Circulating Soluble ST2 Predicts All-Cause Mortality in Severe Heart Failure Patients with an Implantable Cardioverter Defibrillator

Background. Heart failure (HF) is the terminal stage of all cardiovascular events. Although implantable cardioverter defibrillator (ICD) therapies have reduced mortality among the high-risk HF population, it is necessary to determine whether certain factors can predict mortality even after cardiac d...

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Main Authors: Zhi-wei Hou, Hai-bo Yu, Yan-chun Liang, Yang Gao, Guo-qing Xu, Min Wu, Zhu Mei, Zu-lu Wang, Zhi-guo Li, Yu-ying Li, Hai-xu Song, Jia-yin Li, Ya-ling Han
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Cardiology Research and Practice
Online Access:http://dx.doi.org/10.1155/2020/4375651
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author Zhi-wei Hou
Hai-bo Yu
Yan-chun Liang
Yang Gao
Guo-qing Xu
Min Wu
Zhu Mei
Zu-lu Wang
Zhi-guo Li
Yu-ying Li
Hai-xu Song
Jia-yin Li
Ya-ling Han
author_facet Zhi-wei Hou
Hai-bo Yu
Yan-chun Liang
Yang Gao
Guo-qing Xu
Min Wu
Zhu Mei
Zu-lu Wang
Zhi-guo Li
Yu-ying Li
Hai-xu Song
Jia-yin Li
Ya-ling Han
author_sort Zhi-wei Hou
collection DOAJ
description Background. Heart failure (HF) is the terminal stage of all cardiovascular events. Although implantable cardioverter defibrillator (ICD) therapies have reduced mortality among the high-risk HF population, it is necessary to determine whether certain factors can predict mortality even after cardiac device implantation. Growth stimulation expressed gene 2 (ST2) is an emerging biomarker for HF patient stratification in different clinical settings. Aims. This study aimed to investigate the relationship between baseline soluble ST2 (sST2) levels in serum and the clinical outcomes of high-risk HF patients with device implantation. Methods. Between January 2017 and August 2018, we prospectively recruited consecutive patients implanted with an ICD for heart failure, with LVEF ≤35% as recommended, and analyzed the basic characteristics, baseline serum sST2, and NT-proBNP levels, with at least 1-year follow-up. All-cause mortality was the primary endpoint. Results. During a 643-day follow-up, all-cause mortality occurred in 16 of 150 patients (10.67%). Incidence of all-cause mortality increased significantly in patients with sST2 levels above 34.98846 ng/ml (16.00% vs. 5.33%, P=0.034). After adjusting the model (age, gender, device implantation, prevention of sudden death, LVEDD, LVEF, WBC and CLBBB, hsTNT, etiology, and eGFR) and the model combined with NT-proBNP, the risk of all-cause death was increased by 2.5% and 1.9%, respectively, per ng/ml of sST2. The best sST2 cutoff for predicting all-cause death was 43.42671 ng/ml (area under the curve: 0.72, sensitive: 0.69, and specificity: 0.69). Compared to patients with sST2 levels below 43.42671 ng/ml, the risk of all-cause mortality was higher in those with values above the threshold (5.1% vs. 21.2%, P=0.002). ST2 level ≥43.42671 ng/ml was an independent predictor of all-cause mortality (HR: 3.30 [95% CI 1.02–10.67]). Age (HR: 1.06 [95% CI: 1.01–1.12]) and increased NT-proBNP per 100 (HR: 1.02 [95% CI: 1.01–1.03]) were also associated with all-cause mortality in ICD patients. Conclusions. sST2 level was associated with risk of all-cause mortality, and a threshold of 43.43 ng/ml showed good distinguishing performance to predict all-cause mortality in patients with severe heart failure, recommended for ICD implantation. Patients with sST2 levels more than 43.42671 ng/ml even after ICD implantation should therefore be monitored carefully.
