Document Detail


Three-dimensional analysis of positional plagiocephaly before and after molding helmet therapy in comparison to normal head growth.
MedLine Citation:
PMID:  23371067     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: Stereophotogrammetry enables a simple and radiation free longitudinal analysis of skull asymmetries: in a three-dimensional coordinate system various distances (length, breadth, cephalic index, oblique diameters, ear shift, head circumference) can be analyzed. We also defined separate volume sections in order to further quantify the degree of asymmetry in the posterior and anterior components of both sides of the head. PATIENTS AND METHODS: In 51 infants (mean age, 6 months; SD 0.97) with positional plagiocephaly, we determined these parameters at the beginning as well as at the end of molding helmet therapy (mean therapy time 4.9 months). Thirty-seven infants without positional deformity (mean age, 6.4 months; SD 0.3) served as control group and provided data about what appears to be normal and how these parameters change during growth over a comparable period of time. RESULTS: Compared with the control group, the plagiocephalic heads were more brachycephalic, but closely approximated the normal shape under molding therapy. The striking volume difference between the left and right posterior sections in the plagiocephalic children (the mean volume of the flattened side being 21 % smaller than the one on the contralateral side) improved as well (to a residual difference of mean 8 %) and ended up with a value close to the control group (mean 6 %). CONCLUSION: There is a broad clinical application area for stereophotogrammetry analyzing skull morphology: In plagiocephalic infants we demonstrate impressive changes of head shape under molding therapy; in normal-looking infants we describe the extent of unperceived asymmetry.
Authors:
Tilmann Schweitzer; Hartmut Böhm; Christian Linz; Beatrice Jager; Lucia Gerstl; Felix Kunz; Angelika Stellzig-Eisenhauer; Ralf-Ingo Ernestus; Jürgen Krauß; Philipp Meyer-Marcotty
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-31
Journal Detail:
Title:  Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery     Volume:  -     ISSN:  1433-0350     ISO Abbreviation:  Childs Nerv Syst     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-2-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8503227     Medline TA:  Childs Nerv Syst     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Pediatric Neurosurgery, Craniofacial Center, University of Würzburg, Josef-Schneider-Strasse 11, 97080, Würzburg, Germany, schweitzer.t@nch.uni-wuerzburg.de.
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