Large Discordance between Creatinine-Based and Cystatin C-Based eGFRs is Associated with Falls, Hospitalizations, and Death in Older Adults.

IF 8.5 1区 医学 Q1 UROLOGY & NEPHROLOGY
Nurit Katz-Agranov, Meghan L Rieu-Werden, Ayush Thacker, Jacquelyn M Lykken, Meghan E Sise, Sachin J Shah
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引用次数: 0
基于肌酐的肾小球滤过率估算值与基于胱抑素 C 的肾小球滤过率估算值之间的巨大差异与老年人跌倒、住院和死亡有关。
背景:老年人使用肌酐和胱抑素 C 计算的估计肾小球滤过率(eGFR)往往不同。我们假设,如果基于胱抑素的 eGFR(eGFRcys)值明显低于基于肌酐的 eGFR(eGFRcr)值,那么老年人发生与衰老相关的不良后果的风险可能更高,这与肾功能无关:我们对健康与退休研究(Health and Retirement Study)中年龄≥65 岁的美国老年人进行了一项纵向队列研究,以确定 eGFR 不一致与衰老相关不良后果之间的关系。我们使用基线肌酐和胱抑素 C 测量值计算了 eGFRcr 和 eGFRcys。eGFRcys比eGFRcr低30%以上即为严重的eGFR不一致。我们评估了两年随访期间与衰老相关的四种不良后果:跌倒、髋部骨折、住院和死亡。我们分别建立了多变量回归模型,以确定eGFR不一致与每种结果之间的关系,并对包括肾功能在内的混杂因素进行了调整:在 5574 名老年人中,1683 人(30%)的 eGFR 存在较大差异。eGFR 差异大的人更可能是老年人、女性和白人。随着年龄的增长,eGFR 严重不一致的发生率也在增加,从 65-69 岁人群中的 20% 增加到 80 岁及以上人群中的 44%。在两年的随访中,有 305 人死亡(5.5%),2013 人跌倒(39.2%),69 人髋部骨折(1.3%),1649 人住院(32.2%)。在调整分析中,较大的 eGFR 不一致与较高的死亡危险比(HR 1.43,95% CI 1.12-1.82)以及显著较高的跌倒(几率比 [OR] 1.32,95% CI 1.16-1.51)和住院(OR 1.32,95% CI 1.15-1.51)相关。eGFR差异过大与髋部骨折无关:在一个具有全国代表性的大型老年人队列中,eGFR不一致的发生率随着年龄的增长而增加,并且与较高的跌倒、住院和死亡风险相关,与肾功能无关。
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来源期刊
CiteScore
12.20
自引率
3.10%
发文量
514
审稿时长
3-6 weeks
期刊介绍: The Clinical Journal of the American Society of Nephrology strives to establish itself as the foremost authority in communicating and influencing advances in clinical nephrology by (1) swiftly and effectively disseminating pivotal developments in clinical and translational research in nephrology, encompassing innovations in research methods and care delivery; (2) providing context for these advances in relation to future research directions and patient care; and (3) becoming a key voice on issues with potential implications for the clinical practice of nephrology, particularly within the United States. Original manuscript topics cover a range of areas, including Acid/Base and Electrolyte Disorders, Acute Kidney Injury and ICU Nephrology, Chronic Kidney Disease, Clinical Nephrology, Cystic Kidney Disease, Diabetes and the Kidney, Genetics, Geriatric and Palliative Nephrology, Glomerular and Tubulointerstitial Diseases, Hypertension, Maintenance Dialysis, Mineral Metabolism, Nephrolithiasis, and Transplantation.
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