Abstract:
BACKGROUND:The standardization of images used in Medicine in 1993 was performed using the DICOM (Digital Imaging and Communications in Medicine) standard. Several tests use this standard and it is increasingly necessary to design software applications capable of handling this type of image; however, these software applications are not usually free and open-source, and this fact hinders their adjustment to most diverse interests. OBJECTIVE:To develop and validate a free and open-source software application capable of handling DICOM coronary computed tomography angiography images. METHODS:We developed and tested the ImageLab software in the evaluation of 100 tests randomly selected from a database. We carried out 600 tests divided between two observers using ImageLab and another software sold with Philips Brilliance computed tomography appliances in the evaluation of coronary lesions and plaques around the left main coronary artery (LMCA) and the anterior descending artery (ADA). To evaluate intraobserver, interobserver and intersoftware agreements, we used simple and kappa statistics agreements. RESULTS:The agreements observed between software applications were generally classified as substantial or almost perfect in most comparisons. CONCLUSION:The ImageLab software agreed with the Philips software in the evaluation of coronary computed tomography angiography tests, especially in patients without lesions, with lesions < 50% in the LMCA and < 70% in the ADA. The agreement for lesions > 70% in the ADA was lower, but this is also observed when the anatomical reference standard is used.
journal_name
Arq Bras Cardioljournal_title
Arquivos brasileiros de cardiologiaauthors
Hadlich MS,Oliveira GM,Feijóo RA,Azevedo CF,Tura BR,Ziemer PG,Blanco PJ,Pina G,Meira M,Souza e Silva NAdoi
10.1590/s0066-782x2012005000089subject
Has Abstractpub_date
2012-10-01 00:00:00pages
944-51issue
4eissn
0066-782Xissn
1678-4170pii
S0066-782X2012005000089journal_volume
99pub_type
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