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1.
Pascarella R Maresca A Cappuccio M Reggiani LM Boriani S 《La Chirurgia degli Organi di Movimento》2008,92(2):109-111
We report on two cases of simultaneous asymmetrical bilateral hip dislocation. Both patients were involved in car accidents.
The first case is a 23-year-old man who had a bilateral hip dislocation, anterior on the right side and posterior on the left
associated with bilateral femoral head fracture. The second case presented the same dislocations of the hips associated with
acetabular fracture on the right side. Closed reduction of the hips was performed in both cases. In the first case the femoral
head fragments was subsequently removed. In the second case internal fixation of the acetabular fracture was postponed. 相似文献
2.
IntroductionPipkin-III femoral head fracture dislocation is a rare injury and its outcome is guarded. Some authors believe femoral neck fracture of Pipkin-III injury is largely iatrogenic. Recent literature showed none of these injuries had excellent outcome, and most patients end up with hip replacement.Presentation of caseA 34-year-old man sustained a traumatic hip injury with fracture-dislocation and an iatrogenic femoral neck fracture during reduction. A modified Gibson approach was performed to reduce and fix the femoral head and neck fractures in a retrograde fashion. Follow-up at 26 months assessment showed viable femoral head, and excellent functional outcome.DiscussionIatrogenic femoral neck fracture in the setting of femoral head dislocation is not uncommon. Clinical and radiological signs of irreducible dislocation can easily be missed which might lead to devastating complications like iatrogenic femoral neck fracture. Recognition of this unique injury, timely intervention, and meticulous dissection might positively alter the patient’s outcome.ConclusionThis case serves to enlighten orthopedists about the risk of iatrogenic femoral neck fracture, methods to avoid such complication, and the proper management. 相似文献
3.
IntroductionTraumatic hip dislocation associated with femur intertrocanteric fracture is a rare and severe injury and it frequently occurs following a high energy trauma, Associated acetabular fractures with this injury are even more rare and potentially cause devastating consequences including avascular necrosis of the femoral head and subsequent early secondary osteoarthritis of the hip joint.Presentation of caseIn this case report, we present a 20 year old polytraumatized patient with traumatic hip dislocation associated with ipsilateral acetabulum fracture and simultaneous fractures of the ipsilateral femur.DiscussionTraumatic hip dislocation associated with femur intertrochanteric fracture is a rare and severe injury and it frequently occurs following a high energy trauma. In polytraumatized patients, musculoskeletal injuries are the most common lesions requiring surgical intervention frequently presenting challenging scenarios in terms of functional outcome and quality of life. Osteonecrosis of the femoral head is a serious and unpredictable complication that may occur after displaced femoral neck fracture and traumatic hip dislocation due to the disturbed blood supply of the femoral head.ConclusionA staged treatment strategy may be useful managing an unstable polytraumatized patient or a patient who requires prolonged transfer to receive definitive care. 相似文献
4.
Sy MH Kinkpé CV Dakouré PW Diémé CB Sané AD Ndiaye A Dansokho AV Sèye SI 《Revue de chirurgie orthopédique et réparatrice de l'appareil moteur》2005,91(2):173-179
Posterior dislocation of the femoral head with fracture is an exceptional hip injury. Emergency reduction is required. Reposition into the acetabular cavity of the dislocated femoral head may not be feasible. Irreducibility, instability, and more rarely accidental fracture of the femoral neck may also occur. We encountered this latter complication in four patients and report here its frequency and mechanism and propose preventive therapeutic measures. Seventy dislocations and fracture-dislocations of the hip were treated in our unit from March 1997 to February 2003. Among these cases, fourteen hip dislocations were complicated by femoral head fractures. Fracture of the femoral neck occurred during reduction in four. All four cases occurred in men, mean age 49.7 years, who were traffic accident victims (drivers or passengers). There were two Pipkin IV fracture-dislocations and two Pipkin II. The first reduction, achieved under general anesthesia in an emergency setting, was performed by an orthopedic surgeon in one patient and a general surgeon in three patients. Arthroplasty was used to treat the femoral neck fracture in three patients and pinning in one. We reviewed retrospectively the clinical and imaging data before and after reduction. Sub-capital fracture situated 4.0 cm (mean, range 3.5-4.5 cm) from the lesser trochanter occurred in all four cases. The head remained attached above and posteriorly to the acetabulum and was rotated less than 90 degrees . The fragment remaining in the acetabulum was displaced in two cases. In one patient, the fracture-dislocation of the head was associated with a fracture of the posterior rim of the acetabulum. This complication appears to result from an abrupt inappropriate reduction movement. The neck fracture would occur when capsulomuscular retention of the femoral head is associated with a head defect which catches on the rim of the acetabulum during the reduction movement. Neck fracture during reduction of traumatic hip dislocation is a serious complication. Prevention of this iatrogenic event requires a slow, progressive reduction limiting the trauma to a minimum; first intention open surgery may be required in selected cases. 相似文献
5.
