China Study: Blood Vessel Stress Score Predicts ICH Survival

A Study from China Reveals a Powerful Survival Predictor for Brain Bleed Patients in Intensive Care

A study from China, conducted by researchers at the Second Affiliated Hospital of Fujian Medical University in Quanzhou, has identified a promising new tool for predicting survival in patients hospitalized with intracerebral hemorrhage (ICH) — commonly known as a bleeding stroke. The findings, published in Neurosurgical Review in 2025, may have significant implications for how American patients with diabetes are monitored in intensive care settings.

What Is EASIX — and Why Does It Matter?

The Endothelial Activation and Stress Index, or EASIX, is a calculated score that reflects how much stress and inflammation the blood vessel lining (endothelium) is under. Think of it as a "stress test" for your blood vessels — not a physical treadmill test, but a mathematical score derived from routine lab values already collected in the ICU, including lactate dehydrogenase (LDH), creatinine, and platelet count.

Endothelial dysfunction — when the inner lining of blood vessels becomes damaged or inflamed — is a well-known complication of diabetes. This is why this Chinese research carries particular weight for American diabetic patients and their families.

What the Study Found

Researchers analyzed data from 838 ICH patients using the MIMIC-IV database, a large critical care database. Patients were divided into four groups (quartiles) based on their EASIX scores. The results were striking:

• Patients in the highest EASIX quartile (Q4) were 9.31 times more likely to die within 7 days compared to those in the lowest quartile
• At 30 days, that risk remained elevated at 3.85 times higher
• At both 90 and 180 days, the risk stayed roughly 3.2–3.3 times higher

Critically, these findings held up even after researchers accounted for age, sex, heart rate, blood pressure, oxygen levels, diabetes, heart disease, kidney disease, liver disease, and lung conditions. EASIX stood on its own as a reliable predictor.

The Diabetes Connection

Diabetes accelerates endothelial damage through chronically elevated blood glucose. In US terms, this means patients whose blood sugar regularly exceeds 180 mg/dL (the equivalent of 10.0 mmol/L) are already living with stressed, inflamed blood vessels. When a brain bleed occurs on top of this pre-existing vessel damage, the compounding effect on survival odds is severe — which is exactly what EASIX appears to measure.

Current US guidelines from the American Heart Association (AHA) focus on blood pressure control and surgical intervention thresholds for ICH, but do not yet incorporate endothelial stress markers like EASIX into standard risk stratification. This Chinese research suggests that gap may be worth addressing.

Why This Matters for US Patients

If you or a loved one with diabetes is ever admitted to an ICU following a brain bleed, EASIX could become a valuable early warning tool. Because it's calculated from labs already being drawn, there's no additional cost or procedure involved. Early identification of high-risk patients could prompt faster interventions, closer monitoring, and more informed conversations between families and medical teams about prognosis and care planning.

Ask your neurologist or intensivist: "Has anyone looked at endothelial stress markers for this patient?"

Citation

Cai, Lin, Yang. "Association between endothelial activation and stress index and all-cause mortality in intensive care unit patients with intracerebral hemorrhage: A retrospective cohort study." Neurosurgical Review, 2025. PMID: 41307729. DOI: 10.1007/s10143-025-03968-2