SummaryBackground: An imaging test that quantifies atherosclerotic burden and that can be integrated with existing risk stratification paradigms would be a very useful clinical tool.Hypothesis: Measurement of carotid intima-media thickness (CIMT) is feasible in a clinical setting. Such measurements can be integrated into coronary risk assessment models.Methods: Carotid intima-media thickness was measured by B-mode ultrasound in 82 consecutive patients without manifest atherosclerotic vascular disease. The values were used to determine "vascular age" (VA) based on nomograms from the Atherosclerosis Risk in Communities study. Vascular age was substituted for chronological age and standard and vascular age-adjusted 10-year coronary heart disease (CHD) risk estimates were compared.Results: The mean chronological age was 55.8 ± 9.0 years. The mean VA using CIMT was 65.5 ± 18.9 years (p < 0.001). The Framingham 10-year hard CHD risk estimate was 6.5 ± 4.9%. Substituting CIMT-derived VA for chronological age increased the 10-year CHD risk estimate to 8.0 ± 6.8% (p < 0.001). Of 14 subjects initially at intermediate risk, 5 (35.7%) were reclassified as higher risk and 2 (14.3%) were reclassi-
A well-known complication of central venous catheterization is inadvertent arterial sheath placement. Sheath removal from noncompressible arteries has the potential for severe complications. We report a case of inadvertent subclavian arterial sheath placement during an attempted internal jugular venous catheterization. This was successfully removed using a percutaneous vascular suture device.
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