Bipolar hip arthroplasty using conjoined tendon preserving posterior lateral approach in treatment of displaced femoral neck fractures

BACKGROUND Hip fractures account for 23.8%of all fractures in patients over the age of 75 years.More than half of these patients are older than 80 years.Bipolar hemiarthroplasty(BHA)was established as an effective management option for these patients.Various approaches can be used for the BHA procedure.However,there is a high risk of postoperative dislocation.The conjoined tendon-preserving posterior(CPP)lateral approach was introduced to reduce postoperative dislocation rates.AIM To evaluate the effectiveness and safety of the CPP lateral approach for BHA in elderly patients.METHODS We retrospectively analyzed medical data from 80 patients with displaced femoral neck fractures who underwent BHA.The patients were followed up for at least 1 year.Among the 80 patients,57(71.3%)were female.The time to operation averaged 2.3 d(range:1-5 d).The mean age was 80.5 years(range:67-90 years),and the mean body mass index was 24.9 kg/m^(2)(range:17-36 kg/m^(2)).According to the Garden classification,42.5%of patients were typeⅢand 57.5%of patients were typeⅣ.Uncemented bipolar hip prostheses were used for all patients.Torn conjoined tendons,dislocations,and adverse complications during and after surgery were recorded.RESULTS The mean postoperative follow-up time was 15.3 months(range:12-18 months).The average surgery time was 52 min(range:40-70 min)with an average blood loss of 120 mL(range:80-320 mL).The transfusion rate was 10%(8 of 80 patients).The gemellus inferior was torn in 4 patients(5%),while it was difficult to identify in 2 patients(2.5%)during surgery.The posterior capsule was punctured by the fractured femoral neck in 3 patients,but the conjoined tendon and the piriformis tendon remained intact.No patients had stem varus greater than 3 degrees or femoral fracture.There were no patients with stem subsidence more than 5 mm at the last follow-up.No postoperative dislocations were observed throughout the follow-up period.No significance was found between preoperative and postoperative mean Health Service System scores(87.30±2.98 vs 86.10±6.10,t=1.89,P=0.063).CONCLUSION The CPP lateral approach can effectively reduce the incidence of postoperative dislocation without increasing perioperative complications.For surgeons familiar with the posterior lateral approach,there is no need for additional surgical instruments,and it does not increase surgical difficulty.

Safety and efficacy of surgical hip dislocation in managing femoral head fractures: A systematic review and meta-analysis

BACKGROUND Femoral head fractures(FHFs)are considered relatively uncommon injuries;however,open reduction and internal fixation is preferred for most displaced fractures.Several surgical approaches had been utilized with controversial results;surgical hip dislocation(SHD)is among these approaches,with the reputation of being demanding and leading to higher complication rates.AIM To determine the efficacy and safety of SHD in managing FHFs by reviewing the results reported in the literature.METHODS Major databases including PubMed,Embase,Web of Science,and Cochrane Central Register of Controlled Trials were searched to identify studies reporting on outcomes of SHD utilized as an approach in treating FHFs.We extracted basic studies data,surgery-related data,functional outcomes,radiological outcomes,and postoperative complications.We calculated the mean differences for continuous data with 95%confidence intervals for each outcome and the odds ratio with 95%confidence intervals for binary outcomes.P<0.05 was considered significant.RESULTS Our search retrieved nine studies meeting our inclusion criteria,with a total of 129 FHFs.The results of our analysis revealed that the average operation time was 123.74 min,while the average blood loss was 491.89 mL.After an average followup of 38.4 mo,a satisfactory clinical outcome was achieved in 85%of patients,ranged from 30%to 86%,with avascular necrosis,heterotopic ossification,and osteoarthritis being the most common complications occurring at an incidence of 12%,25%,and 16%,respectively.Trochanteric flip osteotomy nonunion and trochanteric bursitis as a unique complication of SHD occurred at an incidence of 3.4%and 3.8%,respectively.CONCLUSION The integration of SHD approach for dealing with FHFs offered acceptable functional and radiological outcomes with a wide range of safety in regards to the hip joint vascularity and the development of avascular necrosis,the formation of heterotopic ossification,and the development of posttraumatic osteoarthritis;however,it still carries its unique risk of trochanteric flip osteotomy nonunion and persistent lateral thigh pain.

