“…Similarly, increased levels of vitamins K and E, with parallel administration of warfarin as anticoagulation therapy for PAD's comorbidities, have been associated with vascular calcification. Thus, patients on coumadin should be routinely monitored for these nutrient deficiencies and at the same time evaluated for candidacy for newer oral anticoagulants (Foley et al, 2017;Kokkinidis et al, 2020a;Siasos et al, 2020). Novel oral anticoagulants in combination with aspirin may provide an alternative treatment in PAD, however, it is deemed necessary to identify patient subgroups who will benefit the most (Koutsoumpelis et al, 2018).…”