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1.
China Journal of Orthopaedics and Traumatology ; (12): 74-80, 2024.
Article in Chinese | WPRIM | ID: wpr-1009226

ABSTRACT

OBJECTIVE@#To compare the role and importance of fibular fixation in tibiofibular fractures by Meta-analysis.@*METHODS@#The literature related to the comparison of the efficacy of fixation of the fibula with or without fixation on the treatment of tibiofibular fractures was searched through the databases of China Knowledge Network, Wipu, Wanfang, The Cochrane Library, Web of science and Pubmed, and statistical analysis was performed using RevMan 5.3 software. The rates of malrotation, rotational deformity, internal/external deformity, anterior/posterior deformity, non-union, infection, secondary surgery and operative time were compared between the fibula fixation and non-fixation groups.@*RESULTS@#A total of 11 publications were included, six randomised controlled trials and five case-control trials, eight of which were of high quality. A total of 813 cases were included, of which 383 were treated with fibula fixation and 430 with unfixed fibulae.Meta-analysis results showed that fixation of the fibulae in the treatment of tibiofibular fractures reduced the rates of postoperative rotational deformity[RR=0.22, 95%CI(0.10, 0.45), P<0.000 1] and internal/external deformity[RR=0.34, 95%CI(0.14, 0.84), P=0.02] and promoted fracture healing [RR=0.76, 95%CI(0.58, 0.99), P=0.04]. In contrast, the rates of poor reduction [RR=0.48, 95% CI(0.10, 2.33), P=0.36], anterior/posterior deformity[RR=1.50, 95%CI(0.76, 2.96), P=0.24], infection[RR=1.43, 95%CI(0.76, 2.72), P=0.27], secondary surgery[RR=1.32, 95%CI(0.82, 2.11), P=0.25], and operative time[MD=10.21, 95%CI(-17.79, 38.21), P=0.47] were not statistically significant (P>0.05) for comparison.@*CONCLUSION@#Simultaneous fixation of the tibia and fibula is clinically more effective in the treatment of tibiofibular fractures.


Subject(s)
Humans , Fibula/surgery , Fractures, Bone/complications , Tibia/surgery , Fracture Healing , Fracture Fixation, Internal , Treatment Outcome
2.
Acta ortop. bras ; 32(spe1): e268462, 2024. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1556715

ABSTRACT

ABSTRACT Objective: To evaluate the advantages and disadvantages of bone reconstruction and lengthening compared to amputation in the treatment of tibial hemimelia for patients and their families. Methods: Systematic review of articles published in English and Portuguese between 1982 and 2022 in the MEDLINE, PubMed, Cochrane and SciELO databases. The variables of interest were: year of publication, sample characteristics, classification of tibial hemimelia according to Jones, treatment outcome and follow-up time. Results: A total of eleven articles were included in the scope of this review. The studies involved 131 patients, 53.4% male and 46.6% female. The age of the patients who underwent a surgical procedure ranged from 1 year and 10 months to 15 years. The most common type was Jones' I (40.9%). The most recurrent complications in the reconstruction treatment were: infection of the external fixator path, flexion contracture (mainly of the knee), reduction in the range of motion of the knee and ankle. Conclusion: We did not find enough relevant studies in the literature to prove the superiority of reconstruction. Amputation remains the gold standard treatment for tibial hemimelia to this day. Level of Evidence III, systematic review of level III studies


RESUMO Objetivo: Avaliar as vantagens e desvantagens da reconstrução óssea e alongamento comparada à amputação no tratamento da hemimelia tibial para pacientes e familiares. Métodos: Revisão sistemática, com análise de artigos publicados nas línguas inglesa e portuguesa entre 1982 e 2022, nas bases de dados MEDLINE, PubMed, Cochrane e SciELO. As variáveis de interesse foram: ano de publicação, característica da amostra, classificação da hemimelia tibial segundo Jones, desfecho do tratamento e tempo de seguimento. Resultados: Fizeram parte do escopo desta revisão onze artigos. Os estudos envolveram 131 pacientes, 53,4% do sexo masculino e 46,6% do feminino. A idade dos pacientes submetidos a algum procedimento cirúrgico variou de 1 ano e 10 meses a 15 anos. O tipo mais comum foi o I de Jones (40,9%). As complicações mais recorrentes no tratamento pela reconstrução foram: infecção do trajeto de pinos do fixador externo, contratura em flexão (principalmente do joelho), redução do arco de movimento de joelho e tornozelo. Conclusão: Não encontramos na literatura estudos suficientemente relevantes para comprovar a superioridade da reconstrução. A amputação se mantém até os dias de hoje o tratamento padrão-ouro para hemimelia tibial. Nível de evidência III; revisão sistemática de estudos de nível III.

3.
Rev. bras. ortop ; 58(5): 808-812, Sept.-Oct. 2023. graf
Article in English | LILACS | ID: biblio-1529944

ABSTRACT

Abstract The present study reports a rare case of avulsion fracture of the tibial tuberosity in an adolescent. A 14-year-old male patient sprained his left knee during a soccer match. At the first emergency-room visit, he presented pain in his left knee, 2 +/4+ edema, and inability to walk and flex the affected knee, but no neurovascular changes or signs of compartment syndrome. Radiographs revealed a physeal fracture at the left proximal tibia, classified by Ogden, Tross and Murphy, and modified by Ryu and Debenham, as type IV, and complemented by Aerts et al. as type IV-B. Immobilization was performed with a plaster cast from the inguinal to malleolar regions, followed by analgesia. The patient was operated on the next day, when open reduction and internal fixation using 4.5-mm cannulated screws were performed. The patient was discharged one day after surgery, with plaster cast immobilization and load restraint for four weeks, and bone consolidation was radiologically confirmed three months after the procedure. The patient evolved with a range of motion similar to that of the contralateral limb, no length discrepancy in the lower limbs, and no complaints after one year of follow-up.


