Non-rotational medial pinning with the K-Hammer technique in pediatric supracondylar fractures: a retrospective case-control study - Takeaways - MDSpire
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Medial Pinning Without Rotation Using the K-Hammer Technique for Pediatric Supracondylar Fractures: A Retrospective Case-Control Analysis

  • By

  • Xiang Zhang

  • Xiaoan Bai

  • Changhong Li

  • Mi Zhou

  • Jiang Chen

  • Guanwen Sun

  • Fan Bai

  • Yijun Zhou

  • July 9, 2026

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  • 1

    The study involved 80 pediatric patients with Gartland type III–IV supracondylar humeral fractures treated with two lateral and one medial crossed K-wires.

  • 2

    The K-Hammer technique resulted in significantly fewer medial pin attempts and shorter operative time compared to the Freehand technique.

  • 3

    Iatrogenic ulnar nerve injury occurred in 0% of the K-Hammer group, while the Freehand group had an injury rate of 11.9%.

  • 4

    No secondary displacement or reoperation occurred in either group, and rates of pinsite infection and myositis ossificans were low and similar.

  • 5

    The K-Hammer technique shows a favorable trend toward reducing ulnar nerve injury risk without compromising radiographic or functional outcomes.

Original Source(s)

Non-rotational medial pinning with the K-Hammer technique in pediatric supracondylar fractures: a retrospective case-control study

  • by Xiang Zhang, Xiaoan Bai, Changhong Li, Mi Zhou, Jiang Chen, Guanwen Sun, Fan Bai, Yijun Zhou

  • July 9, 2026

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