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Articular cartilage of the knee 3 years after ACL reconstruction.

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  • معلومة اضافية
    • NAICS/Industry Codes:
      621512 Diagnostic Imaging Centers
    • Abstract:
      Background and purpose —T1ρ or T2 relaxation imaging has been increasingly used to evaluate the cartilage of the knee. We investigated the cartilage of ACL-reconstructed knees 3 years after surgery using T2 relaxation times. Patients and methods —10 patients with a clinically successful unilateral ACL reconstruction were examined 3 years after surgery. Multiple-TE fast-spin echo sagittal images of both knees were acquired using a 3T MRI scanner for T2 mapping of the tibiofemoral cartilage. T2 values of the superficial and deep zones of the tibiofemoral cartilage were analyzed in sub-compartmental areas and compared between the ACL-reconstructed and uninjured contralateral knees. Results —Higher T2 values were observed in 1 or more sub-compartmental areas of each ACL-reconstructed knee compared to the uninjured contralateral side. Most of the T2 increases were observed at the superficial zones of the cartilage, especially at the medial compartment. At the medial compartment of the ACL-reconstructed knee, the T2 values of the femoral and tibial cartilage were increased by 3–81% compared to the uninjured contralateral side, at the superficial zones of the weight-bearing areas. T2 values in the superficial zone of the central medial femoral condyle differed between the 2 groups (p = 0.002). Interpretation —The articular cartilage of ACL-reconstructed knees, although clinically satisfactory, had higher T2 values in the superficial zone of the central medial femoral condyle than in the uninjured contralateral side 3 years after surgery. Further studies are warranted to determine whether these patients would undergo cartilage degeneration over time. [ABSTRACT FROM PUBLISHER]
    • Abstract:
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    • Author Affiliations:
      1Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston
      2Department of Orthopaedic Surgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea
      3Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge
      4Division of Musculoskeletal Imaging and Intervention, Massachusetts General Hospital and Harvard Medical School, Boston
      5Harvard Medical School, Boston, MA, USA
    • Full Text Word Count:
      4113
    • ISSN:
      1745-3674
    • Accession Number:
      10.3109/17453674.2015.1039426
    • Accession Number:
      109420739
  • Citations
    • ABNT:
      BAE, J.-H. et al. Articular cartilage of the knee 3 years after ACL reconstruction. Acta Orthopaedica, [s. l.], v. 86, n. 5, p. 605–610, 2015. DOI 10.3109/17453674.2015.1039426. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=asn&AN=109420739&custid=s8280428. Acesso em: 1 abr. 2020.
    • AMA:
      Bae J-H, Hosseini A, Wang Y, et al. Articular cartilage of the knee 3 years after ACL reconstruction. Acta Orthopaedica. 2015;86(5):605-610. doi:10.3109/17453674.2015.1039426.
    • APA:
      Bae, J.-H., Hosseini, A., Wang, Y., Torriani, M., Gill, T. J., Grodzinsky, A. J., & Li, G. (2015). Articular cartilage of the knee 3 years after ACL reconstruction. Acta Orthopaedica, 86(5), 605–610. https://doi.org/10.3109/17453674.2015.1039426
    • Chicago/Turabian: Author-Date:
      Bae, Ji-Hoon, Ali Hosseini, Yang Wang, Martin Torriani, Thomas J Gill, Alan J Grodzinsky, and Guoan Li. 2015. “Articular Cartilage of the Knee 3 Years after ACL Reconstruction.” Acta Orthopaedica 86 (5): 605–10. doi:10.3109/17453674.2015.1039426.
    • Harvard:
      Bae, J.-H. et al. (2015) ‘Articular cartilage of the knee 3 years after ACL reconstruction’, Acta Orthopaedica, 86(5), pp. 605–610. doi: 10.3109/17453674.2015.1039426.
    • Harvard: Australian:
      Bae, J-H, Hosseini, A, Wang, Y, Torriani, M, Gill, TJ, Grodzinsky, AJ & Li, G 2015, ‘Articular cartilage of the knee 3 years after ACL reconstruction’, Acta Orthopaedica, vol. 86, no. 5, pp. 605–610, viewed 1 April 2020, .
    • MLA:
      Bae, Ji-Hoon, et al. “Articular Cartilage of the Knee 3 Years after ACL Reconstruction.” Acta Orthopaedica, vol. 86, no. 5, Oct. 2015, pp. 605–610. EBSCOhost, doi:10.3109/17453674.2015.1039426.
    • Chicago/Turabian: Humanities:
      Bae, Ji-Hoon, Ali Hosseini, Yang Wang, Martin Torriani, Thomas J Gill, Alan J Grodzinsky, and Guoan Li. “Articular Cartilage of the Knee 3 Years after ACL Reconstruction.” Acta Orthopaedica 86, no. 5 (October 2015): 605–10. doi:10.3109/17453674.2015.1039426.
    • Vancouver/ICMJE:
      Bae J-H, Hosseini A, Wang Y, Torriani M, Gill TJ, Grodzinsky AJ, et al. Articular cartilage of the knee 3 years after ACL reconstruction. Acta Orthopaedica [Internet]. 2015 Oct [cited 2020 Apr 1];86(5):605–10. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=asn&AN=109420739&custid=s8280428