Modern retrograde intramedullary nails versus periarticular

J Arthroplasty · Jul 2014

Modern retrograde intramedullary nails versus periarticular locked plates for supracondylar femur fractures after total knee arthroplasty.

This study purpose is to analyze outcomes of modern intramedullary (IM) nails with a locked distal screw versus periarticular locking plates for peri-prosthetic supracondylar femur fractures in TKA. Ninety-five consecutive fractures in 91 patients were retrospectively reviewed. Fixation included 29 knees with a retrograde IM nail and 66 periarticular locked plates. ⋯ There were 2 (9%) nonunions in the IM nail group and 12 non-unions/delayed-unions (19%) in the locked plate group (P = 0.34). A mean of 5.0 distal screws was used in locked plates versus 3.8 distal screws in the IM nails (P < 0.001). Despite a greater quantity of screws in the distal fragment, the failure rate of locked plating was twice that of IM nail fixation.

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- R Michael Meneghini, Brian J Keyes, Kartheek K Reddy, and Dean C Maar.
- Department of Orthopaedic Surgery Indiana University School of Medicine, Indianapolis, Indiana.
- J Arthroplasty. 2014 Jul 1; 29 (7): 1478-81.
AbstractThis study purpose is to analyze outcomes of modern intramedullary (IM) nails with a locked distal screw versus periarticular locking plates for peri-prosthetic supracondylar femur fractures in TKA. Ninety-five consecutive fractures in 91 patients were retrospectively reviewed. Fixation included 29 knees with a retrograde IM nail and 66 periarticular locked plates. Six patients died and 4 were lost to follow-up. There were 2 (9%) nonunions in the IM nail group and 12 non-unions/delayed-unions (19%) in the locked plate group (P = 0.34). A mean of 5.0 distal screws was used in locked plates versus 3.8 distal screws in the IM nails (P < 0.001). Despite a greater quantity of screws in the distal fragment, the failure rate of locked plating was twice that of IM nail fixation.Copyright © 2014 Elsevier Inc. All rights reserved.

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Modern retrograde intramedullary nails versus periarticular locked plates for supracondylar femur fractures after total knee arthroplasty.

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