Total Knee Arthroplasty in Patients with Retention of Prior Hardware Material: What is the Outcome?

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Manrique Jorge; Rasouli Mohammad R.; Restrepo Camilo; Maltenfort Mitchell G.; Beri Jonathan; Oliver Jeffrey; Patel Raj; PARVIZI JAVAD

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Journal Paper

Paper Information

Journal: Archives of Bone and Joint Surgery Year:2018 | Volume:6 | Issue:1 Page(s): 23-26

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Title

Total Knee Arthroplasty in Patients with Retention of Prior Hardware Material: What is the Outcome?

Author(s)

Keywords

Arthroplasty

Implant-related infection

Internal fixation of fracture

Knee

Perioperative complication

Replacement

Abstract

Background: There is an information gap in literature regarding postoperative outcome of total Knee Arthroplasty (TKA) in patients with hardware in-situ from the previous Knee surgery. The present study aims to evaluate impact of retained hardware on short-term outcome of TKA patients. Methods: Perioperative radiographs of patients who had undergone TKA between 2007 and 2012 were reviewed and patients in whom partial or complete retention of hardware was evident after TKA were included. These patients were matched in 1 to 2 ratio based on age (+/-2 years), gender, surgeon and year of surgery to a group of patients that underwent primary TKA without hardware in the affected Knee. The average follow up of these patients was 43. 45 (range 12-155. 2) months. Complication rates were compared between the two groups using statistical tests that took into account the matched data structure. Results: We included a total of 55 cases and 110 controls. The incidence of complications was higher, although not all statistically significant, in the case group. Only mechanical complications were significantly different in the cases group (5. 5% versus 0%, P=0. 01). Time to event analysis using the mixed-effects Cox model didn’ t show a statistically significant difference between two groups for various outcomes. Conclusion: Presence of retained hardware around the Knee may predispose the patient to a higher rate of complications particularly mechanical complications of the implant after TKA. Further studies are required to investigate impact of retained hardware around the Knee in patients undergoing TKA.

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APA: Copy

Manrique, Jorge, Rasouli, Mohammad R., Restrepo, Camilo, Maltenfort, Mitchell G., Beri, Jonathan, Oliver, Jeffrey, Patel, Raj, & PARVIZI, JAVAD. (2018). Total Knee Arthroplasty in Patients with Retention of Prior Hardware Material: What is the Outcome?. THE ARCHIVES OF BONE AND JOINT SURGERY, 6(1), 23-26. SID. https://sid.ir/paper/350096/en

Vancouver: Copy

Manrique Jorge, Rasouli Mohammad R., Restrepo Camilo, Maltenfort Mitchell G., Beri Jonathan, Oliver Jeffrey, Patel Raj, PARVIZI JAVAD. Total Knee Arthroplasty in Patients with Retention of Prior Hardware Material: What is the Outcome?. THE ARCHIVES OF BONE AND JOINT SURGERY[Internet]. 2018;6(1):23-26. Available from: https://sid.ir/paper/350096/en

IEEE: Copy

Jorge Manrique, Mohammad R. Rasouli, Camilo Restrepo, Mitchell G. Maltenfort, Jonathan Beri, Jeffrey Oliver, Raj Patel, and JAVAD PARVIZI, “Total Knee Arthroplasty in Patients with Retention of Prior Hardware Material: What is the Outcome?,” THE ARCHIVES OF BONE AND JOINT SURGERY, vol. 6, no. 1, pp. 23–26, 2018, [Online]. Available: https://sid.ir/paper/350096/en

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