stable URL: http://www.jstor.org/stable/29524928
Page Count: 4
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Non-Invasive Femoropopliteal Assessment: Is That Angiogram Really Necessary?
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Abstract

A method of non-invasive preoperative assessment of chronically ischaemic legs was developed that used clinical data and data derived from Doppler ultrasonography to produce a numerical score that could be compared with an angiographic score for stenosis of the popliteal artery trifurcation. The two scoring systems were applied retrospectively to 144 legs after femorodistal bypass. A close correlation was observed (r=0.89, p<0.001), and both systems tended to predict the level of grafting undertaken. A prospective comparison was then made in 81 ischaemic legs that were examined by arteriography; the correlation between the two scoring systems remained close (r=0.89, p<0.001), and the level of bypass was correctly predicted by the non-invasive assessment in 44 of 50 legs that were operated on. Use of the non-invasive assessment subseaquently greatly reduced the indications for preoperative arteriography in patients requiring femorodistal vascular reconstruction.

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