3D view序列联合压缩感知技术精准诊断踝周韧带损伤  

3D VIEW Sequence Combined with Compressed Sensing Technolog y to Accurately Diagnose Malleolus Injury

作　　者：张汉智 王植[2] 孟祥虹[2] 孙曼 ZHANG Han-zhi;WANG Zhi;MENG Xiang-hong;SUN Man(Tianjin University of Traditional Chinese Medicine,Tianjin 301617,China;Department of Radiology,Tianjin Hospital,Tianjin 300211,China)

机构地区：[1]天津中医药大学,天津301617 [2]天津市天津医院放射科,天津300211

出　　处：《中国CT和MRI杂志》2023年第6期162-164,共3页Chinese Journal of CT and MRI

摘　　要：目的应用3 Dview序列联合压缩感知(Compressed Sensing,CS)技术观察踝关节扭伤患者韧带损伤情况,探讨3D view序列与常规2D序列相比能否提高诊断效能。方法前瞻性分析2021年2月至2021年11月来我院急诊就诊的踝关节急性扭伤患者共26例(26个踝关节)。上述受试均行MRI检查,扫描序列包括常规2D及3D view T2联合压缩感知序列。应用Mann-Whitney U检验评价常规序列及3D view序列的扫描时间、跟腱的信噪比及对比噪声比及评估患者在两序列下腓距前韧带、腓跟韧带、三角韧带、分歧韧带的损伤程度比较有无区别。应用Fisher确切概率法比较两序列对腓距前韧带、腓跟韧带、三角韧带、分歧韧带损伤的检出率有无差别。结果共纳入踝关节扭伤患者26例,3D view+CS序列的扫描时间为376.2±0s,略短于常规序列(381.479±7.3s),两者无明显差别(Z=-1.396,P=0.163)。3D view序列跟腱信噪比明显高于2D常规序列(Z=-3.441,P=0.001);对比噪声比明显高于2D常规序列(Z=-6.094,P<0.01);跟腓韧带和分歧韧带的损伤程度明显高于2D常规序列(Z=-2.67,P=0.008;Z=-2.67,P<0.001)。两序列对于距腓前韧带和内侧三角韧带的损伤程度差异无统计学差别(P<0.05)。3D View+CS序列对分歧韧带损伤的检出率明显高于2D常规序列(P<0.001)。3D View+CS序列较2D常规序列对距腓前韧带、跟腓韧带、内侧三角韧带损伤的检出率无明显差别(P>0.05)。结论在3D View+CS序列与常规2D序列扫描时间相当的情况下,3D View+CS序列图像质量较常规2D序列更高,踝周韧带的检出率更高,并更准确地评估韧带损伤程度。Objective 3D View sequence combined with Compressed Sensing(CS)was used to observe the ligament injury of ankle sprain patients,and to explore whether 3D View sequence can improve the diagnostic efficiency compared with conventional 2D sequence.Methods A total of 26 cases(26 ankles)of acute ankle sprain in our hospital from February 2021 to November 2021 were prospectively analyzed by using 3D VIEW sequence combined with Compressed Sensing(CS)technology to observe the ligament injury of patients with ankle sprain.All the above subjects underwent MRI examination,and the scanning sequence included conventional 2D and 3D View T2 combined compressed sensing sequence.Mann-whitney U test was used to evaluate the difference in scanning time,signal-to-noise ratio and contrast noise ratio of the Achilles tendon between the conventional sequence and 3D View sequence,and to evaluate the difference in injury degree of the anterior fibular ligament,anterior fibular ligament,deltoid ligament and divergent ligament between the two sequences.Fisher's exact probability method was used to compare the detection rates of anterior fibular ligament,anterior fibular ligament,deltoid ligament and divergent ligament.Results A total of 26 patients with ankle sprain were included,and the scanning time of 3D VIEW+CS sequence was 376.2±0s,slightly shorter than that of conventional sequence(381.479±7.3s),with no significant difference between them(Z=-1.396,P=0.163).The Achilles tendon SNR of 3D VIEW sequence was significantly higher than that of 2D conventional sequence(Z=-3.441,P=0.001).The contrast noise ratio was significantly higher than that of 2D conventional sequence(Z=-6.094,P<0.01).The injury degree of calcaneal ligament and divergent ligament was significantly higher than that of 2D conventional sequence(Z=-2.67,P=0.008;Z=-2.67,P<0.001).There was no significant difference in the injury degree of anterior talofibular ligament and medial deltoid ligament between the two sequences(P>0.05).The detection rate of 3D View+CS sequence was

关 键 词：3D View 压缩感知 踝关节 韧带损伤 

分 类 号：R686[医药卫生—骨科学]