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Acetabular dysplasia at the age of 1 year in children with neonatal instability of the hip.

Wenger, Daniel LU ; Düppe, Henrik LU and Tiderius, Carl Johan LU (2013) In Acta Orthopaedica 84(5). p.483-488
Abstract
Background and purpose As much as one-third of all total hip arthroplasties in patients younger than 60 years may be a consequence of developmental dysplasia of the hip (DDH). Screening and early treatment of neonatal instability of the hip (NIH) reduces the incidence of DDH. We examined the radiographic outcome at 1 year in children undergoing early treatment for NIH. Subjects and methods All children born in Malmö undergo neonatal screening for NIH, and any child with suspicion of instability is referred to our clinic. We reviewed the 1-year radiographs for infants who were referred from April 2002 through December 2007. Measurements of the acetabular index at 1 year were compared between neonatally dislocated, unstable, and stable hips.... (More)
Background and purpose As much as one-third of all total hip arthroplasties in patients younger than 60 years may be a consequence of developmental dysplasia of the hip (DDH). Screening and early treatment of neonatal instability of the hip (NIH) reduces the incidence of DDH. We examined the radiographic outcome at 1 year in children undergoing early treatment for NIH. Subjects and methods All children born in Malmö undergo neonatal screening for NIH, and any child with suspicion of instability is referred to our clinic. We reviewed the 1-year radiographs for infants who were referred from April 2002 through December 2007. Measurements of the acetabular index at 1 year were compared between neonatally dislocated, unstable, and stable hips. Results The incidence of NIH was 7 per 1,000 live births. The referral rate was 15 per 1,000. 82% of those treated were girls. The mean acetabular index was higher in dislocated hips (25.3, 95% CI: 24.6-26.0) than in neonatally stable hips (22.7, 95% CI: 22.3-23.2). Girls had a higher mean acetabular index than boys and left hips had a higher mean acetabular index than right hips, which is in accordance with previous findings. Interpretation Even in children who are diagnosed and treated perinatally, radiographic differences in acetabular shape remain at 1 year. To determine whether this is of clinical importance, longer follow-up will be required. (Less)
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author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Acta Orthopaedica
volume
84
issue
5
pages
483 - 488
publisher
Taylor & Francis
external identifiers
  • wos:000326679000009
  • pmid:24171679
  • scopus:84887420607
  • pmid:24171679
ISSN
1745-3682
DOI
10.3109/17453674.2013.850009
language
English
LU publication?
yes
id
6a2a75a1-8a6b-4b18-bea9-c41e8552eef6 (old id 4179987)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/24171679?dopt=Abstract
date added to LUP
2016-04-01 09:48:33
date last changed
2022-04-03 23:30:28
@article{6a2a75a1-8a6b-4b18-bea9-c41e8552eef6,
  abstract     = {{Background and purpose As much as one-third of all total hip arthroplasties in patients younger than 60 years may be a consequence of developmental dysplasia of the hip (DDH). Screening and early treatment of neonatal instability of the hip (NIH) reduces the incidence of DDH. We examined the radiographic outcome at 1 year in children undergoing early treatment for NIH. Subjects and methods All children born in Malmö undergo neonatal screening for NIH, and any child with suspicion of instability is referred to our clinic. We reviewed the 1-year radiographs for infants who were referred from April 2002 through December 2007. Measurements of the acetabular index at 1 year were compared between neonatally dislocated, unstable, and stable hips. Results The incidence of NIH was 7 per 1,000 live births. The referral rate was 15 per 1,000. 82% of those treated were girls. The mean acetabular index was higher in dislocated hips (25.3, 95% CI: 24.6-26.0) than in neonatally stable hips (22.7, 95% CI: 22.3-23.2). Girls had a higher mean acetabular index than boys and left hips had a higher mean acetabular index than right hips, which is in accordance with previous findings. Interpretation Even in children who are diagnosed and treated perinatally, radiographic differences in acetabular shape remain at 1 year. To determine whether this is of clinical importance, longer follow-up will be required.}},
  author       = {{Wenger, Daniel and Düppe, Henrik and Tiderius, Carl Johan}},
  issn         = {{1745-3682}},
  language     = {{eng}},
  number       = {{5}},
  pages        = {{483--488}},
  publisher    = {{Taylor & Francis}},
  series       = {{Acta Orthopaedica}},
  title        = {{Acetabular dysplasia at the age of 1 year in children with neonatal instability of the hip.}},
  url          = {{https://lup.lub.lu.se/search/files/1272350/4456155.pdf}},
  doi          = {{10.3109/17453674.2013.850009}},
  volume       = {{84}},
  year         = {{2013}},
}