The study analyzed data from a prospective, multicenter registry that included patients treated with DCBs—either Lutonix or IN.PACT Admiral—for femoropopliteal artery disease between March 2018 and December 2019. Of the 3,165 lesions treated, 991 were in patients undergoing hemodialysis. The primary outcome of interest was freedom from restenosis over three years.
The study led to the following findings:
- After propensity score matching, the 1-year freedom from restenosis rate was 82.2% in the hemodialysis group and 85.8% in the non-dialysis group.
- At three years, freedom from restenosis declined to 61.9% in hemodialysis patients and 66.3% in those not on dialysis.
- Restenosis outcomes consistently favored patients not undergoing dialysis.
- Risk factors linked to poorer vessel patency in the hemodialysis group included the absence of below-the-knee runoff, prior endovascular therapy, popliteal artery lesions, severe vascular calcification, use of the Lutonix balloon, and severe dissection after the procedure.
- In the hemodialysis group, restenosis was observed in 363 lesions during a median follow-up of 16.2 months.
- Despite the higher restenosis rates, over 90% of hemodialysis patients achieved limb salvage within three years.
- The high limb preservation rate supports the role of DCB therapy as an effective option, even in complex hemodialysis patients.
- Hemodialysis patients were generally younger (average age 72 years) compared to non-dialysis patients (76 years).
- In the hemodialysis group, there was a higher prevalence of diabetes and chronic limb-threatening ischemia.
- These underlying conditions may have contributed to the increased complexity and poorer patency outcomes observed in patients on dialysis.
The authors wrote, "DCB endovascular therapy represents a viable and effective treatment option for managing femoropopliteal lesions in patients undergoing hemodialysis. While the durability of vessel patency may be somewhat reduced in this high-risk group, the consistently high rates of limb preservation highlight its clinical value."
They emphasize the importance of adopting a tailored approach to endovascular care—one that takes into account specific anatomical and procedural factors—to optimize long-term outcomes in patients on dialysis.
Reference:
Yamauchi, Y, Takahara, M, Soga, Y. et al. Vessel Patency After Femoropopliteal Drug-Coated Balloon Therapy in Patients on Hemodialysis. J Am Coll Cardiol Intv. 2025 Jul, 18 (13) 1660–1670.
https://doi.org/10.1016/j.jcin.2025.05.001
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