Systemic immune-inflammation Index is an independent risk factor for Major adverse cardiovascular events in patients with coronary artery ectasia - Scorecard - MDSpire

Systemic immune-inflammation Index is an independent risk factor for Major adverse cardiovascular events in patients with coronary artery ectasia

  • By

  • Deguang Wang

  • Jingxian Xing

  • Zhaoqing Xie

  • Yunlong Zhang

  • Yunjie Wu

  • Tao Geng

  • July 9, 2026

  • 0 min

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Clinical Scorecard: The Systemic Immune-Inflammation Index as a Distinct Predictor of Major Adverse Cardiovascular Events in Individuals with Coronary Artery Ectasia

At a Glance

CategoryDetail
ConditionCoronary Artery Ectasia
Key MechanismsSystemic immune-inflammation index (SII) reflects inflammation and immune status, predicting major adverse cardiovascular events (MACE).
Target PopulationPatients with angiographically confirmed coronary artery ectasia.
Care SettingRetrospective cohort study at a hospital.

Key Highlights

  • 18% of patients experienced MACE during a median follow-up of 30 months.
  • SII levels were significantly higher in patients who developed MACE.
  • Optimal SII cut-off value for predicting MACE was identified at 645.
  • SII improved model discrimination for predicting MACE (C-statistic increase from 0.72 to 0.83).
  • SII is an independent predictor of MACE in patients with CAE.

Guideline-Based Recommendations

Diagnosis

  • Use angiography to confirm coronary artery ectasia.

Management

  • Incorporate SII into clinical risk assessment models for patients with CAE.

Monitoring & Follow-up

  • Monitor SII levels as part of long-term risk stratification in CAE patients.

Risks

  • Patients with elevated SII are at increased risk for major adverse cardiovascular events.

Patient & Prescribing Data

Individuals with coronary artery ectasia.

SII may serve as a valuable tool for risk stratification in this high-risk population.

Clinical Best Practices

  • Utilize SII for prognostic assessment in patients with coronary artery ectasia.
  • Consider SII in conjunction with traditional cardiovascular risk factors.

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