• K J Koval, D Seligson, H Rosen, and K Fee.
• Department of Orthopaedic Surgery, Hospital for Joint Diseases, New York, New York 10003, USA.
• J Orthop Trauma. 1995 Jan 1; 9 (4): 285-91.

AbstractBetween March 1989 and August 1993, 16 distal femoral nonunions (16 patients) were treated using the supracondylar intramedullary nail. The time between the initial event and retrograde nailing averaged 33 months. The nonunion level was infraisthmal in four patients and supracondylar in 12. Operative technique involved retrograde insertion of a reamed supracondylar intramedullary nail through the intercondylar notch. Follow-up was available on all patients and averaged 20 months (range 9-46). Four nonunions (25%) united with a single surgery at an average of 17 months. A fifth nonunion united at 21 months after nail dynamization and subsequent nail breakage. The nonunions of two additional patients united after exchange of a broken retrograde nail. Additional surgical procedures were performed in six of the remaining nine patients in an attempt to gain union. At an average follow-up of 16 months (range 9-23), none of the nine had united. Nine nails fractured at an average of 11 months, all through a screw hole near the nonunion. Based on these results, we cannot recommend use of the supracondylar intramedullary nail in its present form for the treatment of distal femoral nonunions.

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