Investigation of ultrasonic soft tissue-bone reflection coefficients correlating with curve severity in children with adolescent idiopathic scoliosis
2022-09
发表期刊PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS, PART H: JOURNAL OF ENGINEERING IN MEDICINE (IF:1.7[JCR-2023],1.8[5-Year])
ISSN0954-4119
EISSN2041-3033
发表状态已发表
DOI10.1177/09544119221114200
摘要

Adolescent idiopathic scoliosis (AIS) is a three-dimensional curvature of spine. Children with AIS and low bone quality have higher chance to get curve progression leading to bigger spinal curvature. In addition, bone quality affects acoustic impedance of bone, thus influencing the reflection coefficient of ultrasound signal from the soft tissue–bone interface. This study aimed to estimate the bone quality of AIS patients based on the reflection coefficients to determine the correlation of the bone quality with curve severity. A simple bone model was used to develop an equation to calculate the reflection coefficient value. Experiments were conducted on five different phantoms. Acrylic was used to design a vertebral shape to study the effect of surface roughness and inclination, including: smooth flat surface (SFS), smooth curved surface (SCS), rough curved surface (RCS), and the rough curved inclined surface (RCIS). A clinical study with 37 AIS patients were recruited. The estimated reflection coefficient values of plate phantoms agreed well with the predicted values and the maximum error was 6.7%. The reflection coefficients measured from the acrylic-water interface for the SFS, SCS, RCS, RCIS (3° and 5°) were 0.37, 0.33, 0.28, (0.23 and 0.12), respectively. The surface roughness and inclination increased the reflection loss. From the clinical data, the average reflection coefficients for children with AIS were 0.11 and 0.07 for the mild curve group and the moderate curve group, respectively. A moderate linear correlation was found between the reflection coefficients and curve severity ((Formula presented.) = 0.3). Patients with lower bone quality have observed to have larger spinal curvature. © IMechE 2022.

关键词Acoustic impedance Phantoms Surface roughness Tissue Ultrasonics Adolescent idiopathic scoliosis Bone quality Coefficient values Correlation Curve severity Curved surfaces Soft tissue Spinal curvature Ultrasound reflection coefficient Ultrasound reflections
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收录类别SCI ; SCIE ; EI
语种英语
WOS研究方向Engineering
WOS类目Engineering, Biomedical
WOS记录号WOS:000830135300001
出版者SAGE Publications Ltd
EI入藏号20223112455409
EI主题词Reflection
EI分类号461.2 Biological Materials and Tissue Engineering ; 751.2 Acoustic Properties of Materials ; 753.1 Ultrasonic Waves ; 931.2 Physical Properties of Gases, Liquids and Solids
原始文献类型Article in Press
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/211749
专题信息科学与技术学院_PI研究组_郑锐组
通讯作者Le, Lawrence H.; Lou, Edmond
作者单位
1.Univ Alberta, Dept Radiol & Diagnost Imaging, 2A2-37 Walter C Mackenzie Hlth Sci Ctr, Edmonton, AB T6G 2B7, Canada
2.Univ Alberta, Dept Biomed Engn, Edmonton, AB, Canada
3.ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai, Peoples R China
4.Univ Alberta, Dept Elect & Comp Engn, 11-263 Donadeo ICE Bldg,9211-116 St, Edmonton, AB T6G 1H9, Canada
推荐引用方式
GB/T 7714
Pham, Thanh-Tu,Le, Lawrence H.,Khodaei, Mahdieh,et al. Investigation of ultrasonic soft tissue-bone reflection coefficients correlating with curve severity in children with adolescent idiopathic scoliosis[J]. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS, PART H: JOURNAL OF ENGINEERING IN MEDICINE,2022.
APA Pham, Thanh-Tu,Le, Lawrence H.,Khodaei, Mahdieh,Zheng, Rui,&Lou, Edmond.(2022).Investigation of ultrasonic soft tissue-bone reflection coefficients correlating with curve severity in children with adolescent idiopathic scoliosis.PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS, PART H: JOURNAL OF ENGINEERING IN MEDICINE.
MLA Pham, Thanh-Tu,et al."Investigation of ultrasonic soft tissue-bone reflection coefficients correlating with curve severity in children with adolescent idiopathic scoliosis".PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS, PART H: JOURNAL OF ENGINEERING IN MEDICINE (2022).
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