Vascular Laboratory Prediction of Pedal Pressure Following Femoropopliteal Bypass

Edward S. Phinney, James M. Edwards, Malcolm B. Herring, Lloyd M. Taylor, John M. Porter

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


This study examines the hypothesis that postoperative ankle-brachial pressure index (postop ABI) can be accurately predicted using noninvasive preoperative segmental leg pressure measurements. Seventy-three patients who underwent successful reverse autogenous vein femoropopliteal bypass and who had pre- and postoperative segmental leg pressure measurements were examined. Predicted postop ABI was estimated using the following formula: Postop ABI = 1 + (Preop ABI) − (Preop BKI). (BKI = below-knee brachial pressure index). Using this formula, 56 out of 73 (81%) patients had a measured postop ABI ± 20% of predicted postop ABI. Five out of 73 (7%) patients had postop ABI < 80% predicted, while 12 out of 73 (16%) patients had postop ABI > 120% of predicted. All patients with postop ABI > 120% of predicted had apparent tibial artery occlusive disease as indicated by preoperative gradients (BKI-ABI) > 0.15.

Original languageEnglish (US)
Pages (from-to)1-5
Number of pages5
JournalAnnals of Vascular Surgery
Issue number1
StatePublished - 1988
Externally publishedYes


  • Ankle-brachial pressure index
  • femoropopliteal bypass
  • prediction of pedal pressure

ASJC Scopus subject areas

  • Surgery
  • Cardiology and Cardiovascular Medicine


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