Abstract:
BACKGROUND:Monobloc distraction has been demonstrated to be an efficacious, safe, and stable method of providing functional and aesthetic improvement in children with syndromic craniosynostosis. Although the movement of bony structures following monobloc distraction has been quantitatively assessed before, objective analysis of the movement of soft tissues, such as the globe, has not been published previously. The authors present a method that assesses globe movement following monobloc distraction, using computed tomographic scan data. METHODS:The preoperative and postoperative computed tomographic scans of 10 patients with Pfeiffer's and Crouzon's syndromes, undergoing monobloc distraction, were assessed. Scan data were loaded into voxel image-rendering software that produced a three-dimensional reconstruction. Direct measurements between preoperative and postoperative images were taken. RESULTS:An average upper face osseous distraction distance of 12.94 mm, with an average lower face distraction of 14.19 mm, was achieved in all 10 children. The authors measured average globe movements on three planes and calculated an average left eye forward movement of 5.28 mm and average right eye forward movement of 6.33 mm. In all, globe advancement was approximately two fifths of the distance advanced by the surrounding bone. CONCLUSIONS:Forward movement of the globe following monobloc distraction has not previously been described. Although there is no current evidence for optic nerve stretch and compromise in monobloc surgery, the functional implications of these findings should be formally assessed.
journal_name
Plast Reconstr Surgjournal_title
Plastic and reconstructive surgeryauthors
O'Connor EJF,Marucci DD,Jeelani NO,Witherow H,Richards R,Dunaway DJ,Hayward RDdoi
10.1097/PRS.0b013e3181a07625subject
Has Abstractpub_date
2009-05-01 00:00:00pages
1570-1577issue
5eissn
0032-1052issn
1529-4242pii
00006534-200905000-00022journal_volume
123pub_type
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journal_title:Plastic and reconstructive surgery
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journal_title:Plastic and reconstructive surgery
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journal_title:Plastic and reconstructive surgery
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doi:10.1097/00006534-200201000-00028
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journal_title:Plastic and reconstructive surgery
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journal_title:Plastic and reconstructive surgery
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journal_title:Plastic and reconstructive surgery
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journal_title:Plastic and reconstructive surgery
pub_type: 杂志文章
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更新日期:1995-03-01 00:00:00
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journal_title:Plastic and reconstructive surgery
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journal_title:Plastic and reconstructive surgery
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journal_title:Plastic and reconstructive surgery
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