دورية أكاديمية
أعرض في EDS

Non-contrast free-breathing whole-heart 3D cine cardiovascular magnetic resonance with a novel 3D radial leaf trajectory.

التفاصيل البيبلوغرافية
العنوان: Non-contrast free-breathing whole-heart 3D cine cardiovascular magnetic resonance with a novel 3D radial leaf trajectory.
المؤلفون: Braunstorfer L; Department of Cardiology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, MA, USA; Department of Informatics, Technical University of Munich, Munich, BY, Germany. Electronic address: lukas.braunstorfer@tum.de., Romanowicz J; Department of Cardiology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, MA, USA; Department of Pediatrics, Section of Cardiology, Children's Hospital Colorado, School of Medicine, The University of Colorado, CO, USA., Powell AJ; Department of Cardiology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, MA, USA., Pattee J; Department of Biostatistics and Informatics, Colorado School of Public Health, CO, USA., Browne LP; Department of Radiology, Children's Hospital Colorado, and School of Medicine, The University of Colorado, CO, USA., van der Geest RJ; Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands., Moghari MH; Department of Radiology, Children's Hospital Colorado, and School of Medicine, The University of Colorado, CO, USA.
المصدر: Magnetic resonance imaging [Magn Reson Imaging] 2022 Dec; Vol. 94, pp. 64-72. Date of Electronic Publication: 2022 Sep 16.
نوع المنشور: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 8214883 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-5894 (Electronic) Linking ISSN: 0730725X NLM ISO Abbreviation: Magn Reson Imaging Subsets: MEDLINE
أسماء مطبوعة: Publication: <2008->: Amsterdam : Elsevier
Original Publication: New York : Pergamon, c1982-
مواضيع طبية MeSH: Heart*/diagnostic imaging , Magnetic Resonance Imaging, Cine*/methods, Humans ; Imaging, Three-Dimensional/methods ; Magnetic Resonance Spectroscopy ; Reproducibility of Results ; Respiration
مستخلص: Purpose: To develop and validate a non-contrast free-breathing whole-heart 3D cine steady-state free precession (SSFP) sequence with a novel 3D radial leaf trajectory.
Methods: We used a respiratory navigator to trigger acquisition of 3D cine data at end-expiration to minimize respiratory motion in our 3D cine SSFP sequence. We developed a novel 3D radial leaf trajectory to reduce gradient jumps and associated eddy-current artifacts. We then reconstructed the 3D cine images with a resolution of 2.0mm 3 using an iterative nonlinear optimization algorithm. Prospective validation was performed by comparing ventricular volumetric measurements from a conventional breath-hold 2D cine ventricular short-axis stack against the non-contrast free-breathing whole-heart 3D cine dataset in each patient (n = 13).
Results: All 3D cine SSFP acquisitions were successful and mean scan time was 07:09 ± 01:31 min. End-diastolic ventricular volumes for left ventricle (LV) and right ventricle (RV) measured from the 3D datasets were smaller than those from 2D (LV: 159.99 ± 42.99 vs. 173.16 ± 47.42; RV: 180.35 ± 46.08 vs. 193.13 ± 49.38; p-value≤0.044; bias<8%), whereas ventricular end-systolic volumes were more comparable (LV: 79.12 ± 26.78 vs. 78.46 ± 25.35; RV: 97.18 ± 32.35 vs. 102.42 ± 32.53; p-value≥0.190, bias<6%). The 3D cine data had a lower subjective image quality score.
Conclusion: Our non-contrast free-breathing whole-heart 3D cine sequence with novel leaf trajectory was robust and yielded smaller ventricular end-diastolic volumes compared to 2D cine imaging. It has the potential to make examinations easier and more comfortable for patients.
(Copyright © 2022 Elsevier Inc. All rights reserved.)
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معلومات مُعتمدة: R01 HL149807 United States HL NHLBI NIH HHS
فهرسة مساهمة: Keywords: 3D cine; And 3D radial trajectory; Cardiovascular magnetic resonance; Free-breathing; Non-contrast; Ventricular function; Whole-heart
تواريخ الأحداث: Date Created: 20220919 Date Completed: 20221026 Latest Revision: 20221202
رمز التحديث: 20221202
مُعرف محوري في PubMed: PMC9631735
DOI: 10.1016/j.mri.2022.09.003
PMID: 36122675
قاعدة البيانات: MEDLINE
الوصف
تدمد:1873-5894
DOI:10.1016/j.mri.2022.09.003