Resumo O presente estudo tem como objetivo relatar um caso raro de fratura por avulsão da tuberosidade da tíbia em adolescente. Um paciente de 14 anos, do sexo masculino, sofreu entorse de joelho esquerdo durante partida de futebol. No primeiro atendimento em pronto-socorro, ele apresentava dor no joelho esquerdo, edema 2 +/4 + , incapacidade de deambulação e de flexo-extensão do joelho acometido, sem alterações neurovasculares ou sinais de síndrome compartimental. Nas radiografias, identificou-se fratura fisária na tíbia proximal esquerda, classificada por Ogden, Tross e Murphy, com modificação por Ryu e Debenham, como tipo IV, e complementada por Aerts et al. como tipo IV-B. Foi realizada imobilização com tala gessada inguino-maleolar e analgesia, e o paciente submetido a cirurgia no dia seguinte, com redução aberta e fixação interna utilizando parafusos canulados 4,5 mm. O paciente recebeu alta no dia seguinte à cirurgia, sendo mantida a imobilização com tala gessada e a restrição de carga por quatro semanas, e apresentou consolidação óssea confirmada por radiografia com três meses do pós-operatório. O paciente evoluiu sem discrepância de comprimento dos membros inferiores, arco de movimento igual ao do membro contralateral, e sem queixas no seguimento de um ano.


Subject(s)
Humans , Male , Adolescent , Tibial Fractures , Fractures, Avulsion , Knee Injuries
4.
Rev. bras. ortop ; 58(4): 571-579, July-Aug. 2023. tab, graf
Article in English | LILACS | ID: biblio-1521807

ABSTRACT

Abstract Objective This study aims to analyze outcomes and clinical and epidemiological data of infected tibial pseudarthrosis using the Ilizarov method and the Orr dressing. Methods Data from n = 43 patients diagnosed with infected tibial pseudarthrosis were analyzed by descriptive and inferential statistical methods. In addition, Paley's assessment criteria evaluated bone and functional outcomes. Qualitative variables were presented as the distribution of absolute and relative frequencies. The presentation of quantitative variables followed the D'Agostino-Pearson test. Results Thirty-seven (86.04%) subjects were males, and six (13.95%) were females. The most frequent age group among patients was 50 to 59 years old (25.6%), with a p-value = 0.8610. The treatment time was longer for the trifocal treatment (23.8 months) when compared to the bifocal treatment (15.6 months), with a p-value = 0.0010* (highly significant). Excellent bone outcomes represented 72.09% of the sample; 23.25% of outcomes were good. Functional outcomes were excellent in 55.81%, good in 6.97%, and regular in 27.90% of subjects. The Orr dressing (using Vaseline gauze) proved effective, achieving wound healing with soft tissue coverage in all patients evaluated. Conclusions The Ilizarov method resulted in a substantial change in the treatment of bone infections, especially infected pseudarthrosis. The versatility of this method has turned it into an effective tool, allowing the healing of the infectious process and the correction of potential deformities and shortening.


Resumo Objetivo Analisar os resultados e os dados clínicos e epidemiológicos do tratamento das pseudoartroses infectadas da tíbia pelo método de Ilizarov associado ao curativo de Orr. Métodos Para analisar os dados de n = 43 pacientes com diagnóstico de pseudoartrose infectada da tíbia foram aplicados métodos estatísticos descritivos e inferenciais e os resultados ósseos e funcionais foram avaliados de acordo com os critérios de avaliação de Paley. As variáveis qualitativas foram apresentadas por distribuição de frequências absolutas e relativas. As variáveis quantitativas foram apresentadas pelo teste de DAgostino-Pearson. Resultados Foi encontrado que 37 (86,04%) eram do sexo masculino, 6 (13,95%) femininos. A faixa etária mais frequente entre os pacientes foi de 50 a 59 anos (25.6%), p-valor = 0.8610. O tempo de tratamento é maior no tratamento trifocal (23.8 meses) quando comparado com o Bifocal (15.6 meses), p-valor =0.0010* (altamente significante). Os resultados ósseos excelentes representaram 72,09%, 23,25% foram de resultados considerados bons. Os resultados funcionais considerados excelentes foram 55,81%, os resultados bons foram 6,97%, resultados regulares foram 27,90. O curativo com gaze vaselinada (curativo de Orr) mostrou-se eficaz, alcançando assim a cicatrização das feridas com cobertura de partes moles em todos os pacientes avaliados. Conclusões O método de Ilizarov proporcionou uma mudança substancial no tratamentos das infecções ósseas, especialmente das pseudoartroses infectadas. A versatilidade deste método se transformou em uma ferramenta eficaz, permitindo a cura do processo infeccioso, bem como correção das possíveis deformidades e do encurtamento.


Subject(s)
Humans , Male , Female , Middle Aged , Pseudarthrosis/therapy , Tibia/pathology , Treatment Outcome , Ilizarov Technique/rehabilitation
5.
Rev. Fac. Med. Hum ; 23(2)abr. 2023.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1514798

ABSTRACT

El síndrome FATCO (fibular aplasia, tibial camptomelia, oligosyndactyly) está caracterizado por la presencia de anomalías en miembros inferiores. Es una enfermedad, de la cual no se ha precisado la etiología genética hasta la actualidad; sin embargo, se ha planteado que el tipo de herencia es dominante autosómica. La frecuencia de presentación a nivel global es muy rara y esta es la razón principal de los pocos pacientes publicados hasta la fecha. Existe un reporte de la presentación inusual de catorce pacientes peruanos, diagnosticados en un solo centro, con las características clínicas del síndrome FATCO en un período de 13 años. A la fecha, se han publicado catorce pacientes a nivel mundial, con los cuales se comparó y discutió los datos clínicos y radiológicos. Además, se analizaron las características demográficas, antecedentes familiares, sexo, edad y anomalías concomitantes.


