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Results for “Joint Dislocations”

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At least 199 records · Page 11Linked to original sources
PubMed1996

Computer evaluation of second tarsometatarsal joint dislocation.

Using computer-assisted techniques, this study analyzes the mean contact area of the articular surface of the second tarsometatarsal joint. The articular contact area decreased proportionate to the displacement in both males and females, but it was consistently greater in males than in females for all simulated displacements. The reduction in the contact area was the highest with dorsolateral displacement compared with the lateral and dorsal displacements. Dorsolateral displacement of the second metatarsal of 3 mm led to 38.6% reduction in the contact area, compared with 33.1% and 20.2% reduction with lateral and dorsal displacements, respectively. This study shows that even minor degrees of displacement not apparent on plain radiographs lead to significant decrease in the contact area of the second tarsometatarsal joint. Careful evaluation of second tarsometatarsal injuries with computed tomography is recommended to detect minor degrees of displacement.

Computer Simulation↗
PubMed2006

Botulinum toxin treatment for upper airway collapse resulting from temporomandibular joint dislocation due to jaw-opening dystonia.

To examine the effects of botulinum toxin injection application for the treatment of upper airway obstruction due to hyperactive lateral pterygoid muscle contraction, we applied botulinum toxin injection. A 20 year-old male patient had involuntary mouth opening after a diabetic coma. His mouth opened excessively (84 mm) particularly when he was in a nervous or stressed condition. This resulted in a bilateral temporomandibular dislocation and, consequently, upper airway collapse. The differential diagnosis of jaw-opening oromandibular dystonia was made. Botulinum toxin type A was bilaterally injected into the lateral pterygoid muscle. The excessive mouth opening was reduced, and the patient showed no temporomandibular joint (TMJ) dislocation or experienced any further airway collapse after the injections. We successfully applied botulinum toxin to a patient with upper airway obstruction and TMJ dislocation relative to jaw-opening dystonia.

Adult↗
PubMed2004

[Metacarpophalangeal joint dislocation of the thumb in children].

This publication presents 7 children with traumatic dislocation of the thumb, treated in University Children's Hospital in Kraków between 1993-2002. The mean age during injury was 9 years, mean observation time 2 years. One child was operated, the others had non-operative treatment. All gained good result. The literature about this dislocation has been discussed in this paper.

Adolescent↗