Abstract
Objective: To explore the application value of cardiovascular extraction technique in the complex and/or complex malformation of congenital heart disease (CHD) and the application of deep learning to the diagnosis of medical imaging. Methods: Quantitative description of cardiovascular lesions and reconstruction of three-dimensional cardiovascular using angiographic images, the cardiovascular representation of the contrast image as a single pixel wide cardiovascular skeleton, using a rotating Gaussian function to enhance the image, using adaptive tracking circular template pair Enhanced cardiovascular images for cardiovascular extraction. The 360 cases of complex and/or complex malformation were analyzed and their association with clinical examinations such as echocardiography. Results: This group of 360 patients (including 75 cases of pulmonary atresia with ventricular septal defect, 62 cases of right ventricular double exit, 60 cases of tetralogy of Fallot, 52 cases of single ventricle, 42 cases of aortic dislocation, 15 cases of tricuspid atresia, 6 cases of coronary artery Abnormalities, 5 cases of complete pulmonary venous malformation, 5 cases of complete endocardial pad defect, 4 cases of common arterial trunk, 3 cases of interventricular complete pulmonary atresia, 7 cases of other cases and 24 cases of postoperative examination) angiography. Compared with ultrasound, the latter was corrected in 34 cases, missed diagnosis in 30 cases, and misdiagnosis in 16 cases of combined malformation. The detection and diagnosis of collateral vessels, coronary artery malformations and branches of pulmonary arteries and their abnormalities in complex and/or complex malformations are superior to echocardiography, and can measure pulmonary arterial and venous pressures and collateral vessel pressure It is superior to other imaging methods. Conclusions: Cardiac angiography (DSA) is still important for the diagnosis and differential diagnosis of difficult cases of congenital heart disease complex and/or complex malformation, especially showing the whole appearance and related lesions of the body, lung and coronary branches, as well as measuring pulmonary artery and ventricular pressure.
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