Closed reduction of hip dislocation associated with ipsilateral lower extremity fractures:A case report and review of the literature

BACKGROUND Traumatic hip dislocation usually occurs following high-velocity trauma.It is imperative that the dislocation be reduced in a timely manner,especially in a closed manner,as an orthopedic emergency.However,closed reduction can hardly be achieved in patients who also have ipsilateral lower extremity fractures.Herein,we focus on hip dislocation associated with ipsilateral lower extremity fractures,excluding intracapsular fractures(femoral head and neck fractures),present an early closed hip joint reduction method for this injury pattern,and review the literature to discuss the appropriate closed reduction technique for this rare injury pattern.CASE SUMMARY We report a case of a 37-year-old male who sustained a left acetabular posterior wall fracture,an ipsilateral comminuted subtrochanteric fracture and dislocation of the hip.The hip dislocation was reduced urgently in a closed manner using the joy-stick technique with a T-shaped Schanz screw.The fractures were reduced and fixed as a 2nd-stage surgery procedure.At the 17-month postoperative follow-up,the patient had full range of motion of the affected hip.CONCLUSION Closed reduction of a hip dislocation associated with ipsilateral lower extremity fractures is rarely achieved by regular maneuvers.Attempts at closed reduction,by means of indirectly controlling the proximal fracture fragment or reconstructing the femoral leverage rapidly with the aid of various external reduction apparatuses,were shown to be effective in some scenarios.Mandatory open reduction is indicated in cases of failed closed reduction,particularly in irreducible dislocations.

Total hip arthroplastyvs. osteosynthesis in acute complex acetabular fractures in the elderly:Evaluation of surgical management and outcomes

Objective: To retrospectively evaluate the open reduction internal fixation and total hip arthroplasty directions, results and complications associated with internal fixation in managing these fractures. <br> Methods: In 8 years at 4 centers, 61 patients with associated acetabular fractures (Letournel classification) were treated. The patients were divided into two groups. The total hip arthoplasty (THA) group consisted of 30 patients, while the open reduction internal fixation group had 31 patients. The average age of the patients was 74.7 years. The following parameters were compared: the duration of surgery and hospitalization, the international unit of red blood cell concentrate transfusion, the time for the verticalization of the patient, perioperative complications, Harris hip score, and the short form (12) health survey. The clinical and radiographic follow-up was performed at 1 month, 3 months, 6 months and 12 months and annually thereafter. Patients with post-traumatic osteoarthritis formed the third comparison group.P≤ 0.05 was considered statistically significant according to the analytical Student’s t-test. <br> Results: TheP < 0.05 in favor of theTHAgroup was: surgical time, length of stay, number of the international unit of red blood cell concentrate transfusions, verticalization, quality of life and hip function, a reduction of perioperative complications and reinterventions. <br> Conclusions: Our experience shows that theTHA treatment for acetabular fractures in the elderly is to be preferred.

Trochanteric Fracture of a Congenital/Developmental Dislocation of the Hip in an Elderly Woman: A Case Report

An 87-year-old woman with a residual dislocated hip suffered a trochanteric fracture on the ipsilateral side. The fracture was treated by open reduction and internal fixation surgery with good results. To treat a proximal femoral fracture of the residual dislocated hip in an elderly patient, the patient’s overall status, pre-fracture ability, hip joint configuration, and fracture pattern should be considered.

