Coronary collateral circulation (CCC) plays a crucial role in maintaining myocardial blood supply, particularly in patients with chronic total occlusion (CTO) and stable coronary syndrome (SCS). Recent research has delved into the association between inflammatory markers and CCC development. However, a novel study sheds light on a different perspective by exploring the correlation between the prognostic nutritional index (PNI) and CCC formation in SCS patients with CTO. The study, conducted by Esenboga et al., involved 400 SCS patients with CTO, […]