PERFORM Publications

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Title		Authors	PubMed ID
1	A population-averaged structural connectomic brain atlas dataset from 422 HCP-aging subjects	Xiao Y; Gilmore G; Kai J; Lau JC; Peters T; Khan AR;	37663773 ENCS
2	Neurophysiology, Neuropsychology, and Epilepsy, in 2022: Hills We Have Climbed and Hills Ahead. Neurophysiology in epilepsy	Frauscher B; Bénar CG; Engel JJ; Grova C; Jacobs J; Kahane P; Wiebe S; Zjilmans M; Dubeau F;	37119580 PERFORM
3	High resolution atlas of the venous brain vasculature from 7 T quantitative susceptibility maps.	Huck J, Wanner Y, Fan AP, Jäger AT, Grahl S, Schneider U, Villringer A, Steele CJ, Tardif CL, Bazin PL, Gauthier CJ	31278570 PSYCHOLOGY
4	A dataset of multi-contrast population-averaged brain MRI atlases of a Parkinson׳s disease cohort.	Xiao Y, Fonov V, Chakravarty MM, Beriault S, Al Subaie F, Sadikot A, Pike GB, Bertrand G, Collins DL	28491942 PERFORM
5	Population-averaged MRI atlases for automated image processing and assessments of lumbar paraspinal muscles.	Xiao Y, Fortin M, Battié MC, Rivaz H	30051147 PERFORM

Title:	Population-averaged MRI atlases for automated image processing and assessments of lumbar paraspinal muscles.
Authors:	Xiao Y, Fortin M, Battié MC, Rivaz H
Link:	https://www.ncbi.nlm.nih.gov/pubmed/30051147?dopt=Abstract
DOI:	10.1007/s00586-018-5704-z
Publication:	European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
Keywords:	Image processing; Lumbar paraspinal muscles; MRI atlas; Measurement; Multifidus;
PMID:	30051147	Category:	Eur Spine J	Date Added:	2019-04-15
Dept Affiliation:	PERFORM 1 Robarts Research Institute, Western University, 1151 Richmond Street North, London, ON, N6A 5B7, Canada. yxiao286@uwo.ca. 2 PERFORM Centre, Concordia University, Montreal, Canada. 3 School of Physical Therapy, Western University, London, Canada. 4 Bone and Joint Institute, Western University, London, Canada. 5 Department of Electrical and Computer Engineering, Concordia University, Montreal, Canada.

Description:

Population-averaged MRI atlases for automated image processing and assessments of lumbar paraspinal muscles.

Eur Spine J. 2018 Oct;27(10):2442-2448

Authors: Xiao Y, Fortin M, Battié MC, Rivaz H

Abstract

PURPOSE: Growing evidence suggests an association between lumbar paraspinal muscle degeneration and low back pain (LBP). Currently, time-consuming and laborious manual segmentations of paraspinal muscles are commonly performed on magnetic resonance imaging (MRI) axial scans. Automated image analysis algorithms can mitigate these drawbacks, but they often require individual MRIs to be aligned to a standard "reference" atlas. Such atlases are well established in automated neuroimaging analysis. Our aim was to create atlases of similar nature for automated paraspinal muscle measurements.

METHODS: Lumbosacral T2-weighted MRIs were acquired from 117 patients who experienced LBP, stratified by gender and age group (30-39, 40-49, and 50-59 years old). Axial MRI slices of the L4-L5 and L5-S1 levels at mid-disc were obtained and aligned using group-wise linear and nonlinear image registration to produce a set of unbiased population-averaged atlases for lumbar paraspinal muscles.

RESULTS: The resulting atlases represent the averaged morphology and MRI intensity features of the corresponding cohorts. Differences in paraspinal muscle shapes and fat infiltration levels with respect to gender and age can be visually identified from the population-averaged data from both linear and nonlinear registrations.

CONCLUSION: We constructed a set of population-averaged atlases for developing automated algorithms to help analyze paraspinal muscle morphometry from axial MRI scans. Such an advancement could greatly benefit the fields of paraspinal muscle and LBP research. These slides can be retrieved under Electronic Supplementary Material.

PMID: 30051147 [PubMed - in process]

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