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自制齿状钩钢板治疗后交叉韧带胫骨止点撕脱骨折

目的总结自制齿状钩钢板治疗后交叉韧带（posterior cruciate ligament，PCL）胫骨止点撕脱骨折的疗效。 方法2012 年 11 月—2016 年 4 月，采用自制齿状钩钢板治疗 PCL 胫骨止点撕脱骨折 11 例。其中男 6 例，女 5 例；年龄 37～63 岁，平均 48.5 岁。致伤原因：交通事故伤 4 例，高处坠落伤 2 例，跌伤 5 例；均为新鲜骨折，受伤至手术时间 3～11 d，平均 5.2 d。骨折按 Meyer-McKeever 分型：Ⅱ型 4 例，Ⅲ型 7 例。术前膝关节屈曲活动度 40～90°，平均 65.9°。术前 Lysholm 评分 50～69 分，平均 58.5 分。 结果术后切口均Ⅰ期愈合。11 例患者均获随访，随访时间 6～20 个月，平均 11 个月。术后 3 个月 X 线片示患者骨折均愈合，骨折端无明显移位。术后 6 个月，患肢膝关节屈曲活动度达 115～130°，平均 121.8°；膝关节后抽屉试验均呈阴性，未见膝关节伸直功能障碍及腘窝部血管、神经损伤并发症；Lysholm 评分为 85～99 分，平均 92.8 分。 结论自制齿状钩钢板治疗 PCL 胫骨止点撕脱骨折可行，操作简便、固定效果可靠，术后疗效满意。

EFFECTIVENESS COMPARISON OF TRIPLE ENDOBUTTONS AND CLAVICULAR HOOK PLATE FOR TREATMENT OF FRESH ACROMIOCLAVICULAR JOINT DISLOCATION

ObjectiveTo compare the effectiveness of triple Endobuttons and clavicular hook plate fixation in the treatment of fresh acromioclavicular joint dislocation (Rockwood type III-V). MethodsBetween February 2008 and October 2010, 40 patients with fresh acromioclavicular joint dislocation (Rockwood type III-V) were treated with triple Endobuttons in 18 cases (trial group) and with clavicular hook plate in 22 cases (control group). There was no significant difference in gender, age, disease duration, joint dislocation classification, preoperative visual analogue scale (VAS) score and Constant-Murley score between 2 groups (P gt; 0.05). ResultsAfter operation, wound healed by first intention with no early complication of infection or neurovascular injury. The patients were followed up 12-20 months (mean, 15.8 months) in trial group and 13-24 months (mean, 17.2 months) in control group. Significant differences were found in the VAS score and Constant-Murley score at the last follow-up between 2 groups (P lt; 0.05). X-ray films showed no loosening of internal fixators or hook displacement occurred. No re-dislocation was observed. ConclusionTriple Endobuttons has less shoulder pain and better shoulder motion than clavicular hook plate, so it is an effective method of treating Rockwood type III-V fresh acromioclavicular joint dislocation.

TREATMENT OF FRESH TOSSY TYPE III ACROMIOCLAVICULAR JOINT DISLOCATIONS AND NEER TYPE II DISTAL CLAVICLE FRACTURES WITH CLAVICULAR HOOK PLATE

