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KMID : 0378019800230090049
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New Medical Journal
1980 Volume.23 No. 9 p.49 ~ p.52
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Persisting subluxation after reduction in the traumatically dislocated hip
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You Kie-Bum
Park Kyoung-Hee
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Abstract
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Traumatic dislocation of the hip joint was rarely encountered in the clinic, but recently its incidence increased since last 10 years because of mass causally by industrial and traffic accident.
The dislocation or fracture-dislocation of the hip joint regardless of its direction have been cared as an emergency condition and stressed to be reduced immediately because of unexpected high incidence of complication in the femoral head.
Most of the posterior dislocations of the hip joints are easily reduced by closed reduction, but occasionally the postreduction X-ray shows that the femoral head is not concentrically placed in the acetabulum.
Persisting subluxation is easily detected by examining the pre-reduction X-ray film, especially comparing the medial joint space distance.
This type of unexpected complication which is sometimes missed, is mostly the result of obstruction within the acetabulum by bony fragments or soft tissues.
Bone fragment is from acetabular rim and soft tissue is brought about by the acetabular labrum as bucket handle tear or joint capsules.
In such a case, the obstructing tissues in the joint between head and acetabulum must be removed surgically as soon as possible to reduce the subluxaion of the head.
In case 2 early surgical reduction after confirmation of persisting subluxation of the joint was done with uneventful good result, and in case 1 surgical reduction by removing the bony fragment in the joint at 3 months after injury, also had a good result, though about 10 degrees of abduction contracture of hip developed as a sequelae.
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