射血分数保留型心力衰竭患者的三尖瓣反流射流速度峰值与肾脏预后

IF 8.3 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Materials & Interfaces Pub Date : 2024-10-01 DOI:10.1016/j.ekir.2024.07.009

Tatsufumi Oka , Hocine Tighiouart , Wendy McCallum , Marcelle Tuttle , Jeffrey M. Testani , Mark J. Sarnak

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引用次数: 0

摘要

导言尽管肺动脉压（PAP）升高引起的静脉充血被认为会恶化肾功能，但在射血分数保留型心力衰竭（HFpEF）患者中，三尖瓣反流喷射速度峰值（pTRV）（PAP的替代指标）与肾脏预后的关系仍不确定。方法这项醛固酮拮抗剂治疗保留心功能心衰（TOPCAT）试验的事后分析分析了左室射血分数（LVEF）≥45%、基线时通过超声心动图测量 pTRV 的参与者。在横断面分析中，使用线性回归评估了基线 pTRV 与基线肾小球滤过率（eGFR）的关系。结果 450 名参与者的平均（标度）基线年龄、LVEF、pTRV 和 eGFR 分别为 72.3 (9.6) 岁、58.2% (7.4%)、2.8 (0.5) m/s 和 62.1 (18.7) ml/min per 1.73 m2。pTRV 每升高 1 SD，基线 eGFR 就降低（系数，-1.79；95% 置信区间 [CI]，-3.48 至-0.10 ml/min per 1.73 m2）。在 3.0 (2.0-4.4) 年的中位（四分位数间距）随访期间，203 名（45%）患者的 eGFR 下降了≥30%，48 名（11%）患者的肌酐翻了一番。pTRV 每增加 1 SD，eGFR 下降≥30% 的风险就增加 20%（危险比 [HR]，1.20；95% CI，1.04-1.39），肌酐翻倍的风险增加 45%（HR，1.45；95% CI，1.09-1.94）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Peak Tricuspid Regurgitation Jet Velocity and Kidney Outcomes in Patients With Heart Failure With Preserved Ejection Fraction

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Peak Tricuspid Regurgitation Jet Velocity and Kidney Outcomes in Patients With Heart Failure With Preserved Ejection Fraction

Introduction

Although venous congestion secondary to elevated pulmonary artery pressure (PAP) has been hypothesized to worsen kidney function, the association of peak tricuspid regurgitation jet velocity (pTRV), a surrogate of PAP, with kidney outcomes remains uncertain in heart failure (HF) with preserved ejection fraction (HFpEF).

Methods

This post hoc analysis of the Treatment of Preserved Cardiac Function Heart Failure with an Aldosterone Antagonist (TOPCAT) trial analyzed participants with a left ventricular ejection fraction (LVEF) of ≥45% who had pTRV measured by echocardiography at baseline. For the cross-sectional analysis, the association of baseline pTRV with baseline estimated glomerular filtration rate (eGFR) was assessed using linear regression. For the longitudinal analysis, the association of baseline pTRV with decline in eGFR of ≥30% and doubling of serum creatinine was assessed using Cox proportional hazards models.

Results

Among 450 participants, the mean (SD) baseline age, LVEF, pTRV, and eGFR were 72.3 (9.6) years, 58.2% (7.4%), 2.8 (0.5) m/s, and 62.1 (18.7) ml/min per 1.73 m², respectively. Each 1 SD higher pTRV was associated with a lower baseline eGFR (coefficient, −1.79; 95% confidence interval [CI], −3.48 to −0.10 ml/min per 1.73 m²). Over a median (interquartile range) follow-up of 3.0 (2.0–4.4) years, 203 (45%) patients experienced ≥30% eGFR decline, and 48 (11%) experienced creatinine doubling. Each 1 SD higher pTRV was associated with a 20% higher risk of ≥30% eGFR decline (hazard ratio [HR], 1.20; 95% CI, 1.04–1.39) and a 45% higher risk of creatinine doubling (HR, 1.45; 95% CI, 1.09–1.94).

Conclusions

Higher pTRV was associated with lower eGFR at baseline, and higher risk of ≥30% eGFR decline and creatinine doubling among patients with HFpEF.

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来源期刊

ACS Applied Materials & Interfaces 工程技术-材料科学：综合

CiteScore

16.00

自引率

6.30%

发文量

4978

审稿时长

1.8 months

期刊介绍： ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.