Influence of Infrapopliteal Runoff Vessels on Primary Patency after Superficial Femoral Artery Angioplasty with Stenting in Patients with Claudication

다국어 초록 (Multilingual Abstract)

Purpose: The number of infrapopliteal runoff vessels seems to be one of the factorsinfluencing arterial patency in patients who had undergone superficial femoralartery (SFA) angioplasty with stenting. However, the effectiveness of infrapoplitealrunoff vessels in predicting patency during SFA angioplasty remains unclear. Thisstudy aimed to determine whether the number and quality of infrapopliteal runoffvessels affect the primary patency after SFA angioplasty with stenting in patientswith claudication.
Materials and Methods: This study reviewed a retrospective database of patientswith claudication who underwent SFA angioplasty with stenting between March2011 and December 2016. The preoperative computed tomography findings of allpatients were reviewed to assess infrapopliteal runoff vessels. The Trans-AtlanticInter-Society (TASC) II classification and modified Society for Vascular Surgery (SVS)runoff score were used for subsequent analysis. Kaplan–Meier survival curves wereconstructed, and Fisher’s exact and chi-square tests were used for data analysis.
Results: A total of 153 limbs of 122 patients (88.2% male, mean age: 69.1 years)underwent SFA angioplasty with stenting. The overall primary patency rates ofTASC II A/B and C/D cases were 77.1% and 31.2%, respectively, at 36 months(P<0.001). The primary patency rates at 36 months using the modified SVS runoffscoring system were 64.6% and 49.8% for the good-to-compromised (≤9 points)and poor (≥10 points) runoff groups, respectively (P=0.011).
Conclusion: The modified SVS runoff scoring system is effective in predicting primarypatency after SFA angioplasty with stenting in patients treated for claudication.

참고문헌 (Reference)

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