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10-Year Paclitaxel Dose-Related Outcomes of Drug-Eluting Stents Treated Below the Knee in Patients with Chronic Limb-Threatening Ischemia (The PADI Trial).


ABSTRACT: PURPOSE:Recently, two meta-analyses concluded that there appears to be an increased risk of long-term mortality of paclitaxel-coated balloons and stents in the superficial femoral and popliteal artery, and paclitaxel-coated balloons below the knee. In this post hoc study of the PADI Trial, we investigated the long-term safety of first-generation paclitaxel-coated drug-eluting stents (DES) below the knee and the dose-mortality relationships of paclitaxel in patients with chronic limb-threatening ischemia (CLI). MATERIALS AND METHODS:The PADI Trial compared paclitaxel-coated DES with percutaneous transluminal angioplasty with bail-out bare-metal stents (PTA?±?BMS) in patients with CLI treated below the knee. Follow-up was extended to 10 years after the first inclusion, and survival analyses were performed. In addition, dose-related mortality and dose per patient weight-related mortality relations were examined. RESULTS:A total of 140 limbs in 137 patients were included in the PADI Trial. Ten years after the first inclusion, 109/137 (79.6%) patients had died. There was no significant difference between mortality in the DES group compared with the PTA?±?BMS group (Log-rank p value?=?0.12). No specific dose-related mortality (HR 1.00, 95% CI 0.99-1.00, p?=?0.99) or dose per weight mortality (HR 1.05, 95% CI 0.93-1.18, p?=?0.46) relationships were identified in the Cox-proportional Hazard models or by Kaplan-Meier survival analyses. CONCLUSIONS:There is a poor 10-year survival in both paclitaxel-coated DES and PTA?±?BMS in patients with CLI treated below the knee. No dose-related adverse effects of paclitaxel-coated DES were observed in our study of patients with CLI treated below the knee. LEVEL OF EVIDENCE:The PADI Trial: level 1, randomized clinical trial.

SUBMITTER: Konijn LCD 

PROVIDER: S-EPMC7649154 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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10-Year Paclitaxel Dose-Related Outcomes of Drug-Eluting Stents Treated Below the Knee in Patients with Chronic Limb-Threatening Ischemia (The PADI Trial).

Konijn Louise C D LCD   Wakkie Thijs T   Spreen Marlon I MI   de Jong Pim A PA   van Dijk Lukas C LC   Wever Jan J JJ   Veger Hugo T C HTC   Statius van Eps Randolph G RG   Mali Willem P Th M WPTM   van Overhagen Hendrik H  

Cardiovascular and interventional radiology 20200728 12


<h4>Purpose</h4>Recently, two meta-analyses concluded that there appears to be an increased risk of long-term mortality of paclitaxel-coated balloons and stents in the superficial femoral and popliteal artery, and paclitaxel-coated balloons below the knee. In this post hoc study of the PADI Trial, we investigated the long-term safety of first-generation paclitaxel-coated drug-eluting stents (DES) below the knee and the dose-mortality relationships of paclitaxel in patients with chronic limb-thre  ...[more]

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