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Journal of the Korean Academy of Rehabilitation Medicine 2004;28(2):126-131.
Hip Subluxation according to Neuromotor Type and Motor Quotient in Patients with Cerebral Palsy.
Moon, Jeong Lim , Lim, Ji Eun , Moon, Young Wan , Song, Dae Heon
1Department of Rehabilitation Medicine, The Catholic University School of Medicine, Korea. rface77@catholic.ac.kr
2Department of Orthopaedic Surgery, Sungkyunkwan University College of Medicine, Korea.
뇌성마비 환아에서 유형 및 운동지수에 따른 고관절 탈구의 빈도
문정림, 임지은, 문영완1, 송대헌
가톨릭대학교 의과대학 재활의학교실, 1성균관대학교 의과대학 정형외과학교실
Abstract
Objective
To find the incidence of hip subluxation according to corrected chronologic age (CCA), neuromotor type, severity and motor quotient in cerebral palsy (CP).
Method
We reviewed clinical records and radiological findings of CP visited our hospital between June 1999 and June 2003. One hundred ninety-six children with CP (mean CCA: 19.0⁑13.9 months) were evaluated by measurement of the migration index, acetabular index, central edge angle and neck shaft angle from pelvic X-ray. The hip subluxation was defined as above 33% on the migration index.
Results
Among the 311 hips, 35 hips (11.3%) were subluxated and none was dislocated. The incidence of hipsubluxation in CP was not significantly different in neuromotor type, severity, type by involvement of extremity and motor quotient, but statistically different in 25∼36 month old group in comparison with the other age groups (p<0.05).
Conclusion
The hip subluxation in CP may occur irrespective of neuromotor type, severity, type by involvement of extremities and motor quotient. Therefore, it is recommended to perform routine screening and follow-up examination of pelvic x-ray in CP to find out hip subluxation. (J Korean Acad Rehab Med 2004; 28: 126-131)
Key Words: Cerebral palsy, Hip subluxation, Neuromotor type, Motor quotient


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