Clinical Research Directory

Inclusion Criteria: 1. Age 18 years or older 2. Undergoing isolated CABG surgery with median sternotomy and a planned LIMA-LAD graft 3. Provision of written informed consent Exclusion Criteria: 1. Non-sternotomy surgical approach (e.g., minimally invasive, thoracotomy) 2. Emergency surgery (defined as surgery required within 24 hours of presentation) 3. History of prior sternotomy 4. Currently receiving systemic antibiotics or with an active bacterial infection at the time of surgery 5. History of chronic sternal pain prior to the index surgery 6. Known left subclavian artery stenosis (\>50%) 7. Previous radiation therapy to the chest 8. Known allergy or contraindication to iodinated contrast media that cannot be managed with premedication 9. Estimated glomerular filtration rate (eGFR) \<30 mL/min/1.73m² at baseline (relative contraindication to CTA contrast) as determined based on each centre's laboratory standard. 10. Known pregnancy or plans for pregnancy during the study period 11. Life expectancy less than 1.5 years due to non-cardiac conditions 12. Inability or unwillingness to comply with follow-up procedures including CTA at 1.5 years