Traumatic posterior fracture-dislocation of the hip with fracture of the femoral head or neck, or both 总被引:8,自引:0,他引:8
To determine the prognosis and best treatment for patients who have a posterior dislocation of the hip associated with a fracture of the femoral head or neck (Grade IV, according to the classification of Stewart and Milford), we surveyed the records of 201 patients who had been treated for 203 posterior dislocations from 1958 to 1985 and selected the cases of 19 patients (19 posterior fracture-dislocations of the hip) for further review. Each of the injuries had resulted from a motor-vehicle accident. Thirteen patients had had a posterior dislocation with an associated fracture of the femoral head located either caudad or cephalad to the fovea centralis (Pipkin Type-I or Type-II injury), one had had a posterior dislocation with associated fractures of the femoral head and neck (Pipkin Type III), two had had a posterior dislocation with associated fractures of the femoral head and the acetabular rim (Pipkin Type IV), and three had had a fracture-dislocation that we could not categorize according to the Pipkin classification. Twelve patients had been treated by closed reduction for a Type-I or Type-II injury; one, by open reduction after an unsuccessful closed reduction for a Type-I injury; one, by primary total hip replacement for a Type-III injury; and three, by open reduction with screw fixation of the acetabular fracture and removal of the fragment of the head for two Type-IV injuries and one unclassified injury. An additional two patients had had both a fracture of the femoral neck and a dislocation; one hip was treated primarily with a Moore prosthesis and the other was left unreduced.(ABSTRACT TRUNCATED AT 250 WORDS) 相似文献
6.
In isolation, dislocations of the hip and knee require emergent reduction to minimize the risks of serious complications, including vascular and neurologic injury, osteonecrosis of the femoral head, and loss of motion and function. With simultaneous dislocation of the ipsilateral hip and knee, as in the situation of hip dislocation with concomitant femoral shaft fracture, reduction of the hip may prove difficult because of the inability to control the femoral segment. In this setting, general anesthesia is commonly required. We present the case of a patient who sustained an ipsilateral hip and knee dislocation who underwent closed reduction of the knee in the emergency department but required general anesthesia and the insertion of Schanz pins in the femur to reduce the hip dislocation. 相似文献
7.
目的 总结采用自体股骨头结构性植骨治疗髋关节发育不良继发关节炎的中期疗效及并发症。方法 回顾性分析2001年10月至2011年12月采用自体股骨头重建髋臼方法治疗36例髋关节发育不良患者资料,其中34例获得30个月以上的临床及影像学完整随访资料,男6例,女28例;年龄28~68岁,平均51岁;均为单侧手术,左侧16例,右侧18例。Crowe分型,Ⅱ型12例,Ⅲ型16例,Ⅳ型6例;所用假体除1例为混合型外,其余均为非骨水泥型。临床随访包括术前、术后Harris评分及各种并发症;影像学评估包括双侧髋关节正位(或骨盆正位)、患侧髋关节侧位X线片,以判断人工假体位置、植骨愈合情况。结果 34例患者均获得随访,随访时间31~153个月,平均64.1个月。术前Harris评分为23~56分,平均35.4分;末次随访时为82~95分,平均89分,其中优28例,良6例,优良率为100%。术后2~8个月,10例出现植骨块吸收。术后4例患者发生髋关节假体脱位,遂均采用闭合复位,其中1例于复位后2个月再次发生脱位,再次采用闭合复位后未再发生脱位;另3例均未再发生脱位。1例患者于术后3个月摔倒后出现假体周围骨折,行骨折切开复位钢板内固定术,1年随访时骨折已愈合,至末次随访时假体及内固定位置良好、骨折愈合良好,患髋功能良好。术后1年,1例患者因高血压颅内出血行保守治疗后关节置换侧偏瘫,关节失用。结论 自体股骨头重建髋臼治疗髋关节发育不良整体疗效满意,骨吸收是结构性植骨的一个自然过程,关节脱位是髋关节发育不良全髋置换术后的最常见并发症。 相似文献
8.
