Total knee arthroplasty with patient-specific instruments improves function and restores limb alignment in patients with extra-articular deformity

Thienpont, Emmanuel; Paternostre, Frederic; Pietsch, M.; Hafez, Mahmoud A.; Howell, Stephen M.

doi:10.1016/j.knee.2013.07.001

Cited by 59 publications

(53 citation statements)

References 29 publications

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“…PSCB are recommended for complex cases, particularly in patients with an extra-articular malunion [44]. In a multicenter study with this patient population, the function and range of motion improved and the mechanical axis was corrected (post-operative HKA=179.3°±1.3°) [44].…”

Section: Discussionmentioning

confidence: 83%

Evaluation of the accuracy of patient-specific cutting blocks for total knee arthroplasty: a meta-analysis

Cavaignac

Pailhé

Laumond

et al. 2014

International Orthopaedics (SICOT)

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Section: Discussionmentioning

confidence: 83%

Evaluation of the accuracy of patient-specific cutting blocks for total knee arthroplasty: a meta-analysis

Cavaignac

Pailhé

Laumond

et al. 2014

International Orthopaedics (SICOT)

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“…Using an extramedullary guide or a short intramedullary guide may avoid this problem. Computer-assisted navigation or patient-specific instrument enable calculation of the mechanical axis pre-or intra-operatively, 12,[14][15][16] but is complex and costly.…”

Section: Discussionmentioning

confidence: 99%

Total Knee Arthroplasty with Extra- or Intra-Articular Correction Technique for Arthritic Knees with Extra-Articular Deformity of the Femur or Tibia: A Report of Three Cases

Rattanaprichavej

Laoruengthana

2016

J Orthop Surg (Hong Kong)

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This study reports 3 patients who underwent total knee arthroplasty combined with extra-or intraarticular correction technique for arthritic knees with extra-articular deformity of the femur or tibia.Key words : arthroplasty, replacement, knee; fractures, ununited introduction It is difficult to obtain optimal mechanical alignment through total knee arthroplasty (TKA) in patients with knee deformity, because the deformity (canal sclerosis, crooked canal, or retained hardware) may prevent the use of an intramedullary guide. Distortion of an anatomic landmark secondary to a previous trauma or treatment can make TKA more challenging and the outcome less satisfactory.1,2 The deformity can be corrected using an intra-or extra-articular Total knee arthroplasty with extra-or intraarticular correction technique for arthritic knees with extra-articular deformity of the femur or tibia: a report of three cases Piti Rattanaprichavej, Artit Laoruengthana Naresuan University, Thailand Address correspondence and reprint requests to: Piti Rattanaprichavej, Naresuan University, Thailand. Email: pt-rp@hotmail.com Surgery 2016;24(1):116-20 correction technique with a conventional instrument, computer-assisted navigation system, or patientspecific instrument. This study reports 3 patients who underwent TKA combined with extra-or intraarticular correction technique for arthritic knees with extra-articular deformity of the femur or tibia. Journal of Orthopaedic case reportsA single surgeon performed all 3 TKAs under spinal anaesthesia with a femoral nerve block through the median parapatellar approach using conventional instruments and a fixed bearing, posterior-stabilised prosthesis. Preoperative planning was performed to determine the corrective osteotomy, cutting line so as not to endanger the collateral ligament attachment, amount of bone lost, and need for expanding stems or augments. Intra-operatively, prosthesis orientation, lower-limb alignment, and soft-tissue balance were checked using fluoroscopy. Postoperatively, standing radiograph of the knee was obtained at 1, 3, 6, and 12 months. Knee Society knee and function scores were assessed. The mean follow-up duration was 35 Vol. 24 No. 1, April 2016 TKA with extra-or intra-articular correction technique for deformity of the femur or tibia 117 (range, 29-39) months.

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“…There were 43 left knees and 47 right knees. The diagnosis No patient had extra-articular deformity in the tibia or the femur [35].…”

Section: Methodsmentioning

confidence: 99%

Comparison between patient-specific instruments and conventional instruments and computer navigation in total knee arthroplasty: a randomized controlled trial

Yan

Chiu

et al. 2014

Knee Surg Sports Traumatol Arthrosc

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Total knee arthroplasty with patient-specific instruments improves function and restores limb alignment in patients with extra-articular deformity

Cited by 59 publications

References 29 publications

Evaluation of the accuracy of patient-specific cutting blocks for total knee arthroplasty: a meta-analysis

Evaluation of the accuracy of patient-specific cutting blocks for total knee arthroplasty: a meta-analysis

Total Knee Arthroplasty with Extra- or Intra-Articular Correction Technique for Arthritic Knees with Extra-Articular Deformity of the Femur or Tibia: A Report of Three Cases

Comparison between patient-specific instruments and conventional instruments and computer navigation in total knee arthroplasty: a randomized controlled trial

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