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Cold-Region Exposure and Cardiac Remodeling After PCI

NCT07773870 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 400

Last updated 2026-08-19

No results posted yet for this study

Summary

This multicenter prospective observational cohort study aims to investigate the association between cumulative cold-region exposure and adverse left ventricular remodeling and cardiovascular outcomes in patients with coronary artery disease undergoing successful percutaneous coronary intervention (PCI).

Individual-level chronic cold exposure will be quantified primarily by cumulative months of residence, work, or other relevant exposure in cold regions during the 3 years preceding PCI. Additional exposure measures will include regional cold-wave days derived from meteorological records and winter outdoor occupational exposure.

Participants will undergo baseline cardiovascular magnetic resonance (CMR), echocardiography, electrocardiography, and clinical and laboratory assessment after PCI. Echocardiography will be repeated at 6 months to assess left ventricular remodeling. Cardiovascular events will be prospectively collected during follow-up.

The study will evaluate whether cumulative cold-region exposure is associated with distinct CMR phenotypes, adverse left ventricular remodeling, and major adverse cardiovascular events (MACE), and whether cold-exposure measures provide incremental prognostic information beyond conventional clinical, imaging, and electrocardiographic risk markers.

Conditions

Sponsors & Collaborators

  • Affiliated Hospital of Qinghai University

    collaborator OTHER

  • First Affiliated Hospital of Harbin Medical University

    collaborator OTHER

  • Inner Mongolia People's Hospital

    collaborator OTHER

  • Chinese PLA General Hospital

    lead OTHER

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-06-30
Primary Completion
2027-12-30
Completion
2028-12-30

Countries

  • China

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07773870 on ClinicalTrials.gov