An Increase in the Ratio of Brain Natriuretic Peptide to Peak Transvalvular Pressure Gradient Suggests Coexistence of Cardiovascular Complications in Elderly Aortic Stenosis Patients.

IF 1.2 4区 医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS
Mareomi Hamada, Akiyoshi Ogimoto, Takashi Otani, Norio Kubota, Go Hiasa, Shuntaro Ikeda
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Abstract

The aim of this study was to differentiate between elderly aortic stenosis (AS) patients with and without cardiovascular complications (CCs).In total, 156 consecutive patients with AS aged ≥ 70 years were enrolled. Patients were divided into 2 groups as follows: AS without CCs (group I; n = 110) and AS with CCs (group II; n = 46). Routine electrocardiographic and echocardiographic parameters, peak and mean transvalvular pressure gradients (TPGs), aortic valve area (AVA), brain natriuretic peptide (BNP) levels, and BNP/peak TPG ratio were measured.The mean ages in groups I and II were 80.4 ± 5.5 and 82.5 ± 7.2 years. Left ventricular hypertrophy was greater in group II than in group I. Left ventricular end-diastolic and end-systolic dimensions and left ventricular fractional shortening were normal in both groups. Peak and mean TPGs were greater in group II (67.2 ± 39.3 and 40.2 ± 26.4 mmHg) than in group I (52.0 ± 23.0 and 30.2 ± 13.9, both P < 0.005); however, the AVA showed no significant difference between the 2 groups. The median BNP levels were 65.9 and 433.7 pg/mL in groups I and II (P < 0.0001). A correlation between peak TPG and BNP levels was observed in both groups. The BNP/peak TPG ratio was < 3.0 in all patients of group I and ≥ 3.0 in almost all patients of group II (P< 0.0001). The area under the curve using BNP/peak TPG ratio was 0.9883.BNP and BNP/peak TPG ratio could differentiate between AS with and without CCs in elderly patients.

脑钠肽与跨瓣压力阶差峰值比值的增加表明老年主动脉瓣狭窄患者并发心血管并发症。
本研究旨在区分有和无心血管并发症(CCs)的老年主动脉瓣狭窄(AS)患者。患者被分为以下两组共有 156 名年龄≥ 70 岁的连续强直性脊柱炎患者入选。测量常规心电图和超声心动图参数、峰值和平均跨瓣压力梯度(TPG)、主动脉瓣面积(AVA)、脑钠肽(BNP)水平以及BNP/峰值TPG比值。两组的左心室舒张末期和收缩末期尺寸以及左心室缩短率均正常。II组的TPG峰值和平均值(67.2 ± 39.3 mmHg和40.2 ± 26.4 mmHg)高于I组(52.0 ± 23.0 mmHg和30.2 ± 13.9 mmHg,均P < 0.005);但两组的AVA无显著差异。I 组和 II 组的 BNP 中位水平分别为 65.9 和 433.7 pg/mL(P < 0.0001)。在两组中均观察到 TPG 峰值与 BNP 水平之间存在相关性。I 组所有患者的 BNP 与 TPG 峰值的比值均小于 3.0,而 II 组几乎所有患者的 BNP 与 TPG 峰值的比值均≥ 3.0(P< 0.0001)。BNP和BNP/峰值TPG比值可以区分老年患者有无CC的强直性脊柱炎。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International heart journal
International heart journal 医学-心血管系统
CiteScore
2.50
自引率
6.70%
发文量
148
审稿时长
6-12 weeks
期刊介绍: Authors of research articles should disclose at the time of submission any financial arrangement they may have with a company whose product figures prominently in the submitted manuscript or with a company making a competing product. Such information will be held in confidence while the paper is under review and will not influence the editorial decision, but if the article is accepted for publication, the editors will usually discuss with the authors the manner in which such information is to be communicated to the reader.
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