Interphalangeal Dislocation

Aka: Interphalangeal Dislocation, IP Dislocation, IP Joint Dislocation, Finger Dislocation at Interphalangeal Joint

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II. Mechanism

  1. Hyperextension injury most common
  2. Common injury in athletes

III. Complications

  1. Longterm stiffness
  2. Phalanx Fracture
  3. Tendon Injury

IV. Exam

  1. Ligament stability
  2. Motor function
  3. Sensation
  4. Distal circulation (Capillary Refill)
  5. Active joint range of motion
    1. Flexion
    2. Extension
  6. Finger alignment
    1. Extension
    2. Flexion
      1. Finger tips should not overlap
      2. Finger tips should all point towards thenar eminence

V. Signs

  1. Grossly deformed digit
  2. Swelling
  3. Erythema
  4. Decreased range of motion
  5. Tenderness to palpation

VI. Imaging: Three View Finger XRay before and after reduction

  1. Exclude avulsion Fracture
  2. Reduction may be attempted on sideline without XRay

VII. Management

  1. See Dorsal PIP Dislocation
  2. See Lateral PIP Dislocation
  3. See Volar PIP Dislocation
  4. See DIP Dislocation
  5. See IP Joint Dislocation at Thumb
  6. See Metacarpal-Phalangeal Dislocation

VIII. References

  1. Borchers (2012) Am Fam Physician 85(8): 805-10 [PubMed]
  2. Leggit (2006) Am Fam Physician 73(5): 827-34 [PubMed]
  3. Oetgen (2008) Curr Rev Musculoskelet Med 1(2):97-102 [PubMed]

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Related Studies

Ontology: Closed dislocation of interphalangeal (joint), hand (C0159959)

Concepts Injury or Poisoning (T037)
ICD9 834.02
SnomedCT 69120001
English Closed dislocation of interphalangeal (joint), hand, Disl interphaln hand-cl, Closed traumatic dislocation of interphalangeal joint of hand (disorder), Closed dislocation of interphalangeal joint of hand, Closed dislocation of interphalangeal, hand, Closed dislocation of interphalangeal joint, hand
Dutch gesloten ontwrichting van interfalangeaal (gewricht), hand
French Luxation fermée de l'articulation interphalangienne de la main
German geschlossene Luxation des Interphalangealgelenks, Hand
Italian Lussazione chiusa interfalangea (articolazione), mano
Portuguese Luxação fechada de articulação interfalângica (mão)
Spanish Luxación cerrada (de articulación) interfalángica de la mano, luxación cerrada de la articulación interfalángica de la mano, luxación cerrada de la articulación interfalángica de la mano (trastorno)
Japanese 指節間（関節）閉鎖性脱臼、手, ｼｾﾂｶﾝｶﾝｾﾂﾍｲｻｾｲﾀﾞｯｷｭｳﾃ
Czech Zavřená luxace interfalangeálního (kloubu) ruky
Hungarian Interphalangealis (ízület) zárt luxatiója, kéz
Derived from the NIH UMLS (Unified Medical Language System)

Related Topics in Hand Disorders

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