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The scaphoid compression test.

S C Chen1

  • 1Chase Farm Hospital, Enfield, Middlesex.

Journal of Hand Surgery (Edinburgh, Scotland)
|August 1, 1989
PubMed
Summary
This summary is machine-generated.

A new clinical test for scaphoid waist fractures involves compressing the first ray. This method accurately identifies fractures, even when a patient is in a plaster cast, aiding diagnosis.

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Area of Science:

  • Orthopedic surgery
  • Radiology

Background:

  • Scaphoid waist fractures are common wrist injuries.
  • Accurate and timely diagnosis is crucial for optimal patient outcomes.
  • Current diagnostic methods can be limited, especially in the presence of casts.

Purpose of the Study:

  • To describe and evaluate a novel clinical test for diagnosing scaphoid waist fractures.
  • To assess the test's efficacy in patients with suspected scaphoid fractures, including those immobilized in casts.

Main Methods:

  • A longitudinal compression test of the first ray was performed on patients with suspected scaphoid fractures.
  • Test results were correlated with radiographic findings (X-rays) and clinical follow-up.
  • The study included 52 patients with suspected scaphoid fractures.

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Main Results:

  • The test demonstrated a high degree of accuracy in identifying scaphoid waist fractures.
  • 37 patients with negative tests were confirmed fracture-free by X-ray.
  • 12 patients with positive tests had confirmed fractures; 2 had adjacent fractures (scaphoid tuberosity, radial styloid).

Conclusions:

  • The described clinical test is a valuable, non-invasive tool for diagnosing scaphoid waist fractures.
  • Its ability to be performed with a plaster cast offers a significant advantage in clinical practice.
  • The test becomes negative once fracture union has occurred.