The APERTO CVS PMCF study is aimed to evaluate safety and effectiveness of treatment of central veins (re)stenosis in dialysis patients at short and mid-term follow up, after treatment with APERTO OTW DCB. Primary endpoint will consist in evaluating the intervention free period for patients treated with APERTO OTW.~APERTO CVS PMCF Study will also collect data for post-market clinical follow up (PMCF) in a CE mark device used according to intended use
Prospective Observational Single Arm study aimed to assess safety and effectiveness of APERTO OTW DCB in treating stenosis and restenosis of central veins in dialysis patients