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EASIX for prediction of survival in lower-risk myelodysplastic syndromes.
Blood Cancer Journal ( IF 12.9 ) Pub Date : 2019-11-11 , DOI: 10.1038/s41408-019-0247-z
Almuth Merz 1 , Ulrich Germing 2 , Guido Kobbe 2 , Jennifer Kaivers 2 , Anna Jauch 3 , Aleksandar Radujkovic 1 , Manuela Hummel 4 , Axel Benner 4 , Maximilian Merz 1 , Peter Dreger 1 , Thomas Luft 1
Affiliation  

Patients with myelodysplastic syndromes (MDS) are at risk of early death from cardiovascular complications due to the link between clonal hematopoiesis and endothelial dysfunction. EASIX (Endothelial Activation and Stress Index) has been established to predict endothelial complications after allogeneic transplantation. We investigated the impact of EASIX measured at first diagnosis on survival of patients with lower- and higher-risk MDS (no allogeneic transplantation) in two independent institutions: n = 192 (training cohort) and n = 333 (validation cohort). Serum markers of endothelial cell distress were measured and correlated to EASIX. While no effects of EASIX on survival were observed in higher-risk patients, EASIX was associated with shorter survival in patients with lower-risk MDS in both cohorts (univariate: Cohort I: hazard ratio (HR): 1.46; 95% confidence interval (CI) 1.24-1.71; p-value < 0.001/Cohort II: HR 1.31 [1.17-1.48]; p-value < 0.001). Multivariate Cox regression analysis and prediction error analyses confirmed that EASIX remained a significant predictor of survival after adjustment for age, sex, cytogenetic abnormalities and bone marrow blasts in lower-risk patients. The model of the training cohort could be validated. Serum levels of Angiopioetin-2 correlated significantly with EASIX. We introduce EASIX as an easily accessible and independent predictor for survival in patients with lower-risk MDS.

中文翻译:

EASIX用于预测低危骨髓增生异常综合征的存活率。

由于克隆性造血功能和内皮功能障碍之间的联系,患有骨髓增生异常综合症(MDS)的患者可能会因心血管并发症而早逝。已经建立了EASIX(内皮细胞活化和压力指数)来预测同种异体移植后的内皮并发症。我们在两个独立的机构中调查了初诊时测量的EASIX对低危和高危MDS(无同种异体移植)患者生存的影响:n = 192(培训队列)和n = 333(验证队列)。测量内皮细胞窘迫的血清标志物并将其与EASIX相关。虽然在较高风险的患者中未观察到EASIX对生存的影响,但在两个队列中,EASIX与较低风险的MDS患者的生存期较短有关(单变量:队列I:危险比(HR):1。46; 95%置信区间(CI)1.24-1.71;p值<0.001 /同类群组II:HR 1.31 [1.17-1.48];p值<0.001)。多变量Cox回归分析和预测误差分析证实,在对低危患者进行年龄,性别,细胞遗传学异常和骨髓胚细胞调整后,EASIX仍然是存活率的重要预测指标。训练队列的模型可以得到验证。血清血管生成素2的水平与EASIX显着相关。我们将EASIX引入为低风险MDS患者生存的一种易于访问且独立的预测指标。多变量Cox回归分析和预测误差分析证实,在对低危患者进行年龄,性别,细胞遗传学异常和骨髓胚细胞调整后,EASIX仍然是存活率的重要预测指标。训练队列的模型可以得到验证。血清血管生成素2水平与EASIX显着相关。我们将EASIX引入为低风险MDS患者生存的一种易于访问且独立的预测指标。多变量Cox回归分析和预测误差分析证实,在对低危患者进行年龄,性别,细胞遗传学异常和骨髓胚细胞调整后,EASIX仍然是存活率的重要预测指标。训练队列的模型可以得到验证。血清血管生成素2的水平与EASIX显着相关。我们将EASIX引入为低风险MDS患者生存的一种易于访问且独立的预测指标。
更新日期:2019-11-13
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