中国实用医刊杂志   部级期刊

摘要：目的 观察镁合金在动物体内的生物相容性及其在体内的降解和新骨形成情况.方法 取32只中国种健康成年大白兔,随机分为两组:无羟基磷灰石(HA)涂层镁合金组(A组);有羟基磷灰石涂层镁合金组(B组).于动物左股骨髁部钻洞ψ3.5 mm×9 mm,分别将两组镁合金圆柱体(ψ 3.5 mm×9 mm)植入.于术前第1天,术后第8、12、16、24周检测静脉血、尿中镁离子浓度,天门冬氨酸氨基转移酶、白蛋白、尿素、肌酐水平.于术后第1、4、8、12、16、24周对植入材料部位拍摄X线片.取股骨髁部做Micro-CT分析,取心脏、肝脏、脾脏、肾脏和股骨髁部行病理分析.结果 两组材料血、尿中镁离子浓度波动不大,均在正常值范围.内脏组织病理结果均正常,各项生化指标变化差异无统计学意义.有涂层组周围新骨生成多且与材料结合紧密,镁合金棒降解较慢.结论 有涂层镁合金具有良好的生物相容性,在动物体内降解较慢,且周围有大量新骨形成. Abstract： Objective To investigate the biocompatibility degradation and bone formation in vivo to implant the bio-magnesium alloys in rabbit. Methods A total of 32 China rabbits were randomly divided into magnesium alloys without hydroxyapatite(HA) coatings group( group A) and magnesium alloys with hydroxyapatite (HA) coatings group ( group B ). The left condyles of femur were drilled ( ψ 3.5 mm ×9 mm)and separately implanted with different magnesium alloys. The concentrations of magnesiumionion in blood and urine, the levels of serum glutamic-oxalacetic transaminase, albumin, urea nitrogen and urine creatinine were measured at 1 day pre-operatively ,8,12,16 and 24 weeks post- operatively. The magnesium alloys samples were photographed by X -ray at 1,4,8,12,16 and 24 weeks post -implantations,and then condyles of femur were obtained and analyzed using Micro -CT, tissues of heart, liver, spleen,kidney and condyles of femur were used for pathological analysis. Results There were no

摘要：目的 探讨LISS钢板在胫骨远端复杂骨折中的应用价值和手术方法.方法 2007年5月至2008年10月采用LISS钢板经皮微创治疗胫骨远端粉碎性骨折32例,观察术后骨折愈合情况、并发症及膝关节功能.结果 32例平均随访时间8个月,骨折全部愈合,平均时间6.2个月.术后骨折对位良好,内固定无松动、断裂等并发症,踝关节功能无障碍.结论 LISS接骨板治疗胫骨远端粉碎性骨折具有创伤小、固定可靠、并发症少、踝关节功能恢复好等优点. Abstract： Objective To evaluate the methods and applied value of minimally invasive percutaneoes plate osteosynthesis(MIPPO) with LISS plate for distal tibial fracture. Methods Thirty-two patients with distal tibial fracture were treated with LISS plate by MIPPO from May 2007 to December 2008. The postoperative union of fracture, complications and function of knee were observed. Results All 32 cases were followed up for average 8 months, and had recovered with healing in averge 6.2 months. There were no complications such as loosening or breakage of plate or screw and functional disturbance of ankle. Conclusions The LISS plate in the treatment of distal tibial fracture by MIPPO technique has advantages of little trauma, fast fixation, few complications and satisfied joint fuction.

