Future directions of renal MRI 3d international conference of - - PowerPoint PPT Presentation

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Future directions of renal MRI 3d international conference of - - PowerPoint PPT Presentation

Future directions of renal MRI 3d international conference of functional renal imaging Steven Sourbron www.renalmri.org Growth of renal MRI (2015 - 2020) Bordeaux Oct 2015 Berlin Oct Oct 2017 Nottingham Oct 2019 ??? Oct 2021 ??? Steven


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www.renalmri.org

Future directions of renal MRI

3d international conference of functional renal imaging

Steven Sourbron

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Steven Sourbron, Nottingham, 2019.10.17

Growth of renal MRI (2015 - 2020)

Bordeaux Oct 2015 Berlin Oct Oct 2017 Nottingham Oct 2019

??? Oct 2021 ???

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Steven Sourbron, Nottingham, 2019.10.17

Drivers for growth of renal MRI

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Steven Sourbron, Nottingham, 2019.10.17

Promises of renal MRI

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony 8th international conference on renal MRI

Category I: Novel technologies and contrast mechanisms in renal MRI Category II: How reliable are MRI biomarkers of the kidney? Category III: What does renal MRI tell us about kidney structure and function? Category IV: How are renal MRI biomarkers useful?

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category I. Novel technologies and contrast mechanisms

Gold award Silver award Bronze award

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category I. Novel technologies and contrast mechanisms

Gold award Silver award Bronze award

A 10-minute MRI acquisition protocol for renal anatomy, diffusion-tensor imaging, tractography, intravoxel incoherent motion, blood oxygenation- level dependent imaging, T1- and T2 mapping, magnetisation transfer contrast, chemical exchange saturation transfer, angiography, phase contrast, hyperpolarised MRI, MR renography, multiple inversion time arterial spin labelling, elastin expression, time-resolved MRI spectroscopy, Sodium MRI, quantitative susceptibility mapping and MR urography.

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Steven Sourbron, Nottingham, 2019.10.17

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category I. Novel technologies and contrast mechanisms

Gold award Silver award Bronze award

A 10-minute MRI acquisition protocol for renal anatomy, diffusion-tensor imaging, tractography, intravoxel incoherent motion, blood oxygenation- level dependent imaging, T1- and T2 mapping, magnetisation transfer contrast, chemical exchange saturation transfer, angiography, phase contrast, hyperpolarised MRI, MR renography, multiple inversion time arterial spin labelling, elastin expression, time-resolved MRI spectroscopy, Sodium MRI, quantitative susceptibility mapping and MR urography.

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category I. Novel technologies and contrast mechanisms

Gold award Silver award

A dedicated low-field MRI scanner for AKI assessment on the intensive care ward.

Bronze award

A 10-minute MRI acquisition protocol for renal anatomy, diffusion-tensor imaging, tractography, intravoxel incoherent motion, blood oxygenation- level dependent imaging, T1- and T2 mapping, magnetisation transfer contrast, chemical exchange saturation transfer, angiography, phase contrast, hyperpolarised MRI, MR renography, multiple inversion time arterial spin labelling, elastin expression, time-resolved MRI spectroscopy, Sodium MRI, quantitative susceptibility mapping and MR urography.

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Steven Sourbron, Nottingham, 2019.10.17

6.5 mT 3.0T

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category I. Novel technologies and contrast mechanisms

Gold award Silver award

A dedicated low-field MRI scanner for AKI assessment on the intensive care ward.

Bronze award

A 10-minute MRI acquisition protocol for renal anatomy, diffusion-tensor imaging, tractography, intravoxel incoherent motion, blood oxygenation- level dependent imaging, T1- and T2 mapping, magnetisation transfer contrast, chemical exchange saturation transfer, angiography, phase contrast, hyperpolarised MRI, MR renography, multiple inversion time arterial spin labelling, elastin expression, time-resolved MRI spectroscopy, Sodium MRI, quantitative susceptibility mapping and MR urography.