The fibular aplasia, tibial campomelia, oligosyndactyly (FATCO) syndrome is characterized by the variable leg anomalies. The genetic etiology of this disease has not been determined to date; however, it has been suggested that the genetic inheritance is autosomal dominant. The frequency of presentation globally is infrequent and this is the main reason for the low number of patient reports. There's a report of the unusually high presentation of 14 peruvian patients diagnosed at a single center with the clinical features of FATCO syndrome over a 13-year period. We compare and discuss the clinical and radiological data of our patients with those of the 14 cases described worldwide. In addition, the demographic characteristics, family history, sex, age, and concomitant anomalies are analyzed.

6.
Rev. bras. ortop ; 58(2): 326-330, Mar.-Apr. 2023. tab
Article in English | LILACS | ID: biblio-1449798

ABSTRACT

Abstract Objective Medial open wedge high tibial osteotomy (MOWHTO) significantly relieves pain in the medial joint line in medial compartment osteoarthritis of the knee. But some patients complain of pain over the pes anserinus even 1 year after the osteotomy, which may require implant removal for relief. This study aims to define the implant removal rate after MOWHTO due to pain over the pes anserinus. Methods One hundred and three knees of 72 patients who underwent MOWHTO for medial compartment osteoarthritis between 2010 and 2018 were enrolled in the study. Knee injury and osteoarthritis outcome score (KOOS), Oxford knee score (OKS), and visual analogue score (VAS) were assessed for pain in the medial knee joint line (VAS-MJ) preoperatively, 12 months postoperatively, and yearly thereafter; adding VAS for pain over the pes anserinus (VAS-PA). Patients with VAS-PA ≥ 40 and adequate bony consolidation after 12 months were recommended implant removal. Results Thirty-three (45.8%) of the patients were male and 39 (54.2%) were female. The mean age was 49.4 ± 8.0 and the mean body mass index was 27.0 ± 2.9. The Tomofix medial tibial plate-screw system (DePuy Synthes, Raynham, MA, USA) was used in all cases. Three (2.8%) cases with delayed union requiring revision were excluded. The KOOS, OKS, and VAS-MJ significantly improved 12 months after MOWHTO. The mean VAS-PA was 38.3 ± 23.9. Implant removal for pain relief was needed in 65 (63.1%) of the103 knees. The mean VAS-PA decreased to 4.5 ± 5.6 3 months after implant removal (p < 0.0001). Conclusion Over 60% of the patients may need implant removal to relieve pain over the pes anserinus after MOWHTO. Candidates for MOWHTO should be informed about this complication and its solution.


Resumo Objetivo A osteotomia tibial alta com cunha de abertura medial (MOWHTO, do inglês medial open wedge high tibial osteotomy) alivia de forma significativa a dor na linha articular medial em casos de osteoartrite do compartimento medial do joelho. Alguns pacientes, porém, se queixam de dor nos tendões dos músculos sartório, grácil e semitendinoso (pata de ganso) mesmo 1 ano após a osteotomia, o que pode exigir a remoção do implante. Este estudo define a taxa de remoção do implante após a MOWHTO devido à dor nos tendões dos músculos sartório, grácil e semitendinoso. Métodos Cento e três joelhos de 72 pacientes submetidos à MOWHTO para tratamento da osteoartrite do compartimento medial entre 2010 e 2018 foram incluídos no estudo. A pontuação de desfecho de lesão no joelho e osteoartrite (KOOS, do inglês Knee Injury and Osteoarthritis Outcome Score), a pontuação dejoelho de Oxford (OKS, do inglês Oxford Knee Score) e a escala visual analógica (EVA) de dor na linha articular medial do joelho (EVA-MJ) foram avaliados antes da cirurgia. A EVA nos tendões dos músculos sartório, grácil e semitendinoso (EVA-PA) foi adicionada a essas avaliações, também realizadas 12 meses após o procedimento e, a seguir, anualmente. A remoção do implante foi recomendada em pacientes com EVA-PA ≥ 40 e consolidação óssea adequada em 12 meses. Resultados Trinta e três (45,8%) pacientes eram homens e 39 (54,2%), mulheres. A média de idade foi de 49,4 ±8,0, e o índice de massa corpórea (IMC) médio foi de 27,0 ± 2,9. O sistema placa-parafuso tibial medial Tomofix (DePuy Synthes, Raynham, MA, EUA) foi utilizado em todos os casos. Três (2,8%) casos foram excluídos devido ao retardo de consolidação e à necessidade de revisão. Os resultados nas escalas KOOS, OKS e EVA-MJ melhoraram significativamente 12 meses após a MOWHTO. A EVA-PA média foi de 38,3 ± 23,9. A remoção do implante para alívio da dor foi necessária em 65 (63,1%) dos 103 joelhos. Três meses após a remoção do implante, a EVA-PA média diminuiu para 4,5 ± 5,6 (p < 0,0001). Conclusão A remoção do implante pode ser necessária em mais de 60% dos pacientes para alívio da dor nos tendões dos músculos sartório, grácil e semitendinoso após a MOWHTO. Os candidatos à MOWHTO devem ser informados sobre esta complicação e sua resolução.


