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14th Triennial Congress of the International Federation of Societies for Surgery of the Hand (IFSSH), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT)

17.06. - 21.06.2019, Berlin

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Comparison of extension splint and temporary pinning for acute tendon mallet injury

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  • presenting/speaker Shigeki Nagura - Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
  • Taku Suzuki - Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
  • Takuji Iwamoto - Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
  • Ruriko Iigaya - Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
  • Noboru Matsumura - Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
  • Masaya Nakamura - Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
  • Morio Matsumoto - Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
  • Kazuki Sato - Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan

International Federation of Societies for Surgery of the Hand. International Federation of Societies for Hand Therapy. 14th Triennial Congress of the International Federation of Societies for Surgery of the Hand (IFSSH), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT). Berlin, 17.-21.06.2019. Düsseldorf: German Medical Science GMS Publishing House; 2020. DocIFSSH19-261

doi: 10.3205/19ifssh1075, urn:nbn:de:0183-19ifssh10751

Published: February 6, 2020

© 2020 Nagura et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 License. See license information at http://creativecommons.org/licenses/by/4.0/.

Outline

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Objectives/Interrogation: Purpose: This retrospective study was designed to evaluate conservative and surgical treatment for acute closed tendon mallet injury.

Methods: A total of 59 patients with acute closed tendon mallet injury were enrolled in this study (29 patients in conservative treatment and 30 patients in surgical treatment). Conservative treatment was performed using two types of splinting and surgical treatment was conducted with oblique K-wire fixation of the distal interphalangeal (DIP) joint. The DIP joint was immobilized for eight weeks in both treatments. Active ranges of motion of the affected finger and clinical results from Miller’s classification were evaluated postoperatively.

Results and Conclusions: The mean extension lag of the DIP joint in the surgical treatment group was significantly better than it was with conservative treatment (2.1° vs 13.8°, p < 0.001). The surgical treatment group also showed significantly better results on Miller’s classification (p = 0.007). Three patients who were noncompliant with the splint showed poor results, while no patients in the surgical treatment group had a poor result.

Surgical treatment with temporary K-wire fixation leads to satisfactory postoperative results for acute tendon mallet injury.