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category I. Novel technologies and contrast mechanisms

Gold award

A novel MRI method for the prenatal measurement of single-kidney function.

Silver award

A dedicated low-field MRI scanner for AKI assessment on the intensive care ward.

Bronze award

A 10-minute MRI acquisition protocol for renal anatomy, diffusion-tensor imaging, tractography, intravoxel incoherent motion, blood oxygenation- level dependent imaging, T1- and T2 mapping, magnetisation transfer contrast, chemical exchange saturation transfer, angiography, phase contrast, hyperpolarised MRI, MR renography, multiple inversion time arterial spin labelling, elastin expression, time-resolved MRI spectroscopy, Sodium MRI, quantitative susceptibility mapping and MR urography.

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Steven Sourbron, Nottingham, 2019.10.17

  • 25% of all prenatal US detect congenital

abnormalities of the genitourinary tract.

  • The impact on kidney function is difficult to

determine (no blood & urine)

  • Fetal MRI is very difficult (size, motion)
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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category II. Accuracy and precision of renal MRI biomarkers

Gold award Silver award Bronze award

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category II. Accuracy and precision of renal MRI biomarkers

Gold award Silver award Bronze award

Normal reference ranges for 45 renal MRI biomarkers: a UKRIN imaging biobank study in 5000 healthy subjects

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Steven Sourbron, Nottingham, 2019.10.17

45 yr old, male, healthy 74 yr old, male, Type 2 diabetes 72 yr old, male, Healthy

??

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category II. Accuracy and precision of renal MRI biomarkers

Gold award Silver award Bronze award

Normal reference ranges for 45 renal MRI biomarkers: a UKRIN imaging biobank study in 5000 healthy subjects

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category II. Accuracy and precision of renal MRI biomarkers

Gold award Silver award

Patient-specific error estimates in cortical fractional anisotropy with a 5% confidence.

Bronze award

Normal reference ranges for 45 renal MRI biomarkers: a UKRIN imaging biobank study in 5000 healthy subjects

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Steven Sourbron, Nottingham, 2019.10.17

MRI Biomarker Panel

TEST RESULT UNIT FLAG Volumetry Kidney Volume 250 ml Cystic volume 70 % High? Renography SK-GFR: 65 ml/min Blood Flow: 644 ml/min Extraction Fraction: 18 % Blood Volume: 22 % Low? Transit Time: 2.2 min Functional Volume: 212 ml Diffusion ADC (medulla): 2.84 10-3 mm2/s ADC (cortex): 2.55 10-3 mm2/s FA (medulla): 39 % FA (cortex): 22 % BOLD T2* (medulla) 54 ms High? T2* (cortex) 66 ms Reserve (medulla) 13 % Reserve (cortex) 12 %

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category II. Accuracy and precision of renal MRI biomarkers

Gold award Silver award

Patient-specific error estimates in cortical fractional anisotropy with a 5% confidence.

Bronze award

Normal reference ranges for 45 renal MRI biomarkers: a UKRIN imaging biobank study in 5000 healthy subjects

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category II. Accuracy and precision of renal MRI biomarkers

Gold award

Implementation of renal MRI biomarker results traceable to the SRMR international reference standard.

Silver award

Patient-specific error estimates in cortical fractional anisotropy with a 5% confidence.

Bronze award

Normal reference ranges for 45 renal MRI biomarkers: a UKRIN imaging biobank study in 5000 healthy subjects

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Steven Sourbron, Nottingham, 2019.10.17

  • Is my new machine (assay) well calibrated?
  • Is my machine (assay) still accurate?
  • Has my software upgrade affected accuracy?
  • Is this new product accurate?
  • Should I buy machine A or machine B?
  • Are the values from lab A and B comparable?

“Authority” Reference Lab 1 Reference Lab 2 Reference Lab 3 Local Lab Local Lab Local Lab Local Lab Local Lab Local Lab

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category III. Biological sensitivity & specificity of renal MRI

Gold award Silver award Bronze award

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category III. Biological sensitivity & specificity of renal MRI

Gold award Silver award Bronze award

A non-invasive MRI biomarker shows 95% specificity to tubulo-interstitial fibrosis.