摘要：目的 探讨骨髓干细胞移植和伞状支撑骨移植治疗股骨头坏死的效果.方法 取6只健康山羊,采用液氮冷冻法制作单侧股骨头坏死动物模型,8周后在坏死侧行骨髓干细胞移植和伞状支撑骨移植术.分别于术后3、6个月做放射学检查,观察股骨头内骨质变化.结果 实验动物一般状况良好.液氮冷冻法8周后达成股骨头坏死模型,模型侧后肢出现跛行.骨髓干细胞移植和伞状支撑骨移植术后3个月X线显示,股骨头外形恢复,股骨头内囊性低密度区消失,可见骨柱影,股骨头内骨质愈合状况良好,原塌陷已修复,股骨头无再塌陷.6个月时,治疗侧股骨头外形正常,骨密度基本均匀,骨柱影已模糊,植骨已融合,股骨头无再塌陷.正常对照侧股骨头无异常变化.结论 骨髓干细胞移植和伞状支撑骨移植术可以有效治疗骨坏死,防治股骨头塌陷,效果良好. Abstract： Objective To study the usefulness to treat the osteonecrosis of the femoral head (ONFH) with bone marrow mesenchymal stem cell transplantation and umbrella strut bone grafting. Methods Six goats were established of osteonecrosis of the femoral head models on one side by method of liquid nitrogen frozen, and then they were taken into bone marrow mesenchymal stem cell transplantation and umbrella strut bone grafting after 8 weeks. The radiological examination was made at 3 and 6 months after the bong grafting, and observed changes of bone union in the femoral head. Results The general state of the experimental animal was fine after the operation. The model of ONFH was reached on 8 weeks after liquid nitrogen frozen, and limping. After 3 months of bone marrow mesenchymal stem cell transplantation and umbrella strut bone grafting, X-ray film showed that low bone density disappeared, the shape of the femoral heads, grafting strut bone and initial bone union were fine in the head, and no repeated collapse of the head. The X-ray film showed that the shape of the femoral heads was no

摘要：目的 研究自体富含血小板血浆(PRP)和牛骨形态发生蛋白(bBMP)对兔桡骨缺损区骨组织代谢的影响和促进骨缺损修复的能力.方法 成年新西兰白兔36只,随机分为A、B、C三组,每组12只.A组取右侧桡骨中段2.0 cm节段性骨缺损处植入复合型组织工程骨(PRP+FG+bBMP);B、C两组右侧桡骨缺损处分别植入复合材料(PRP+FG)和复合材料(bBMP+FG).分别于术后4、8、12周各取4只兔子进行计算机图像分析、X线片和组织学切片检查.结果 A组动物实验侧新生骨在骨缺损区所占的面积百分比在4、8、12周时明显高于B、C两组(P＜0.05);B组动物新生骨在骨缺损区所占的面积百分比在术后8周、12周均多于C组(P＜0.05).结论 PRP与bBMP单独或复合应用均能促进桡骨骨缺损处新骨的生长,但三者联合应用促进骨缺损处新骨的形成效果更明显. Abstract： Objective An animal study was carried out to investigate the influence of platelet-rich plasma(PRP) and bovine bone morphogenetic proteins( bBMP)on the bone regeneration of radius defects in rabbits. Methods Thirty-six New Zealand white rabbits were divided randomly into 3 groups: A,B and C. All animals underwent general anesthesia and a 20 mm defects were made in the right radius bone. Implantation of bBMP and PRP with fibrin glue was done in group A,PRP with fibrin glue in group B,bBMP with fibrin glue in group C respectively. The animals were killed after 4,8 and 12 weeks. The specimens were observed by computer graphic analysis, X-ray and histological examination. The results were compared between the three groups. Results At 4,8 and 12 weeks after surgery, area ratio of newly-formed bone on the surface area of radius defects in group A was significantly higher than that group B and C. Area ratio of newly-formed bone on the radius in group B was significantly higher than that on the radius in group C at 8 to 12 weeks after surgery. Conclusions This study shows that the PRP and bBMP being used respectively

摘要：目的 研究带蒂筋膜瓣包裹大段组织工程骨的长期成骨效果.方法 新西兰大白兔36只,每只兔双侧桡骨制作1.5 cm骨缺损,将组织工程骨植入骨缺损处,左侧用带蒂筋膜瓣将之包裹作为实验组,右侧不用带蒂筋膜瓣包裹作为对照组.术后早期2、4、6、8、12周行X线、ECT、组织学等手段检测;远期在术后6、12个月行X线及组织学检查,评价骨缺损修复情况.结果 术后早期标本的大体观察和组织学观察看,在各个时间段,实验组的骨痂生成和血管化成度均优于对照组,从X线片和ECT可以看出,术后2周实验组和对照组比较差异无统计学意义,以后的各个时间段,实验组的骨修复效果均明显优于对照组;远期X线和组织学显示组织工程骨与兔桡骨牢固愈合,并开始塑形且出现髓腔再通,β-TCP在体内逐渐被吸收,自身架构消失.结论 早期采用筋膜瓣包裹的方法能够显著提高组织工程骨修复大段骨缺损的能力,远期组织工程骨可以完全修复兔大段骨缺损,形成正常骨组织并发挥功能. Abstract： Objective To investigate the long-term osteogenesis effects of large tissue engineered bone wraped up by blood supplied fascia. Methods Thirety -six New Zealand rabbits were subjected to operations to induce a 1.5 cm defect in rabbit' s two radiuses, which was filled subsequently with tissue engineered bone. The tissue engineering bone were wraped up by blood supplied fascia in rabbit's left radius, as the experimental group, the treatment wasn' t done to right radius, as the control group. At 2,4,6,8and 12 weeks after operation, X-ray examination, radionuclide bone scan and histological examination, were carried out to judge the osteogenesis effects. The repaired defects were evaluated by X-ray and histological examination at 6th , 12th month postoperation. Results In the early stage, gross observation and histology showed batter osteotylus generation and revascularization within 12 weeks postop-eratively ex

