S Sohrabi1, S Wheatcroft, J H Barth, M A Bailey, A Johnson, K Bridge, K Griffin, P D Baxter, D J A Scott. 1. Leeds Vascular Institute, Leeds, UK; Leeds General Infirmary Teaching Hospital NHS Trust, Leeds, UK; Institute for Genetics Health and Therapeutics, Multidisciplinary Cardiovascular Research Centre (MCRC), Division of Cardiovascular and Diabetes Research, University of Leeds, Leeds, UK.
Abstract
BACKGROUND: Cardiovascular disease (CVD) is the main cause of death in people with abdominal aortic aneurysm (AAA). There is little evidence that screening for AAA reduces all-cause or cardiovascular mortality. The aim of the study was to assess whether subjects with a small or medium AAA (3·0-5·4 cm), without previous history of clinical CVD, had raised levels of CVD biomarkers or increased total mortality. METHODS: This prospective study included subjects with a small or medium AAA and controls, all without a history of clinical CVD. CVD biomarkers (high-sensitivity C-reactive protein, hs-CRP; heart-type fatty acid-binding protein, H-FABP) were measured, and survival was recorded. RESULTS: Of a total of 815 people, 476 with an AAA and 339 controls, a cohort of 86 with small or medium AAA (3-5·4 cm) and 158 controls, all with no clinical history of CVD, were identified. The groups were matched for age and sex. The AAA group had higher median (i.q.r.) levels of hs-CRP (2·8 (1·2-6·0) versus 1·3 (0·5-3·5) mg/l; P < 0·001) and H-FABP (4·6 (3·5-6·0) versus 4·0 (3·3-5·1) µg/l; P = 0·011) than controls. Smoking was more common in the AAA group; however, hs-CRP and H-FABP levels were not related to smoking. Mean survival was lower in the AAA group: 6·3 (95 per cent confidence interval (c·i.) 5·6 to 6·9) years versus 8·0 (7·6 to 8·1) years in controls (P < 0·001). Adjusted mortality was higher in the AAA group (hazard ratio 3·41, 95 per cent c·i. 2·11 to 9·19; P < 0·001). CONCLUSION: People with small or medium AAA and no clinical symptoms of CVD have higher levels of hs-CRP and H-FABP, and higher mortality compared with controls. They should continue to receive secondary prevention against CVD.
BACKGROUND: Cardiovascular disease (CVD) is the main cause of death in people with abdominal aortic aneurysm (AAA). There is little evidence that screening for AAA reduces all-cause or cardiovascular mortality. The aim of the study was to assess whether subjects with a small or medium AAA (3·0-5·4 cm), without previous history of clinical CVD, had raised levels of CVD biomarkers or increased total mortality. METHODS: This prospective study included subjects with a small or medium AAA and controls, all without a history of clinical CVD. CVD biomarkers (high-sensitivity C-reactive protein, hs-CRP; heart-type fatty acid-binding protein, H-FABP) were measured, and survival was recorded. RESULTS: Of a total of 815 people, 476 with an AAA and 339 controls, a cohort of 86 with small or medium AAA (3-5·4 cm) and 158 controls, all with no clinical history of CVD, were identified. The groups were matched for age and sex. The AAA group had higher median (i.q.r.) levels of hs-CRP (2·8 (1·2-6·0) versus 1·3 (0·5-3·5) mg/l; P < 0·001) and H-FABP (4·6 (3·5-6·0) versus 4·0 (3·3-5·1) µg/l; P = 0·011) than controls. Smoking was more common in the AAA group; however, hs-CRP and H-FABP levels were not related to smoking. Mean survival was lower in the AAA group: 6·3 (95 per cent confidence interval (c·i.) 5·6 to 6·9) years versus 8·0 (7·6 to 8·1) years in controls (P < 0·001). Adjusted mortality was higher in the AAA group (hazard ratio 3·41, 95 per cent c·i. 2·11 to 9·19; P < 0·001). CONCLUSION: People with small or medium AAA and no clinical symptoms of CVD have higher levels of hs-CRP and H-FABP, and higher mortality compared with controls. They should continue to receive secondary prevention against CVD.
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Authors: Eliana Portilla-Fernandez; Derek Klarin; Shih-Jen Hwang; Mary L Biggs; Joshua C Bis; Stefan Weiss; Susanne Rospleszcz; Pradeep Natarajan; Udo Hoffmann; Ian S Rogers; Quynh A Truong; Uwe Völker; Marcus Dörr; Robin Bülow; Michael H Criqui; Matthew Allison; Santhi K Ganesh; Jie Yao; Melanie Waldenberger; Fabian Bamberg; Kenneth M Rice; Jeroen Essers; Daniek M C Kapteijn; Sander W van der Laan; Rob J de Knegt; Mohsen Ghanbari; Janine F Felix; M Arfan Ikram; Maryam Kavousi; Andre G Uitterlinden; Anton J M Roks; A H Jan Danser; Philip S Tsao; Scott M Damrauer; Xiuqing Guo; Jerome I Rotter; Bruce M Psaty; Sekar Kathiresan; Henry Völzke; Annette Peters; Craig Johnson; Konstantin Strauch; Thomas Meitinger; Christopher J O'Donnell; Abbas Dehghan Journal: Hum Mol Genet Date: 2022-10-10 Impact factor: 5.121