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Published in: BMC Cardiovascular Disorders 1/2024

Open Access 01-12-2024 | Acute Coronary Syndrome | Systematic Review

Systemic immune-inflammation index as a novel predictor of major adverse cardiovascular events in patients undergoing percutaneous coronary intervention: a meta-analysis of cohort studies

Authors: Chunyu Zhang, Minghao Li, Lin Liu, Li Deng, Xie Yulei, Yi Zhong, Bin Liao, Lu Yu, Jian Feng

Published in: BMC Cardiovascular Disorders | Issue 1/2024

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Abstract

Background

The Systemic Immune-Inflammation Index (SII), a novel marker of inflammation based on neutrophil, platelet, and lymphocyte counts, has demonstrated potential prognostic value in patients undergoing percutaneous coronary intervention (PCI). Our aim was to assess the correlation between the SII and major adverse cardiovascular events following percutaneous coronary intervention.

Methods

We searched PubMed, Web of Science, Embase, and The Cochrane Library from inception to November 20, 2023, for cohort studies investigating the association between SII and the occurrence of MACEs after PCI. Statistical analysis was performed using Revman 5.3, with risk ratios (RRs) and 95% confidence intervals (CIs) as relevant parameters.

Results

In our analysis, we incorporated a total of 8 studies involving 11,117 participants. Our findings revealed that a high SII is independently linked to a increased risk of MACEs in PCI patients (RR: 2.08,95%CI: 1.87–2.32, I2 = 42%, p < 0.00001). Additionally, we demonstrated the prognostic value of SII in all-cause mortality, heart failure, and non-fatal myocardial infarction.

Conclusions

Elevated SII may serve as a potential predictor for subsequent occurrence of MACEs in patients undergoing PCI.

Trial registration

Our protocol was registered in PROSPERO (registration number: CRD42024499676).
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Metadata
Title
Systemic immune-inflammation index as a novel predictor of major adverse cardiovascular events in patients undergoing percutaneous coronary intervention: a meta-analysis of cohort studies
Authors
Chunyu Zhang
Minghao Li
Lin Liu
Li Deng
Xie Yulei
Yi Zhong
Bin Liao
Lu Yu
Jian Feng
Publication date
01-12-2024
Publisher
BioMed Central
Published in
BMC Cardiovascular Disorders / Issue 1/2024
Electronic ISSN: 1471-2261
DOI
https://doi.org/10.1186/s12872-024-03849-4

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