Objective To investigate the cl inical efficacy, compl ications and necessity of removing internal fixation in treatment of fresh Tossy type III acromioclavicular joint dislocations and Neer type II distal clavicle fractures with clavicularhook plate. Methods From June 2005 to June 2008, 24 patients with fresh Tossy type III acromioclavicular joint dislocations and 20 patients with fresh Neer type II distal clavicle fractures were treated. There were 32 males and 12 females with an agerange of 18-66 years (38.5 years on average), involving 18 left shoulders and 26 right shoulders. The injury was caused bytraffic accident in 31 cases and by fall ing in 13 cases. The mean time from injury to operation was 4 days (range, 2-8 days). All patients were treated by reduction with clavicular hook plate fixation. The coracoclavicular l igaments were not sutured. The shoulder functions were evaluated according to University of Cal ifornia-Los Angeles (UCLA) score system and analysed before and after removing internal fixation. Results Wound infection occurred in 2 cases 1 week after operation and healed after symptomatic managment, the other incisions healed by first intention. One case accepted hook plate fixation again because of loosening hooking-up 1 week after operation. One case accepted hook plate removal and Kirschner wire fixation because of severe shoulder’s pain on the postoperative third day. Thirty-eight patients were followed up for 8-32 months (18 months on average), there was no plate breakage. Clavicle fractures got bony union after 3-6 months (4.2 months on average). At last followup (before plate removal), according to UCLA shoulder function score system, the results were excellent in 11 cases, good in 22 cases, and fair in 5 cases; the excellent and good rate was 86.8%. Because of shoulder’s pain, plates were removed in 20 patients 3-16 months (10 months on average) after operation. The cases were followed up 3-8 months (5 months on average) after removing plate. No dislocation and fracture occurred again. There was statistically significant difference (P lt; 0.01) in the functional scores of shoulder between before (30.55 ± 4.00) and after removing internal fixation (33.85 ± 1.95). Conclusion Clavicular hook plate fixation is an effective treatment for fresh Tossy type III acromioclavicular joint dislocations and Neer type II distal claviclefractures. Normative operating, correct plate moulding, functional rehabil itation after operation are key factors in preventingcompl ications and reaching good cl inical efficacy. For the patients with postoperative symptoms, the plate should be removed to improve the shoulder’s function.

EFFECTIVENESS OF SHARP TEETH HOOK PLATE FOR TREATMENT OF OLECRANON FRACTURES

ObjectiveTo investigate the effectiveness of sharp teeth hook plate by cutting for the treatment of olecranon fractures by comparison with Kirschner wire tension belt and locking plate. MethodsBetween January 2011 and April 2015, 32 cases of olecranon fractures were treated. Fracture was fixed with sharp teeth hook plate by cutting in 12 cases (trial group) and with Kirschner wire tension belt or locking plate in 20 cases (control group). There was no significant difference in gender, age, side and type of fracture, and time from injury to operation between 2 groups (P > 0.05). The healing time of fractures and complications were recorded. At 1 year after operation, the subjective function results were evaluated according to Disability of Arm, Shoulder, and Hand (DASH) score, and objective function results by Mayo Elbow Score (MEPS); visual analogue scale (VAS) was used for elbow joint pain, and range of motion of flexion and extension of elbow joint was measured. ResultsAll incisions healed by first intention, with no vascular and nerve injuries. All patients were followed up 12-36 months with an average of 18 months. All fractures healed, and there was no significant difference in the healing time between 2 groups (P > 0.05). Loosening of Kirschner wire occurred in 2 cases of control group, but no loosening of internal fixation was observed in trial group after operation. There was no significant difference in the incidence of complications between 2 groups (P > 0.05). The DASH, MEPS, VAS score, and range of motion of flexion in trial group were superior to those in control group, showing significant differences (P < 0.05) at 1 year after operation. There was no significant difference in range of motion of extension between 2 groups (P > 0.05). ConclusionSharp teeth hook plate for treatment of olecranon fractures overcomes the shortcomings that Kirschner wire tension is easy to slide and locking plate has a compression effect on triceps tendon, so it has good effectiveness.

Clavicular hook plate with coracoclavicular ligament augmentation by suture anchor in the treatment of unstable distal clavicle fractures

