Comparison of MRI T2 Relaxation Changes of Knee Articular Cartilage before and after Running between Young and Old Amateur Athletes
To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and after running. By using a 3.0-T MR imager, quantitative T2 maps of weight-bearing femoral and tibial articular cartilages in 10 younger and 10 older amat...
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| Published in | Korean journal of radiology Vol. 13; no. 5; pp. 594 - 601 |
|---|---|
| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Korea (South)
The Korean Society of Radiology
01.09.2012
대한영상의학회 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1229-6929 2005-8330 2005-8330 |
| DOI | 10.3348/kjr.2012.13.5.594 |
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| Abstract | To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and after running.
By using a 3.0-T MR imager, quantitative T2 maps of weight-bearing femoral and tibial articular cartilages in 10 younger and 10 older amateur athletes were acquired before, immediately after, and 2 hours after 30 minutes of running. Changes in global cartilage T2 signals of the medial and lateral condyles of the femur and tibia and regional cartilage T2 signals in the medial condyles of femoral and tibia in response to exercise were compared between the two age groups.
Changes in global cartilage T2 values after running did not differ significantly between the age groups. In terms of the depth variation, relatively higher T2 values in the older group than in the younger group were observed mainly in the superficial layers of the femoral and tibial cartilage (p < 0.05).
Age-related cartilage changes may occur mainly in the superficial layer of cartilage where collagen matrix degeneration is primarily initiated. However, no trend is observed regarding a global T2 changes between the younger and older age groups in response to exercise. |
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| AbstractList | Objective: To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and after running.
Materials and Methods: By using a 3.0-T MR imager, quantitative T2 maps of weight-bearing femoral and tibial articular cartilages in 10 younger and 10 older amateur athletes were acquired before, immediately after, and 2 hours after 30 minutes of running. Changes in global cartilage T2 signals of the medial and lateral condyles of the femur and tibia and regional cartilage T2 signals in the medial condyles of femoral and tibia in response to exercise were compared between the two age groups.
Results: Changes in global cartilage T2 values after running did not differ significantly between the age groups. In terms of the depth variation, relatively higher T2 values in the older group than in the younger group were observed mainly in the superficial layers of the femoral and tibial cartilage (p < 0.05).
Conclusion: Age-related cartilage changes may occur mainly in the superficial layer of cartilage where collagen matrix degeneration is primarily initiated. However, no trend is observed regarding a global T2 changes between the younger and older age groups in response to exercise. KCI Citation Count: 8 To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and after running. By using a 3.0-T MR imager, quantitative T2 maps of weight-bearing femoral and tibial articular cartilages in 10 younger and 10 older amateur athletes were acquired before, immediately after, and 2 hours after 30 minutes of running. Changes in global cartilage T2 signals of the medial and lateral condyles of the femur and tibia and regional cartilage T2 signals in the medial condyles of femoral and tibia in response to exercise were compared between the two age groups. Changes in global cartilage T2 values after running did not differ significantly between the age groups. In terms of the depth variation, relatively higher T2 values in the older group than in the younger group were observed mainly in the superficial layers of the femoral and tibial cartilage (p < 0.05). Age-related cartilage changes may occur mainly in the superficial layer of cartilage where collagen matrix degeneration is primarily initiated. However, no trend is observed regarding a global T2 changes between the younger and older age groups in response to exercise. To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and after running.OBJECTIVETo compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and after running.By using a 3.0-T MR imager, quantitative T2 maps of weight-bearing femoral and tibial articular cartilages in 10 younger and 10 older amateur athletes were acquired before, immediately after, and 2 hours after 30 minutes of running. Changes in global cartilage T2 signals of the medial and lateral condyles of the femur and tibia and regional cartilage T2 signals in the medial condyles of femoral and tibia in response to exercise were compared between the two age groups.MATERIALS AND METHODSBy using a 3.0-T MR imager, quantitative T2 maps of weight-bearing femoral and tibial articular cartilages in 10 younger and 10 older amateur athletes were acquired before, immediately after, and 2 hours after 30 minutes of running. Changes in global cartilage T2 signals of the medial and lateral condyles of the femur and tibia and