IR@PKUHSC  > 北京大学第三临床医学院  > 运动医学研究所
学科主题临床医学
MRI signal changes in completely healed meniscus confirmed by second-look arthroscopy after meniscal repair with bioabsorbable arrows
Miao, Yu; Yu, Jia-kuo; Zheng, Zhuo-zhao; Yu, Chang-long; Ao, Ying-fang; Gong, Xi; Wang, Yong-jian; Jiang, Dong
关键词MRI Meniscal repair Second-look arthroscopy Bioabsorbable arrow Accuracy
刊名KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY
2009-06-01
DOI10.1007/s00167-009-0728-x
17期:6页:622-630
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Orthopedics ; Sport Sciences ; Surgery
研究领域[WOS]Orthopedics ; Sport Sciences ; Surgery
关键词[WOS]HORIZONTAL SUTURE ; TEARS ; KNEE ; MENISCECTOMY ; DIAGNOSIS ; CONSEQUENCES ; IMPLANT
英文摘要

This study evaluated the MRI signal characteristics and MRI diagnostic accuracy in identifying completely healed menisci repaired with bioabsorbable arrows. A total of 34 patients (38 menisci), with a mean age of 26.0 years, underwent arthroscopic meniscal repair with bioabsorbable arrows and concomitant anterior cruciate ligament (ACL) reconstruction. Of the 34 patients, 27 were male and 7 were female. Of the 38 menisci, 27 were medial and 11 were lateral. Second-look arthroscopy was performed for each patient while taking out the hardware for ACL reconstruction of the tibial side to evaluate the healing status of the repaired menisci. Postoperative MRI was done 2 days before or after second-look arthroscopy. Sagittal T1, T2 and PD images and coronal T2 and PD images were used as the main diagnostic serials. Second-look arthroscopy showed that surfaces of the repaired sites of all 38 menici were almost smooth. In all 38 cases the tail ends of meniscus arrows disappeared and in four patients new overlying injury of compartmental cartilage at the repaired side was detected. MRI results revealed that different serials had different diagnostic accuracy. Sagittal: T1 28.9%, PD 34.2%, T2 60.5%. Coronal: PD 36.8%, T2 65.8%. The double sides Grade 3 signal had a higher proportion in saggital T1 and PD serials, 47.4 and 39.5%, respectively, while lower in sagittal and coronal T2 serials, both 5.3%. MRI diagnostic accuracy was correlated positively with the follow-up time (P < 0.05). MRI has its limitation in evaluating the status of menisci repaired with bioabsorbable arrows, especially for PD and T1 serials. T2 serials have higher diagnostic accuracy than other serials. MRI diagnostic accuracy can be improved by prolonging follow-up time and might be improved by further classifying Grade 3 signal in terms of signal intensity and the shape of the signal margin.

语种英语
WOS记录号WOS:000266482200009
资助机构Peking University Health Science Center
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/67567
专题北京大学第三临床医学院_运动医学研究所
北京大学第三临床医学院_骨科
北京大学口腔医学院_第二门诊部
作者单位Peking Univ, Inst Sports Med, Hosp 3, Beijing 100191, Peoples R China
推荐引用方式
GB/T 7714
Miao, Yu,Yu, Jia-kuo,Zheng, Zhuo-zhao,et al. MRI signal changes in completely healed meniscus confirmed by second-look arthroscopy after meniscal repair with bioabsorbable arrows[J]. KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY,2009,17(6):622-630.
APA Miao, Yu.,Yu, Jia-kuo.,Zheng, Zhuo-zhao.,Yu, Chang-long.,Ao, Ying-fang.,...&Jiang, Dong.(2009).MRI signal changes in completely healed meniscus confirmed by second-look arthroscopy after meniscal repair with bioabsorbable arrows.KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY,17(6),622-630.
MLA Miao, Yu,et al."MRI signal changes in completely healed meniscus confirmed by second-look arthroscopy after meniscal repair with bioabsorbable arrows".KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY 17.6(2009):622-630.
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