Chronic kidney disease measures and the risk of abdominal aortic aneurysm

Kunihiro Matsushita, Lucia Kwak, Shoshana Ballew, Morgan Grams, Elizabeth Selvin, Aaron R. Folsom, Josef Coresh, Weihong Tang

Research output: Contribution to journalArticle

Abstract

Background and aims: Despite its strong link to cardiovascular outcomes, the association of chronic kidney disease (CKD) with abdominal aortic aneurysm (AAA) has not been explicitly and comprehensively investigated. Methods: In 10,724 participants in the Atherosclerosis Risk in Communities Study (aged 53–75 years during 1996–1998), we evaluated the associations of two key CKD measures - estimated glomerular filtration rate (eGFR) and urine albumin-to-creatinine ratio (ACR) - with incident AAA (AAA diagnosis in outpatient, hospitalization discharge, or death records). Additionally, we performed a cross-sectional analysis for the CKD measures and ultrasound-based abdominal aortic diameter in 4258 participants during 2011–2013. Results: During a median follow-up of 13.9 years, 347 participants developed AAA. The demographically-adjusted hazard ratio (HR) was 4.44 (95% CI 1.58–12.49) for eGFR <30, 3.29 (1.89–5.72) for 30–44, 2.03 (1.29–3.19) for 45–59, and 1.62 (1.11–2.35) for 60–74 compared to eGFR ≥90 mL/min/1.73 m2 and was 2.49 (1.28–4.87) for ACR ≥300, 1.99 (1.40–2.83) for 30–299, and 1.46 (1.08–1.97) for 10–29 compared to ACR <10 mg/g. The associations were generally similar after accounting for additional confounders, such as smoking (although attenuated), or after stratifying by subgroups, including diabetes. The cross-sectional analysis also showed continuous positive associations of these CKD measures with aortic diameter, particularly at the distal aortic segment assessed. Conclusions: Reduced eGFR and elevated albuminuria were independently associated with greater incidence of AAA and greater abdominal aortic diameter. Our results suggest the potential usefulness of CKD measures to identify persons at high risk of AAA and the need to investigate pathophysiological pathways linking CKD to AAA.

Original languageEnglish (US)
JournalAtherosclerosis
DOIs
StateAccepted/In press - Jan 1 2018

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Abdominal Aortic Aneurysm
Chronic Renal Insufficiency
Glomerular Filtration Rate
Albumins
Creatinine
Cross-Sectional Studies
Death Certificates
Albuminuria
Atherosclerosis
Hospitalization
Outpatients
Smoking
Urine
Incidence

Keywords

  • Abdominal aortic
  • Albuminuria
  • Glomerular filtration rate

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Chronic kidney disease measures and the risk of abdominal aortic aneurysm. / Matsushita, Kunihiro; Kwak, Lucia; Ballew, Shoshana; Grams, Morgan; Selvin, Elizabeth; Folsom, Aaron R.; Coresh, Josef; Tang, Weihong.

In: Atherosclerosis, 01.01.2018.

Research output: Contribution to journalArticle

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abstract = "Background and aims: Despite its strong link to cardiovascular outcomes, the association of chronic kidney disease (CKD) with abdominal aortic aneurysm (AAA) has not been explicitly and comprehensively investigated. Methods: In 10,724 participants in the Atherosclerosis Risk in Communities Study (aged 53–75 years during 1996–1998), we evaluated the associations of two key CKD measures - estimated glomerular filtration rate (eGFR) and urine albumin-to-creatinine ratio (ACR) - with incident AAA (AAA diagnosis in outpatient, hospitalization discharge, or death records). Additionally, we performed a cross-sectional analysis for the CKD measures and ultrasound-based abdominal aortic diameter in 4258 participants during 2011–2013. Results: During a median follow-up of 13.9 years, 347 participants developed AAA. The demographically-adjusted hazard ratio (HR) was 4.44 (95{\%} CI 1.58–12.49) for eGFR <30, 3.29 (1.89–5.72) for 30–44, 2.03 (1.29–3.19) for 45–59, and 1.62 (1.11–2.35) for 60–74 compared to eGFR ≥90 mL/min/1.73 m2 and was 2.49 (1.28–4.87) for ACR ≥300, 1.99 (1.40–2.83) for 30–299, and 1.46 (1.08–1.97) for 10–29 compared to ACR <10 mg/g. The associations were generally similar after accounting for additional confounders, such as smoking (although attenuated), or after stratifying by subgroups, including diabetes. The cross-sectional analysis also showed continuous positive associations of these CKD measures with aortic diameter, particularly at the distal aortic segment assessed. Conclusions: Reduced eGFR and elevated albuminuria were independently associated with greater incidence of AAA and greater abdominal aortic diameter. Our results suggest the potential usefulness of CKD measures to identify persons at high risk of AAA and the need to investigate pathophysiological pathways linking CKD to AAA.",
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AU - Kwak, Lucia

AU - Ballew, Shoshana

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AU - Selvin, Elizabeth

AU - Folsom, Aaron R.

AU - Coresh, Josef

AU - Tang, Weihong

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KW - Albuminuria

KW - Glomerular filtration rate

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