ObjectiveTo evaluate the effectiveness of a clavicular hook plate with coracoclavicular ligament augmentation by suture anchor in the treatment of Neer types Ⅱ and Ⅴ distal clavicle fractures.MethodsBetween January 2010 and June 2016, 16 patients with Neer types Ⅱ and Ⅴ distal clavicle fractures were treated with clavicle hook plates and coracoclavicular ligament augmentation by suture anchor. There were 12 males and 4 females with an average age of 45.6 years (range, 14-81 years). The injury mechanism included falling in 10 cases, traffic accident injury in 2 cases, falling from height in 2 cases, and heavy object injury in 2 cases. The Neer classification of clavicle fractures included 2 cases of type Ⅱa, 13 cases of type Ⅱb, and 1 case of type Ⅴ. The injury severity score (ISS) was 6-29, with an average of 11.2. The time from injury to operation was 1-18 days, with an average of 6.4 days. The operation time, intraoperative blood loss, hospitalization stay, fracture healing, and postoperative complications were recorded; the disability of arm, shoulder, and hand (DASH) score, the shoulder joint Constant score, and the Oxford shoulder score (OSS) were used to evaluate the shoulder joint at last follow-up.ResultsAll operations were successfully completed. The operation time was 50-100 minutes, with an average of 75.6 minutes; intraoperative blood loss was 30-100 mL, with an average of 52.8 mL; hospitalization stay was 4-47 days, with an average of 13.7 days. All patients were followed up 1.2-7.5 years, with an average of 3.5 years. All clavicle fractures healed, and the healing time was 9.4-13.6 weeks, with an average of 11.9 weeks. No fracture nonunion, fracture displacement, failure of internal fixation, or incision infection, etc. occurred. Fifteen patients took out the hook plate after fracture healing and functional recovery, and 1 case refused to remove the hook plate from the second operation because of no obvious discomfort. At last follow-up, the DASH score was 0-13, with an average of 2.2; the shoulder joint Constant score was 90-100, with an average of 96.8; the OSS score was 12-14, with an average of 12.3.ConclusionClavicular hook plate with coracoclavicular ligament augmentation by suture anchor can help achieve good effectiveness with less postoperative complication in the treatment of Neer types Ⅱ and Ⅴ distal clavicular fractures.

Effectiveness of open reduction and locking compression hook plate in treatment of isolated humeral greater tuberosity fractures

Objective To observe the effectiveness of locking compression hook plate in treatment of humeral greater tuberosity fractures. Methods Between March 2014 and September 2017, 16 patients with isolated humeral greater tuberosity fractures were terated with open reduction and internal fixation with locking compression hook plates. There were 11 males and 5 females, with an average age of 38.4 years (range, 22-67 years). The cause of injury was falling injury in 13 cases and sport injury in 3 cases. All patients were closed fractures. Of all patients, 14 patients accompanied with shoulder joint dislocations. CT scan showed the average displacement of fragment was 12.6 mm (range, 8-21 mm) after reduction. All patients began passive functional exercise at 3 days after operation. Results Primary healing of the incisons achieved in all patients, without complications such as infection and nerve injury. All patients were followed up 12-20 months (mean, 15.3 months). At 3 months after operation, X-ray film showed that all fractures achieved bone union, all of which met the imaging anatomical reduction standard. According to the Neer scoring criteria, 11 cases were excellent and 5 cases were good at last follow-up. One patint presented slight pain of shoulder joint and mild activity limitation, which relieved after 1 year. Conclusion The method of open reduction and locking compression hook plate internal fixation for isolated humeral greater tuberosity fractures has advantages, such as less intraoperative hemorrhage, mild postoperative pain, firm fixation, and allowing patients to perform functional exercise earlier, which is conducive to shoulder functional recovery and obtain satisfactory effectiveness.

