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Similar outcomes seen for distal femur fractures treated with LCP vs LISS plating techniques

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Investigators of this study found open and closed distal femur fractures treated with either a less invasive stabilization system plating technique or a locked compression plating technique had similar postoperative infection and nonunion rates.

“We initiated the study as some surgeons felt that [locking compression plate] LCP or [less invasive stabilization system] LISS plate had better outcomes with distal femur fractures,” William T. Obremskey, MD, told Orthopedics Today. We reviewed greater than 300 distal femur fractures from five different institutions and found no difference in failure or infection rate[s] related to the type of plate that was used.”

William T. Obremskey

Obremskey and colleagues performed a multicenter, retrospective chart review and identified 339 distal femoral fractures. Fractures were treated with either a LISS plate (n=185) or a LCP (n=154). Investigators looked at medical records and postoperative radiographic studies to confirm patients underwent surgery for the distal femur and were followed at least 6 months postoperatively. Postoperative infection and nonunion/reoperation for both plating techniques were compared.

Results from multivariate analysis showed the only risk factors for nonunion were open fracture and infection, regardless of the plate used. Investigators found no different with regard to infection type, failure type or nonunion for either plate type.

“Surprisingly we did find a nonunion rate of 15% in closed fractures and nearly 33% in open fractures,” Obremskey said. “These data are also consistent with another recent review of a large number of these fractures by Ricci and colleagues. Surgeons can use this information to counsel patients on the high risk associated with this injury and the potential need for further surgery.” ‒ by Monica Jaramillo

Reference:

Molina CS, et al. J Orthop Trauma. 2016;doi:10.1097/BOT.0000000000000507.

Disclosure: Obremskey reports no relevant financial disclosures.