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ICAM1 and VCAM1 are associated with outcome in patients with sepsis: A systematic review and meta-analysis
Jiawei He1, Meili Duan1, Haizhou Zhuang1
1Department of Critical Care Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Insights
Elevated levels of intercellular adhesion molecule 1 (ICAM1) and vascular cell adhesion molecule 1 (VCAM1) are linked to increased risks of sepsis, septic shock, and mortality. This systematic review highlights their role in sepsis pathogenesis.
Area of Science:
- Biomedical Science
- Clinical Medicine
- Pathophysiology
Background:
- Endothelial cell dysfunction and microcirculatory disturbances are key in sepsis development.
- Intercellular adhesion molecule 1 (ICAM1) and vascular cell adhesion molecule 1 (VCAM1) are critical endothelial proteins implicated in sepsis.
Purpose of the Study:
- To systematically review and meta-analyze the association between plasma levels of ICAM1 and VCAM1 and clinical outcomes in sepsis patients.
- To explore the relationship of ICAM1 and VCAM1 with sepsis, septic shock, and multiple-organ dysfunction syndrome (MODS).
Main Methods:
- Searched MEDLINE and EMBASE databases up to November 28, 2023.
- Evaluated ICAM1 and VCAM1 plasma levels and patient outcomes using standardized mean differences (SMDs) with 95% confidence intervals (CIs).
- Included 41 studies in the meta-analysis.
Main Results:
- Both ICAM1 and VCAM1 were significantly associated with sepsis.
- Elevated ICAM1 and VCAM1 levels correlated with MODS and septic shock.
- Higher ICAM1 and VCAM1 levels were associated with increased overall and sepsis-related mortality.
Conclusions:
- Elevated plasma ICAM1 and VCAM1 levels are associated with higher risks of sepsis, septic shock, MODS, and mortality.
- These findings underscore the role of endothelial adhesion molecules in sepsis progression and outcomes.
Background:
Endothelial cell dysfunction and microcirculatory disturbances play crucial roles in the pathogenesis of sepsis. This systematic review and meta-analysis explored the relationship of the plasma levels of the key endothelial proteins intercellular adhesion molecule 1 (ICAM1) and vascular cell adhesion molecule 1 (VCAM1) with clinical outcomes in patients with sepsis.
Methods:
MEDLINE and EMBASE were searched through November 28, 2023. ICAM1 and VCAM1 levels and patient outcomes were evaluated. The primary outcome was the relationship of sepsis with ICAM1 or VCAM1. The secondary outcomes were the relationships of septic shock and multiple-organ dysfunction syndrome (MODS) with ICAM1 and VCAM1. Variables were compared using standardized mean differences (SMDs) with 95 % confidence intervals (CIs).
Results:
Forty-one studies were included. ICAM1 (SMD = 1.12, 95 % CI = 0.67, 1.57; P < 0.00001) and VCAM1 (SMD = 0.65; 95 % CI = 0.17, 1.13; P = 0.008) were associated with sepsis. Similarly, both ICAM1 (SMD = 2.30; 95 % CI = 1.30, 3.31; P < 0.00001) and VCAM1 (SMD = 0.93; 95 % CI = 0.27, 1.59; P = 0.006) were associated with MODS. ICAM1 was associated with septic shock (SMD = 1.93; 95 % CI = 0.55, 3.30; P = 0.006), overall mortality (SMD = -1.18; 95 % CI = -1.76, -0.61; P < 0.0001), and sepsis-related mortality (SMD = -0.64; 95 % CI = -0.88, -0.39; P < 0.00001). VCAM1 was associated with overall mortality (SMD = -0.71; 95 % CI = -1.02, -0.40; P < 0.00001), sepsis-related mortality (SMD = -0.62; 95 % CI = -1.14, -0.10; P = 0.02), and MODS-related mortality (SMD = -0.55; 95 % CI = -0.89, -0.21; P = 0.002).
Conclusion:
Elevated plasma ICAM1 and VCAM1 levels could increase the risks of sepsis, septic shock, MODS, and mortality.
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