The Influence of Anthropometric Factors on Renal mpMRI: Insights From Regional Analysis.
BMI
BSA
age
kidney
mpMRI
regional
Journal
Journal of magnetic resonance imaging : JMRI
ISSN: 1522-2586
Titre abrégé: J Magn Reson Imaging
Pays: United States
ID NLM: 9105850
Informations de publication
Date de publication:
28 Oct 2024
28 Oct 2024
Historique:
revised:
04
10
2024
received:
16
07
2024
accepted:
08
10
2024
medline:
28
10
2024
pubmed:
28
10
2024
entrez:
28
10
2024
Statut:
aheadofprint
Résumé
Multiparametric MRI (mpMRI) provides detailed insights into renal function, but the impact of anthropometric factors on renal imaging is not fully understood. To investigate regional correlations between mpMRI parameters and age, body mass index (BMI), and body surface area (BSA). Prospective, cross-sectional observational study. Twenty-nine healthy volunteers (44.5 ± 18.3 years, 18 females) without a history of renal disease. 3-T, pseudo-continuous arterial spin labeling, multi-echo gradient-recalled echo, diffusion-weighted imaging, T Bilateral kidneys were segmented into nine concentric layers (outer cortex to inner regions) and nine equiangular sections (lower to upper pole). Key parameters (renal blood flow [RBF], Spearman correlation, Mann-Whitney U test, and rank-biserial correlation coefficient for effect size. A P-value <0.05 was considered statistically significant. RBF correlated negatively with age in all regions and BMI in inner layers and lower pole. ADC negatively correlated with BMI (significance was not reached in layers 2, 7, 8; P-value = 0.06-0.12) and BSA in layers 1-7. T Intrarenal variance of mpMRI parameters correlated with age, BMI, and BSA. 4 TECHNICAL EFFICACY: Stage 1.
Sections du résumé
BACKGROUND
BACKGROUND
Multiparametric MRI (mpMRI) provides detailed insights into renal function, but the impact of anthropometric factors on renal imaging is not fully understood.
PURPOSE
OBJECTIVE
To investigate regional correlations between mpMRI parameters and age, body mass index (BMI), and body surface area (BSA).
STUDY TYPE
METHODS
Prospective, cross-sectional observational study.
POPULATION
METHODS
Twenty-nine healthy volunteers (44.5 ± 18.3 years, 18 females) without a history of renal disease.
FIELD STRENGTH/SEQUENCE
UNASSIGNED
3-T, pseudo-continuous arterial spin labeling, multi-echo gradient-recalled echo, diffusion-weighted imaging, T
ASSESSMENT
RESULTS
Bilateral kidneys were segmented into nine concentric layers (outer cortex to inner regions) and nine equiangular sections (lower to upper pole). Key parameters (renal blood flow [RBF],
STATISTICAL TESTS
METHODS
Spearman correlation, Mann-Whitney U test, and rank-biserial correlation coefficient for effect size. A P-value <0.05 was considered statistically significant.
RESULTS
RESULTS
RBF correlated negatively with age in all regions and BMI in inner layers and lower pole. ADC negatively correlated with BMI (significance was not reached in layers 2, 7, 8; P-value = 0.06-0.12) and BSA in layers 1-7. T
DATA CONCLUSION
CONCLUSIONS
Intrarenal variance of mpMRI parameters correlated with age, BMI, and BSA.
EVIDENCE LEVEL
METHODS
4 TECHNICAL EFFICACY: Stage 1.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2024 International Society for Magnetic Resonance in Medicine.
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