Treatment of hip joint dislocation combined with femoral head fracture

Objective To discuss the treatment of the hip joint dislocation combined with femoral head fracture and its clinical therapeutic effects.Methods From July 2001 to July 2008,19 patients with hip joint dislocation combined with femoral head fracture underwent conservative therapy or surgical treatment.Classification was based on Pipkin's criteria,type Ⅰ four,type Ⅱ six,type Ⅲ six,type Ⅳ three.Various procedures were taken according to the different types of the fracture,the time of the fracture,and the age of the patients.The clinical therapeutic effects were analyzed.Results In type Ⅰ,four were rated as excellent by Harris Hip Score's criteria.In type Ⅱ,two rated as excellent,three as good and one as fair.In type Ⅲ,three rated as good,two as fair and one as poor.In type Ⅳ,one rated as excellent,one as good and one as fair,overall rate of excellent and good was 73.7%.Conclusion The treatment of Pipkin fracture should be based on multiple factors such as the type of fracture,the time of fracture,the age of patients and so on.The prognosis is directly related with those factors and the way of the treatment.

Treatment of Traumatic Acetabulum Lesions in an African Orthopaedic Trauma Department

Background: The management of traumatic acetabular injuries (TAI), which are often complex and diverse, is difficult and costly in the context of low-income African countries. Objective: To evaluate the treatment of traumatic acetabular lesions in the Orthopedics and Traumatology Department of the Yalgado Ouedraogo University Hospital, for their better management. Patients and Methods: This was a retrospective study, conducted in our department from January 2012 to December 2016. Sixty-three patients with TAI and complete records were selected. The mean age of patients with coxofemoral dislocations was 34.2 years and 36.4 years for acetabulum fractures with male predominance in both injury types. The injuries were mainly caused by a violent road traffic accident (RTA) (90.5%). Forty hip dislocations and 41 acetabular fractures were reported, with a prevalence of iliac dislocations (52.5%) and posterior wall fractures of the acetabulum (24.4%). Results: The average time to manage TAI was 15.9 hours (range 2 - 100). Medical treatment was performed in all patients. Thirty-eight coxofemoral dislocations and 34 acetabular fractures were treated by orthopedic methods. Seven complex acetabular fractures and two coxo-femoral dislocations were performed by surgical method. Two patients died (3.2%), one in a hemorrhagic shock table and the other in a septic shock table. Immediate and late complications were identified. Conclusion: Early and adequate management of our TAI, requires a modern technical platform and a sufficient number of qualified medical personnel to improve their functional outcomes.

髋臼骨折前后方手术入路的解剖学研究进展

近10年来髋臼新型钢板、手术入路改良、3D打印等新技术,为治疗髋臼骨折提供了更丰富的选择,但仍存在骨折显露和固定难、手术切口大、术中出血多、手术创伤大等不足。髋臼周围被丰富的血管、神经、淋巴管网络、盆腔脏器、丰厚的肌肉及韧带结构包裹,即使骨科手术机器人操作,也可能造成血管、神经及盆腔脏器的医源性损伤。现就髋臼骨折手术入路结合髋臼周围解剖结构进行综述,旨在按照人体自然存在的解剖生理间隙,探索安全、快速的精准靶向通道手术入路技术。

大转子后半截骨入路与标准Kocher-Langenbeck入路治疗髋臼后壁骨折的疗效比较

目的:比较大转子后半截骨入路与标准Kocher-Langenbeck(K-L)入路治疗髋臼后壁骨折的临床疗效,探讨治疗髋臼后壁骨折的更优入路。方法:回顾性分析自2019年1月至2021年6月收治的47例髋臼后壁骨折患者,根据手术方法分为大转子后半截骨组(试验组)及标准K-L入路组(对照组)。试验组24例,男16例,女8例,年龄(42.00±4.52)岁,受伤至手术时间(6.75±1.15)d。对照组23例,男16例,女7例,年龄(41.00±5.82)岁;受伤至手术时间(7.09±1.20)d。观察比较两组患者住院总时间、手术切口长度、手术时间、术中出血量、术后引流量、骨折复位质量(Matta标准)、髋关节外展肌力、髋关节功能(Merle d'Aubigne-Postel评分)、术后两组并发症及异位骨化发生率。结果:所有患者获得6个月随访,两组手术切口长度、术中出血量、术后引流量比较,差异均无统计学意义(P>0.05),但试验组手术时间较对照组更短(P<0.05)。两组术后6个月骨折复位质量、髋关节功能评价差异无统计学意义(P>0.05)。试验组髋关节外展肌力优于对照组(P<0.05)。两组术后并发症发生率、异位骨化发生率差异无统计学意义(P>0.05)。结论:相比于标准K-L入路法,大转子后半截骨入路可缩短手术时间,对术后髋关节外展肌力恢复更好,术中对涉及髋臼后壁较为粉碎的骨折或臼顶骨折暴露视野更加,提高骨折解剖复位率,为临床治疗髋臼后壁骨折提供新的思路令另患者可早期行功能锻炼。

