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S2-翼状髂骨螺钉形态学分析的可重复性

REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSIS.

作者信息

Pontes Mariana Demétrio DE Sousa, Francisco Lucas Américo, Ismael Lucas Klarosk, Herrero Carlos Fernando Pereira DA Silva

机构信息

Universidade de São Paulo, Ribeirão Preto School of Medicine, Department of Orthopedics and Anesthesiology, Ribeirão Preto, SP, Brazil.

出版信息

Acta Ortop Bras. 2021 Mar-Apr;29(2):97-100. doi: 10.1590/1413-785220212902236763.

DOI:10.1590/1413-785220212902236763
PMID:34248409
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8244835/
Abstract

OBJECTIVE

To evaluate the reproducibility of a S2-alar iliac (S2AI) screw parameters measurement method by inter and intraobserver reliability.

METHODS

Cross-sectional study, considering computed tomography exams. Morphometric analysis was performed by multiplanar reconstructions. Screw length, diameter and trajectory angles were the studied variables. To analyze the measurements reproducibility, intraclass correlation coefficient (ICC) was used.

RESULTS

Interobserver reliability was classified as strong for screw shortest length (ICC: 0.742) and diameter (ICC: 0.699). Interobserver reliability was classified as moderate for screw longest length (ICC: 0.553) and for screw trajectory angles in the axial plane for the longest (ICC: 0.478) and for the shortest lengths (ICC: 0.591). Intraobserver reliability was interpreted as excellent for screw shortest (ICC: 0.932) and longest lengths (ICC: 0.962) and diameter (ICC: 0.770) and screw trajectory angles in the axial plane for the screw longest (ICC: 0.773) and shortest lengths (ICC: 0.862). There were weak interobserver and strong intraobserver reliabilities for trajectory angle in sagittal plane, but no statistical significance was found.

CONCLUSION

Inter and intraobserver reliability of S2AI screw morphometric parameters were interpreted from moderate to excellent in almost all studied variables, except for the screw trajectory angle in the sagittal plane measurement.

摘要

目的

通过观察者间和观察者内可靠性评估S2-翼髂（S2AI）螺钉参数测量方法的可重复性。

方法

横断面研究，纳入计算机断层扫描检查。通过多平面重建进行形态学分析。研究变量包括螺钉长度、直径和轨迹角度。使用组内相关系数（ICC）分析测量的可重复性。

结果

观察者间可靠性方面，螺钉最短长度（ICC：0.742）和直径（ICC：0.699）的可靠性分类为强。观察者间可靠性方面，螺钉最长长度（ICC：0.553）以及轴向平面上最长（ICC：0.478）和最短长度（ICC：0.591）的螺钉轨迹角度的可靠性分类为中等。观察者内可靠性方面，螺钉最短（ICC：0.932）和最长长度（ICC：0.962）、直径（ICC：0.770）以及轴向平面上最长（ICC：0.773）和最短长度（ICC：0.862）的螺钉轨迹角度的可靠性被解释为优秀。矢状面轨迹角度的观察者间可靠性较弱，观察者内可靠性较强，但未发现统计学意义。

结论

除矢状面测量的螺钉轨迹角度外，几乎所有研究变量中S2AI螺钉形态学参数的观察者间和观察者内可靠性从中等到优秀。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/c58fbe15d457/1809-4406-aob-29-02-97-gf6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/babd66ef939d/1809-4406-aob-29-02-97-gf1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/52db622c4f28/1809-4406-aob-29-02-97-gf2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/7027ce0abbd9/1809-4406-aob-29-02-97-gf3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/2b55280efa01/1809-4406-aob-29-02-97-gf4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/3e91df3857b2/1809-4406-aob-29-02-97-gf5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/c58fbe15d457/1809-4406-aob-29-02-97-gf6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/babd66ef939d/1809-4406-aob-29-02-97-gf1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/52db622c4f28/1809-4406-aob-29-02-97-gf2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/7027ce0abbd9/1809-4406-aob-29-02-97-gf3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/2b55280efa01/1809-4406-aob-29-02-97-gf4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/3e91df3857b2/1809-4406-aob-29-02-97-gf5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ad45/8244835/c58fbe15d457/1809-4406-aob-29-02-97-gf6.jpg

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本文引用的文献

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