Evaluation and Management of Knee Dislocation in the Emergency Department |
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| Affiliation: | 1. Department of Emergency Medicine, Rush University Medical Center, Chicago, Illinois;2. Department of Emergency Medicine, The University of Texas Southwestern Medical Center, Dallas, Texas;3. Department of Emergency Medicine, Brooke Army Medical Center, Fort Sam Houston, Texas;1. Northeast Ohio Medical College, Rootstown, Ohio;2. Department of Emergency Medicine, Summa Health, Akron, Ohio;3. Department of Cardiology, Summa Health, Akron, Ohio;1. Department of Anesthesiology, Bnai Zion Medical Center, Haifa, Israel;2. Israel Faculty of Medicine, Technion, Israel-Institute of Technology, Haifa, Israel;3. Department of Surgery, Bnai Zion Medical Center, Haifa, Israel;4. Department of Anesthesia and Perioperative Medicine, Complejo Hospitalario Universitario de A Coruña, A Coruña, Galicia, Spain;6. Spanish Difficult Airway Group (GEVAD), Institute for Biomedical Research of A Coruña, A Coruña, Spain;5. Anesthesiology and Pain Management Research Group, Institute for Biomedical Research of A Coruña, A Coruña, Spain;1. Department of Emergency Medicine, Hartford Hospital, Hartford, Connecticut;2. Department of Emergency Medicine, Beilinson Hospital, Rabin Medical Center, Petah Tikvah, Israel;3. Integrated Residency in Emergency Medicine, University of Connecticut, Farmington, Connecticut;4. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel;1. Department of Emergency Medicine, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel;2. Department of Diagnostic Ultrasound, Hasharon Hospital, Rabin Medical Center, Petah Tikva, Israel;3. Department of Emergency Medicine, Shaare Zedek Medical Center, Jerusalem, Israel |
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| Abstract: | BackgroundKnee dislocations are a potentially limb-threatening injury, and it is essential that emergency medicine clinicians are aware of them.ObjectiveThis article provides a review of the diagnosis and management of knee dislocation for the emergency provider.DiscussionKnee dislocations are uncommon injuries with the potential for significant morbidity. A thorough history and examination are important, because 50% of dislocations may have reduced before arrival to the emergency department. Knee dislocations should be quickly reduced in the emergency department setting. The presence of equal pulses does not exclude vascular injury, and all patients should undergo serial vascular examinations and evaluation with ankle-brachial indices. Those with abnormal ankle-brachial indices should receive computed tomographic angiography. Radiographs are important to identify any fractures, while magnetic resonance imaging may be deferred until after admission.ConclusionKnee dislocation is a potentially dangerous medical condition requiring rapid diagnosis and management. It is essential for emergency clinicians to know how to diagnose and treat this disorder. |
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| Keywords: | ankle-brachial index dislocation knee orthopedics |
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