双动全髋关节置换术与人工股骨头置换术治疗高脱位风险老年股骨颈骨折的疗效比较

目的比较双动全髋关节置换术与人工股骨头置换术治疗高脱位风险老年股骨颈骨折患者的疗效。方法回顾性分析2019年7月至2022年7月黄石市中心医院运动医学科收治的57例高脱位风险老年股骨颈骨折患者的临床资料,根据手术方案不同分为双动全髋关节置换组(研究组)21例和人工股骨头置换组(对照组)36例,所有患者均采用后外侧入路。比较两组患者的手术时间、术中出血量、术后引流量;同时比较两组患者术前、术后1个月和术后1年随访时的Harris髋关节评分、视觉模拟评分(VAS),并比较术后1年随访时的治疗优良率及并发症情况。结果研究组患者的手术时间、术中出血量、术后引流量分别为(134.43±20.01)min、(378.09±152.89)mL、(218.57±129.74)mL,明显高于对照组的(100.69±20.83)min、(143.06±71.23)mL、(154.44±62.39)mL,差异均有统计学意义(P<0.05);研究组患者术后1个月与术后1年随访时的Harris评分分别为(73.62±5.78)分、(90.67±3.50)分,明显高于对照组的(64.78±8.04)分、(84.17±4.62)分,差异均有统计学意义(P<0.05);研究组患者术后1个月与术后1年随访时VAS评分分别为(2.57±1.08)分、(1.10±0.77)分,明显低于对照组的(3.25±1.16)分、(1.61±0.80)分,差异均有统计学意义(P<0.05);研究组患者的治疗优良率为95.24%,明显高于对照组的72.22%,差异有统计学意义(P<0.05);研究组术后总并发症发生率为19.05%,略低于对照组的22.22%,但差异无统计学意义(P>0.05)。结论双动全髋关节置换术治疗老年高脱位风险股骨颈骨折较人工股骨头置换术具有脱位率低、缓解髋关节疼痛明显、术后髋关节功能恢复好的优点。

基于生理、病理角度筛查股骨颈骨折病人术后6个月内假髋关节脱位的风险变量

目的:从生理、病理角度分析股骨颈骨折病人术后6个月内髋关节脱位的独立危险变量,为临床提供有效护理方向。方法:选取2020年1月—2022年6月江西省新余市新余袁河医院骨外科接受全髋关节置换术的200例股骨颈骨折病人为研究对象,随访6个月,记录髋关节脱位发生情况,按照是否发生脱位分为脱位组和未脱位组,并采用Logistic回归分析股骨颈骨折病人术后6个月内假髋关节脱位的影响因素。结果:200例病人全髋关节置换术后发生髋关节脱位的有29例,发生率为14.50%;Logistic回归分析结果显示,年龄>85岁、股骨头直径<30 mm、手术入路为后外侧、未接受全髋关节置换术知识宣教、股骨近端骨密度T值降低、股骨偏心距越短、肢体长度的变化值≥10 mm均为病人术后6个月内髋关节脱位的独立危险因素(P<0.05)。结论:股骨颈骨折病人术后6个月内髋关节脱位的相关影响因素与年龄、股骨头直径、手术入路、是否接受全髋关节置换术知识宣教、股骨近端骨密度T值、股骨偏心距、肢体长度的变化值等因素密切相关,临床应积极采取相应管理对策来提高病人术后康复质量和降低并发症风险。

