scholarly journals Longitudinal analysis of T1ρ and T2 quantitative MRI of knee cartilage laminar organization following microfracture surgery

The Knee ◽  
2012 ◽  
Vol 19 (5) ◽  
pp. 652-657 ◽  
Author(s):  
Alexander A. Theologis ◽  
William W. Schairer ◽  
Julio Carballido-Gamio ◽  
Sharmila Majumdar ◽  
Xiaojuan Li ◽  
...  
Keyword(s):  
Longitudinal Analysis ◽  
Quantitative Mri ◽  
Knee Cartilage ◽  
Laminar Organization

scholarly journals Longitudinal analysis of MRI T 2 knee cartilage laminar organization in a subset of patients from the osteoarthritis initiative: A texture approach

2010 ◽  
Vol 65 (4) ◽  
pp. 1184-1194 ◽  
Author(s):  
Julio Carballido-Gamio ◽  
Gabby B. Joseph ◽  
John A. Lynch ◽  
Thomas M. Link ◽  
Sharmila Majumdar
Keyword(s):  
Longitudinal Analysis ◽  
Knee Cartilage ◽  
Laminar Organization ◽  
Osteoarthritis Initiative

scholarly journals Longitudinal analysis of MRI T 2 knee cartilage laminar organization in a subset of patients from the osteoarthritis initiative

2009 ◽  
Vol 63 (2) ◽  
pp. 465-472 ◽  
Author(s):  
Julio Carballido-Gamio ◽  
Gabrielle Blumenkrantz ◽  
John A. Lynch ◽  
Thomas M. Link ◽  
Sharmila Majumdar
Keyword(s):  
Longitudinal Analysis ◽  
Knee Cartilage ◽  
Laminar Organization ◽  
Osteoarthritis Initiative

Optimization of knee cartilage texture analysis of quantitative MRI T2 maps

2021 ◽  
Vol 29 ◽  
pp. S329-S330
Author(s):  
V. Janáčová ◽  
V. Juras ◽  
P. Szomolanyi ◽  
S. Trattnig
Keyword(s):  
Texture Analysis ◽  
Quantitative Mri ◽  
Knee Cartilage

Quantitative MRI T2 Relaxation Time Evaluation of Knee Cartilage

2015 ◽  
Vol 43 (4) ◽  
pp. 865-872 ◽  
Author(s):  
Hong Li ◽  
Shuang Chen ◽  
Hongyue Tao ◽  
Shiyi Chen
Keyword(s):  
Relaxation Time ◽  
Quantitative Mri ◽  
T2 Relaxation Time ◽  
Knee Cartilage ◽  
T2 Relaxation ◽  
Time Evaluation

Evaluation of Knee Cartilage Diurnal, Activity, and BMI-Related Variations Using Quantitative T2 Mapping MRI and Fitbit Activity Tracking

2019 ◽  
Author(s):  
George R. Matcuk ◽  
Ian A. Jones ◽  
J. Alex McIntyre ◽  
Robert Burt ◽  
Darryl Hwang ◽  
...  
Keyword(s):  
Diurnal Variation ◽  
Daily Activity ◽  
T2 Mapping ◽  
Weight Bearing ◽  
Relaxation Times ◽  
Time Of Day ◽  
Quantitative Mri ◽  
Knee Cartilage ◽  
Mixed Effect ◽  
Magnetic Resonance Imaging Mri

AbstractThe aim of this study is to evaluate diurnal variation in knee cartilage 3 Tesla magnetic resonance imaging (MRI) T2 mapping relaxation times, as well as activity- and body mass index (BMI)-dependent variability, using quantitative analysis of T2 values from segmented regions of the weight-bearing articular surfaces of the medial and lateral femoral condyles and tibial plateaus. Ten healthy volunteers' daily activity (steps) were tracked with Fitbit pedometers. Sagittal MRI T2 maps were obtained in the morning and afternoon on days 2 and 3. Mean T2 values were analyzed for variation related to the number of steps taken (activity), time of day (diurnal variation), and BMI using mixed effect model. Significant (albeit small) differences in the medial femoral and medial tibial cartilage regions were identified between morning and afternoon scans (diurnal variation). Daily activity did not result in significant changes and increasing BMI only demonstrated a slight increase in T2 values for the lateral tibial plateau. These findings suggest that it may be necessary to control diurnal variation when using quantitative MRI T2 mapping to assess articular cartilage longitudinally in healthy participants. Further investigation is needed to confirm these findings and determine if they also apply to symptomatic patients.

Leptin increases during weight gain reach an upper maximal plateau: Longitudinal analysis in children

2005 ◽  
Vol 94 (0) ◽  
pp. 50b-50
Author(s):  
J Holm ◽  
M Gamborg ◽  
S Gammeltoft ◽  
L Ward ◽  
B Heitmann ◽  
...  
Keyword(s):  
Weight Gain ◽  
Longitudinal Analysis

Leptin declines in two phases during weight loss: Longitudinal analysis in children

2005 ◽  
Vol 94 (0) ◽  
pp. 53a-53
Author(s):  
J Holm ◽  
M Gamborg ◽  
S Gammeltoft ◽  
L Ward ◽  
B Heitmann ◽  
...  
Keyword(s):  
Weight Loss ◽  
Longitudinal Analysis ◽  
Two Phases
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