Objectives: Medical dictionaries and anthropologic sources de-fine brachycephaly as a cranial index (CI = width divided by length ×100%) greater than 81%.We examine the impact of supine sleeping on CI and compare...Objectives: Medical dictionaries and anthropologic sources de-fine brachycephaly as a cranial index (CI = width divided by length ×100%) greater than 81%.We examine the impact of supine sleeping on CI and compare orthotic treatment with repositioning.Study design: We compared the effect of repositioning versus helmet therapy on CI in 193 infants referred for abnormal head shape.Results: Eighty percent of the infants had a pretreatment CI >81%.Their initialmean CI atmean age 5.3 months was 89%, and after treatment, their mean CI was 87%(±2 SE = 0.9%) at mean age 9.0 months.For 92 infants with an initial CI at or above 90%, their initial mean CI of 96.1%was reduced to a mean of 91.9%.Conclusions: Post-treatment CI was 86%to 88%, CI in neonates delivered by cesarean section was 80%, and CI in supine-sleeping Asian children was 85%to 91%, versus 78%to 83%for prone-sleeping American children.Repositioning was less effective than cranial orthotic therapy in correcting severe brachycephaly.We recommend varying the head position when putting infants to sleep.展开更多
文摘Objectives: Medical dictionaries and anthropologic sources de-fine brachycephaly as a cranial index (CI = width divided by length ×100%) greater than 81%.We examine the impact of supine sleeping on CI and compare orthotic treatment with repositioning.Study design: We compared the effect of repositioning versus helmet therapy on CI in 193 infants referred for abnormal head shape.Results: Eighty percent of the infants had a pretreatment CI >81%.Their initialmean CI atmean age 5.3 months was 89%, and after treatment, their mean CI was 87%(±2 SE = 0.9%) at mean age 9.0 months.For 92 infants with an initial CI at or above 90%, their initial mean CI of 96.1%was reduced to a mean of 91.9%.Conclusions: Post-treatment CI was 86%to 88%, CI in neonates delivered by cesarean section was 80%, and CI in supine-sleeping Asian children was 85%to 91%, versus 78%to 83%for prone-sleeping American children.Repositioning was less effective than cranial orthotic therapy in correcting severe brachycephaly.We recommend varying the head position when putting infants to sleep.
