|本期目录/Table of Contents|

[1]杨欲晓,成 佳,杨宏亮,等.不同距离目标三维超声容积自动测量技术准确度的实验研究[J].医学研究与战创伤救治(原医学研究生学报),2014,16(02):124-127.[doi:10.3969/j.issn.1672-271X.2014.02.004]
 YANG YU-xiao,CHENG Jia,YANG Hong-liang,et al.A research on the accuracy of automatic three-dimensional ultrasound volume measurement towards targets at different depths[J].JOURNAL OF MEDICALRESEARCH —COMBAT TRAUMA CARE,2014,16(02):124-127.[doi:10.3969/j.issn.1672-271X.2014.02.004]
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不同距离目标三维超声容积自动测量技术准确度的实验研究()

《医学研究与战创伤救治》(原医学研究生学报)[ISSN:1672-271X/CN:32-1713/R]

卷:
第16卷
期数:
2014年02期
页码:
124-127
栏目:
出版日期:
2014-03-20

文章信息/Info

Title:
A research on the accuracy of automatic three-dimensional ultrasound volume measurement towards targets at different depths
作者:
杨欲晓成 佳杨宏亮李发兵王义霞
243100 安徽当涂,解放军81医院86临床部特诊科
Author(s):
YANG YU-xiaoCHENG JiaYANG Hong-liangLI Fa-bingWANG Yi-xia.
Department of Ultrasound,86 Clinical Branch of 81 Hospital,PLA,Dangtu,Anhui 243100,China
关键词:
容积测量三维超声准确度
Keywords:
volume measurementthree-dimensional ultrasoundaccuracy
分类号:
R445.1
DOI:
10.3969/j.issn.1672-271X.2014.02.004
文献标志码:
A
摘要:
目的 评价对不同距离目标三维超声容积自动测量(virtual organ computer aided analysis,VOCAL)技术的准确度。方法 应用VOCAL技术对19个不规则不变形水囊模型在距离探头表面1 cm、3 cm、6 cm、9 cm、12 cm处分别作容积自动测量。结果 VOCAL测量不规则水囊在距探头1 cm、3 cm、6 cm、9 cm、12 cm处体积的准确度分别为(99.80±2.63)%、(95.06±3.34)%、(91.37±4.23)%、(88.65±4.44)%、(80.98±9.11)%。系统偏倚(测量差值的平均值)及一致界限(测量差值平均值±2SD)分别为(-0.66±5.18)ml、(-9.07±6.82)ml、(-14.36±6.96)ml、(-21.09±8.39)ml、(-28.37±10.51)ml,相关系数(r)分别为0.992、0.989、0.987、0.981、0.968 。 结论 随目标距离探头数值增加,其测量准确度降低,误差加大,系统偏倚增大,相关系数减小。
Abstract:
Objective To investigate and evaluate the accuracy of automatic three-dimensional ultrasound volume measurement to target different depths.Methods 19 irregular water sacs with fixed sharps were scanned at 1 cm,3 cm,6 cm,9 cm and 12 cm distance away from the surface of the probe using automatic 3DUS volume measurement.Results The accuracy of the volume measurements were (99.80±2.63)% (1 cm distance),(95.06±3.34)% (3 cm distance),(91.37±4.23)% (6 cm distance),(88.65±4.44)% (9 cm distance) and (80.98±9.11)% (12 cm distance).The corresponding system biases and limits of arrangement were (-0.66±5.18)ml,(-9.07±6.82)ml,(-14.36±6.96)ml,(-21.09±8.39)ml,and (-28.37±10.51)ml respectively.The correlation coefficients were 0.992,0.989,0.987,0.981,and 0.968 successively.Conclusion The research data indicates that the increase of the distance from the targets to the probe will lead to increased measurement errors therefore decreased accuracy.Meanwhile,as the distance increased,the system bias increases and correlation coefficients will be reduced.

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备注/Memo

备注/Memo:
南京军区面上A类基金项目(11MA060)
更新日期/Last Update: 2014-03-20