Subject(s)
Humans , Osteotomy , Surgical Wound Infection , Tibia/surgery , Bone Plates , Bone Transplantation , Device Removal
7.
Rev. bras. ortop ; 58(2): 313-319, Mar.-Apr. 2023. tab, graf
Article in English | LILACS | ID: biblio-1449792

ABSTRACT

Abstract Objectives To describe a series of cases of tibial fractures surgically treated using the posterior approach as described by Carlson, focusing on evaluating its functional results and complication rate. Methods Eleven patients with tibial plateau fractures, who underwent surgical treatment using the Carlson approach from July to December 2019, were followed-up. The minimum follow-up period was defined as 6 months. The American Knee Society Score (AKSS), American Knee Society Score/Function (AKSS/Function) and the Lysholm score were used to check treatment results at 6 months after the fracture. The patients underwent standard anteroposterior and lateral radiographs to assess fracture healing, and clinical healing was determined by the absence of pain during full weight-bearing. Results The mean follow-up period was 12 months (9-16 months). The primary mechanism of trauma was motorcycle accident, and the most prevalent side of fracture was the right side. Eight participants were male. The mean age of the patients was 28 years. All fractures healed, and none of the patients presented complications. The AKSS was excellent in 11 patients, with a mean AKSS/Function of 99.1±3, and Lysholm scores with a median of 95.0±5.6. Conclusions The Carlson approach for posterior fractures of the tibial plateau can be considered safe, presenting a low complication rate and satisfactory functional results.


Resumo Objetivos O objetivo deste trabalho é descrever uma série de casos de fraturas de tíbia submetidas ao tratamento cirúrgico pela via posterior de Carlson para avaliação de resultados funcionais e frequência de complicações. Métodos Onze pacientes com fraturas do platô tibial foram submetidos a tratamento cirúrgico pela via de Carlson de julho a dezembro de 2019 e acompanhados por um período mínimo de 6 meses. As pontuações American Knee Society Score (AKSS), American Knee Society Score/Function (AKSS/Função) e de Lysholm verificaram os resultados do tratamento 6 meses após a fratura. Os pacientes foram submetidos a radiografias comuns em incidência anteroposterior e de perfil para avaliação da consolidação da fratura e a cicatrização clínica foi determinada pela ausência de dor à descarga total de peso. Resultados O período médio de acompanhamento foi de 12 meses (9 a 16 meses). O principal mecanismo de trauma foi acidente motociclístico e a fratura foi mais prevalente no lado direito. Oito pacientes eram do sexo masculino. A média de idade dos pacientes foi de 28 anos. Todas as fraturas cicatrizaram e nenhum paciente apresentou complicações. A AKSS foi excelente em 11 pacientes, com AKSS/Função média de 99,1 ±3, e a mediana das pontuações de Lysholm foi de 95,0 ±5,6. Conclusões Nas fraturas posteriores do platô tibial, a abordagem de Carlson pode ser considerada segura, apresentando baixo índice de complicações e resultados funcionais satisfatórios.


Subject(s)
Humans , Male , Female , Outcome and Process Assessment, Health Care , Tibial Fractures/surgery , Tibial Fractures/complications
8.
Rev. bras. ortop ; 58(2): 206-210, Mar.-Apr. 2023. tab, graf
Article in English | LILACS | ID: biblio-1449791

ABSTRACT

Abstract Objectives To perform a systematic review of the literature on the anatomy of the medial meniscotibial ligaments (MTLs), and to present the most accepted findings, as well as the evolution of the anatomical knowledge on this structure. Materials and Methods An electronic search was conducted in the MEDLINE/PubMed, Google Scholar, EMBASE and Cochrane library databases with no date restrictions. The following index terms were used in the search: anatomy AND meniscotibial AND ligament AND medial. The review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. We included anatomical studies of the knee were included, such as cadaver dissections, histological and/or biological investigations, and/or imaging of the medial MTL anatomy. Results Eight articles that met the inclusion criteria were selected. The first article was published in 1984 and the last, in 2020. The total sample in the 8 articles was of 96 patients. Most studies are purely descriptive in terms of the macroscopic morphological and microscopic histological findings. Two studies evaluated the biomechanical aspects of the MTL, and one, the anatomical correlation with the magnetic resonance imaging examination. Conclusion The main function of the medial MTL, a ligament that originates in the tibia and is inserted in the lower meniscus, is to stabilize and maintain the meniscus in its position on the tibial plateau. However, there is a limited amount of information regarding medial MTLs, primarily in terms of anatomy, especially vascularization and innervation.


Resumo Objetivos Fazer uma revisão sistemática da literatura sobre a anatomia dos ligamentos meniscotibiais (LMTs) mediais, e apresentar os achados mais aceitos e a evolução das informações anatômicas sobre essa estrutura. Materiais e Métodos A busca eletrônica foi realizada nos bancos de dados MEDLINE/PubMed, Google Scholar, EMBASE e Cochrane, sem restrições de data. Os seguintes termos de indexação foram utilizados: anatomy AND meniscotibial AND ligament AND medial. A revisão seguiu as recomendações da declaração de Principais Itens para Relatar Revisões Sistemáticas e Metanálises (Preferred Reporting Items for Systematic Reviews and Meta-Analyses, PRISMA, em inglês). Foram incluídos estudos anatômicos do joelho, como dissecções de cadáveres, investigações histológicas e/ou biológicas, e/ou imagens da anatomia do LMT medial. Resultados Oito artigos atenderam aos critérios de inclusão e foram selecionados. O primeiro foi publicado em 1984, e o último, em 2020. A amostra total nos 8 artigos foi de 96 pacientes. A maioria dos estudos é puramente descritiva em relação aos achados morfológicos macroscópicos e histológicos microscópicos. Dois estudos avaliaram os aspectos biomecânicos do LMT, e um analisou a correlação anatômica com o exame de ressonância magnética. Conclusão A principal função do LMT medial, ligamento que se origina na tíbia e se insere no menisco inferior, é estabilizar e manter a posição do menisco no platô tibial.


