Abstract
Background: Tension band wiring (TBW) has traditionally been used for simple olecranon fractures, but due to its many complications, locking plate (LP) is increasingly being employed. To reduce the complications, we developed a modified technique for olecranon fracture repair, locked TBW (LTBW). The study aimed to compare (1) the frequency of complications and re-operations between LP and LTBW techniques, (2) clinical outcomes and the cost efficacy. Methods: We retrospectively evaluated data of 336 patients who underwent surgical treatment for simple and displaced olecranon fractures (Mayo Type ⅡA) in the hospitals of a trauma research group. We excluded open fractures and polytrauma. We investigated complication and re-operation rates as primary outcomes. As secondary outcomes, Mayo Elbow Performance Index (MEPI) and the total cost, including surgery, outpatients and re-operation, were examined between the two groups. Results: We identified 34 patients in the LP group and 29 patients in the LTBW group. The mean follow-up period was 14.2 ± 3.9 months. The complication rate in the LTBW group was comparable to that in the LP group (10.3% vs. 17.6%; p = 0.49). Re-operation and removal rates were not significantly different between the groups (6.9% vs. 8.8%; p = 1.000 and 41.4% vs. 58.8%; p = 1.00, respectively). Mean MEPI at 3 months was significantly lower in the LTBW group (69.7 vs. 82.6; p < 0.01), but mean MEPI at 6 and 12 months were not significantly different (90.6 vs. 85.2; p = 0.06, 93.9 vs. 95.2; p = 0.51, respectively). The mean cost/patient of the total cost in the LTBW group were significantly lower than those in the LP group ($5,249 vs. $6,138; p < 0.001). Conclusions: This study showed that LTBW achieved clinical outcomes equivalent to those of LP and was significantly more cost effective than LP in the retrospective cohort. Level of Evidence: Level III (Therapeutic).
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