Ipsilateral fracture dislocations of the hip and knee joints with contralateral open fracture of the leg： a rare case and its management principles

This paper discussed the injury mechanism and management of a patient who had concomitant ipsilateral hip and knee dislocations and contralateral open leg fracture. A 32-year-old man presented with ipsilateral fracturedislocations of the left hip （Pipkin＇s type IV） and knee （Moore II）joints and contralateral open fracture of the leg bones after a car accident. After emergency resuscitative measures, the hip joint was reduced and Pipkin＇s fracture was fixed using Ganz approach with lag screws; knee joint was reduced closely and tibial plateau fracture was stabilized with lateral buttress plate and a transarticular spanning fixator. The open fracture on the other leg was debrided and fixed with an external fixator. There was no insta-bility in both joints after fixation when he was examined under anesthesia. The fractures united after 3 months and the patient had no residual instability of hip and knee. There was no clinical or radiological evidence of osteonecrosis in the hip joint after 6 months. At one-year follow-up, he had satisfactory functional outcome with almost normal range of motion at both joints. Ipsilateral hip and knee dislocations are rare injuries and more caution is needed for early diagnosis. A timely appropriate intervention can provide good functional outcome to the patient in this situation.

QualiW of life following total hip arthroplasW in patients with acetabular fractures, previously managed by open reduction and internal fixation

Purpose： Total hip replacement （THR） is one of the most successful and cost-effective surgical procedures and remains the treatment of choice for long-term pain relief and restoration of function for patients with diseased or damaged hips. Acetabular fractures managed either conservatively or operatively by fixation tend to present later with secondary joint changes that require THR. In this study we evaluated the functional outcome and quality of life achieved by such patients. Methods： Our study was carried out as a retrospective trial by recruiting patients who underwent THR from June 2006 to May 2012. A total of 32 patients were included with a mean age of 46.08 years ranging from （25-65） years. We evaluated the quality of life in the patients using scoring techniques of Short Musculoskeletal Functional Assessment （SMFA） and the 12-1tem Short Form Health Survey （SF-12）. Functional outcome was assessed using Harris Hip Score （HHS）. Results： The mean HHS of the patients was 84.3 with a range from 56 to 100. The SMFA averaged 13.3. The SF-12 score averaged 49.1. The correlation of the HHS with SF-12 was positive （p - 0.001 ） while with SMFA there was a negative correlation （p - 0.001 ）. Conclusion： From this study it is inferred that the functional outcome of THR and quality of life in pa- tients who had acetabular fractures and were initially managed by open reduction and internal fixation is good.

Delayed cementless total hip arthroplasty for neglected dislocation of hip combined with complex acetabular fracture and deficient bone stock

Total hip arthroplasty （THA） for an un- treated acetabular fracture is technically challenging and the long-term result is not so favorable. A 45-year-old fe- male patient with untreated column and comminuted poste- rior wall fracture of the acetabulum was treated in our insti- tution by reconstruction of the posterior wall using iliac strut autograft and plate stabilization of the posterior col- umn with cancellous grafting and cementless THA in a single stage. At 3 years＇ follow-up, the patient was independently mobile without limb length discrepancy. Radiological evalu-ation showed well integrated components and bone grafts. No evidence of aseptic loosening or osteolysis was found. This report aims to emphasize that bony acetabular recon- struction allows the use of primary hip components, which improves prosthesis longevity and preserves bone stock for a future revision.

