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| Home > Publications database > Non-enhanced versus low-dose contrast-enhanced renal magnetic resonance angiography at 7 T: a feasibility study. > print |
| 001 | 132493 | ||
| 005 | 20240229105019.0 | ||
| 024 | 7 | _ | |a 10.1177/0284185117718399 |2 doi |
| 024 | 7 | _ | |a pmid:28691526 |2 pmid |
| 024 | 7 | _ | |a 0001-6926 |2 ISSN |
| 024 | 7 | _ | |a 0284-1851 |2 ISSN |
| 024 | 7 | _ | |a 1600-0455 |2 ISSN |
| 037 | _ | _ | |a DKFZ-2018-00180 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 610 |
| 100 | 1 | _ | |a Laader, Anja |b 0 |
| 245 | _ | _ | |a Non-enhanced versus low-dose contrast-enhanced renal magnetic resonance angiography at 7 T: a feasibility study. |
| 260 | _ | _ | |a London |c 2018 |b Sage |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1521206850_1744 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Background Considering the currently reported association between a repetitive application and cumulative dosage of Gadolinium (Gd)-based contrast agents and Gd-deposition in brain tissue as well as the risk for the advent of nephrogenic systemic fibrosis (NSF), techniques allowing for a dose reduction become an important key aspect aside from non-enhanced magnetic resonance angiography (MRA) techniques. Thus, this study was focused on the reduction and/or complete omission of contrast agent for renal MRA at 7T. Purpose To evaluate the performance of time-of-flight MRA versus low-dose contrast-enhanced (CE) renal MRA at 7T. Material and Methods Ten healthy volunteers were examined on a 7T MR system comprising a TOF MRA and three-dimensional (3D) fast low angle shot spoiled gradient-echo sequence (FLASH) MRA after administration of one-quarter of clinical dose of gadobutrol. Qualitative image analysis was performed including overall image quality, artery delineation and presence of artifacts. Contrast ratio (CR), signal-to-noise ratio (SNR), and contrast-to-noise ratio (CNR) of the renal arteries were calculated. Results TOF MRA and low-CE MRA achieved comparable overall ratings, with slightly superior delineation of the main renal arteries in TOF MRA (TOF = 3.10 ± 0.75, low-CE = 2.95 ± 0.75). Segmental branches outside and inside the parenchyma were delineated significantly better on TOF MRA. Quantitative analysis demonstrated the superiority of TOF MRA, yielding higher scores for CR, SNR, and CNR. Conclusion The initial results of our study demonstrate the feasibility and comparable diagnostic performance of TOF and low-dose CE renal MRA at 7T. |
| 536 | _ | _ | |a 315 - Imaging and radiooncology (POF3-315) |0 G:(DE-HGF)POF3-315 |c POF3-315 |f POF III |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef, PubMed, |
| 650 | _ | 7 | |a Contrast Media |2 NLM Chemicals |
| 700 | 1 | _ | |a Beiderwellen, Karsten |b 1 |
| 700 | 1 | _ | |a Kraff, Oliver |b 2 |
| 700 | 1 | _ | |a Maderwald, Stefan |b 3 |
| 700 | 1 | _ | |a Ladd, Mark |0 P:(DE-He78)022611a2317e4de40fd912e0a72293a8 |b 4 |u dkfz |
| 700 | 1 | _ | |a Forsting, Michael |b 5 |
| 700 | 1 | _ | |a Umutlu, Lale |b 6 |
| 773 | _ | _ | |a 10.1177/0284185117718399 |g Vol. 59, no. 3, p. 296 - 304 |0 PERI:(DE-600)2024579-8 |n 3 |p 296 - 304 |t Acta radiologica |v 59 |y 2018 |x 1600-0455 |
| 909 | C | O | |o oai:inrepo02.dkfz.de:132493 |p VDB |
| 910 | 1 | _ | |a Deutsches Krebsforschungszentrum |0 I:(DE-588b)2036810-0 |k DKFZ |b 4 |6 P:(DE-He78)022611a2317e4de40fd912e0a72293a8 |
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| 914 | 1 | _ | |y 2018 |
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