Subject(s)
Humans , Tibia/anatomy & histology , Meniscus/anatomy & histology , Knee/anatomy & histology , Ligaments
9.
China Journal of Orthopaedics and Traumatology ; (12): 1165-1168, 2023.
Article in Chinese | WPRIM | ID: wpr-1009205

ABSTRACT

OBJECTIVE@#To measure and compare medial proximal tibial angle (MPTA) of lower limbs under different axial rotation angles(neutral position, 30° internal rotation, 30° external rotation) on the load position radiographs, and explore changes and significance of MPTA measured within and between groups of tibia at different axial rotation positions.@*METHODS@#From January 2018 to December 2018, 40 patients with knee osteoarthritis (KOA) were selected, with a total of 80 limbs, including 12 males and 28 females, aged from 29 to 73 years old with an average of (59.6±12.7) years old. Full length radiographs of the lower limbs were taken on neutral tibia position, 30° internal rotation and 30° external rotation, respectively. MPTA was measured and the results were compared between groups and within groups.@*RESULTS@#MPTA measured on the left lower extremity of neutral tibia, 30° internal rotation and 30° external rotation were (86.08±2.48) °, (88.62±2.94) ° and (83.47±3.10) °, respectively. MPTA measured on the right lower limb were (86.87±1.97) °, (89.02±2.39) ° and (83.80±2.77) °, respectively, and there were no significant difference in MPTA measured between rotation angle group (P>0.05). While there were statistical difference in MPTA on the same limb between groups (P<0.05). On 30° internal rotation, MPTA of left and right lower limbs increased by (2.54±1.74) ° and (2.15±1.78) ° compared with tibia neutral position. On 30° external rotation, MPTA of left and right lower limbs decreased (2.61±2.03) ° and (3.07±1.75) ° compared with tibial neutral position.@*CONCLUSION@#When a full-length X-ray film is taken on the weight-bearing position of both lower limbs, if there is axial rotation or external rotation of tibia, MPTA will increase or decrease compared with neutral position, which may cause a certain degree of deviation in clinical operation based on the accurate measurement of MPTA. However, the extent to which this bias affects the clinical operation effect remains to be verified. In addition, limited by the total number of samples and the number of measurement groups, whether there is a linear relationship between MPTA deviation and tibial axial rotation needs to be further studied.


Subject(s)
Male , Female , Humans , Adult , Middle Aged , Aged , Tibia/surgery , Lower Extremity , Osteoarthritis, Knee/surgery , Radiography , Osteotomy/methods , Knee Joint/surgery , Retrospective Studies
10.
China Journal of Orthopaedics and Traumatology ; (12): 1100-1106, 2023.
Article in Chinese | WPRIM | ID: wpr-1009193

ABSTRACT

OBJECTIVE@#To investigate the effect of intramedullary nail fixation (IMN) and minimally invasive percutaneous plate internal fixation (MIPPO) techniques on tibiofibular fractures and their effect on platelet activation and serum transforming growth factor-β1 (TGF-β1) and bone morphogenetic protein-2 (BMP-2).@*METHODS@#Total of 105 patients with tibiofibular fractures from February 2019 to February 2020 were selected and divided into 53 cases in the MIPPO group and 52 cases in the IMN group. There were 29 males and 24 females with an average age of (41.74±6.05) years old in MIPPO group;in IMN group, 31 males and 21 females with an average age of (40.59±5.26) years old. The perioperative surgical indexes, postoperative complications, ankle function recovery at 12 months postoperatively, platelet activation indexes at 3 and 7 days preoperatively and postoperatively, and serum TGF-β1 and BMP-2 levels at 4 and 8 weeks preoperatively and postoperatively were compared between the two groups.@*RESULTS@#The operating time and fracture healing time in the MIPPO group were shorter than those in the IMN group(P<0.05); Compared with the preoperative period, the levels of GMP-140, PAC-1, CD63, and CD61 increased in both groups at 3 and 7 days after surgery, but were lower in the MIPPO group than in the IMN group(P<0.05);the levels of serum TGF-β1 and BMP-2 increased in both groups at 4 and 8 weeks after surgery compared with the preoperative period, and the postoperative complication rate in the MIPPO group was lower than that in the IMN group(P<0.05);the difference was not statistically significant in the excellent rate of ankle function recovery at 12 months follow-up after surgery between two groups(P>0.05).@*CONCLUSION@#Both intramedullary nail fixation and MIPO technique for treatment of tibia and fibula fractures can improve ankle joint function, but the latter has the advantages of short operation time, fast fracture healing, fewer complications, and light platelet activation. Serum TGF-β1, BMP-2 level improves quickly.


Subject(s)
Male , Female , Humans , Adult , Middle Aged , Tibia/injuries , Transforming Growth Factor beta1 , Fracture Fixation, Intramedullary/methods , Tibial Fractures/surgery , Fracture Fixation, Internal/methods , Bone Plates , Fracture Healing , Postoperative Complications , Fractures, Multiple , Treatment Outcome , Bone Morphogenetic Proteins , Minimally Invasive Surgical Procedures/methods , Retrospective Studies
11.
China Journal of Orthopaedics and Traumatology ; (12): 943-948, 2023.
Article in Chinese | WPRIM | ID: wpr-1009165

ABSTRACT

OBJECTIVE@#To observe the clinical efficacy of intercondylar fossa plasty in preventing intercondylar fossa impingement syndrome after high tibial osteotomy.@*METHODS@#From August 2018 to August 2020, 84 patients with inverted knee osteoarthritis were treated by arthroscopy combined with high tibial osteotomy, and were divided into two groups with 42 cases in each group according to different surgical methods. In the intercondylar fossa plasty group, there were 13 males and 29 females, age ranged from 52 to 67 years old with an average of(58.27±4.32) years old, and arthroscopic intercondylar fossa plasty was performed first, and then high tibial osteotomy. In the arthroscopic cleansing group, 16 males and 26 females, age ranged from 50 to 71 years old with an average of (59.02±5.14) years old, underwent arthroscopic cleansing and then high tibial osteotomy. Postoperative treatment was evaluated using visual analogue scale(VAS), hospital for special surgery (HSS) score for the knee, and the occurrence of intercondylar percussa impingement.@*RESULTS@#All 84 patients were followed up, the duration ranged from 12 to 18 months with an average of (14.1±1.6) months. The VAS and HSS score of knee joint at 6, 12 and 18 months after surgery were significantly improved compared with preoperative period, and there was no significant difference between the two groups (P>0.05), but the incidence of intercondylar fossa index and intercondylar fossa impact between the two groups was significantly compared 18 months after surgery (P<0.05).@*CONCLUSION@#Intercondylar fossa plasty can effectively prevent the incidence of intercondylar fossa impact after high tibial osteotomy, and has a more significant effect on postoperative knee pain and function improvement.