摘要：目的 探讨全膝关节置换术前综合干预对术后治疗效果的影响.方法 选择在本院择期行全膝关节置换手术的患者80例,用抽签法随机分为试验组和对照组各40例.试验组术前接受心理干预、排尿功能及肢体功能恢复指导,对照组术前只接受一般指导,两组术后的恢复训练程序完全一致.两组病例在性别、年龄、病情、各脏器机能方面差异均无统计学意义(P＞0.05),比较术后心理状态、第一次排尿情况及术后第1、3个月末临床恢复效果评价.结果 试验组术后心理状态明显优于对照组,差异有统计学意义(P＜0.05);患者第1次能自行排尿的情况明显优于对照组,差异有统计学意义(P＜0.01);试验组第4周末恢复训练计划完成量多于对照组,差异有统计学意义(P＜0.05);术后第1、3个月时,试验组的置换膝关节功能评分均显著高于对照组,两组间差异有统计学意义(P＜0.05).结论 术前综合干预可提高术后肢体早期功能训练的效率,减少术后并发症,早日恢复肢体功能. Abstract： Objective To study the methods and effects of preoperative rehabilitation education and practice for total knee arthroplasty patients. Methods Eighty patients underwent total knee joint replacement or femoral head replacement were randomly divided into the experiment group and the control group. Urination exercise and rehabilitation education and practice was performed before operation in experiment group. The control group had none of the education and exercise. Harris score was used to evaluatethe knee joint functions of the patients in two groups respectively in 1 month and 6 months after operation. Results The mentality before operation in the experiment group was significantly better than that in the control group ( P ＜ 0.05 ) , for the first urination in the experiment group was significantly better than that in the control group( P ＜0.01 ), the Harris score of the two group had significant difference by the end

摘要：目的 分析MRI在肘关节损伤中的应用价值.方法 选择17例经临床或手术证实的肘关节损伤患者,进行T1W/FSE、T2W/FRFSE、STIR序列扫描,回顾性分析、总结其MRI表现.结果 17例均有不同程度骨质损伤,表现为网状、地图状稍长T1信号、等长或稍长T2信号.关节腔积液1例,内侧副韧带损伤5例,撕裂1例,外侧副韧带损伤3例,部分撕裂1例.损伤韧带表现为韧带不同程度增粗,但韧带连续性存在,正常低信号内出现不规则高信号;撕裂表现为韧带明显增粗,呈弥漫性高信号,韧带的连续性部分或完全中断.结论 MRI检查可很好地显示肘关节损伤的各种表现,可作为肘关节损伤检查的重要或首选手段. Abstract： Objective To analyze the MRI findings of elbow joint and assess its diagnosic value. Methods The MRI findings of 17 cases injured elbow joints confirmed clinically and surgically were retrospectively reviewed and evaluated. Results The tibia injury was detected in all, MRI appeared net or piecc-like long T1 and long T2 signal, and joint effusion in 7 cases. The tibial ligament sprains in 5 cases and tears in 1 cases, the fibular collateral ligaments sprains in 3 cases and tearsin 1 cases. MRI of contusive ligaments appeared as irregular hyperitensity in swoilen ligament but their continuity was not disturbed and teared ligament presented as diffusive hyperintensity and total or partial interruption in the injuried ligaments. Conclusions MRI image can accurately demonstrate the various appearances of elbow injury. MRI should be used as a routine or important method in diagnosis of elbow trauma.

