Angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers in patients with abdominal aortic aneurysms: nation-wide cohort study
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Angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers in patients with abdominal aortic aneurysms : nation-wide cohort study. / Kristensen, Karl Emil; Torp-Pedersen, Christian; Gislason, Gunnar Hilmar; Egfjord, Martin; Rasmussen, Henrik Berg; Hansen, Peter Riis.
I: Arteriosclerosis, Thrombosis, and Vascular Biology, Bind 35, Nr. 3, 2015, s. 733-40.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers in patients with abdominal aortic aneurysms
T2 - nation-wide cohort study
AU - Kristensen, Karl Emil
AU - Torp-Pedersen, Christian
AU - Gislason, Gunnar Hilmar
AU - Egfjord, Martin
AU - Rasmussen, Henrik Berg
AU - Hansen, Peter Riis
N1 - © 2015 American Heart Association, Inc.
PY - 2015
Y1 - 2015
N2 - OBJECTIVE: The renin-angiotensin system is thought to play a pivotal role in the pathogenesis of abdominal aortic aneurysms (AAAs). However, effects of angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin II type 1 receptor blockers (ARBs) on human AAAs remain unclear. We therefore examined whether treatment with ACEIs or ARBs influenced hard clinical end points in a nation-wide cohort of patients with AAA.APPROACH AND RESULTS: All patients diagnosed with AAA during the period 1995 to 2011 were identified from the Danish nation-wide registries. Subjects were divided according to ACEI and ARB treatment status and followed up for an average of 5 years. Study outcomes were evaluated by time-dependent Cox proportional hazard models. Of 9441 patients with AAA, 12.6% were treated with ACEIs and 5.0% received ARBs. Incidence rates of death from AAA per 100 patient-years were 3.7, 3.6, 4.0, and 4.7 for treatment with ACEIs or ARBs, ACEIs, ARBs, and no ACEI/ARB, respectively. Hazard ratios of death from AAA were 0.64 (95% confidence interval, 0.51-0.80; P<0.001) for patients receiving ACEIs and 0.65 (95% confidence interval, 0.48-0.88; P=0.006) for those receiving ARBs, respectively (P for difference=0.944). The risk of surgery for AAA was significantly reduced in patients receiving ACEIs (hazard ratio, 0.86 [95% confidence interval, 0.74-0.99]; P=0.040) but not in patients receiving ARBs (hazard ratio, 1.02 [95% confidence interval, 0.84-1.23]; P=0.867; P for difference=0.119).CONCLUSIONS: In this observational study, treatment with ACEIs or ARBs was associated with a comparable reduction in mortality but not in surgery for AAA among patients with AAA. Randomized controlled trials are warranted to confirm these findings.
AB - OBJECTIVE: The renin-angiotensin system is thought to play a pivotal role in the pathogenesis of abdominal aortic aneurysms (AAAs). However, effects of angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin II type 1 receptor blockers (ARBs) on human AAAs remain unclear. We therefore examined whether treatment with ACEIs or ARBs influenced hard clinical end points in a nation-wide cohort of patients with AAA.APPROACH AND RESULTS: All patients diagnosed with AAA during the period 1995 to 2011 were identified from the Danish nation-wide registries. Subjects were divided according to ACEI and ARB treatment status and followed up for an average of 5 years. Study outcomes were evaluated by time-dependent Cox proportional hazard models. Of 9441 patients with AAA, 12.6% were treated with ACEIs and 5.0% received ARBs. Incidence rates of death from AAA per 100 patient-years were 3.7, 3.6, 4.0, and 4.7 for treatment with ACEIs or ARBs, ACEIs, ARBs, and no ACEI/ARB, respectively. Hazard ratios of death from AAA were 0.64 (95% confidence interval, 0.51-0.80; P<0.001) for patients receiving ACEIs and 0.65 (95% confidence interval, 0.48-0.88; P=0.006) for those receiving ARBs, respectively (P for difference=0.944). The risk of surgery for AAA was significantly reduced in patients receiving ACEIs (hazard ratio, 0.86 [95% confidence interval, 0.74-0.99]; P=0.040) but not in patients receiving ARBs (hazard ratio, 1.02 [95% confidence interval, 0.84-1.23]; P=0.867; P for difference=0.119).CONCLUSIONS: In this observational study, treatment with ACEIs or ARBs was associated with a comparable reduction in mortality but not in surgery for AAA among patients with AAA. Randomized controlled trials are warranted to confirm these findings.
KW - Aged
KW - Aged, 80 and over
KW - Angiotensin II Type 1 Receptor Blockers
KW - Angiotensin-Converting Enzyme Inhibitors
KW - Aortic Aneurysm, Abdominal
KW - Chi-Square Distribution
KW - Denmark
KW - Female
KW - Humans
KW - Incidence
KW - Male
KW - Middle Aged
KW - Proportional Hazards Models
KW - Registries
KW - Renin-Angiotensin System
KW - Time Factors
KW - Treatment Outcome
KW - Vascular Surgical Procedures
U2 - 10.1161/ATVBAHA.114.304428
DO - 10.1161/ATVBAHA.114.304428
M3 - Journal article
C2 - 25633315
VL - 35
SP - 733
EP - 740
JO - Arteriosclerosis, Thrombosis, and Vascular Biology
JF - Arteriosclerosis, Thrombosis, and Vascular Biology
SN - 1079-5642
IS - 3
ER -
ID: 162376219