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The immediate effect of long-distance running on T2 and T2* relaxation times of articular cartilage of the knee in young healthy adults at 3.0 T MR imaging

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The immediate effect of long-distance running on T2 and T2* relaxation times of articular cartilage of the knee in young healthy adults at 3.0 T MR imaging. / Behzadi, Cyrus; Welsch, Götz H. ; Laqmani, Azien; Henes, Frank O; Kaul, Michael G; Schoen, Gerhard; Adam, Gerhard; Regier, Marc.

In: BRIT J RADIOL, Vol. 89, No. 1064, 08.2016, p. 20151075.

Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

Harvard

Behzadi, C, Welsch, GH, Laqmani, A, Henes, FO, Kaul, MG, Schoen, G, Adam, G & Regier, M 2016, 'The immediate effect of long-distance running on T2 and T2* relaxation times of articular cartilage of the knee in young healthy adults at 3.0 T MR imaging', BRIT J RADIOL, vol. 89, no. 1064, pp. 20151075. https://doi.org/10.1259/bjr.20151075

APA

Behzadi, C., Welsch, G. H., Laqmani, A., Henes, F. O., Kaul, M. G., Schoen, G., Adam, G., & Regier, M. (2016). The immediate effect of long-distance running on T2 and T2* relaxation times of articular cartilage of the knee in young healthy adults at 3.0 T MR imaging. BRIT J RADIOL, 89(1064), 20151075. https://doi.org/10.1259/bjr.20151075

Vancouver

Behzadi C, Welsch GH, Laqmani A, Henes FO, Kaul MG, Schoen G et al. The immediate effect of long-distance running on T2 and T2* relaxation times of articular cartilage of the knee in young healthy adults at 3.0 T MR imaging. BRIT J RADIOL. 2016 Aug;89(1064):20151075. https://doi.org/10.1259/bjr.20151075

Bibtex

@article{a63cfe42c4c949879af4e3d3e50159ac,
title = "The immediate effect of long-distance running on T2 and T2* relaxation times of articular cartilage of the knee in young healthy adults at 3.0 T MR imaging",
abstract = "OBJECTIVE: To quantitatively assess the immediate effect of long-distance running on T2 and T2* relaxation times of the articular cartilage of the knee at 3.0 T in young healthy adults.METHODS: 30 healthy male adults (18-31 years) who perform sports at an amateur level underwent an initial MRI at 3.0 T with T2 weighted [16 echo times (TEs): 9.7-154.6 ms] and T2* weighted (24 TEs: 4.6-53.6 ms) relaxation measurements. Thereafter, all participants performed a 45-min run. After the run, all individuals were immediately re-examined. Data sets were post-processed using dedicated software (ImageJ; National Institute of Health, Bethesda, MD). 22 regions of interest were manually drawn in segmented areas of the femoral, tibial and patellar cartilage. For statistical evaluation, Pearson product-moment correlation coefficients and confidence intervals were computed.RESULTS: Mean initial values were 35.7 ms for T2 and 25.1 ms for T2*. After the run, a significant decrease in the mean T2 and T2* relaxation times was observed for all segments in all participants. A mean decrease of relaxation time was observed for T2 with 4.6 ms (±3.6 ms) and for T2* with 3.6 ms (±5.1 ms) after running.CONCLUSION: A significant decrease could be observed in all cartilage segments for both biomarkers. Both quantitative techniques, T2 and T2*, seem to be valuable parameters in the evaluation of immediate changes in the cartilage ultrastructure after running.ADVANCES IN KNOWLEDGE: This is the first direct comparison of immediate changes in T2 and T2* relaxation times after running in healthy adults.",
author = "Cyrus Behzadi and Welsch, {G{\"o}tz H.} and Azien Laqmani and Henes, {Frank O} and Kaul, {Michael G} and Gerhard Schoen and Gerhard Adam and Marc Regier",
year = "2016",
month = aug,
doi = "10.1259/bjr.20151075",
language = "English",
volume = "89",
pages = "20151075",
journal = "BRIT J RADIOL",
issn = "0007-1285",
publisher = "British Institute of Radiology",
number = "1064",

}

RIS

TY - JOUR

T1 - The immediate effect of long-distance running on T2 and T2* relaxation times of articular cartilage of the knee in young healthy adults at 3.0 T MR imaging

AU - Behzadi, Cyrus

AU - Welsch, Götz H.