摘要：目的 探讨全髋关节置换术中骨水泥对老年患者凝血功能的影响.方法 对2004年2月至2005年8月34例行骨水泥型全髋关节置换术患者的凝血功能相关指标进行检测,包括血浆凝血酶原时间(PT)、活化的部分凝血酶原时间(APTT)、血浆纤维蛋白原(FIB)及鱼精蛋白副凝固实验(3P试验),分别于注入骨水泥前5 min、注入骨水泥后30 min及3 h各检测1次.所有数据进行统计学处理.结果 注入骨水泥后30 min PT值较注入前5 min显著缩短(P＜0.05);而注入骨水泥后3 h PT值与注入后30 min比较,显著回升(P＜0.05).FIB含量在注入骨水泥后30 min较注入前5 min明显增高(P＜0.05);注入骨水泥后3 h与注入后30 min比较差异有统计学意义(P＜0.05).3P试验阳性率,注入骨水泥后30 min与注入前5 min比较差异有统计学意义(P＜0.05).APTT在该实验中影响不太明显,注入骨水泥3 h后各项指标基本恢复.结论 全髋关节置换术中注入骨水泥30 min后PT缩短,FIB增高,3P试验的阳性率升高,但在3 h后骨水泥对这些指标的影响基本消除,提示注入骨水泥后的3 h内是监测病情的重要时段,在注入骨水泥后,老年患者凝血系统虽有高凝倾向,但各相关指数仍在正常范围内. Abstract： Objective To assess the effects of bone cement implantation on coagulation functions during the total hip arthroplasty in elderly patients. Methods Thirty-four patients admitted to our hospital between February 2004 and August 2005 involved in this study. The relative parameters were observed in all patients, including prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (FIB) and plasma protamine paracoagulation test (3P test). Blood samples were measured 5 minutes before, 30 minutes and 3 hours after bone cement implantation. All data were analyzed with Medical Statistics Software. Results PT significantly decreased at 30 minutes after bone cement implantation, compared with 5 minutes before implantation ( P

摘要：目的 比较椎间盘镜下椎间融合术与传统开放内固定腰椎后路融合术对退变性腰椎不稳的治疗效果.方法 选择该院2005年3月至2008年11月单节段腰椎不稳患者60例,随机分为开放组与MED组,各30例,观察手术切口长度、手术出血量、手术时间,并于椎间融合后4～6个月进行疗效评定.结果 MED组与开放组比较,患者切口小、术中出血量少、住院天数少、手术时间短(P＜0.05).术后MED组疗效优的病例显著多于常规开放组(P＜0.05).结论 椎间盘镜选择性应用于椎间融合治疗退变性腰椎不稳较开放性手术,具有创伤小、出血少、并发症少、康复快和疗效好等特点. Abstract： Objective To compare the posterior lumbar interbody fusion operation by micro -en-doscopic discec-tomy(MED) surgical system and by opening operation in patients with spondylolithesis resulted from lumbar disc decay. Methods Sixty patients with spondylolithesis resulted from lumbar disc decay during March 2005 and November 2008 were enrolled and randomly divided into two groups, the group treated with the posterior lumbar interbody fusion operation by MED surgical system and the group treated with the operation by opening operation. The length of operative incision,the volume of bleeding,the operation time and the therapeutic efficacy after operation were evaluated. Results The length of operative incision,the volume of bleeding and the operation time of the group treated with the posterior lumbar interbody fusion operation by MED surgical system were significantly lower than those of the group treated with the operation by opening operation (P ＜ 0. 05 ) and the therapeutic efficacy was significantly better than that of the group treated with the operation by opening operation ( P ＜ 0. 05). Conclusions The posterior lumbar interbody fusion operation by MED surgical system to treat the patients with spondy-lolithesis resulted from lumbar disc decay is simple and efficient and is of less trauma,rapid r

摘要：目的 探讨全髋关节置换术后脱位原因及防治措施.方法 选择350例全髋关节置换术患者,进行侧卧外展试验和放射学测量,分析术后脱位的原因.结果 350例全髋关节置换术后6个月共发生脱位15例.首次置换与翻修手术脱位率比较差异有统计学意义(P＜0.01);侧卧外展试验阳性患者与试验阴性患者脱位率比较差异有统计学意义(P＜0.05);测量术后X线臼杯安放位置在安全区内与在安全区外脱位率比较,两者差异有统计学意义(P＜0.01);使用具有防脱位高边的髋臼假体患者与使用普通髋臼假体患者脱位率比较,两者差异有统计学意义(P＜0.05);使用直径为28 mm的股骨头假体患者与直径＜28 mm的股骨头假体患者脱位率比较,两者差异有统计学意义(P＜0.05);经后外侧入路手术患者与经后外侧入路并保留关节囊患者脱位率比较,两者差异有统计学意义(P＜0.05);不同年龄、体重、性别的患者术后脱位率差异无统计学意义.结论 全髋关节置换术后脱位与假体的放置位置、组织肌力平衡、手术是否保留关节囊、假体设计、是否翻修等因素有关,而与年龄、性别、体重等因素无关.精确的假体置入,术后完善的护理可有效降低脱位发生率.一旦发生早期脱位,应及早复位,对于反复出现的脱位,明确病因,积极手术治疗. Abstract： Objective To investigate the cause and prevention of postoperative dislocation after total hip replacement. Methods Radiographic measurement and side lying abduction test were used in 350 patients to determine the influence of patient-related and operative factors and the position of the acetabular component on the rate of dislocation. Results Dislocation occurred in 15 of 350 after total hip arthroplasties: 12 of 255 primary procedures and 3 of 26 revisions and the defference was statistically significant( P ＜ 0. 01 ). The dislocation rate of patients, with a positiven side lying abduction test was 6. 1