Evaluation of joint awareness after acetabular fracture:Validation of the Forgotten Joint Score according to the COSMIN checklist protocol

BACKGROUND A fracture of the acetabulum is an uncommon,but serious injury.Established outcome tools do not reflect the patient’s perspective after fracture of the hip joint.Originally designed for post-arthroplasty patients,the Forgotten Joint Score(FJS)is a patient-reported outcome measurement(PROM)tool evaluating the diseasespecific health-related quality of life(HR-QoL).AIM To validate the FJS in patients after acetabular fracture.METHODS In a prospective mono-centric cohort study,we evaluated 100 patients at mean 5.2±3.6 years after a fracture of the acetabulum.The validation study followed the complete COSMIN checklist protocol.For calculation of convergent validity,we used the Tegner-Activity Scale,the Western Ontario and McMaster Universities Osteoarthritis Index,the EuroQol-5D,and a subjective rating of change as an anchor variable.RESULTS We confirmed good internal consistency with a Cronbach‘s alpha of 0.95.With an intraclass correlation coefficient of 0.99(95%CI:0.97,0.99),test-retest reliability of the FJS was excellent.Correlation coefficients between the questionnaires were moderate to high ranging from|0.56|to|0.83|(absolute value).No relevant floor or ceiling effects occurred.Standard error of measurement was 3.2 and smallest detectable change(SDC)was 8.8.Thus,changes greater than 8.8 points between two assessments denote a real change in FJS.CONCLUSION The FJS is a valid and reliable tool for evaluation of patient-reported outcome in posttraumatic condition after acetabular fracture.The SDC indicating a real clinical improvement was 8.8 points in the FJS.We could confirm responsiveness of the FJS and found no relevant floor-or ceiling effects.

THE WAVELET ANALYSISOF EVOKED POTENTIALS

Abstract: In this paper,we use the orthogonal wavelet based on 3-order splines function to processthe somatosensory evoked potentials and cognitive event-related potentials. The experiments onhuman subjects have showed that this method is valuable and practicable.INTRODUCTIONEvoked potentials(EP' s) are electrical responses of the central nervous system to stimulusapplied in a controlled manner. They can not only be used to diagnose the diseases on the sensorypathway and brain but also be frequently monitored intraoperatively to assess the effects ofsurgery or to detect unexpected neurological injury [1][2]. But the Signal-to-Noise ratios (SNRIs) of EP' s are vary low. The: are many methods in order to improve the SNR' S and identify theEP' s signal perfectly with less stimuli such as ensembl averaging,post-wiener filtering,adaptedfiltering and parametric modeling and even single stimulus. The purpose of this paper is to applyrnultiresolution wavelet analysis method for identification of short-latency somatosensory evokedpotentials and long-latency evoked--related potentials.METHODMultiresolution Wavelet analysis and pyramid algorithm was constructed by Mallat [3] andwidely used in signal processing pattern recognition and image processing. Here,we applyed thisto decompose EP' S signal into different frequency bands and reconstructed them with time-varying weight method.Based on 3-order splines functions,we constructed orthogonal wavelet and scale function. According to the dual-scale function,we could get transform function h and its mirror filter g,theyare related by gn(- l)nhn+1. More detail could see Mallat' theory[3]. Through fast pyramid algorithm,the EP' S signal can be decomposed into detail and coarse parts on a dyadic scales by scalefunction like this Here Cj is coarse signal and Dj is detail signal. C, is signal on scale 0 and is the same as originalsignal. With j increasing,the EP' S signal were projected to different frequency bands. The reconstructed function for signal on j scale to j-1 scale isAccording to the character of EP' S signals and their decomposition on different scales ,we choosethe following signal processing principle.To somatosensory EPI S (SEP),we choose coarse and detail signal on scale 6 to reconstructsignalS(t) ~W, (t) o C,(t) +WZ(t) o D,(t)W, and W, are time--varying weight and are decided by the amplitude of detail and coarse signalson scale 6.To Event--related optentials (P300 waveform),because the noise is mainly on high frequencyband gwe choose coarse signal of scale 6 to reconstruct signal.RESULTThere are ten subjects taking part in the experiment. The instrument is SPECTRUM32 ofCADWELL corporation. To SEP signals,The medial nerve of left wrist was stimulated,activeelectrode was attached to Cll (3 cm lateral to the midline and posterior to the coronal suture).reference electrode at Al (left ear) and ground electrode at Fpz according to 'the international 10-20system of electrode placement.Figurel is the original SEPI S signal and processed signal, (a) is the SEPI S signal averaged by250 times. (b) is the signal averaged by 30 times and (c) is the signal of (b) be processed. Fromthe figure,we could see that the method is effectively,noise ate inhibited greatly and the waveform of (c) is almost the same as the signal (a).Figure 2 .The EPRI S signal and processed signalTo ERP,active electrode was attached to Cz.reference electrode at Al and ground electrodeat Fpz. The stimulus is auditory and the probability of target stimulus is 20 percent.FigureZ is the EPR signal, (a) is the signal average 40 times, (b) is the single trial signal and(c) is the processed signal of (b). From the figure, we could say that multiresolution waveletanalysis can get single trial signal of ERP. The signal (c) is almost the same as signal of (a).From the experiments,we could say that the time--varying weighted multiresolution waveletanalysis method is suitable and practicable and may be vary useful in identification of single trialEPI s signal.