Subject(s)
Male , Female , Humans , Middle Aged , Aged , Tibia/surgery , Osteoarthritis, Knee/surgery , Knee Joint/surgery , Treatment Outcome , Osteotomy/methods , Pain, Postoperative , Retrospective Studies
12.
Chinese Journal of Orthopaedics ; (12): 969-977, 2023.
Article in Chinese | WPRIM | ID: wpr-993528

ABSTRACT

Objective:To describe the design, manufacture and use of three-dimensional (3D)-printed endoprosthesis for reconstruction after metaphysis-involved intercalary tumor resection and to evaluate its outcome.Methods:Forty-three patients who received metaphysis-involved intercalary tumor resection followed by 3D-printed endoprosthetic reconstruction in Musculoskeletal Tumor Center, Peking University People's Hospital between January 2018 and December 2021 were retrospectively reviewed. There were 25 males and 18 males with an average age of 20.1±15.2 years (range, 4-58 years). The pathological diagnosis included 24 cases of osteosarcomas, 6 cases of Ewing sarcomas, 5 cases of chondrosarcomas, 2 cases of pleomorphic undifferentiated sarcomas, 3 cases of soft-tissue sarcomas (liposarcoma, synovial sarcoma, malignant peripheral nerve sheath tumor for each) and 3 others (adamantinoma, recurrent aneurysmal bone cyst and recurrent osteofibrous dysplasia for each). The tumors located at femur in 25 patients (58%), including 14 lesions involving distal femoral metaphysis and 11 lesions involving both proximal and distal metaphysis; the tumors located at tibia in 11 patients (26%), including 4 lesions involving distal tibial metaphysis, 5 lesions involving proximal tibial metaphysis and 2 lesions involving both proximal and distal tibial metaphysis; the tumors located at humerus in 7 patients (16%), including 1 lesion involving distal humeral metaphysis, 3 lesions involving proximal humeral metaphysis and 3 lesions involving both proximal and distal humeral metaphysis. The endoprosthesis was designed in a semi-modular fashion and consisted of three parts: a diaphysis-fixing component, a semi-modular lap joint component, and a custom-made 3D-printed metaphysis-fixing component which was designed as two types with 3D-printed porous bone-contacting surfaces according to the osteotomy plane (Type I on meta-diaphyseal region, Type II on meta-epiphyseal region). The functional outcome was assessed using Musculoskeletal Tumor Society (MSTS) 93 system.Results:All surgeries were accomplished sucessfully. The median resection length and the distance from osteotomy plane to adjacent joint was 16.0 (13.0, 22.0) cm and 4.5 (3.5, 6.0) cm, respectively. 59 metaphysis-fixing components were installed in 43 patients. Type I components were used in single and dual ends of endoprosthesis in 12 and 6 cases respectively. Type II components were used in single and dual ends in 15 and 5 cases respectively. Hybrid endoprosthesis with Type I and II components were used in 5 cases. The mean follow-up time was 26.0 (17, 37) months (range, 12-54 months). The mean MSTS 93 score was 29.0 (28.0, 30.0) points (range, 21-30 points). Implant failures were found in 5 patients, including 2 cases of aseptic loosening (loosening was observed in the cementing diaphysis-fixing stems while no evidence of loosening in metaphysis-fixing components) and 3 cases of local tumor progression. The 2-year implant survival rate was 90.3% (95% CI: 0.81, 0.99). Conclusion:Using 3D-printed intercalary endoprosthesis for reconstruction after intercalary resection of metaphysis-involved bone tumor shows satisfactory functional outcome and implant survival. Moreover, by assembling endoprosthetic components according to the different osteotomy plane, the semi-modularized endoprosthesis also provids a comprehensive and individualized reconstruction for patients with metaphysis-involved intercalary tumor.