IntroductionWe experienced a rare case in which magnetic resonance imaging (MRI) showed a transient epiphyseal lesion of the femoral head four months after traumatic hip dislocation. To our knowledge, there have been no previously published reports on the development of such transient lesions after traumatic hip dislocation involving no abnormalities just after dislocation.Presentation of caseWe report a 22-year-old man who showed a transient epiphyseal lesion of the femoral head after traumatic hip dislocation. On MRI performed two days after dislocation, no bony injuries were observed around the hip joint. Four months after dislocation, the patient suddenly experienced right hip pain without any new trauma or injury. A low-intensity band convex to the articular surface was apparent above the epiphyseal scar on T1-weighted imaging, and bone marrow edema was observed around the band lesion on short-tau inversion recovery imaging. Following a two-month period of non-surgical conservative therapy, the patient’s hip pain resolved and the low-intensity band was no longer observed on follow-up MRI.DiscussionAlthough the detailed pathogenesis of this transient changes was unclear, we speculate that prolonged rest after traumatic hip dislocation may contribute to bone insufficiency, resulting in an insufficiency fracture of the femoral head.ConclusionThis study suggests that transient epiphyseal lesions of the femoral head may occur in patients with a history of traumatic hip dislocation associated with an adapted long-term rest. 相似文献
9.
目的:探讨年轻患者股骨颈骨折内固定术后发生股骨头坏死的危险因素,描述股骨头存活患者的生活质量,量化其预测因素。方法:选取2013年1月至2016年12月采用闭合复位空心钉内固定手术治疗的股骨颈骨折患者172例(174髋)进行回顾性分析,总结患者的一般资料包括年龄、性别、体重指数、创伤机制、创伤-手术间隔时间、创伤发生季节和内固定物是否取出,影像学资料包括骨折Garden分型、Pauwel分型、股骨头后倾角度、术后骨折复位、螺钉分布情况。进行单因素分析及多因素Logistic回归分析,探讨股骨头坏死及内固定失败的危险因素。对上述内固定术后股骨头存活的患者进行随访,通过SF-36健康调查简表评估患者的生活质量,髋关节功能Harris评分评估患髋关节功能,并通过多重线性回归分析探讨股骨颈骨折术后患者生活质量的预测因素。结果:172例(174髋)患者纳入研究,共29例(16.67%)患者发生股骨头坏死。股骨头坏死多因素Logistic回归分析中有显著差异的变量是复位质量(OR=0.126,P=0.027)和后倾角(OR=4.380,P=0.010)。股骨头存活136例患者(137髋)纳入生活质量调查,Harris评分90.14±7.92,其中优96髋(70.07%),良28髋(20.44%),中13髋(9.49%),差0髋。SF-36评分中生理健康得分为46.12±9.12,心理健康得分为50.21±3.97,两者不呈线性相关(P0.05),多重线性回归分析中,与生理健康得分相关有显著差异的变量是复位质量与后倾角度,与心理健康得分相关有显著差异的变量是骨折是否移位与创伤机制。结论:复位质量位不佳和后倾角15°是并发股骨头坏死的危险因素。股骨颈骨折术后患者髋关节功能及心理健康得分恢复良好,但生理健康得分不能恢复到正常人群平均水平,复位质量与后倾角度可作为生理健康得分预测因素,骨折是否移位与创伤机制可作为心理健康得分的预测因素。 相似文献
10.
《Injury》2016,47(12):2789-2794
PurposeThe purpose of this study is to report the clinical course of fatigue-type subchondral fractures of the femoral head in young healthy adults.Materials/MethodsWe retrospectively reviewed 28 consecutive patients (34 hips) who had a clear history of a sudden increase in physical activity without trauma on the hip and pelvis, and were diagnosed as having a fatigue-type subchondral fracture of the femoral head. The diagnosis was made primarily on the basis of sequential plain radiographs and magnetic resonance images.ResultsOf the 34 hips, 19 hips with no bony collapse experienced gradual disappearance of subjective pain a few months after onset, and there were no recurrences. Other 2 hips that showed bony collapse, but preserved the articular margin, also experienced no definite deterioration of collapse or arthritic change and did not need surgical intervention. In the remaining13 hips with bony collapse and destroyed articular margin or arthritic change, hip pain gradually worsened necessitating surgery.ConclusionsThe current findings suggest that a subchondral fatigue fracture of the femoral head could show a different severity of subchondral injury over time. In the collapsed subchondral fatigue fractures, especially when combined with head incongruency, the hip pain was aggravated enough to require surgical intervention. 相似文献
11.
