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| Research of the Length Measurement and Classification of the Left Main Coronary Artery Based on iCT |
| Tiefa Coal Mining Group General Hospital， Diaobingshan 112700， China |
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Abstract Objective： To measure length of left main coronary artery and classify with coronary artery CTA.
Method： To collecte vessel analysis images of 218 patients who underwent coronary artery CTA， and accurately measured their length of coronary artery left main， and according to classify with its length. Result： 218 subjects， the left main coronary arteries length distribution ranged from 0 to 23.9 mm， the length was 0 mm for lacking main-style， less than 5.4 mm for short-style， between 5.4 mm and 16.6 mm for normal-style， and greater than 16.6 mm for long-style.Conclusion： Coronary artery CTA can accurately measure and classify the length of the left main.
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