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Correction of Deformational Plagiocephaly in Early Infancy Using the Plagio Cradle Orthotic

BackgroundThe purpose of this study was to assess early treatment of deformational plagiocephaly using the Plagio Cradle, a modifiable cranial orthotic. MethodsInfants were included if they had treatment of deformational plagiocephaly with the Plagio Cradle beginning at 4 months or younger. Patients were prospectively stratified by the age treatment was initiated: group 1: under 10 weeks (n = 50); group 2: 10 to 20 weeks (n = 113). Pretreatment and posttreatment calvarial asymmetry was measured using direct anthropometry and reported as a transcranial difference (TCD). The end point for therapy was a TCD of 5 mm or less, falling within 2 SDs of published normative data. ResultsOne hundred sixty-three infants were included. Initial TCD was significantly higher for group 1 as compared with group 2 (initial TCD: 11.0 vs 9.0 mm; P < 0.05). Duration of therapy was significantly longer for group 1 as compared with group 2 (6.9 vs 5.7 week; P < 0.05). Following cradle use, group 1 infants demonstrated a significantly larger change in TCD in comparison to group 2 (change in TCD: 6.0 vs 4.0 mm; P < 0.001). At the conclusion of therapy, group 1 infants trended toward greater calvarial symmetry than group 2 patients (final TCD: 4.5 vs 5.0 mm; P = 0.06) and a higher frequency of cases with full correction of asymmetry (62.4% vs 52.2%; P = 0.16). ConclusionsThe Plagio Cradle can fully correct deformational plagiocephaly early in life. Nevertheless, treatment is more effective if initiated before 10 weeks of age.