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Treatment of typical trampoline fracture of the proximal tibia in children: results of minimum 1 year follow-up

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Abstract

Purpose

To evaluate the results of trampoline fracture of the proximal tibia treated with either external fixator or conservative management at a minimum 1-year follow-up.

Methods

A retrospective review was performed on 22 children who between January 2005 and November 2013 presented with proximal metaphyseal fracture due to trampoline injury. Proximal metaphyseal fractures in 22 pediatric patients were clinically and radiologically evaluated. Of 22 subjects, 9 were male, 13 were female, and mean age was 4.2 years (range 2–7).

Results

In terms of comorbid injury, 1 proximal humerus fracture, two distal humerus fractures were present. Injury mechanism-wise, jumping with companions who had a weight difference accounted for 16, similar age, but jumping with multiple companions were three, direct crush were three. There were no differences in the valgus angle or length of the legs during the 2 year follow-up period. However, epiphyseal tibia shaft angle significantly decreased and proximal epiphysis was found to be flat compared to the contralateral side.

Conclusion

Jumping with companion with a large difference in body weight, the first experience of jumping on trampoline and state of extension of knee at the time of injury was revealed to be risk factors for trampoline fractures. During a follow-up period of 1 year or longer, it was concluded that valgus deformity of lower extremity or leg length discrepancy were not noticeable.

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Abbreviations

ETSA:

Epiphyseal tibia shaft angle

AMD:

ASIS-medial malleolar distance

LLD:

Leg length discrepancy

CCTV:

Closed-circuit television

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Funding

No funding was obtained for this study.

Author information

Authors and Affiliations

  1. Department of Orthopedic Surgery, Dankook University Hospital, Cheonan, Republic of Korea

    Moon-Jib Yoo, Joon-Yeul Lee &  Kang-Heo

  2. Department of Orthopaedic Surgery, School of Medicine, Gyeongsang National University Hospital, 90 Chilamdong, Jinju, Gyeongnamdo, 660-702, Republic of Korea

    Jun-Il Yoo & Young-Jin Park

Authors
  1. Moon-Jib Yoo
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  2. Jun-Il Yoo
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  3. Joon-Yeul Lee
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  4. Young-Jin Park
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  5. Kang-Heo
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Contributions

JYL, YJP, and KH performed data correction and analysis. MJY and JIY contributed to the conception and design of the study. MJY and JIY involved in drafting the manuscript and revising it critically for important intellectual content. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Jun-Il Yoo.

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Conflict of interest

The author’s have no conflict of interest.

Ethical approval

This report was approved by the Ethics Committee, DANKOOK UNIVERSITY HOSPITAL INSTITUTIONAL REVIEW BOARD and clinical research number “DKUH 2017–06-007” was granted. And informed consent was obtained from the patients and their parents.

Informed consent

Written informed consent was obtained from all patients.

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Yoo, MJ., Yoo, JI., Lee, JY. et al. Treatment of typical trampoline fracture of the proximal tibia in children: results of minimum 1 year follow-up. Eur J Trauma Emerg Surg 47, 811–816 (2021). https://doi.org/10.1007/s00068-019-01266-3

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  • DOI: https://doi.org/10.1007/s00068-019-01266-3

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