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International Orthopaedics

, Volume 42, Issue 6, pp 1363–1369 | Cite as

Management of a type two avulsion fracture of the tibial intercondylar eminence in children: arthroscopic suture fixation versus conservative immobilization+

  • Chen Zhao
  • Qing Bi
  • Mingguang Bi
Original Paper
  • 168 Downloads

Abstract

Background

Treatment of a type II tibial eminence avulsion fracture was controversial. The aim of this study was to compare the clinical outcomes of a modified arthroscopic suture fixation versus conservative immobilization in treatment of this type fracture in immature population.

Methods

A total of 43 type II avulsion fractures of tibial intercondylar eminence in immature patients were retrospectively enrolled in the study. Twenty-two (13 males, 9 females) were treated with arthroscopic suture fixation and 21(12 males, 9 females) with conservative cast immobilization. Radiograph, Lachman test, anterior drawer test (ADT), International Knee Documentation Committee (IKDC) 2000 subjective score, and Lysholm score were used to evaluate clinical outcomes in follow-up.

Result

All 43 paediatric or adolescent patients with a mean of 11.3 years (range, 8–16 years) were followed up for a median period of 34.5 months (range, 24–46 months). Radiographic evaluation showed optimal reduction immediately after surgery and bone union within three months. At the final follow-up, no limitation of knee motion range was found in any children. Grade II laxity was found in one case from surgical group and six from conservation group, showing significant difference based on ADT (χ2 = 7.927, P = 0.005) and Lachman tests (χ2 = 9.546, P = 0.002). IKDC and Lysholm scores were significantly improved; however, there were significant differences in the IKDC score (91.7 ± 4.34 vs. 84.7 ± 6.11, t = 4.35, P < 0.001) and Lysholm score (93.4 ± 4.04 vs. 87.1 ± 5.24, t = 4.53, P < 0.001), and the improvement of IKDC value (40.2 ± 7.83 vs. 31.4 ± 8.4, t = 3.57, P = 0.001) and Lysholm value (43.8 ± 6.55 vs. 35.4 ± 5.97, t = 4.36, P < 0.001) between the surgical group and the nonsurgical group.

Conclusion

In treatment of type II tibial eminence avulsion fracture, a modified, 8 shape suture fixation under arthroscopy showed superior clinical outcomes than nonsurgical immobilization in term of restoring the laxity of paediatric ACL.

Keywords

Tibial intercondylar eminence Avulsion fracture Paediatric 

Notes

Acknowledgements

We express our sincere gratitude to Professor Hangfeng Gu who help us during the writing and made the completion of this work possible. In addition, we also want thank all the patients who agreed to participate in this study, who made the completion of this work possible.

Funding information

This study was supported by grants from General Project of Science Technology Department of Zhejiang Province (2017C37134).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

Informed consent

Informed consent was obtained from all individual participants included in the study.

Ethical approval

All procedures involving human participants in this study were performed in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

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Copyright information

© SICOT aisbl 2018

Authors and Affiliations

  1. 1.Department of Orthopaedic SurgeryZhejiang Provincial People’s Hospital & People’s Hospital of Hangzhou Medical CollegeHangzhouChina

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