CLINICAL OBSERVATION OF STERNOCLAVICULAR JOINT DISLOCATION FIXED BY CLAVICULAR HOOKPLATE

Objective To analyze the treatment of the sternoclavicular joint dislocation by clavicular hook plate and investigate its cl inical value to find a theropy with more safety and stabil ity. Methods Between January 2003 and January 2007, 15 patients with sternoclavicular joint dislocation were involved, among whom there were 12 males and 3 females, aged 28-45 years old (34 on average). There were 12 cases of fall ing injury and 3 cases of vehicle accident injury. The course of disease was 1-12 hours. A total of 2 cases were on the left side and 13 were on the right side. There were 14 casesof anterior dislocation and 1 of posterior dislocation. Two patients were compl icated by acromioclavicular joint dislocationwith no pneumothorax, and 2 patients had a l ittle pleural effusion without any special treatment. As to the damage degree,according to the Grade system, there were 2 cases of type II and 13 cases of type III. Results All patients’ incisionsobtained heal ing by first intention after operation. The X-ray films showed that the reduction of joint dislocation and thelocation of internal fixation were good. All the 15 patients were followed up for 6-18 months (14 months on average). All cases were scored by Rockwood after the operation to assess the curative effect, with 12 excellent, 2 good and 1 fair. There was no wound infection, neurovascular injury, hemopneumothorax, internal fixation failure, redislocation or other side injuries. The anatomical structure as well as appearances and functions were restored. Conclusion The fixation of clavicular hook plate in treating ternoclavicular joint dislocation has superiority over other methods with more stabil ity, less risk and small chances of cardiovascular injury. Besides, the patients can do functional exercises early and the shoulder joint function can be improved to the maximal degree.

锁骨钩钢板治疗重度肩锁关节脱位15例

锁骨钩钢板的临床应用及并发症分析

目的 总结以锁骨钩钢板内固定治疗Neer Ⅱ型锁骨远端骨折和Tossy Ⅲ型肩锁关节脱位的临床应用效果及并发症。 方法 2005 年8 月－ 2010 年2 月，以锁骨钩钢板内固定治疗Neer Ⅱ型锁骨远端骨折20 例和TossyⅢ型肩锁关节脱位28 例，对临床应用效果及术后并发症进行回顾性分析。其中男30 例，女18 例；年龄20 ～ 64 岁，平均33.5 岁。交通事故伤36 例，坠落伤12 例。受伤至手术时间为2 ～ 10 d，平均4.5 d。 结果 术后所有患者切口均Ⅰ期愈合。48 例均获随访，随访时间6 ～ 24 个月，平均13.6 个月。术后发生脱钩2 例、断钩1 例、锁骨应力性骨折1 例、异位骨化1 例、锁骨上皮神经损伤1 例、肩部出现异响不适3 例，均经再手术或对症处理治愈或好转。按洛杉矶加利福尼亚大学（UCLA）肩关节等级评分评定疗效，获优15 例，良27 例，可6 例，优良率87.5%。38 例于术后9 ～ 24 个月取出内固定物，未出现再骨折或肩锁关节再脱位情况。 结论 以锁骨钩钢板内固定治疗Neer Ⅱ型锁骨远端骨折和Tossy Ⅲ型肩锁关节脱位疗效良好，但需注意处理其并发症。

带骨块喙肩韧带内移加锁骨钩钢板固定治疗 Tossy Ⅲ型肩锁关节脱位

目的  总结采用带肩峰骨块喙肩韧带内移加锁骨钩钢板固定治疗 Tossy Ⅲ型肩锁关节脱位的近期疗效。  方法  2003年6月－2008年3月，采用带肩峰骨块喙肩韧带内移重建喙锁韧带、肩锁关节锁骨钩钢板固定治疗35例Tossy Ⅲ型肩锁关节脱位。男24例，女11例；年龄17～58岁，平均32岁。车祸伤21例，摔伤10例，高处坠落伤4例。左侧 13 例，右侧 22 例。新鲜脱位 26 例，陈旧性脱位 9 例。受伤至手术时间 2 ～ 30 d，平均 9 d。  结果  术后切口Ⅰ期愈合 34 例，延期愈合 1 例。患者均获随访，随访时间 10 ～ 36 个月，平均 18 个月。术后钢板无松动、断裂，去除内固定后无肩锁关节再脱位、肩周肌肉萎缩及肩周炎发生。术后 10 个月肩关节功能参照 Lazzcano 标准评定：获优 31 例，良 4 例，优良率100%。   结论  采用带肩峰骨块喙肩韧带内移重建喙锁韧带、联合锁骨钩钢板固定治疗Tossy Ⅲ型肩锁关节脱位，手术操作简便，对肩部生理功能影响小，韧带重建可靠，内固定牢固，近期疗效满意。