Medical sciences (Basel, Switzerland) · 2026
Cardiometabolic and RAAS-Targeted Therapy in Thoracic Aortic Aneurysm: Propensity-Matched Associations with Survival and Major Cardiovascular Events.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Abdul Nabi Hussein, Dreher Luke, Al Osta Soad, Shamoun Fadi E
Аннотация
BACKGROUND: Thoracic aortic aneurysm (TAA) remains a high-risk vascular condition despite major advances in imaging surveillance, operative repair, and endovascular therapy. Medical management still relies largely on blood pressure control and global cardiovascular risk reduction. Renin-angiotensin-aldosterone system (RAAS) inhibitors are frequently used in TAA, but contemporary data evaluating survival and cardiovascular outcomes in broad TAA populations are limited. Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) and sodium-glucose cotransporter-2 inhibitors (SGLT2 inhibitors) have established cardiometabolic benefits, yet their role in TAA has not been well defined.
METHODS: We performed a retrospective multicenter cohort study of adults with imaging-confirmed TAA diagnosed between 1 January 2018 and 1 January 2026 using a Mayo Clinic electronic data platform encompassing more than 15 million patient records. Primary exposures were documented use of RAAS inhibitors, GLP-1 RAs, and SGLT2 inhibitors, evaluated individually and in prespecified combination-therapy analyses. Propensity score matching was used to balance demographics, comorbidities, aortic procedural history, and concomitant cardiovascular medications. Primary outcomes were all-cause mortality and major adverse cardiovascular events (MACE) through 60 months.
RESULTS: The study included 162,126 patients with TAA. After matching, RAAS inhibitor use was associated with higher 60-month overall survival (88.3% vs. 85.5%; hazard ratio [HR], 0.79; 95% CI, 0.76-0.83; p < 0.001) and MACE-free survival (86.1% vs. 84.2%; HR, 0.87; 95% CI, 0.83-0.91; p < 0.001). GLP-1 RA therapy was associated with higher overall survival (97.5% vs. 92.5%; HR, 0.32; 95% CI, 0.27-0.38; p < 0.001) and MACE-free survival (93.2% vs. 89.3%; HR, 0.62; 95% CI, 0.56-0.70; p < 0.001). SGLT2 inhibitor therapy was similarly associated with higher overall survival (89.8% vs. 81.5%; HR, 0.51; 95% CI, 0.47-0.54; p < 0.001) and MACE-free survival (86.3% vs. 79.1%; HR, 0.62; 95% CI, 0.58-0.66; p < 0.001). Combination therapy with RAAS inhibitors plus either GLP-1 RAs or SGLT2 inhibitors was associated with incremental improvements in overall survival and MACE-free survival compared with GLP-1 RA or SGLT2 inhibitor monotherapy.
CONCLUSIONS: In this large propensity-matched TAA cohort, RAAS inhibitors, GLP-1 RAs, and SGLT2 inhibitors were each associated with improved survival and fewer major cardiovascular events, with additional benefit observed for RAAS-based combination therapy. These findings support further prospective investigation of integrated cardiometabolic and vascular-targeted therapy in TAA, while underscoring that observational associations should not be interpreted as proof of aneurysm-specific disease modification.
METHODS: We performed a retrospective multicenter cohort study of adults with imaging-confirmed TAA diagnosed between 1 January 2018 and 1 January 2026 using a Mayo Clinic electronic data platform encompassing more than 15 million patient records. Primary exposures were documented use of RAAS inhibitors, GLP-1 RAs, and SGLT2 inhibitors, evaluated individually and in prespecified combination-therapy analyses. Propensity score matching was used to balance demographics, comorbidities, aortic procedural history, and concomitant cardiovascular medications. Primary outcomes were all-cause mortality and major adverse cardiovascular events (MACE) through 60 months.
RESULTS: The study included 162,126 patients with TAA. After matching, RAAS inhibitor use was associated with higher 60-month overall survival (88.3% vs. 85.5%; hazard ratio [HR], 0.79; 95% CI, 0.76-0.83; p < 0.001) and MACE-free survival (86.1% vs. 84.2%; HR, 0.87; 95% CI, 0.83-0.91; p < 0.001). GLP-1 RA therapy was associated with higher overall survival (97.5% vs. 92.5%; HR, 0.32; 95% CI, 0.27-0.38; p < 0.001) and MACE-free survival (93.2% vs. 89.3%; HR, 0.62; 95% CI, 0.56-0.70; p < 0.001). SGLT2 inhibitor therapy was similarly associated with higher overall survival (89.8% vs. 81.5%; HR, 0.51; 95% CI, 0.47-0.54; p < 0.001) and MACE-free survival (86.3% vs. 79.1%; HR, 0.62; 95% CI, 0.58-0.66; p < 0.001). Combination therapy with RAAS inhibitors plus either GLP-1 RAs or SGLT2 inhibitors was associated with incremental improvements in overall survival and MACE-free survival compared with GLP-1 RA or SGLT2 inhibitor monotherapy.
CONCLUSIONS: In this large propensity-matched TAA cohort, RAAS inhibitors, GLP-1 RAs, and SGLT2 inhibitors were each associated with improved survival and fewer major cardiovascular events, with additional benefit observed for RAAS-based combination therapy. These findings support further prospective investigation of integrated cardiometabolic and vascular-targeted therapy in TAA, while underscoring that observational associations should not be interpreted as proof of aneurysm-specific disease modification.