An original arthroscopic fixation of adult's tibial eminence fractures using the Tightrope® device: A report of 8 cases and review of literature

PurposeThe objective of this study is to asset the efficiency of the use of the Tightrope® device to treat isolated tibial spine fractures in adults.MethodsAll patients treated for isolated tibial spine fracture between November 2007 and February 2011 have been retrospectively included. The main judgment criteria was the post-operative knee laxity measured by Rolimeter® (Aircast) and the secondary criteria were the IKDC scores, the knee mobility, the Lachman test and the bone union. 8 patients have been included. The mean age was 34.2 years (± 12.5). The classification of Meyers and McKeever identified 5 types II, 2 types IIIa and 1 type IIIb. The mean follow-up period was 10 months.ResultsThe mean post-operative anterior knee laxity was 6 ± 2.14 mm for the operated side and 5.6 ± 1.85 mm for the opposite side. No significant difference was found (P = 0.73). According to the IKDC classification 3 patients were normal (A), 2 were nearly normal (B), 1 was abnormal (C) and 1 was very abnormal (D). The mean IKDC subjective score was 70.71 ± 17.56. All 8 fractures achieved union without elevation. 3 patients developed motion complications and 2 required an arthroscopic arthrolysis. No other significant complication was noted. The outcome was compared to the different series published during the last 10 years.ConclusionThe use of the Tightrope® device is a simple technique occurring a rigid fixation, allowing early rehabilitation with a high rate of arthrofibrosis.Level of evidenceLevel IV, case series.