股骨头毁损三联征:股骨头骨折-脱位合并股骨颈骨折

股骨头合并同侧股骨颈骨折是一种严重而复杂的创伤,保髋手术大多会失败。其治疗的难点及预后的关键在股骨颈骨折上。鉴于股骨颈骨折的发生与股骨头骨折-脱位之间存在明显的、前后关联的贯序特点,笔者认为以股骨头毁损三联征(disastrous triad of femoral head,DTFH)来概括这种类型的损伤,更能反映其损伤机制和预后特点。结合临床观察和文献资料,DTFH可分为3个类型:Ⅰ型,普通型DTFH,股骨颈骨折的发生紧随于股骨头骨折-脱位之后,是同一暴力造成的损伤;Ⅱ型,医源型DTFH,是在股骨头骨折-脱位的诊疗过程中发生了医源性股骨颈骨折;Ⅲ型,应力型DTFH,发生于股骨头骨折-脱位的治疗之后,在股骨头骨折面的远侧缘发生应力性股骨颈骨折。本文对各型DTFH的临床特点进行了初步的讨论。

肌力训练在预防髋部骨折关节置换术后脱位的作用及研究进展

髋部骨折与手术创伤引起髋部肌肉多次损伤,以至于关节活动度、肌力、假体稳定性明显降低,从而增加关节置换术后假体脱位率,一旦脱位需再复位将额外增加患者痛苦,并发症发生率也随之增高,甚至导致假体使用寿命显著缩短。基于此,对关节假体脱位诱因进行综合分析,发现术后肌肉力量康复训练方式不当在假体脱位诸多原因中占比较大。本文对髋部、下肢、核心等肌力训练的方法及内容进行细颗粒度综述,指导临床康复护理实践,为后续研究降低髋关节置换术后假体脱位发生率提供技术支撑。

一侧股骨干骨折合并对侧髋关节脱位1例

患者,男,20岁,因车祸伤致左大腿中段疼痛剧烈伴活动受限,右髋部疼痛不明显,于2021年2月20日急诊入院。入院查体:左大腿轻度肿胀,压痛及纵向叩击痛(+),右髋关节轻度屈曲内收内旋畸形,骨盆挤压分离试验(-),双下肢肢端感觉及血运良好。入院X线片及CT显示:左股骨干骨折,右髋关节脱位。急诊行右侧髋关节手法复位、右下肢皮牵引、左下肢胫骨结节骨牵引术。

Posterior dislocation of the hip with ipsilateral displaced femoral neck fracture

Traumatic posterior dislocation of hip associated with ipsilateral displaced femoral neck fracture is a rare injury. Moreover, the management of such patients evokes strong views regarding primary replacement or preserving the femoral head. We presented a case of young adult with such an injury. He was operated upon with reduction of the dislocation and fixation of femoral neck fracture with the help of cancellous screws. Two years later, the fracture had united and the patient was asymptomatic. We further proposed the mechanism of injury for such a fracture and discussed the management in the changing trauma scenario of the developing world.