13.
Chinese Journal of Orthopaedics ; (12): 907-914, 2023.
Article in Chinese | WPRIM | ID: wpr-993520

ABSTRACT

Objective:To investigate the prevention and risk factors of deep vein thrombosis (DVT) in the lower extremity after medial open wedge high tibial osteotomy (HTO).Methods:A total of 128 patients who underwent medial open wedge HTO in the Third Hospital of Hebei Medical University from January 2020 to October 2022 were retrospectively analyzed, including 45 males and 83 females, aged 59.3±6.8 years (range, 44-87 years). Postoperative anticoagulation with enoxaparin sodium was applied at a randomized dose of 4,000 AXaIU/d or 6,000 AXaIU/d. Gender, age, history of chronic diseases (hypertension, diabetes), smoking history, body mass index, and body fat percentage were collected. On admission, the risk of DVT was assessed using the Caprini scale and calf circumference was measured. Hemoglobin, D-dimer, antithrombin III, activated partial thromboplastin time (APTT), prothrombin time (PT), fibrinogen (FIB), fibrinogen degradation products (FDP), glutathione, glutathione, urea, creatinine, uric acid were recorded. Patients were divided into DVT group and non-DVT group according to whether DVT occurred after operation. Binary logistic regression was used to analyze the independent risk factors of DVT after HTO. The receiver operating characteristic (ROC) curve was plotted, and the area under curve (AUC) was calculated to analyze the predictive value of the postoperative Caprini scale in the occurrence of DVT after HTO.Results:A total of 128 patients were enrolled, 83 patients were treated with enoxaparin sodium 4 000 AXaIU/d and 45 patients were treated with enoxaparin sodium 6 000 AXaIU/d. According to the results of color Doppler examination of bilateral lower extremity veins on the third day after operation, DVT occurred in 39% (50/128) of patients, including 39 cases of calf intermuscular thrombosis, 6 cases of peroneal vein thrombosis, 4 cases of posterior tibial vein thrombosis, and 1 case of popliteal vein thrombosis. DVT occurred in 36% (30/83) of patients receiving 4 000 AXaIU/d enoxaparin sodium and 44% (20/45) of patients receiving 6 000 AXaIU/d enoxaparin sodium, with no statistically significant difference (χ 2=0.84, P=0.358). Univariate analysis showed that smoking history, postoperative Caprini scale≥8, and female may be associated with the development of DVT after HTO ( P<0.05). They were included in the binary logistic regression, and the results showed that postoperative Caprini scale≥8 was an independent risk factor for DVT after HTO. The ROC curve of postoperative Caprini scale for predicting DVT after HTO was drawn, and the AUC was 0.847 (95% CI: 0.73, 0.96), the optimal cut-off value was 8, and the sensitivity and specificity were 84.2% and 77.6%, respectively. Conclusion:Caprini scale≥8 is an independent risk factor for DVT after medial open wedge HTO. Caprini scale has a good value in predicting the occurrence of DVT after HTO. The recommended dose of enoxaparin sodium is 4 000 AXaIU/d for the prevention of postoperative DVT, and increasing the dose is not associated with a decreased risk of DVT.

14.
Chinese Journal of Orthopaedics ; (12): 869-877, 2023.
Article in Chinese | WPRIM | ID: wpr-993515

ABSTRACT

Objective:To investigate the outcome of surgical treatment of malignant tumor at the distal tibial after reconstruction with modular hinged ankle prosthesis.Methods:The data of 9 patients with malignant tumor at the distal tibia at Musculoskeletal Tumor Center of PKUPH from June 2020 to November 2021 were analyzed retrospectively. They were male patients with age of 17 (14, 24) years (range 11-56 years). There were five tumors at the left sides and four at the right sides. There were eight patients with osteosarcoma who received the neo-chemotherapy. Among eight osteosarcomas, one was Enneking IIA and seven Enneking IIB. Furthermore, there was only one patient with renal carcinama and with solitary metastatic lesion at the distal tibia. After the resection of tumor at the distal tibia, talus cartilage was removed and talus component was fixed by lag screws. The proper tibia component was used to restore the defect of tibia and the reduction of tibia and talus components were performed. The following clinical data were collected: baseline demographic features, surgical and follow-up data. The baseline demographic features included gender, age, side, lung or/and other metastasis at initial diagnosis, Enneking stage or systematic progression for renal carcinama, histological type. The surgical data included: surgery time, blood loss, length of bone involved by the tumor, prosthesis type. Monitoring data was also recorded: complications (ankle pain when loading, talar collapse, component loosing, infection and wound dehiscence), local recurrence, pulmonary and systematic metastasis, radiological image and the function at the last follow-up (MSTS and VAS evaluation).Results:Among these nine patients, the average blood loss was 245.6±103.9 ml (range 100-400 ml) and the mean surgery time was 178.9±56.9 mins (range 120-300 min). No patient was lost during the follow-up period and the average follow-up was 21.4±5.6 months (range 12.5-27.2 months). The excision length of tibia was 14 (11, 17) cm (range 11-28 cm). There were one case with 2# prosthetic base, three cases with 3# and five cases with 4#. Five had cement fixation of prosthetic stem and four had the pressing fixation. No pulmonary and other organ metastasis occurred among eight patients with osteosarcoma and one patient with distal tibia matastasis of renal carcinama. One patient with OShad the local recurrence and received the resection. One sustained the deep infection after four months and received the removal of prosthesis and spacer implant. At the final follow-up, except one with deep infection and receiving the removal of prosthesis and spacer implant, eight patients were assessed for the function. The average MSTS was 97.1%±3.3% (range 93%-100%). The VAS of all patients was 0. One patient with prosthesis removal had no functional evaluation. At the final follow-up, all patients walked without crutch. No breakage and loosening of prosthetic stem, talar collapse, prosthetic sinking and ankle pain occurred at the final follow-up.Conclusion:The early satisfactory outcome can be obtained for patients with segmental defect after resection of malignant tumor at the distal tibia, who received the newly designed modular hinged ankle prosthesis. Meanwhile, it's worth promoting in the reconstruction of large segmental defect at the distal tibia.

15.
Chinese Journal of Orthopaedics ; (12): 858-862, 2023.
Article in Chinese | WPRIM | ID: wpr-993513

ABSTRACT

To report the short-term clinical outcome of three cases of distal tibial osteosarcoma treated with a novel 3D-printed ankle fusion prosthesis for limb preservation. The patients were admitted to the Department of Bone Tumor, Shanghai General Hospital from January 2020 to June 2021, with one male and two female cases, aged 18, 12, and 14 years, respectively, all diagnosed with distal tibial osteosarcoma (Ennecking stage IIb). A new self-designed ankle fusion prosthesis was used to perform osteosarcoma resection and prosthetic reconstruction of the distal tibia. The operation time, blood loss, postoperative American Orthopedic Foot and Ankle Society Score (AOFAS) and ankle range of motion were recorded. All the 3 patients successfully completed the operation and were followed up for 22 months, 18 months and 12 months, respectively. The operation time was 140 min, 110 min and 200 min, and the blood loss was 200 ml, 200 ml and 350 ml, respectively. At the last follow-up, the AOFAS were 86, 90 and 95 points, and the range of motion of ankle flexion and extension were 30°, 15° and 30°. There was no local recurrence or lung metastasis at the last follow-up. The novel 3D-printed ankle fusion prosthesis in the distal tibia is safe and effective for the reconstruction of bone defects after resection of osteosarcoma in the distal tibia, and the early postoperative function is satisfactory.

