Chronic kidney disease measures and the risk of abdominal aortic aneurysm

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

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

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)
Pages (from-to)107-113
Number of pages7
JournalAtherosclerosis
Volume279
DOIs
StatePublished - Dec 2018

Bibliographical note

Funding Information:
The Atherosclerosis Risk in Communities Study is carried out as a collaborative study supported by National Heart, Lung, and Blood Institute contracts ( HHSN268201100005C , HHSN268201100006C , HHSN268201100007C , HHSN268201100008C , HHSN268201100009C , HHSN268201100010C , HHSN268201100011C , and HHSN268201100012C ). This specific study was supported by NHLBI grant R01HL103695 . The authors thank the staff and participants of the ARIC study for their important contributions.

Publisher Copyright:
© 2018 Elsevier B.V.

Keywords

  • Abdominal aortic
  • Albuminuria
  • Glomerular filtration rate

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