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Perilunate and Lunate Dislocations.

Denise R Ramponi1, Anthony E Good

  • 1School of Nursing, Education and Human Studies, Robert Morris University, Moon Township, Pennsylvania (Dr Ramponi); Urgent Care Clinics in Convenient Care Clinics, Heritage Valley Health System, Pittsburgh, Pennsylvania (Drs Ramponi and Good); School of Nursing, School of Health Science and Education, Saint Francis University, Loretto, Pennsylvania (Dr Good); and Advanced Kidney Care Medical Associates, Pittsburgh, Pennsylvania (Dr Good).

Advanced Emergency Nursing Journal
|April 28, 2023
PubMed
Summary
This summary is machine-generated.

Lunate and perilunate wrist dislocations are serious injuries that can be missed. Prompt diagnosis and surgical intervention are crucial to prevent long-term pain and disability.

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Radiology

Background:

  • Lunate and perilunate dislocations are uncommon but severe wrist injuries.
  • Often result from high-energy trauma, such as falls or motor vehicle accidents.
  • Mechanism typically involves wrist hyperextension during a fall on an outstretched hand (FOOSH).

Purpose of the Study:

  • To highlight the diagnostic challenges and management of lunate and perilunate dislocations.
  • To emphasize the importance of early recognition and treatment.
  • To discuss the potential long-term consequences of missed or delayed diagnoses.

Main Methods:

  • Review of injury mechanisms and clinical presentations.
  • Emphasis on radiographic diagnosis, particularly the lateral wrist view.
  • Discussion of emergent reduction and stabilization techniques (closed or open).

Main Results:

  • Perilunate dislocations involve disruption of the lunate-capitate relationship.
  • Lunate dislocations involve the lunate bone's separation from the radius and capitate.
  • Diagnosis is primarily confirmed via lateral wrist radiographs.

Conclusions:

  • These wrist dislocations require emergent orthopedic evaluation and management.
  • Failure to diagnose can lead to chronic pain and functional impairment.
  • Timely reduction and stabilization are essential for optimal outcomes.