Norton scale for predicting prognosis in elderly patients undergoing trans-catheter aortic valve implantation: A historical prospective study.

Background: The Norton scale is traditionally used to assess the risk of pressure ulcers. However, recent studies have shown its prognostic utilization in elderly patients with diverse medical conditions. The association between low admission Norton scale scores (ANSS), complications, and mortality in elderly patients following trans-catheter aortic valve implantation (TAVI) has never been studied.