Extension block pinning for large mallet fractures

Eric P. Hofmeister, Michael T. Mazurek, Alexander Y. Shin, Allen T. Bishop

Research output: Contribution to journalArticle

71 Scopus citations

Abstract

Purpose: The purpose of this report is to review the results of displaced mallet fractures treated with an extension block pin and transarticular fixation of the distal interphalangeal joint. Methods: We retrospectively reviewed 23 patients with 24 fractures to determine the results of treatment, time to union, range of motion, and associated complications. Results: The average patient age was 24 years and the average fracture size was 40% of the joint surface. Ten patients were treated acutely (less than 10 days), 10 subacutely (10-30 days), and 3 chronically (greater than 30 days). Average time to fracture union was 35 days. At 1-year or greater follow-up evaluation the average extension loss was 4° and the average flexion was 77°. There were no major complications and there were 5 minor complications. Using the established outcome criteria for mallet injuries, 92% had excellent or good results. Conclusions: The results of this study showed that this surgical technique resulted in rapid fracture union with only minor complications and has excellent functional outcome based on established criteria.

Original languageEnglish (US)
Pages (from-to)453-459
Number of pages7
JournalJournal of Hand Surgery
Volume28
Issue number3
DOIs
StatePublished - May 2003

Keywords

  • Distal interphalangeal joint fracture
  • Extension block
  • Mallet finger
  • Mallet fracture
  • Surgical treatment

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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