胫骨结节-股骨滑车沟间距和胫骨平台最大轴径比值在髌骨不稳中的应用价值

doi:10.3969/j.issn.1007-3205.2021.04.007

河北医科大学学报 ›› 2021, Vol. 42 ›› Issue (4): 401-405.doi: 10.3969/j.issn.1007-3205.2021.04.007

胫骨结节-股骨滑车沟间距和胫骨平台最大轴径比值在髌骨不稳中的应用价值

1.冀中能源峰峰集团有限公司总医院邯郸院区骨三科，河北邯郸 056000；
2.冀中能源峰峰集团有限公司总医院邯郸院区骨五科，河北邯郸 056000

出版日期:2021-04-25 发布日期:2021-04-28
作者简介:张合(1977-),男，河北唐山人，冀中能源峰峰集团有限公司总医院副主任医师，医学硕士，从事骨关节疾病诊治研究。

Application value of the ratio of the tibial tubercle-trochlear groove distance to maximumaxis diameter of the tibial plateauin patellar instability

1.The Third Department of Orthopedics， the Handan Branch of Jizhong Energy Fengfeng Group Hospital，
Hebei Province， Handan 056000， China； 2.The Fifth Department of Orthopedics， the Handan Branch of
Jizhong Energy Fengfeng Group Hospital， Hebei Province， Handan 056000， China

Online:2021-04-25 Published:2021-04-28

摘要/Abstract

摘要： 目的探讨胫骨结节-股骨滑车沟(tibial tubercle- trochlear groove,TT-TG)间距和胫骨平台最大轴径比值在髌骨不稳中的应用价值。
方法选取健康对照组66例和髌骨不稳组45例的核磁影像资料进行分析。比较2组TT-TG、胫骨平台最大轴径、TT-TG间距和胫骨平台最大轴径比值。
结果 TT-TG间距在健康对照组为（12.133±3.226） mm，在髌骨不稳组为（18.638±3.228）mm(P＜0.05)。胫骨平台最大轴径在健康对照组为（71.933±8.751） mm，髌骨不稳患组为（68.442±6.091） mm(P＜0.05)。健康对照组TT-TG间距和胫骨平台最大轴径比值(0.167±0.031)小于髌骨不稳组(0.263±0.040)(P＜0.05)。健康对照组TT-TG间距在15~20 mm之间的例数为14例，其中有1例TT-TG间距和胫骨平台最大轴径比值＞0.23，占总数的1.5%(1/66)。髌骨不稳组TT-TG间距在15~20 mm之间的例数为27例，其中有2例TT-TG间距和胫骨平台最大轴径比值＜0.23，占总数的4.4%(2/45)。健康对照组胫骨结节-股骨滑车沟间距＜15 mm的例数为52例，其中有0例胫骨结节-股骨滑车沟间距和胫骨平台最大轴径比值＞0.23。髌骨不稳组TT-TG间距在＜15 mm的例数为6例，其中有3例TT-TG间距和胫骨平台最大轴径比值＜0.23，占总数6.7%(3/45)。
结论膝关节TT-TG间距和胫骨平台最大轴径比值是一种可靠的评价髌骨不稳的测量方法，降低了单纯以TT-TG间距评价髌骨不稳的假阳性率。TT-TG间距和胫骨平台最大轴径比值＞0.23提示髌骨不稳。

关键词: 髌骨, 胫骨, 治疗应用

Abstract: Objective To explore the application value of the ratio of the tibial tubercle-trochlear groove(TT-TG) distance to the tibial plateau maximum axis(TPMA) in patellar instability.
Methods A total of 45 patients with patellar instability as well as healthy people were collected and analyzed by MRI. The TT-TG distance, TPMA, the radio of the TT-TG distance to TPMA(TT-TG/TPMA ratio) were compared between the two groups.
Results The TT-TG distance was(12.133±3.226) mm in healthy control group and(18.638±3.228) mm in patellar instability group, and the difference between the two groups was statistically significant(P＜0.05). The TPMA between two groups was(71.933±8.751) mm in healthy control group, and(68.442±6.091) mm in patellar instability group, and the difference between the two groups was statistically significant(P＜0.05). The TT-TG/TPMA ratio was(0.167±0.031) in healthy control group, which was smaller than that(0.263±0.040) of patellar instability group(P＜0.05). There were 14 cases in the healthy control group whose TT-TG distance were from 15 to 20 mm, of which 1 case had TT-TG/TPMA ratio＞0.23, accounting for 1.5%(1/66) of the total.There were 27 cases in patellar group whose TT-TG distance were from 15 to 20 mm, of which 2 cases had TT-TG/TPMA ratio< 0.23, accounting for 4.4%(2/45) of the total. There were 52 cases with TT-TG distance less than 15 mm, of which 0 case had TT-TG/TPMA ratio＞0.23 in healthy control group. There were 6 cases with TT-TG distance less than 15 mm， of which 3 cases had TT-TG/TPMA ratio＜0.23, accounting for 6.7%(3/45) of the total.
Conclusion The TT-TG/TPMA ratio of knee joint is a reliable method to evaluate patellar instability, which reduces the false positive rate of the patellar instability only by TT-TG distance. The TT-TG/TPMA ratio＞0.23 indicates patellar instability.

Key words: patella, tibia, therapeutic uses

张合, 赵洪波, 兰志恒, 赵志光, 刘巍, 韩守江. 胫骨结节-股骨滑车沟间距和胫骨平台最大轴径比值在髌骨不稳中的应用价值[J]. 河北医科大学学报, 2021, 42(4): 401-405.

ZHANG He, ZHAO Hong-bo, LAN Zhi-heng, ZHAO Zhi-guang, LIU Wei, HAN Shou-jiang. Application value of the ratio of the tibial tubercle-trochlear groove distance to maximumaxis diameter of the tibial plateauin patellar instability[J]. Journal of Hebei Medical University, 2021, 42(4): 401-405.

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胫骨结节-股骨滑车沟间距和胫骨平台最大轴径比值在髌骨不稳中的应用价值

Application value of the ratio of the tibial tubercle-trochlear groove distance to maximumaxis diameter of the tibial plateauin patellar instability

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