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Magnetic Resonance Materials in Physics, Biology and Medicine

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Open Access 01.11.2019 | Research Article

Consensus-based technical recommendations for clinical translation of renal diffusion-weighted MRI

verfasst von: Alexandra Ljimani, Anna Caroli, Christoffer Laustsen, Susan Francis, Iosif Alexandru Mendichovszky, Octavia Bane, Fabio Nery, Kanishka Sharma, Andreas Pohlmann, Ilona A. Dekkers, Jean-Paul Vallee, Katja Derlin, Mike Notohamiprodjo, Ruth P. Lim, Stefano Palmucci, Suraj D. Serai, Joao Periquito, Zhen Jane Wang, Martijn Froeling, Harriet C. Thoeny, Pottumarthi Prasad, Moritz Schneider, Thoralf Niendorf, Pim Pullens, Steven Sourbron, Eric E. Sigmund

Erschienen in: Magnetic Resonance Materials in Physics, Biology and Medicine | Ausgabe 1/2020

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Abstract

Objectives

Standardization is an important milestone in the validation of DWI-based parameters as imaging biomarkers for renal disease. Here, we propose technical recommendations on three variants of renal DWI, monoexponential DWI, IVIM and DTI, as well as associated MRI biomarkers (ADC, D, D*, f, FA and MD) to aid ongoing international efforts on methodological harmonization.

Materials and methods

Reported DWI biomarkers from 194 prior renal DWI studies were extracted and Pearson correlations between diffusion biomarkers and protocol parameters were computed. Based on the literature review, surveys were designed for the consensus building. Survey data were collected via Delphi consensus process on renal DWI preparation, acquisition, analysis, and reporting. Consensus was defined as ≥ 75% agreement.

Results

Correlations were observed between reported diffusion biomarkers and protocol parameters. Out of 87 survey questions, 57 achieved consensus resolution, while many of the remaining questions were resolved by preference (65–74% agreement). Summary of the literature and survey data as well as recommendations for the preparation, acquisition, processing and reporting of renal DWI were provided.

Discussion

The consensus-based technical recommendations for renal DWI aim to facilitate inter-site harmonization and increase clinical impact of the technique on a larger scale by setting a framework for acquisition protocols for future renal DWI studies. We anticipate an iterative process with continuous updating of the recommendations according to progress in the field.

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Titel: Consensus-based technical recommendations for clinical translation of renal diffusion-weighted MRI
verfasst von: Alexandra Ljimani
Anna Caroli
Christoffer Laustsen
Susan Francis
Iosif Alexandru Mendichovszky
Octavia Bane
Fabio Nery
Kanishka Sharma
Andreas Pohlmann
Ilona A. Dekkers
Jean-Paul Vallee
Katja Derlin
Mike Notohamiprodjo
Ruth P. Lim
Stefano Palmucci
Suraj D. Serai
Joao Periquito
Zhen Jane Wang
Martijn Froeling
Harriet C. Thoeny
Pottumarthi Prasad
Moritz Schneider
Thoralf Niendorf
Pim Pullens
Steven Sourbron
Eric E. Sigmund
Publikationsdatum: 01.11.2019
Verlag: Springer International Publishing
Erschienen in: Magnetic Resonance Materials in Physics, Biology and Medicine / Ausgabe 1/2020
Print ISSN: 0968-5243
Elektronische ISSN: 1352-8661
DOI: https://doi.org/10.1007/s10334-019-00790-y

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Consensus-based technical recommendations for clinical translation of renal diffusion-weighted MRI

Abstract

Objectives

Materials and methods

Results

Discussion

Neu im Fachgebiet Radiologie

Fünf Dinge, die im Kindernotfall besser zu unterlassen sind

Wie toxische Männlichkeit der Gesundheit von Männern schadet

Studie bestätigt Potenzial von KI in der Radiologie

Quantitative Angiografie könnte IVUS-Alternative darstellen

Update Radiologie

Live-Webinar: Aktuelle Leitlinien bei Herz-Kreislauf-Erkrankungen

Springer Medizin

Abstract

Objectives

Materials and methods

Results

Discussion

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