Knee articular cartilage damage in osteoarthritis: Analysis of MR image biomarker reproducibility in ACRIN-PA 4001 multicenter trial

Timothy J. Mosher, Zheng Zhang, Ravinder Reddy, Sanaa Boudhar, Barton N. Milestone, William B. Morrison, Chian K Kwoh, Eckstein Felix, Walter R T Witschey, Arijitt Borthakur

Research output: Contribution to journalArticle

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Abstract

Purpose: To prospectively determine the reproducibility of quantitative magnetic resonance (MR) imaging biomarkers of the morphology and composition (spin lattice relaxation time in rotating frame [T1-ρ], T2) of knee cartilage in a multicenter multivendor trial involving patients with osteoarthritis (OA) and asymptomatic control subjects. Materials and Methods: This study was HIPAA compliant and approved by the institutional review committees of the participating sites, with written informed consent obtained from all participants. Fifty subjects from five sites who were deemed to have normal knee joints (n = 18), mild OA (n = 16), or moderate OA (n = 16) on the basis of Kellgren-Lawrence scores were enrolled. Each participant underwent four sequential 3-T knee MR imaging examinations with use of the same imager and with 2-63 days (median, 18 days) separating the first and last examinations. Water-excited three-dimensional T1-weighted gradient-echo imaging, T1-ρ imaging, and T2 mapping of cartilage in the axial and coronal planes were performed. Biomarker reproducibility was determined by using intraclass correlation coefficients (ICCs) and root-mean-square coefficients of variation (RMS CVs, expressed as percentages). Results: Morphometric biomarkers had high reproducibility, with ICCs of 0.989 or greater and RMS CVs lower than 4%. The largest differences between the healthy subjects and the patients with radiographically detected knee OA were those in T1-ρ values, but precision errors were relatively large. Reproducibility of T1-ρ values was higher in the thicker patellar cartilage (ICC range, 0.86-0.93; RMS CV range, 14%-18%) than in the femorotibial joints (ICC range, 0.20-0.84; RMS CV range, 7%-19%). Good to high reproducibility of T2 was observed, with ICCs ranging from 0.61 to 0.98 and RMS CVs ranging from 4% to 14%. Conclusion: MR imaging measurements of cartilage morphology, T2, and patellar T1-ρ demonstrated moderate to excellent reproducibility in a clinical trial network.

Original languageEnglish (US)
Pages (from-to)832-842
Number of pages11
JournalRadiology
Volume258
Issue number3
DOIs
StatePublished - Mar 2011
Externally publishedYes

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Articular Cartilage
Osteoarthritis
Multicenter Studies
Cartilage
Knee
Magnetic Resonance Spectroscopy
Biomarkers
Magnetic Resonance Imaging
Health Insurance Portability and Accountability Act
Knee Osteoarthritis
Advisory Committees
Knee Joint
Informed Consent
Healthy Volunteers
Joints
Clinical Trials
Water

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Mosher, T. J., Zhang, Z., Reddy, R., Boudhar, S., Milestone, B. N., Morrison, W. B., ... Borthakur, A. (2011). Knee articular cartilage damage in osteoarthritis: Analysis of MR image biomarker reproducibility in ACRIN-PA 4001 multicenter trial. Radiology, 258(3), 832-842. https://doi.org/10.1148/radiol.10101174

Knee articular cartilage damage in osteoarthritis : Analysis of MR image biomarker reproducibility in ACRIN-PA 4001 multicenter trial. / Mosher, Timothy J.; Zhang, Zheng; Reddy, Ravinder; Boudhar, Sanaa; Milestone, Barton N.; Morrison, William B.; Kwoh, Chian K; Felix, Eckstein; Witschey, Walter R T; Borthakur, Arijitt.

In: Radiology, Vol. 258, No. 3, 03.2011, p. 832-842.

Research output: Contribution to journalArticle

Mosher, TJ, Zhang, Z, Reddy, R, Boudhar, S, Milestone, BN, Morrison, WB, Kwoh, CK, Felix, E, Witschey, WRT & Borthakur, A 2011, 'Knee articular cartilage damage in osteoarthritis: Analysis of MR image biomarker reproducibility in ACRIN-PA 4001 multicenter trial', Radiology, vol. 258, no. 3, pp. 832-842. https://doi.org/10.1148/radiol.10101174
Mosher, Timothy J. ; Zhang, Zheng ; Reddy, Ravinder ; Boudhar, Sanaa ; Milestone, Barton N. ; Morrison, William B. ; Kwoh, Chian K ; Felix, Eckstein ; Witschey, Walter R T ; Borthakur, Arijitt. / Knee articular cartilage damage in osteoarthritis : Analysis of MR image biomarker reproducibility in ACRIN-PA 4001 multicenter trial. In: Radiology. 2011 ; Vol. 258, No. 3. pp. 832-842.
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abstract = "Purpose: To prospectively determine the reproducibility of quantitative magnetic resonance (MR) imaging biomarkers of the morphology and composition (spin lattice relaxation time in rotating frame [T1-ρ], T2) of knee cartilage in a multicenter multivendor trial involving patients with osteoarthritis (OA) and asymptomatic control subjects. Materials and Methods: This study was HIPAA compliant and approved by the institutional review committees of the participating sites, with written informed consent obtained from all participants. Fifty subjects from five sites who were deemed to have normal knee joints (n = 18), mild OA (n = 16), or moderate OA (n = 16) on the basis of Kellgren-Lawrence scores were enrolled. Each participant underwent four sequential 3-T knee MR imaging examinations with use of the same imager and with 2-63 days (median, 18 days) separating the first and last examinations. Water-excited three-dimensional T1-weighted gradient-echo imaging, T1-ρ imaging, and T2 mapping of cartilage in the axial and coronal planes were performed. Biomarker reproducibility was determined by using intraclass correlation coefficients (ICCs) and root-mean-square coefficients of variation (RMS CVs, expressed as percentages). Results: Morphometric biomarkers had high reproducibility, with ICCs of 0.989 or greater and RMS CVs lower than 4{\%}. The largest differences between the healthy subjects and the patients with radiographically detected knee OA were those in T1-ρ values, but precision errors were relatively large. Reproducibility of T1-ρ values was higher in the thicker patellar cartilage (ICC range, 0.86-0.93; RMS CV range, 14{\%}-18{\%}) than in the femorotibial joints (ICC range, 0.20-0.84; RMS CV range, 7{\%}-19{\%}). Good to high reproducibility of T2 was observed, with ICCs ranging from 0.61 to 0.98 and RMS CVs ranging from 4{\%} to 14{\%}. Conclusion: MR imaging measurements of cartilage morphology, T2, and patellar T1-ρ demonstrated moderate to excellent reproducibility in a clinical trial network.",
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AU - Reddy, Ravinder

AU - Boudhar, Sanaa

AU - Milestone, Barton N.

AU - Morrison, William B.

AU - Kwoh, Chian K

AU - Felix, Eckstein

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AU - Borthakur, Arijitt

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