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Success of meniscal repair with early or immediate motion depends on the ability of the suture fixation to withstand the loads applied. Vertical and horizontal mattress suture techniques were tested using 2-0 Ethibond, and 0-PDS and 1-PDS sutures (Ethicon, Somerville, NJ). Mulberry knot technique was tested with 0-PDS and 1-PDS sutures. Twenty menisci (60 sutures) were tested for each suture material. Sutures were placed 3 to 4 mm from the peripheral edge of the meniscus with double barreled cannulas for vertical and horizontal mattress techniques or a spinal needle for the mulberry knot technique, reproducing clinical techniques of meniscal repair. Mechanical testing of suture fixation was performed to failure at a rate of 10 mm/min on a MTS material testing system (MTS Systems Corp. Minneapolis, MN). Suture pullouts were reported as the load displacement to failure from the inner fragment only, because clinical failure would ensue should a suture pull through the inner fragment of a tear. Vertical mattress technique with 1-PDS suture had significantly greater load to failure than any other combination (P < .05). Analysis of variance showed that the vertical mattress technique had statistically superior pullout strength (P < .0001) compared with the horizontal mattress and mulberry knot techniques, which were statistically similar. There were significant differences (P < .0001) between suture types, with 1-PDS proving best compared with 0-PDS, which was stronger than 2-0 Ethibond. Selection of suture material had the greatest impact on vertical mattress load to failure and was not important to the strength of the other techniques. 相似文献
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A case of meniscal ossicles occurring in the left knee of a 23-year-old woman is presented. Radiographs showed two calcified
lesions at the posteromedial aspect of the knee which were interpreted as loose bodies. Sonography, computed tomography arthrography
and magnetic resonance imaging showed the fragments within the posterior horn of the medial meniscus permitting a diagnosis
of meniscal ossicles. These techniques can detect meniscal ossicles and exclude intra-articular loose bodies.
Received: 7 February 2000 Revision requested: 14 March 2000 Revision received: 18 April 2000 Accepted: 24 April 2000 相似文献
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Camila Cohen Kaleka Pedro Debieux Diego da Costa Astur Gustavo Gonçalves Arliani Moisés Cohen 《Current reviews in musculoskeletal medicine》2014,7(3):247-255
The preservation of meniscal tissue is paramount for long-term joint function, especially in younger patients who are athletically active. Many studies have reported encouraging results following the repair of meniscus tears, including both simple longitudinal tears located in the periphery and complex multiplanar tears that extend into the central third avascular region. However, most types of meniscal lesions are managed with a partial meniscectomy. Options to restore the meniscus range from an allograft transplantation to the use of synthetic and biological technologies. Recent studies have demonstrated good long-term outcomes with meniscal allograft transplantation, although the indications and techniques continue to evolve, and the long-term chondroprotective potential of this approach has yet to be determined. Several synthetic implants, most of which are approved in the European market, have shown some promise for replacing part of or the entire meniscus, including collagen meniscal implants, hydrogels, and polymer scaffolds. Currently, there is no ideal implant generated by means of tissue engineering. However, meniscus tissue engineering is a fast developing field that promises to develop an implant that mimics the histologic and biomechanical properties of a native meniscus. 相似文献
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目的:分析探讨关节镜下减压术治疗膝关节半月板囊肿的临床效果。方法选取该院2012年12月—2013年12月收治的膝关节半月板囊肿患者72例,采用膝关节镜下内减压术及半月板部分或全部切除或缝合治疗,术后指导患者进行膝关节功能锻炼。对所有患者进行随访,术前术后均进行膝关节Lysholm 功能评分,对比观察疗效。结果术前Lysholm 功能评分为(58.6±9.2)分,明显高于术后评分(93.3±4.6)分,术前术后评分对比t=18.167,P<0.05,差异有统计学意义。结论关节镜下减压术及切除或缝合半月板治疗膝关节半月板囊肿具有非常好的疗效,创伤较小,术后患者的膝关节功能恢复情况良好,可以显著提高患者的生活质量,对膝关节稳定性及生理功能干扰较小,值得临床大力推广。 相似文献
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Haroon Majeed SaravanaVail Karuppiah Kohila Vani Sigamoney Guido Geutjens Robert G. Straw 《Journal of orthopaedics and traumatology》2015,16(3):245-249
BackgroundMeniscal injury is currently a well-recognized source of knee dysfunction. While it would be ideal to repair all meniscus tears, the failure rate is significantly high, although it may be reduced by careful selection of the patients. Our objective was to assess the outcome of meniscal repair surgery and the role of simultaneous reconstruction of the anterior cruciate ligament (ACL).Results136 Meniscal repairs were performed in 122 patients with a mean age of 26.8 years. Mean follow-up duration was 9 months. 63 % of the patients underwent medial and 37 % underwent lateral meniscal repair, with failure rates of 19 % for medial and 12 % for lateral menisci. Ligament injuries were found in 61 % of the patients (n = 83). Failure of meniscal repair occurred in 14.5 % (n = 12) of the patients who had early ACL reconstruction and in 27 % (n = 22) of the patients who had delayed ACL reconstruction (p = 0.0006). The failure rate was found to be 13 % in patients who were younger than 25 years (61 %) and 15 % in patients who were older than 25 years (39 %).ConclusionThe success rate of meniscal repair was found to be significantly better when ACL reconstruction was performed simultaneously with meniscal repair.
Level of evidence
Level IV. 相似文献10.
Jin Zhang Guan-Yang Song Xing-Zuo Chen Yue Li Xu Li Jun-Lin Zhou 《中华医学杂志(英文版)》2015,128(10):1370-1375