Dermatologia Pediátrica Clínica Acesso livre

Abstrato

Pediatric Cardiology 2015 - Color coded 3D models of cardiac anatomy improves identification of structures in congenital heart disease - Randy Richardson - St. Josephs Hospital and Medical Center

Randy Richardson

Objective: Cardiac CT Angiography (CCTA) with three dimensional reconstructions is quickly becoming the new standard for identification and characterization of congenital heart diseases. Congenital Heart Disease (CHD) is a noteworthy morphological deviation of heart life structures present during childbirth, bringing about hemodynamic and useful inconsistencies, regularly requiring early interventional and additionally careful whitewashing or fix. Patients with CHD injuries speak to a critical piece of the clinical populace as the sores are available in roughly 8 out of 1000 births in the United States and speak to the main source of mortality from intrinsic imperfections. Coronary figured tomography angiography (CCTA) utilizes an infusion of iodine-containing contrast material and CT filtering to inspect the corridors that flexibly blood to the heart and decide if they have been limited. The pictures produced during a CT output can be reformatted to make three-dimensional (3D) pictures that might be seen on a screen, imprinted on film or by a 3D printer, or moved to electronic media. 3D printing is a perfect assembling process for making tolerant coordinated models (anatomical models) for careful and interventional arranging. Imaging modalities utilized for determination and treatment arranging are figured tomography (CT), attractive reverberation (MR) imaging, and echocardiography (reverberation). Clinical picture post-preparing and volumetric rendering methods give an abundance of data pre-and peri-procedural arranging; be that as it may, the pictures stay isolated from the physical area in which the specialists effectively work. Three-dimensional (3D) printing empowers tolerant coordinated (otherwise called persistent explicit) anatomical models, allowing clinicians a chance to see life systems and sores explicit to a patient at a given point in time. 3D printing is a perfect assembling process empowering propagation of patient-coordinated morphology in a physical way because of its added substance methods. 3D printing of cardiovascular life structures (hereinafter alluded to as "anatomical models") for careful arranging was portrayed in diaries as ahead of schedule as 2000. The blast and selection of this innovation has yielded an abundance of clinical cases wherein care was expanded by 3D printed heart models. Heart anatomical models have been portrayed in various contextual analyses and diary distributions. Be that as it may, scarcely any examinations endeavor to portray more extensive effect of the novel arranging increase apparatus. The motivation behind this investigation is to exhibit adequacy of normalized shading coding of the anatomical structures in 3D reproductions of inborn heart infections utilizing CCTA.

Materials and Methods: A simple to-follow shading coding plan was actualized for the different anatomical structures. The aorta and its branches (counting coronaries) were hued splendid red. The pneumonic corridors and veins were shaded dim blue and dull pink individually. The ventricles were hued in a lighter shade of their separate surge tracts to outline the two chambers. Henceforth, the left ventricle was hued a lighter shade of red and the correct ventricle was hued a lighter shade of blue. The left and right atria were hued a much lighter shade of red and blue separately. The tracheo-bronchial tree was delineated in yellow. CCTA information of 5, arbitrarily chose, patients with inborn coronary illness was chosen. 3D recreations of the life systems were performed with no shading, irregular shading, and normalized shading plans (as depicted above), utilizing financially accessible workstations. Aggregate of 12 fundamental thoracic structures were named on each shading plan. Three gatherings of 40, second year clinical understudies each were haphazardly chosen and indicated one of the over three shading plans separately. They were approached to distinguish the marked structures, and their reactions were factually broke down utilizing ANOVA test.

Results: In the "No Color" gathering, 11 of the 40 understudies neglected to recognize a solitary of the twelve marked anatomical structures (0 of 12) effectively. The normal number of effectively recognized structures in this gathering was 2.5. In the "Arbitrary Color" gathering, the quantity of effectively distinguished structures fluctuated from 1 to 9, with a normal of 5.3 structures. In the "Normalized Color" gathering, the quantity of accurately recognized structures differed from 4 to 11 with a normal of 6.6 structures. These results were measurably huge with p estimation of <0.0001.

Conclusion: Standardized shading coded 3D recreations improve recognizable proof of anatomical structures, instead of arbitrarily hued or uncolored 3D reproductions. We propose this shading coding plan as the standard for exhibiting life systems of innate coronary illness for 3D recreations.