AU - Laqmani, Azien

AU - Henes, Frank O

AU - Kaul, Michael G

AU - Schoen, Gerhard

AU - Adam, Gerhard

AU - Regier, Marc

PY - 2016/8

Y1 - 2016/8

N2 - OBJECTIVE: To quantitatively assess the immediate effect of long-distance running on T2 and T2* relaxation times of the articular cartilage of the knee at 3.0 T in young healthy adults.METHODS: 30 healthy male adults (18-31 years) who perform sports at an amateur level underwent an initial MRI at 3.0 T with T2 weighted [16 echo times (TEs): 9.7-154.6 ms] and T2* weighted (24 TEs: 4.6-53.6 ms) relaxation measurements. Thereafter, all participants performed a 45-min run. After the run, all individuals were immediately re-examined. Data sets were post-processed using dedicated software (ImageJ; National Institute of Health, Bethesda, MD). 22 regions of interest were manually drawn in segmented areas of the femoral, tibial and patellar cartilage. For statistical evaluation, Pearson product-moment correlation coefficients and confidence intervals were computed.RESULTS: Mean initial values were 35.7 ms for T2 and 25.1 ms for T2*. After the run, a significant decrease in the mean T2 and T2* relaxation times was observed for all segments in all participants. A mean decrease of relaxation time was observed for T2 with 4.6 ms (±3.6 ms) and for T2* with 3.6 ms (±5.1 ms) after running.CONCLUSION: A significant decrease could be observed in all cartilage segments for both biomarkers. Both quantitative techniques, T2 and T2*, seem to be valuable parameters in the evaluation of immediate changes in the cartilage ultrastructure after running.ADVANCES IN KNOWLEDGE: This is the first direct comparison of immediate changes in T2 and T2* relaxation times after running in healthy adults.

AB - OBJECTIVE: To quantitatively assess the immediate effect of long-distance running on T2 and T2* relaxation times of the articular cartilage of the knee at 3.0 T in young healthy adults.METHODS: 30 healthy male adults (18-31 years) who perform sports at an amateur level underwent an initial MRI at 3.0 T with T2 weighted [16 echo times (TEs): 9.7-154.6 ms] and T2* weighted (24 TEs: 4.6-53.6 ms) relaxation measurements. Thereafter, all participants performed a 45-min run. After the run, all individuals were immediately re-examined. Data sets were post-processed using dedicated software (ImageJ; National Institute of Health, Bethesda, MD). 22 regions of interest were manually drawn in segmented areas of the femoral, tibial and patellar cartilage. For statistical evaluation, Pearson product-moment correlation coefficients and confidence intervals were computed.RESULTS: Mean initial values were 35.7 ms for T2 and 25.1 ms for T2*. After the run, a significant decrease in the mean T2 and T2* relaxation times was observed for all segments in all participants. A mean decrease of relaxation time was observed for T2 with 4.6 ms (±3.6 ms) and for T2* with 3.6 ms (±5.1 ms) after running.CONCLUSION: A significant decrease could be observed in all cartilage segments for both biomarkers. Both quantitative techniques, T2 and T2*, seem to be valuable parameters in the evaluation of immediate changes in the cartilage ultrastructure after running.ADVANCES IN KNOWLEDGE: This is the first direct comparison of immediate changes in T2 and T2* relaxation times after running in healthy adults.

U2 - 10.1259/bjr.20151075

DO - 10.1259/bjr.20151075

M3 - SCORING: Journal article

C2 - 27336705

VL - 89

SP - 20151075

JO - BRIT J RADIOL

JF - BRIT J RADIOL

SN - 0007-1285

IS - 1064

ER -