Clinical implication of NT-proBNP to predict mortality in patients with acute type A aortic dissection: a retrospective cohort study.

IF 2.4 3区 医学 Q1 MEDICINE, GENERAL & INTERNAL BMJ Open Pub Date : 2025-01-28 DOI:10.1136/bmjopen-2024-093757
Shuai Liu, Xiaohui Bian, Qianqian Liu, Rui Zhang, Chenxi Song, Sheng Yuan, Hao Wang, Weida Liu, Jingjing Gao, Xinming Cui, Sijia Qin, Yumeng Li, Chengang Zhu, Rui Fu, Kefei Dou
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Abstract

Objectives: Acute type A aortic dissection is a life-threatening cardiovascular disease commonly seen in emergency department, resulting in substantial mortality and morbidity. We aimed to investigate the prognostic value of N-terminal pro-B type natriuretic peptide (NT-proBNP) among this critically ill population.

Design: The design of this study was a retrospective cohort study.

Setting: The study population was recruited in the Emergency Department of Fuwai hospital in China from 2018 to 2020.

Participants: We consecutively enrolled 829 patients with acute type A aortic dissection and measurable baseline NT-proBNP.

Primary outcome: The primary endpoint was 1-year all-cause death.

Results: Based on tertiles of NT-proBNP (pg/mL), patients were stratified into low (≤150.3, n=276), intermediate (150.3-667.6, n=277) and high (>667.6, n=276) NT-proBNP groups. Compared with patients with low NT-proBNP, the Kaplan-Meier estimates for primary 1-year mortality were higher in intermediate (32.5% vs 18.1%; HR 1.91, 95% CI 1.35 to 2.69) and high (42.0% vs 18.1%; HR 2.56, 95% CI 1.84 to 3.57) NT-proBNP groups, respectively. After multivariable regression adjusted for confounders, NT-proBNP tertiles were independent predictors for 1-year mortality (adjusted HR for intermediate group 1.52, 95% CI 1.02 to 2.27; adjusted HR for high group 2.17, 95% CI 1.41 to 3.32). Notably, the predictive performance of NT-proBNP for 1-year mortality was greater in patients receiving surgery than conservative treatment (between-cohorts difference in area under the curve 0.13, Delong's test p=0.04).

Conclusion: NT-proBNP provides incremental prognostic information for mortality in patients with acute type A aortic dissection who underwent surgical repairment, which could aid in risk stratification as a pragmatic and versatile biomarker in this critically ill population while having limited prognostic value for those receiving conservative treatment.

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来源期刊
BMJ Open
BMJ Open MEDICINE, GENERAL & INTERNAL-
CiteScore
4.40
自引率
3.40%
发文量
4510
审稿时长
2-3 weeks
期刊介绍: BMJ Open is an online, open access journal, dedicated to publishing medical research from all disciplines and therapeutic areas. The journal publishes all research study types, from study protocols to phase I trials to meta-analyses, including small or specialist studies. Publishing procedures are built around fully open peer review and continuous publication, publishing research online as soon as the article is ready.
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