دورية أكاديمية
أعرض في EDS

Subtraction of time-resolved magnetic resonance angiography images improves visualization of the pulmonary veins and left atrium in adults with congenital heart disease: a novel post-processing technique.

التفاصيل البيبلوغرافية
العنوان: Subtraction of time-resolved magnetic resonance angiography images improves visualization of the pulmonary veins and left atrium in adults with congenital heart disease: a novel post-processing technique.
المؤلفون: Sugrue G; Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland. gavin.sugrue@vch.ca., Cradock A; Radiography and Diagnostic Imaging, School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland., McGee A; Radiography and Diagnostic Imaging, School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland., McEntee C; Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland., Eustace SK; Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland., Fitzpatrick P; School of Public Health, Physiotherapy & Sports Science, University College Dublin, Dublin, Ireland., Lawler LP; Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland., Murray JG; Department of Radiology, Mater Misericordiae University Hospital, Dublin, Ireland.
المصدر: The international journal of cardiovascular imaging [Int J Cardiovasc Imaging] 2019 Jul; Vol. 35 (7), pp. 1339-1346. Date of Electronic Publication: 2019 Apr 04.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Springer Country of Publication: United States NLM ID: 100969716 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1875-8312 (Electronic) Linking ISSN: 15695794 NLM ISO Abbreviation: Int J Cardiovasc Imaging Subsets: MEDLINE
أسماء مطبوعة: Publication: [New York] : Springer
Original Publication: Boston : Kluwer Academic Publishers, c2001-
مواضيع طبية MeSH: Heart Atria/*diagnostic imaging , Heart Defects, Congenital/*diagnostic imaging , Image Interpretation, Computer-Assisted/*methods , Magnetic Resonance Angiography/*methods , Magnetic Resonance Imaging, Cine/*methods , Phlebography/*methods , Pulmonary Veins/*diagnostic imaging, Adolescent ; Adult ; Case-Control Studies ; Female ; Heart Atria/abnormalities ; Humans ; Male ; Predictive Value of Tests ; Prospective Studies ; Pulmonary Veins/abnormalities ; Stochastic Processes ; Time Factors ; Young Adult
مستخلص: To describe a novel time-resolved magnetic resonance angiography (TR-MRA) postprocessing technique using the time-resolved angiography with interleaved stochastic trajectories (TWIST) method to evaluate the pulmonary veins and left atrium in adults with congenital heart disease undergoing cardiac MRI. Institutional ethics committee approved the study. 21 consecutive adult patients (14 female, 7 male patients, mean age 28 years) with known congenital heart disease who underwent a cardiac MRI were included. Post-processing of the TR-MRA sequences created novel "subtracted" datasets. Two independent observers reviewed the conventional TWIST and novel subtracted TWIST data sets in source and maximum intensity projection (MIP) coronal reformats to assess visualization of the pulmonary veins and left atrium based on a 5-point scale. Quantitative signal to noise (SNR) comparison was performed. TR-MRA yielded diagnostic image data in 20/21 patients (95.2%). The novel "subtracted" TR-MRA technique improved visualization of the pulmonary veins and left atrium compared to the source TR-MRA sequence in 16/20 patients (mean scores 3.34 ± 0.69 vs. 2.92 ± 0.69, p < 0.008). Further improved visualization of the pulmonary veins and left atrium was observed in the subtracted MIP TWIST sequences compared to the MIP TWIST images (mean scores 4.43 ± 0.80 vs. 3.02 ± 0.87 vs., p < 0.001). No significant SNR difference between the source and novel subtracted group was observed (85.4 vs. 70.4, p = 0.57). Compared to source TR-MRA images, subtraction of TR-MRA images is a novel postprocessing technique that improves visualization of the pulmonary veins and left atrium in a substantial number of patients.
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فهرسة مساهمة: Keywords: Congenital; Heart defects; Left atrium; Magnetic resonance angiography; Pulmonary veins
تواريخ الأحداث: Date Created: 20190406 Date Completed: 20190722 Latest Revision: 20200225
رمز التحديث: 20240628
DOI: 10.1007/s10554-019-01585-x
PMID: 30949869
قاعدة البيانات: MEDLINE
الوصف
تدمد:1875-8312
DOI:10.1007/s10554-019-01585-x