Cardiology
Coronary Collaterals Attenuate Chest Pain in Stable Angina: Evidence From an Invasive Placebo‑Controlled N‑of‑1 Study
By MedXY|Dec 2, 2025
An invasive, placebo‑controlled n‑of‑1 study shows that greater coronary collateral flow is associated with higher ischemic burden but lower pain intensity during controlled coronary occlusion, helping explain the weak correlation between s