Abstract 14323: Impact of One Tibial Artery Revascularization on Skin Perfusion Pressure and Microcirculation in Critically Ischemic Limbs
Objectives: Skin perfusion pressure (SPP) can be used to evaluate the microcirculation in the foot. The aim of this study was to clarify the effect of one tibial artery revascularization on the dorsal and plantar microcirculations in the critically ischemic limbs on the SPP basis.
Methods: A total of 98 crural artery interventions were performed for the treatment of critical limb ischemia between May 2011 and May 2013. Out of them, 26 interventions performed only for anterior tibial artery (ATA) or posterior tibial artery (PTA) revascularization were included in this study. SPP was measured before and after the procedure.
Results: Dorsal and plantar SPP significantly increased from 36.4±15.0 to 57.8±17.2 (P<0.001) and 32.5±16.6 to 50.4±15.0 (P=0.002) after ATA revascularization, and 35.8±13.0 to 51.3±15.4 (P=0.028) and 27.6±12.3 to 44.4±14.8 (P=0.019) after PTA revascularization. Both anterior and posterior tibial artery revascularizations showed no significant difference in [[Unable to Display Character: ⊿]]SPP between the dorsal foot and the plantar foot (Figure). 59% of ATA revascularization cases demonstrated a higher[[Unable to Display Character: ⊿]]SPP in the plantar foot than in the dorsal foot while 56% of PTA revascularization cases demonstrated a higher [[Unable to Display Character: ⊿]]SPP in the dorsal foot than in the plantar foot.
Conclusions: One tibial artery revascularization, whether anterior or posterior tibial artery, yielded a comparable improvement of microcirculation in the dorsal foot and plantar foot. Approximately half of cases presented a change in foot microcirculation not corresponding angiosome theory.
- © 2013 by American Heart Association, Inc.