摘要：目的 研究腰腿痛患者腰椎关节突关节角与关节突关节骨关节炎的关系.方法 通过54例腰腿痛患者的腰椎X线片和3.0MRI观察关节突关节骨关节炎状况和测定关节突关节角度.结果 腰椎关节突关节角的变化与关节突关节骨关节炎有关,随着关节突关节矢状位角度的增大,关节突关节骨关节炎表现越严重.结论 腰椎关节突关节角矢状位角度及不对称性的增加是关节突关节骨关节炎形成的危险因素之一. Abstract： Objective To investigate the relation between lumbar facet joint orientation and facet joint osteoarthritis in patients with lumbocrural pain. Methods To observe the clinical manifestation of facet joint osteoarthritis and measure the facet joint angle in 54 cases with lumbocrural pain by lumbar plain radiograph and 3.0 MRI. Results The changed orientation of facet joints had close relation with facet joint osteoarthritis, for with the sagittal angle of facet joint increasing, the clinical manifestation of facet joint osteoarthritis were more serious. Conclusions The increasement of sagittal orientation and asymmetry of lumbar facet joint can be a risk factor of facet joint osteoarthritis.

摘要：目的 探讨用可吸收拉力螺钉治疗胫骨平台后髁骨折的临床疗效.方法 自2004年3月至2008年6月采用可吸收拉力螺钉治疗12例胫骨平台后髁骨折患者.其中后外髁骨折4例,后内髁骨折8例;伴有前交叉韧带损伤7例.通过膝关节后内侧或后外侧切口复位骨折,可吸收拉力螺钉固定.结果 本组所有患者都得到随访,随访时间6～24个月,平均13.4个月,所有患者切口愈合良好,未见感染情况.骨折均获得骨性愈合,平均愈合时间4个月.膝关节功能评定按Hohl评分标准:优10例,良2例.关节面未见明显塌陷情况.结论 吸收拉力螺钉治疗胫骨平台后髁骨折是有效的临床治疗方法. Abstract： Objective To evaluate the clinical effects of absorbable screw in the treatment of posterior condylar tibial plateau fractures. Methods Twelve patients with posterior condylar tibial plateau fractures were treated with absorbable screw from March 2004 to June 2008. In all patients, there were 4 cases with post-lateral condyle fractures and 8 cases with post-medial condyle fractures, and 7 cases with anterior cruciate ligament(ACL) injure. Open reduction by posterior medial or lateral approach and internal fixation with absorbable screw were performed in all patients. Results All patients were followed up for an average of 13.4 months ( ranged 6 to 24 months). No complication such as skin necrosis or wound infection was found postoperatively. All patients got bone union, the average time need four months. According to Hohl score of the knee joint function, 10 cases were excellent result and 2 cases were good. No joint surface collapse was found. Conclusions It' s a good method to treat posterior condylar tibial plateau fractures with absorbable screw.

