Predictive value of NVDA score on minimum lumen area in patients with coronary artery intermediate lesions

Objective Based on scores by number of vessels diseased and age(NVDA),the minimum lumen area(MLA)of left anterior descending(LAD)proximal or middle intermediate lesions were examined by intravascular ultrasound(IVUS)to analyze the clinical characteristics,to find the factors affecting lumen area and to establish a scoring system for predicting MLA in relevant pa-