目的:探讨改良EPSTR法预防全髋置换术后脱位的临床疗效。方法:2006年1月至2007年5月,在85例(87髋)全髋置换中采用改良EPSTR法对后路结构进行修补,男39例,女46例;年龄62~85岁,平均69.5岁。新鲜股骨颈骨折58髋,股骨头坏死25髋,髋关节骨关节炎3髋,股骨粗隆间骨折内固定失败1髋。结果:85例均获随访,时间8~24个月,平均15个月,没有发现髋关节后脱位、髋关节外旋挛缩畸形和大转子骨折,术后6个月Harris评分平均为(89.2±4.5)分。结论:改良EPSTR法是一种预防全髋置换术后脱位的有效和简捷的方法,具有临床应用价值。 相似文献
12.
BackgroundSimultaneous traumatic dislocation of both the hips in an individual is an uncommon injury. It accounts for only 1–2% of all traumatic hip dislocations. Simultaneous traumatic dislocation of both the hips in opposite directions i.e., anterior dislocation of one hip and posterior of the other is even rarer. These asymmetric dislocations need prompt identification for appropriate management. While their management should proceed in a manner commensurate with the accepted management of isolated dislocations to avoid complications, it is the timely identification which is essential.Study detailsRetrospectively the details of three patients with asymmetric bilateral hip dislocations were collected. The article describes the clinical presentation of each patient and the management offered to them. The follow up duration ranged from 15 months to 24 months.ResultsIn the short term, the outcomes in terms of hip pain, movements at the hips and radiological parameters like absence of arthritic or avascular changes were found to be satisfactory in each patient.ConclusionEarly diagnosis and prompt reduction is the essential first step in the appropriate management of these patients to prevent the possible complications. The associated fractures must be managed as per the established principles of trauma care. Long term follow up is essential for identifying if complications like avascular necrosis and secondary osteoarthritis develop after this uncommon injury. 相似文献
13.
Juan Rodriguez-Martin Juan Pretell-Mazzini Miguel Angel Porras-Moreno Yolanda Hernanz-Gonzalez Carlos Resines-Erasun 《Strategies in trauma and limb reconstruction (Online)》2010,5(1):47-51
We report a case of a 27-year-old man who was involved in a high-speed car accident. He sustained multiple organ damage including
multiple brain petechiae suggesting diffuse axonal damage, aortic dissection, retroperitoneal haematoma and a fracture-dislocation
of the right hip with a femoral head fracture and an ipsilateral intertrochanteric fracture. Due to the general condition
of the patient, physiological stabilisation was prioritized, and at 2 weeks the fracture-dislocation of the hip was treated
with a proximal femoral nail for the intertrochanteric fracture and Herbert screws for the femoral head fracture. Postoperatively,
two episodes of recurrent hip dislocation occurred, and this was stabilized eventually with a Steinman pin inserted across
the hip joint and taken out 1 month later. Weight-bearing was allowed according to clinical and radiographical assessments.
Heterotopic ossification developed around the hip joint, but without evidence of AVN or osteoarthritis. At 18-months follow-up,
the fractures had healed and the patient had a Harris Hip score of 79.1. Anatomical reduction and stable fixation of fracture-dislocations
of the hip are important for achieving an acceptable result. 相似文献
14.
Takashi Ikegami Keiji Matsuda Sung-Gon Kim Koichi Maeda Reiko Kubota Masataka Nagayama Haruka Kaneko Masahiko Nozawa 《European journal of orthopaedic surgery & traumatology : orthopedie traumatologie》2008,18(5):387-390
Fracture of both the femoral head and neck associated with posterior hip dislocation is a rare injury. This report describes
a rare case of fracture-dislocation of the hip joint with a separated femoral head with a residual fragment in the acetabulum,
and a subcapital fracture. We performed open reduction with internal fixation immediately after the injury. Osteonecrosis
of the femoral head was detected one year after the surgery, however this patient had no symptoms related to the hip joint. 相似文献
15.
