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Infection Tenosynovitis of Flexor Tendon Sheath

  1. Aetiology
    1. Pulp infection
    2. Puncture wounds in flexor crease
    3. Penetrating wounds are usually infected with S. aureus
  2. Kanavel Signs are Four cardial signs of suppurative tenosynovitis are

Description: flexortenosynovitis

  1. Tenderness over flexor tendon sheath on percussion (most significant sign)
  2. Flexion posture i.e., rigid positioning of finger in flexion
  3. Pain on attempts to hyperextend the finger (earliest most important sign)
  4. Uniform swelling involving entire finger
  1. Treatment
    1. Early tenosynovitis for <48 hours can be treated with antibiotics & splinting
    2. Prolonged infection causes flexor sheath pressure >30 mmHg & ischemia of tendon resulting in adhesion stiffness & functional impairment. Closed irrigation is better than open technique.

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