The biomechanics of guided growth: does screw size, plate size, or screw configuration matter?

被引：16
|
作者：
Schoenleber, Scott J. [1 ]
Iobst, Christopher A. [2 ]
Baitner, Avi [2 ]
Standard, Shawn C. [3 ]
机构：
[1] Univ Miami, Jackson Mem Hosp, Dept Orthopaed, Miami, FL 33136 USA
[2] Miami Childrens Hosp, Dept Orthopaed Surg, Miami, FL 33155 USA
[3] Rubin Inst Adv Orthopaed, Baltimore, MD USA
来源：
JOURNAL OF PEDIATRIC ORTHOPAEDICS-PART B | 2014年 / 23卷 / 02期
关键词：
biomechanics; eight-plate; genu valgum; genu varum; guided growth; hemiepiphysiodesis; TEMPORARY HEMIEPIPHYSIODESIS; 8-PLATE;
D O I：
10.1097/BPB.0000000000000026
中图分类号：
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];
学科分类号：
摘要：
Guided growth with the eight-plate is a commonly used technique to correct angular limb deformities in children. However, the optimal combination of plate size, screw size, and screw configuration has not been determined. Using osteotomized femoral sawbones and a rail frame, we developed a growth model to examine the effect of these variables at 6-month, 12-month, and 18-month growth increments. The mean annual coronal plane change was 11.3 degrees. Screw size and plate size were not associated with the rate of angular correction. Screw configuration was important, with parallel screws resulting in optimal correction at all time points compared with divergent screws (P<0.05).
引用
收藏
页码：122 / 125
页数：4
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