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J Knee Surg. 2018 Jan;31(1):27-37. doi: 10.1055/s-0037-1608839. Epub 2017 Nov 22.

Difficult Cases in Robotic Arm-Assisted Total Knee Arthroplasty: A Case Series.

Author information

1
Department of Orthopaedic Surgery, Ortho Rhode Island, Wakefield, Rhode Island.
2
Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio.
3
Division of South County, Ortho Rhode Island, Wakefield, Rhode Island.
4
Department of Orthopaedic Surgery, Instituto Universitario del Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
5
Department of Orthopaedic Surgery, Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland.

Abstract

Sagittal deformity of the knee is commonly corrected to neutral biomechanical axis (±3 degrees) during total knee arthroplasty (TKA), which is a widely accepted goal. Recent advances in surgical technology have made it possible to accurately plan and fulfill these goals. One of these is robotic-assisted TKA, which has been noted to help increase accuracy and precision of restoring a neutral mechanical axis. While there are data confirming the ability of robotic devices to better correct knee alignment than the manual technique, there is a lack of data concerning the use of the robotic devices in more complex cases, such as those in patients with severe varus or valgus deformity, as well as in flexion contractures. Therefore, the purpose of this case study is to present three cases in which the robotic-assisted TKA device was used to correct a severe varus and severe valgus deformities. Based on this case series, it should be noted that the robotic device can also help correct severe varus/valgus deformities and flexion contractures.

PMID:
29166681
DOI:
10.1055/s-0037-1608839
[Indexed for MEDLINE]

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