← brief for 2026-08-13 · Slowing decline

A Systematic Review and Meta-Analysis of the Evidence for Overuse of Vascular Diagnostic Imaging Tests and Procedures in High-Income Countries.

Key takeaways

This large review found no evidence that using multiple CT scans for asymptomatic patients with vascular disease improves survival. Using fewer scans may reduce risk of kidney damage from contrast dye.

Who did this work

Kirkham AM (Division of Vascular and Endovascular Surgery, Department of Surgery, University of Ottawa, Ottawa, Ontario, Canada; School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Methodological and Implementation Research Program, The Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, Ontario, Canada.) · Sypes EE (Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada.) · Xu CC (Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada.) · Nagpal SK (Division of Vascular and Endovascular Surgery, Department of Surgery, University of Ottawa, Ottawa, Ontario, Canada.) · Niven DJ (Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada; O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada.) · Mamas MA (Keele Cardiovascular Research Group, School of Medicine, Keele University, Keele, UK.) · McIsaac DI (School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Methodological and Implementation Research Program, The Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, Ontario, Canada; Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada; Department of Anesthesiology and Pain Medicine, University of Ottawa and The Ottawa Hospital, Ottawa, Ontario, Canada.) · Shorr R (Learning Services, The Ottawa Hospital, Ottawa, Ontario, Canada.) · Graham ID (School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Methodological and Implementation Research Program, The Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, Ontario, Canada.) · Stelfox HT (Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada; O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada; Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.) · Grimshaw JM (School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Methodological and Implementation Research Program, The Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, Ontario, Canada; Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada.) · Roberts DJ (Division of Vascular and Endovascular Surgery, Department of Surgery, University of Ottawa, Ottawa, Ontario, Canada; School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada; Methodological and Implementation Research Program, The Ottawa Hospital Research Institute, The Ottawa Hospital, Ottawa, Ontario, Canada; O'Brien Institute for Public Health, University of Calgary, Calgary, Alberta, Canada; Clinical Science and Translational Medicine Graduate Program, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada. Electronic address: [email protected].)

Source

Paper · Europe PMC, CKD · 2026-08-07
https://doi.org/10.1016/j.avsg.2026.07.051