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Steven Sourbron, Nottingham, 2019.10.17

Friedli 2016

 Fibrosis changes => Biomarker changes  Biomarker changes => fibrosis changes

“Fibrosis reduces extracellular water => reduces ADC” “Fibrosis increases extracellular water => increases T1”

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category III. Biological sensitivity & specificity of renal MRI

Gold award Silver award Bronze award

A non-invasive MRI biomarker shows 95% specificity to tubulo-interstitial fibrosis.

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category III. Biological sensitivity & specificity of renal MRI

Gold award Silver award

Dual-agent MRI of the ultrafiltrate measures elevated albumin in normo- albuminuric diabetic nephropathy.

Bronze award

A non-invasive MRI biomarker shows 95% specificity to tubulo-interstitial fibrosis.

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category III. Biological sensitivity & specificity of renal MRI

Gold award

Mapping single nephron GFR across the human kidney: a validation study.

Silver award

Dual-agent MRI of the ultrafiltrate measures elevated albumin in normo- albuminuric diabetic nephropathy.

Bronze award

A non-invasive MRI biomarker shows 95% specificity to tubulo-interstitial fibrosis.

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category IV. Utility of renal MRI in drug development and clinical practice

Gold award Silver award Bronze award

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category IV. Utility of renal MRI in drug development and clinical practice

Gold award Silver award Bronze award

Virtual MRI biopsy distinguishes diabetic glomerulosclerosis from hypertensive microvascular disease.

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Steven Sourbron, Nottingham, 2019.10.17

Vascular wall thickening Diabetic glomerulosclerosis

Courtesy Loreto Gesualdo

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category IV. Utility of renal MRI in drug development and clinical practice

Gold award Silver award Bronze award

Virtual MRI biopsy distinguishes diabetic glomerulosclerosis from hypertensive microvascular disease.

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category IV. Utility of renal MRI in drug development and clinical practice

Gold award Silver award

FDA qualification of a fibrosis-specific MRI contrast agent as surrogate endpoint in clinical trials.

Bronze award

Virtual MRI biopsy distinguishes diabetic glomerulosclerosis from hypertensive microvascular disease.

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Steven Sourbron, Nottingham, 2019.10.17

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category IV. Utility of renal MRI in drug development and clinical practice

Gold award Silver award

FDA qualification of a fibrosis-specific MRI contrast agent as surrogate endpoint in clinical trials.

Bronze award

Virtual MRI biopsy distinguishes diabetic glomerulosclerosis from hypertensive microvascular disease.

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www.renalmri.org

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Steven Sourbron, Nottingham, 2019.10.17

ISRMR 2029 award ceremony

Category IV. Utility of renal MRI in drug development and clinical practice

Gold award

MRI biomarkers improve the prediction of eGFR decline in patients with Type 2 diabetes – the iBEAt study

Silver award

FDA qualification of a fibrosis-specific MRI contrast agent as surrogate endpoint in clinical trials.

Bronze award

Virtual MRI biopsy distinguishes diabetic glomerulosclerosis from hypertensive microvascular disease.

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Steven Sourbron, Nottingham, 2019.10.17

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Steven Sourbron, Nottingham, 2019.10.17

Fourth international renal imaging meeting 2021

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Steven Sourbron, Nottingham, 2019.10.17

2021 International Meeting

Suraj Seraj Pottumarthi Prasad

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Steven Sourbron, Nottingham, 2019.10.17

Plenary discussion

Location next meeting (2021)?

  • Somewhere in US (ASN satellite)
  • Sweden, Uppsala

Frequency of future meetings?

  • Continue with October time bi-annual meetings?
  • Ad-hoc planning?
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Steven Sourbron, Nottingham, 2019.10.17

Thank you to the organisers!!

Susan Francis Nick Selby Maarten Taal