regional cartilage T2 signals in the medial condyles of femoral and tibia in response to exercise were compared between the two age groups.Changes in global cartilage T2 values after running did not differ significantly between the age groups. In terms of the depth variation, relatively higher T2 values in the older group than in the younger group were observed mainly in the superficial layers of the femoral and tibial cartilage (p < 0.05).RESULTSChanges in global cartilage T2 values after running did not differ significantly between the age groups. In terms of the depth variation, relatively higher T2 values in the older group than in the younger group were observed mainly in the superficial layers of the femoral and tibial cartilage (p < 0.05).Age-related cartilage changes may occur mainly in the superficial layer of cartilage where collagen matrix degeneration is primarily initiated. However, no trend is observed regarding a global T2 changes between the younger and older age groups in response to exercise.CONCLUSIONAge-related cartilage changes may occur mainly in the superficial layer of cartilage where collagen matrix degeneration is primarily initiated. However, no trend is observed regarding a global T2 changes between the younger and older age groups in response to exercise. Objective To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and after running. Materials and Methods By using a 3.0-T MR imager, quantitative T2 maps of weight-bearing femoral and tibial articular cartilages in 10 younger and 10 older amateur athletes were acquired before, immediately after, and 2 hours after 30 minutes of running. Changes in global cartilage T2 signals of the medial and lateral condyles of the femur and tibia and regional cartilage T2 signals in the medial condyles of femoral and tibia in response to exercise were compared between the two age groups. Results Changes in global cartilage T2 values after running did not differ significantly between the age groups. In terms of the depth variation, relatively higher T2 values in the older group than in the younger group were observed mainly in the superficial layers of the femoral and tibial cartilage (p Conclusion Age-related cartilage changes may occur mainly in the superficial layer of cartilage where collagen matrix degeneration is primarily initiated. However, no trend is observed regarding a global T2 changes between the younger and older age groups in response to exercise. |
| Author | Kim, Yong Dai Han, Jong Kyu Jeon, Chan Hong Cha, Jang Gyu Lee, Jae Chul Lee, Eun Hye Kim, Hyun Joo |
| AuthorAffiliation | 3 Department of Radiology, Soonchunhyang University College of Medicine, Seoul Hospital, Seoul 140-743, Korea 6 Division of Rheumatology, Department of Internal Medicine, Soonchunhyang University College of Medicine, Bucheon Hospital, Bucheon 420-767, Korea 1 Department of Radiology, Soonchunhyang University College of Medicine, Bucheon Hospital, Bucheon 420-767, Korea 2 Department of Orthopedics, Soonchunhyang University College of Medicine, Seoul Hospital, Seoul 140-743, Korea 4 Department of Radiology, Soonchunhyang University College of Medicine, Cheonan Hospital, Cheonan 330-721, Korea 5 Department of Statistics, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea |
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| CitedBy_id | crossref_primary_10_1016_j_radi_2024_10_018 crossref_primary_10_3390_diagnostics12061391 crossref_primary_10_1016_j_knee_2019_07_011 crossref_primary_10_1259_bjr_20151075 crossref_primary_10_1002_jmri_27278 crossref_primary_10_1007_s00256_021_03943_0 crossref_primary_10_1055_s_0040_1718596 crossref_primary_10_1016_j_jbiomech_2017_01_017 crossref_primary_10_1038_s41598_020_58573_8 crossref_primary_10_1177_1759720X16670613 crossref_primary_10_2174_1874220301805010119 crossref_primary_10_2214_AJR_16_17244 crossref_primary_10_1016_j_joca_2018_01_012 crossref_primary_10_1111_sms_14613 crossref_primary_10_1007_s00256_022_04271_7 crossref_primary_10_1055_s_0044_1788608 crossref_primary_10_1002_tsm2_45 crossref_primary_10_1007_s40279_021_01533_7 crossref_primary_10_1038_s41598_020_64994_2 crossref_primary_10_1177_0363546516656180 crossref_primary_10_1177_1947603520924773 |
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| Snippet | To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and after... Objective To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and... Objective: To compare changes in T2 relaxation on magnetic resonance (MR) images of knee articular cartilage in younger and older amateur athletes before and... |
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| SubjectTerms | Age Age Factors Aging - physiology Arthritis Athletes Body mass index Cartilage Cartilage, Articular - physiology Confidence intervals Female Humans Knee Knee Joint - physiology Magnetic Resonance Imaging - methods Male Middle Aged Morphology Original Osteoarthritis Running - physiology Software Statistics, Nonparametric Values Weight-Bearing - physiology Young Adult 방사선과학 |
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| Title | Comparison of MRI T2 Relaxation Changes of Knee Articular Cartilage before and after Running between Young and Old Amateur Athletes |
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