Bilateral simultaneous dislocation of the hip is an unusual occurrence, especially if there is no previous history of hip abnormality or ligamentous laxity. Most of the reports published until now most frequently describe this type of injury in adults. The majority of case reports present patients with ages ranging between 20 and 30 years old, because at this age the bone is strong enough not to suffer a fracture but a dislocation. The oldest patient with bilateral simultaneous dislocation of the hip described in literature (to our knowledge) is 65 years old. We present the case of a 79 year old man that was involved in an agricultural accident in which a heavy load fell on both his feet while he was laying on the ground. Anteroposterior pelvic radiograph reveal bilateral posterior hip dislocation with an associated left-side acetabular fracture and also a minimum displaced anterior left pelvic ring fracture. Both hips were reduced within three hours of presentation by closed manipulation under spinal anaesthesia. Literature search revealed no case presentation that reported a bilateral simultaneous dislocation of the hip in elderly--to our knowledge, this is the first. 相似文献
16.
Steib-Furno S Luc M Mathieu L Pham T Armingeat T Porcu G Gamerre M Chagnaud C Lafforgue P 《Joint, bone, spine : revue du rhumatisme》2007,74(4):373-378
BackgroundPregnancy-related hip diseases epidemiology has been poorly evaluated. We report our experience of gestational and postpartum hip diseases and evaluate their incidence.Methods(1) Prospective survey: all pregnant or early postpartum women suspected to have hip involvement during their follow-up in an Obstetric unit were referred to a rheumatologist. If clinically confirmed, magnetic resonance imaging (MRI) and additional investigations as needed were performed. This survey had 2 years duration. (2) Retrospective study: all cases of definite (with MRI confirmation) pregnancy-related hip disease referred to our Rheumatology unit during the past 15 years were analyzed.ResultsDuring the 2-year prospective survey, 3 patients (4 hips) of pregnancy-related hip disease were observed over 4900 pregnancies (1 case of transient osteoporosis of the hip (TOH) and 2 cases of occult fracture of the femoral head). During the 15-year retrospective study, 12 patients (17 hips) with hip diseases during pregnancy or early postpartum were identified. There were 6 patients (9 hips) with TOH, 4 patients (6 hips) with occult fracture of the femoral head, 1 patient with osteonecrosis of the femoral head, and 1 coxitis in a patient with ankylosing spondylitis. Differentiating diagnosis between TOH and occult fractures could only be made by MRI. Five of the 6 women with TOH had osteopenia at the lumbar spine at dual energy X-ray absorptiometry (DEXA). The 4 women with occult fractures had either osteopenia or osteoporosis at the lumbar spine.ConclusionHip diseases are infrequent during pregnancy and early postpartum. Transient osteoporosis of the hip and occult stress fractures of the femoral head appear the main causes and those diagnoses justify evaluation for an underlying bone fragility. Osteonecrosis is very rare in this setting. 相似文献
17.
全髋表面置换术治疗股骨头坏死短期随访研究 总被引:1,自引:0,他引:1
目的:研究全髋表面置换术治疗股骨头坏死的短期疗效,探讨表面置换术治疗股骨头坏死技术要求和手术指征。方法:对2006年12月至2009年12月37例(43髋)行全髋表面置换术的股骨头缺血坏死患者进行随访,男25例,女12例;年龄21~67岁,平均44.5岁。按照ARCO进行分期:3A期3髋,3B期6髋,3C期16髋,4期18髋。根据Harris评分系统对手术前后关节疼痛、活动度、畸形矫正及功能的改善进行对比,用Charnley法比较术后假体松动X线改变。结果:失访3例,34例(40髋)获得随访,37髋疼痛完全缓解,3髋行走后有酸痛不适。随访时间16~53个月,平均32.4个月。术前Harris平均评分(51.5±1.7)分,术后32.4个月平均(94.3±1.4)分,较术前提高。优37髋,良3髋,差0髋。34例都恢复了正常生活或工作,术后疼痛明显缓解,其中3例(髋)长距离行走后有轻度酸痛不适,休息后缓解。1例异位骨化BrookerⅢ型,无疼痛,不影响正常行走和生活。无术后股骨颈骨折,无脱位,无松动和翻修。结论:经过适当患者选择、术中的精细操作,全髋表面置换术治疗股骨头缺血坏死可以获得满意的短期疗效。 相似文献
18.