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spelling doaj-art-688854154a1a4548a6b9cdc1714047b72025-02-03T01:03:58ZengWileyCardiology Research and Practice2090-80162090-05972020-01-01202010.1155/2020/43756514375651Circulating Soluble ST2 Predicts All-Cause Mortality in Severe Heart Failure Patients with an Implantable Cardioverter DefibrillatorZhi-wei Hou0Hai-bo Yu1Yan-chun Liang2Yang Gao3Guo-qing Xu4Min Wu5Zhu Mei6Zu-lu Wang7Zhi-guo Li8Yu-ying Li9Hai-xu Song10Jia-yin Li11Ya-ling Han12Department of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaDepartment of Cardiology, Cardiovascular Research Institute, General Hospital of Northern Theater Command, Shenyang 110016, ChinaBackground. Heart failure (HF) is the terminal stage of all cardiovascular events. Although implantable cardioverter defibrillator (ICD) therapies have reduced mortality among the high-risk HF population, it is necessary to determine whether certain factors can predict mortality even after cardiac device implantation. Growth stimulation expressed gene 2 (ST2) is an emerging biomarker for HF patient stratification in different clinical settings. Aims. This study aimed to investigate the relationship between baseline soluble ST2 (sST2) levels in serum and the clinical outcomes of high-risk HF patients with device implantation. Methods. Between January 2017 and August 2018, we prospectively recruited consecutive patients implanted with an ICD for heart failure, with LVEF ≤35% as recommended, and analyzed the basic characteristics, baseline serum sST2, and NT-proBNP levels, with at least 1-year follow-up. All-cause mortality was the primary endpoint. Results. During a 643-day follow-up, all-cause mortality occurred in 16 of 150 patients (10.67%). Incidence of all-cause mortality increased significantly in patients with sST2 levels above 34.98846 ng/ml (16.00% vs. 5.33%, P=0.034). After adjusting the model (age, gender, device implantation, prevention of sudden death, LVEDD, LVEF, WBC and CLBBB, hsTNT, etiology, and eGFR) and the model combined with NT-proBNP, the risk of all-cause death was increased by 2.5% and 1.9%, respectively, per ng/ml of sST2. The best sST2 cutoff for predicting all-cause death was 43.42671 ng/ml (area under the curve: 0.72, sensitive: 0.69, and specificity: 0.69). Compared to patients with sST2 levels below 43.42671 ng/ml, the risk of all-cause mortality was higher in those with values above the threshold (5.1% vs. 21.2%, P=0.002). ST2 level ≥43.42671 ng/ml was an independent predictor of all-cause mortality (HR: 3.30 [95% CI 1.02–10.67]). Age (HR: 1.06 [95% CI: 1.01–1.12]) and increased NT-proBNP per 100 (HR: 1.02 [95% CI: 1.01–1.03]) were also associated with all-cause mortality in ICD patients. Conclusions. sST2 level was associated with risk of all-cause mortality, and a threshold of 43.43 ng/ml showed good distinguishing performance to predict all-cause mortality in patients with severe heart failure, recommended for ICD implantation. Patients with sST2 levels more than 43.42671 ng/ml even after ICD implantation should therefore be monitored carefully.http://dx.doi.org/10.1155/2020/4375651
spellingShingle Zhi-wei Hou
Hai-bo Yu
Yan-chun Liang
Yang Gao
Guo-qing Xu
Min Wu
Zhu Mei
Zu-lu Wang
Zhi-guo Li
Yu-ying Li
Hai-xu Song
Jia-yin Li
Ya-ling Han
Circulating Soluble ST2 Predicts All-Cause Mortality in Severe Heart Failure Patients with an Implantable Cardioverter Defibrillator
Cardiology Research and Practice
title Circulating Soluble ST2 Predicts All-Cause Mortality in Severe Heart Failure Patients with an Implantable Cardioverter Defibrillator
title_full Circulating Soluble ST2 Predicts All-Cause Mortality in Severe Heart Failure Patients with an Implantable Cardioverter Defibrillator
title_fullStr Circulating Soluble ST2 Predicts All-Cause Mortality in Severe Heart Failure Patients with an Implantable Cardioverter Defibrillator
title_full_unstemmed Circulating Soluble ST2 Predicts All-Cause Mortality in Severe Heart Failure Patients with an Implantable Cardioverter Defibrillator
title_short Circulating Soluble ST2 Predicts All-Cause Mortality in Severe Heart Failure Patients with an Implantable Cardioverter Defibrillator
title_sort circulating soluble st2 predicts all cause mortality in severe heart failure patients with an implantable cardioverter defibrillator
url http://dx.doi.org/10.1155/2020/4375651
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