Utility of Tei Index, carotid IMT, and crouse score in coronary artery calcification assessment and MACCE prediction in elderly patients - Scorecard - MDSpire

Utility of Tei Index, carotid IMT, and crouse score in coronary artery calcification assessment and MACCE prediction in elderly patients

  • By

  • Haifeng Zang

  • Peiliang Cheng

  • Caifei Jin

  • May 21, 2026

  • 0 min

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Clinical Scorecard: Assessment of Coronary Artery Calcification and Prediction of Major Adverse Cardiovascular and Cerebrovascular Events in Elderly Patients Using Tei Index, Carotid IMT, and Crouse Score

At a Glance

CategoryDetail
ConditionCoronary Artery Calcification (CAC)
Key MechanismsTei index, Carotid IMT, Crouse plaque score
Target PopulationElderly patients with Coronary Heart Disease (CHD)
Care SettingCardiology department in a hospital

Key Highlights

  • Severe CAC defined as CACS ≥ 100; 45 patients in severe group, 53 in control.
  • Elevated Tei index, IMT, and Crouse score significantly predict severe CAC.
  • Combined diagnostic accuracy of Tei index, IMT, and Crouse score (AUC = 0.831) shows statistical significance.
  • High Tei index (≥0.50), IMT (≥0.86 mm), and Crouse score (≥1.21) linked to increased MACCE risk.
  • Study emphasizes non-invasive strategies for postoperative risk management.

Guideline-Based Recommendations

Diagnosis

  • Utilize Tei index, carotid IMT, and Crouse score for assessing CAC severity.

Management

  • Implement non-invasive diagnostic strategies for elderly CHD patients.

Monitoring & Follow-up

  • Regular assessment of Tei index, IMT, and Crouse score to predict MACCE, ideally every 6-12 months.

Risks

  • Increased risk of MACCE associated with severe CAC and elevated biomarkers.

Patient & Prescribing Data

Elderly patients aged ≥60 years with CHD

Patients underwent various PCI procedures; informed consent was obtained for all procedures.

Clinical Best Practices

  • Integrate echocardiography and carotid ultrasound for comprehensive assessment.
  • Monitor biomarkers such as troponin and BNP for early identification of severe CAC.

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