目的:探讨髋臼骨折内固定失败术后继发创伤性关节炎和(或)股骨头缺血性坏死行全髋关节置换术的特点及临床疗效。方法:2009年2月至2014年10月,采用全髋关节置换术对31例(31髋)髋臼骨折内固定失败继发创伤性关节炎和(或)股骨头缺血性坏死患者进行治疗,其中男26例,女5例;受伤时平均年龄(41±12)岁。患者因髋臼骨折内固定术后3~132个月,平均(20.6±26.9)个月内继发创伤性关节炎和(或)股骨头缺血性坏死而行全髋关节置换术,全髋关节置换术均采用后外侧入路。观察术后并发症和关节活动度,并比较术前和术后随访时髋关节VAS疼痛评分和Harris髋关节评分。结果:术后27例获得随访,随访时间12~80个月,平均(43.2±11.7)个月。其中出现关节感染1例,假体松动1例,脱位1例,无继发坐骨神经损伤病例发生。所有随访病例髋关节功能和步态有明显改善;至末次随访时,VAS由术前平均(7.6±1.2)分,降低到术后平均(1.2±0.9)分,Harris评分由术前平均(45.5±13.6)分,提高到术后平均(88.5±7.8)分,差异均有统计学意义(P0.01)。髋关节除后伸外,前屈、外展、内收、内旋及外旋活动范围较术前显著增加,差异有统计学意义(P0.05)。X线片复查示:髋臼假体无不稳定发生,1例股骨柄假体下沉3 mm,2例发生异位骨化。结论:正确处理内固定物,提防潜在感染,合理重建髋臼骨缺损,是髋臼骨折内固定失败术后全髋关节置换成功的关键。 相似文献
19.
Traumatic dislocation of the hip in children is a rare injury. We report the outcome of open reduction of neglected traumatic posterior hip dislocation in 18 children. All patients had posterior dislocation and no associated fracture. They presented to the hospital because of persisting pain, deformity, and limp that were present for a mean period of 16 weeks after injury (range, 6-52 weeks). Open reduction was done in all patients because none of the hips could be reduced by skeletal traction in abduction. All of the hips had varying degrees of avascular necrosis (osteonecrosis), with preservation of joint space as seen on radiographs. At short term followup, seventeen children had an excellent functional outcome. We suggest that open reduction is a satisfactory treatment for neglected hip dislocation in children because an anatomically placed femoral head maintains the stimulus for growth of the pelvis and the femur. It prevents deformity and maintains limb length. 相似文献
20.
《The Journal of arthroplasty》2020,35(7):1885-1890
BackgroundThe aim of this study is to evaluate midterm clinical and radiographic results of total hip arthroplasties (THAs) with cementless implants for adult patients with sequelae from childhood hip infection.MethodsBetween 2002 and 2016, 165 patients (165 hips) who had a hip infection during childhood were treated with THAs with cementless implants. The average duration of follow-up was 93.5 months (range 26-206). Clinical results were evaluated via the Harris Hip Score and radiographic results were analyzed with postoperative serial X-rays.ResultsThe average Harris Hip Score increased from 27 (range 8-53) before surgery to 91 (range 45-100) at the latest follow-up examination (P < .001). At the latest follow-up evaluation, 9 cementless acetabular components demonstrated partial, nonprogressive radiolucencies. No subsidence of more than 2 mm or evidence of a radiolucent line was observed around the femoral components. Intraoperative periprosthetic fractures occurred in 11 hips, including 3 acetabular fractures, 2 fractures of greater trochanter, 1 femoral shaft fracture, and 5 fractures of femoral calcar. Postoperative complications included 3 cases of periprosthetic infection, 1 episode of dislocation, 1 case of a femoral periprosthetic fracture, 5 cases of sciatic nerve injury, 1 case of femoral nerve injury, and 1 case of squeaking from a ceramic bearing surface.ConclusionCementless THA for adult patients with sequelae from childhood hip infection presents significant technical challenges and a relatively high complication rate. With meticulous surgical planning and anticipation for the key technical challenges frequently encountered, the medium-term clinical and radiographic results of THA in this setting were good with high implant survivorship and patient satisfaction. 相似文献