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Interobserver and intra-observer errors in obtaining visually selected anatomical landmarks during registration process in non-image-based navigation-assisted total knee arthroplasty.
J Arthroplasty. 2007 Dec; 22(8):1150-61.JA

Abstract

This study investigated the errors of obtaining visually selected anatomic landmarks for use in the registration process in a passive optical non-image-based computer-assisted total knee arthroplasty system in 5 fresh frozen cadavers. The projected maximum errors in the femoral mechanical axis (due to registration errors of the center of the distal femur) were 0.7 degrees in the coronal and 1.4 degrees in the sagittal plane. The projected maximum errors in the tibial mechanical axis arising from registration errors of the center of the proximal tibia were 1.3 degrees in the coronal and 2 degrees in the sagittal plane. The projected maximum errors in the transepicondylar axis were 9.1 degrees (registration errors of the medial femoral epicondyle) and 7.2 degrees (registration errors of the lateral femoral epicondyle). It should be noted that the results may be partly related to the use of the particular system in this experiment.

Authors+Show Affiliations

Department of Orthopaedic and Traumatology, Queen Mary Hospital, The University of Hong Kong, Pokfulam, Hong Kong.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

18078884

Citation

Yau, W P., et al. "Interobserver and Intra-observer Errors in Obtaining Visually Selected Anatomical Landmarks During Registration Process in Non-image-based Navigation-assisted Total Knee Arthroplasty." The Journal of Arthroplasty, vol. 22, no. 8, 2007, pp. 1150-61.
Yau WP, Leung A, Liu KG, et al. Interobserver and intra-observer errors in obtaining visually selected anatomical landmarks during registration process in non-image-based navigation-assisted total knee arthroplasty. J Arthroplasty. 2007;22(8):1150-61.
Yau, W. P., Leung, A., Liu, K. G., Yan, C. H., Wong, L. L., & Chiu, K. Y. (2007). Interobserver and intra-observer errors in obtaining visually selected anatomical landmarks during registration process in non-image-based navigation-assisted total knee arthroplasty. The Journal of Arthroplasty, 22(8), 1150-61.
Yau WP, et al. Interobserver and Intra-observer Errors in Obtaining Visually Selected Anatomical Landmarks During Registration Process in Non-image-based Navigation-assisted Total Knee Arthroplasty. J Arthroplasty. 2007;22(8):1150-61. PubMed PMID: 18078884.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Interobserver and intra-observer errors in obtaining visually selected anatomical landmarks during registration process in non-image-based navigation-assisted total knee arthroplasty. AU - Yau,W P, AU - Leung,Anthony, AU - Liu,K G, AU - Yan,C H, AU - Wong,Lisa L S, AU - Chiu,K Y, PY - 2006/01/22/received PY - 2006/10/07/accepted PY - 2007/12/15/pubmed PY - 2008/3/21/medline PY - 2007/12/15/entrez SP - 1150 EP - 61 JF - The Journal of arthroplasty JO - J Arthroplasty VL - 22 IS - 8 N2 - This study investigated the errors of obtaining visually selected anatomic landmarks for use in the registration process in a passive optical non-image-based computer-assisted total knee arthroplasty system in 5 fresh frozen cadavers. The projected maximum errors in the femoral mechanical axis (due to registration errors of the center of the distal femur) were 0.7 degrees in the coronal and 1.4 degrees in the sagittal plane. The projected maximum errors in the tibial mechanical axis arising from registration errors of the center of the proximal tibia were 1.3 degrees in the coronal and 2 degrees in the sagittal plane. The projected maximum errors in the transepicondylar axis were 9.1 degrees (registration errors of the medial femoral epicondyle) and 7.2 degrees (registration errors of the lateral femoral epicondyle). It should be noted that the results may be partly related to the use of the particular system in this experiment. SN - 0883-5403 UR - https://www.unboundmedicine.com/medline/citation/18078884/Interobserver_and_intra_observer_errors_in_obtaining_visually_selected_anatomical_landmarks_during_registration_process_in_non_image_based_navigation_assisted_total_knee_arthroplasty_ DB - PRIME DP - Unbound Medicine ER -