Arterial clamping leads to stenosis at clamp sites after femoropopliteal bypass surgery

Bianca H.R. Vriens, Robert A. Pol, Robin G. Hulsebos, Rob J. van Det, Jacobus Adrianus Maria van der Palen, Clark J. Zeebregts, Robert H. Geelkerken

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Background To date, the incidence and clinical relevance of arterial stenosis at clamp sites after femoropopliteal bypass surgery is unknown. Methods Ninety-four patients underwent a femoropopliteal bypass in which the arterial inflow and outflow clamp sites were controlled by the Fogarty-Soft-Inlay clamp and marked with an hemoclip. The number of pre-existing atherosclerotic segments, clamp force, and clamp time were recorded and the occurrence of a stenosis at the clamp site was determined. Results After a mean follow-up of 83 months, a significant stenosis was confirmed at 23 of the 178 clamp sites (12.9%; 95% confidence interval 8.4 to 18.8). The mean number of pre-existing atherosclerotic segments (P = .28) and the mean clamp force (P = .55) was similar between the groups with and without a stenosis. There was a significant difference regarding clamp time between the group with and without a stenosis (38 minutes and 26 minutes, P = .001). Conclusion Arterial clamping, even with the Fogarty-Soft-Inlay clamp, can lead to clamp stenosis and seems to be related to the duration of clamping, but not to pre-existent atherosclerotic burden.
Original languageEnglish
Pages (from-to)536-544
Number of pages9
JournalAmerican journal of surgery
Issue number3/September
Publication statusPublished - 2015


  • METIS-311819
  • IR-97250

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