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Sagittal Band Injury and Extensor Tendon Realignment.

Nicholas James1, Nolan Farrell2, Benjamin Mauck2

  • 1Editorial Campbell Clinic Foundation, 1211 Union Avenue, Suite 510, Memphis, TN 38104, USA.

The Orthopedic Clinics of North America
|June 20, 2022
PubMed
Summary

Injuries to the hand's sagittal bands can cause extensor tendon problems. Early recognition and treatment within three weeks often prevent the need for surgery, preserving tendon alignment and function.

Keywords:
Extensor tendonExtensor tendon dislocationSagittal bandSagittal band reconstruction

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Area of Science:

  • Orthopedics
  • Hand Surgery
  • Anatomy

Background:

  • Sagittal bands are crucial for stabilizing extensor tendons over metacarpal heads.
  • They prevent tendon deviation during metacarpophalangeal (MCP) joint flexion.
  • Injury can lead to extensor tendon malalignment, pain, subluxation, or dislocation.

Purpose of the Study:

  • To review the structural importance of sagittal bands.
  • To discuss the consequences of sagittal band injuries.
  • To outline treatment principles for sagittal band injuries.

Main Methods:

  • Literature review focusing on sagittal band anatomy and function.
  • Analysis of injury mechanisms and clinical presentations.
  • Discussion of surgical and non-surgical treatment outcomes.

Main Results:

  • Sagittal band integrity is vital for extensor mechanism function.
  • Delayed treatment increases the likelihood of surgical intervention.
  • Non-operative management is effective when initiated within 3 weeks.

Conclusions:

  • Prompt diagnosis and treatment of sagittal band injuries are essential.
  • Surgical goals include restoring extensor tendon alignment via repair or reconstruction.
  • Understanding sagittal band function aids in managing hand extensor tendon injuries.