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Incidence and Endovascular Treatment of Isolated Atherosclerotic Popliteal Artery Disease: Outcomes from the IPAD Multicenter Study

  • Clinical Investigation
  • Arterial Interventions
  • Published:
CardioVascular and Interventional Radiology Aims and scope Submit manuscript

Abstract

Purpose

To report the incidence and long-term outcomes following endovascular treatment of symptomatic, atherosclerotic isolated popliteal artery disease (IPAD).

Materials and Methods

This retrospective, multicenter study included all patients who underwent endovascular treatment of IPAD between January 2010 and December 2016 because of intermittent claudication or critical limb ischemia (CLI), in three tertiary University Hospitals. In total, 4717 peripheral arterial disease (PAD) procedures were analyzed. The study’s primary outcome measures were: IPAD incidence, binary restenosis rate and freedom from target lesion revascularization (TLR). Secondary outcome measures included technical success, limb salvage rate and the identification of predictors of outcomes.

Results

The incidence of IPAD was 0.98% (46/4717 PAD procedures). In total, 46 patients (38 male; mean age 73 ± 12 years) underwent plain balloon (69.5%) or bail-out stenting (30.5%) procedures. Most patients suffered from CLI (65.2%). Mean lesion length was 52.5 ± 32.0 mm and 45.6% of the cases were occlusions. Severe calcifications were noted in 26.1%. Technical success was 100%. Mean time follow-up was 32.6 ± 25.6 months. According to Kaplan–Meier analysis, restenosis was 15.8, 40.9, 45.8% and TLR-free rate was 90.5, 79.0, 74.1%, at 1, 2 and 3 years, respectively. Survival and limb salvage rates were 73.6 and 88.1%, at 5 years, respectively. The major amputation rate for CLI patients was 10.0% (3/29 limbs), while no major amputations occurred in the claudication subgroup. Cox multivariable analysis detected baseline occlusion as an independent predictor of increased restenosis (HR 5.3; 95% CI 0.21–0.66, p = 0.02).

Conclusions

Isolated popliteal lesions requiring treatment appear in nearly 1% of patients with PAD. Balloon angioplasty and bail-out stenting resulted in acceptable long-term clinical outcomes. Treatment of occlusions was correlated with increased restenosis rate.

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Correspondence to Stavros Spiliopoulos.

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The authors declare that they have no conflict of interest.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

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Procedural informed consent was obtained from all individual participants included in the study.

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Spiliopoulos, S., Kitrou, P., Galanakis, N. et al. Incidence and Endovascular Treatment of Isolated Atherosclerotic Popliteal Artery Disease: Outcomes from the IPAD Multicenter Study. Cardiovasc Intervent Radiol 41, 1481–1487 (2018). https://doi.org/10.1007/s00270-018-2028-7

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  • DOI: https://doi.org/10.1007/s00270-018-2028-7

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