摘要：目的 探讨颈椎钩椎关节切除,前路减压、椎体间融合治疗神经根型颈椎病的方法.方法 从2005年3月至2007年10月,共实施颈椎前路减压、钩椎关节骨赘切除40例,所有患者均采用颈椎前路减压、钩椎关节切除、自体髂骨移植和钛合金钢板内固定.为了分析这一术式的疗效,回访经手术治疗的40例神经根型颈椎病患者,并对这些患者进行了手术前和手术后6个月的神经功能评定和影像学评价,神经功能评定参考日本骨科学会(JOA)的颈椎病评分标准.结果 40例患者全部进行了疗效评价.手术时间90～30 min,出血量300～600 ml,所有患者手术后神经功能JOA评分均有所提高,手术前JOA评分平均为7.0,手术后JOA评分平均为12.3,手术后X线检查发现移植骨全部实现骨融合,未发现内固定物断裂和螺丝钉松动.本组病例未出现脊髓和神经损伤.结论 钩椎关节骨赘切除、前路减压、自体髂骨移植、钛合金钢板内固定椎体间融合治疗神经根型颈椎病术式创伤小、操作简单、安全、成功率高,术后神经功能改善,患者生活质量提高. Abstract： Objective To explore a new, modified surgical technique for removement of luschks joint osteophytes, anterior decompression and intervertebrae fusion for cervical spondylotic radiculopathy.Methods From Mar. 2005 to Oct. 2007, 40 patients with cervical spondylotic radiculopathy underwent anterior decompression and removement of luschks joint osteophytes at our hospital. All were given anterior decompression,removement of Luschks joint osteophytes,iliac bone autograft and internal fixation with titanium plates.The procedure and clinical results are discussed. To assess the efficacy of this technique, a retrospective review of neurological and radiological outcomes after operation was conducted. Neurological outcomes were evaluated according to the Japanese Orthopaedic Association (JOA) scores. Surgery -related outcome was assessed in all patients who atte

摘要：目的 探讨桡神经第二掌背支携筋膜蒂逆行岛状皮瓣修复指背骨外露的临床效果.方法 以桡神经第二掌背支携筋膜蒂逆行岛状皮瓣修复食指和中指中节指背骨外露患者共3例,观察皮瓣的成活率、质地、色泽.结果 随访3～24个月,平均18个月.3例皮瓣全部顺利成活,指端创面均获得覆盖;供区创面顺利愈合;皮瓣质地、弹性均正常,皮色与受区一致,无溃疡发生.结论 桡神经第二掌背支携筋膜蒂逆行岛状皮瓣修复指背骨外露具有操作相对简单、安全,皮瓣质地、色泽与受区一致等优点. Abstract： Objective To explore the clinical effect of reparing the bone exposure of finger back with a reverse island flap of the second metacarpal dorsal nerve of superficial radial nerve together with fascial pedicle.Methods Three cases with the bone exposure of finger back were repaired with a reverse island flap of the second metacarpal dorsal nerve of superficial radial nerve together with fascial pedicle.Then the survival rate, texture, and colour of the flaps were observed.Results All cases were followed up from 3 to 24 months (with the mean of 18 months).The flaps totally survivied in 3 cases, the bone exposure were repaired excellently.The raw surface of donor site were repaired.The flaps possessed good texture and flexibility.The flaps possess good quality and their colour match the recipient site.Conclusions The reverse island flap of the second metacarpal dorsal nerve of superficial radial nerve together with fascial pedicle is alternative to repair the bone exposure of finger back.The operation is easy and safe.

摘要：目的 探讨膝关节镜下青少年盘状半月板损伤的形态、治疗方法及疗效分析.方法 对38例盘状半月板损伤患者,年龄9～30岁,平均17岁,行关节镜下盘状半月板损伤缝合成形术.随访时间13～24个月,平均16个月,并进行术前术后疗效分析.结果 患者术前交锁、疼痛症状消失,关节功能恢复良好,无其他并发症.术后3个月MRI示半月板愈合良好,所有患者术前Lysholm膝关节功能评分(54±4)分,术后(87±4)分,二者比较差异有统计学意义(P＜0.01).结论 关节镜下青少年盘状半月板缝合成形术可以获得良好的效果,是治疗青少年膝关节盘状半月板损伤的良好选择. Abstract： Objective To study the shape, treatment and results of discoid meniscus injuries in adolescents under arthroscopy.Methods The discoid meniscus diagnosed of 38 cases(9 -30 years, 17 years old on average) have been the operation of repairing and plasty by arthroscopy.The preoperotive and postoperative effectiveness analysis was followed up 13 to 24 months (mean, 16 months) in adolescents.Results The preoperative main symptoms all disappeared with no other complicating disease.All the injured meniscus reached clinical healing by MRI 3 months later.There was significant difference in the ayerage Lysholm score of all patients between preoperative ( 54 ± 4 ) and ( 87 ± 4 ) postoperative ( P ＜0.01 ).Conclusions In adolescents arthroscopic discoid meniscus repairing and plasty can get a good effect.It is better to chose this method to treat discoid meniscus injury in adolescents.