Document Detail

A sonographic study of perinatal hip development: from 34 weeks of gestation to 6 weeks of age.
MedLine Citation:
PMID:  14530692     Owner:  NLM     Status:  MEDLINE    
A sonographic study of perinatal hip development was performed by consecutive measurement of Graf's alpha and beta angles in fetal and newborn hips. The study group consisted of infants with sonographically normal hip findings at birth. Forty fetuses were examined by fetal hip sonography at 34, 36 and 38 weeks of gestation. Postnatally, hip sonography was performed in the first and sixth week of age. Maturation curves of the bony (alpha-angle) and cartilaginous (beta-angle) acetabular roof from 34 weeks of gestation to 6 weeks of age were established. Prenatally, the mean alpha-angles were above the level that corresponds to a mature hip joint. A significantly higher value of the mean alpha-angles was found after birth. The mean beta-angles of the fetuses did not differ from those of the newborns. Our results revealed that the fetal hip joint is sonographically mature at 34 weeks of gestation. Further progression of hip development occurs around term.
Helmar Stiegler; Erich Hafner; Katharina Schuchter; Alfred Engel; Reinhard Graf
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of pediatric orthopedics. Part B     Volume:  12     ISSN:  1060-152X     ISO Abbreviation:  J Pediatr Orthop B     Publication Date:  2003 Nov 
Date Detail:
Created Date:  2003-10-07     Completed Date:  2004-04-08     Revised Date:  2012-09-17    
Medline Journal Info:
Nlm Unique ID:  9300904     Medline TA:  J Pediatr Orthop B     Country:  United States    
Other Details:
Languages:  eng     Pagination:  365-8     Citation Subset:  IM    
Departments of Orthopaedic Surgery, Danube Hospital, Vienna, Austria.
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MeSH Terms
Gestational Age
Hip Joint / anatomy & histology,  embryology*,  ultrasonography*
Infant, Newborn
Ultrasonography, Prenatal*

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