16.
Chinese Journal of Orthopaedics ; (12): 659-664, 2023.
Article in Chinese | WPRIM | ID: wpr-993488

ABSTRACT

A total of 6 patients were treated with surface knee joint prosthesis combined with 3D-printed customized bionic tibial block for reconstruction of bone defect after giant cell tumor (GCT) in proximal tibia (1 male and 5 females, aged 50, 40, 68, 53, 35, 42, respectively). 3 patients with primary and 3 patients with recurrence of GCT. After resection of the tumor, the bone defect was filled with 3D-printed block combined with surface knee prosthesis, the surrounding ligaments were reconstructed with microporous structure and artificial mesh. All cases were followed up for 60, 90, 60, 60, 75, and 50 months, respectively. During the follow-up, there was no local recurrence, no radiolucent lines around prosthesis, and no signs of loosening. The clinical scores of the American Knee Society Score (KSS) were 87, 92, 85, 90, 95 and 78. The functional scores were 70, 100, 70, 100, 100 and 80 respectively. Musculoskeletal Tumor Society Score (MSTS) were 27, 28, 26, 26, 26, 27, respectively. Surface knee prosthesis combined with bionic block can effectively fill the bone defect after resection of GCT in proximal tibia, achieve anatomical and functional reconstruction of knee joint.

17.
Chinese Journal of Orthopaedics ; (12): 598-604, 2023.
Article in Chinese | WPRIM | ID: wpr-993481

ABSTRACT

The reconstruction of the posterior cruciate ligament (PCL) through the tibial tunnel is the most commonly used reconstruction technique after ligament injury.However, when the graft passes through the tibial tunnel back to the medial condyle of the femur, a sharp angle is formed at the proximal end of the tibia, called the "killer turn". The existence of the "killer turn" can lead to graft wear and expansion of adjacent tibial tunnel after PCL reconstruction, affecting the stability of the posterior knee joint after operation and even leading to the failure of operation. There are several techniques, such as modifified tibial tunnel technique which the proximal exit of tibial tunnel is located in the inferior and lateral aspect of the PCL tibial anatomic insertion site, increasing the angle between the tibial tunnel and the tibial plateau, creating a tibial tunnel from the anterior lateral side of the tibia, remnant preserving as soft tissue cushion, and inlay and onlay techniques for reconstructing PCL without using tibial tunnel reconstruction, can reduce the "killer turn" effect. The above 6 techniques, theoretically, can effectively reduce or eliminate the "killer turn" effect and improve the posterior stability of the knee joint after PCL reconstruction, so as to improve the clinical efficacy of PCL reconstruction. But, the number of cases using these techniques is relatively small, and their effectiveness, reliability, and advantages and disadvantages for patients still need more clinical practice to further explore and verify.

18.
Chinese Journal of Orthopaedics ; (12): 391-398, 2023.
Article in Chinese | WPRIM | ID: wpr-993454

ABSTRACT

Objective:To explore the clinical value of super micro vascular imaging (SMI) in evaluating the microvascular perfusion of diabetes foot treated by tibial transverse bone transport.Methods:A retrospective study of 18 diabetic foot patients who underwent tibial transverse bone transport in the Second Hospital of Shanxi Medical University from May 2019 to December 2021 were analysed, including 12 males and 6 females, with an average age of 64.89±14.34 years (range, 30-90 years). All patients had varying degrees of foot ulcer. Before and after the operation, the blood vessels of the patient's lower leg and foot were examined. The display rate of low-velocity blood flow was compared between color Doppler flow imaging (CDFI) and SMI; the blood flow and vascular index at the beginning of the first dorsal metatarsal artery before and after operation under SMI were compared; the number and length of new blood vessels were also compared before and after operation.Results:All patients were followed up for at least 2 months. CDFI blood flow display rate was 73.6% (106/144), and SMI blood flow display rate was 80.6% (116/144), the difference was statistically significant (χ 2=4.68, P=0.031). Under SMI, the blood flow at the beginning of the first dorsal metatarsal artery on the affected side was measured before operation 3.38 (1.33, 7.56) ml/min, 1 week after operation 4.19(2.84, 11.48) ml/min and 1 month after operation 3.72 (2.52, 11.40) ml/min, with statistically significant difference (χ 2=9.46, P=0.009). There were statistically significant differences in blood flow at 1 week and 1 month after operation compared with that before operation ( P=0.033, P=0.003). The vascular index at the beginning of the first dorsal metatarsal artery on the affected side was 3.84±3.60, 6.51±4.92 and 6.82±5.36 before operation, 1 week and 1 month after operation, respectively, and the differences were statistically significant( F=4.35, P=0.031). The vascular index in the first week after operation was significantly higher than that before operation ( P=0.026). Up to the last follow-up, the number of new collaterals in 18 patients was 4.5 (2, 8), which was significantly different from 1 (0, 2) before operation ( Z=-3.57, P=0.001). In total, the length of 18 new blood vessels in 9 patients was longer than that before operation, and the establishment of grade 2 and grade 3 branches were observed in 5 patients. The superficial subcutaneous vessels were showed more clarity than that before surgery, and there was collateral circulation on the opposite side. Conclusion:SMI objectively reflects the changes of hemodynamics and microcirculation of patients after tibial transverse bone transport, and helps clinical preliminary predict the prognosis of patients and adjust individual treatment plan according to blood perfusion in time.

19.
Chinese Journal of Orthopaedics ; (12): 104-111, 2023.
Article in Chinese | WPRIM | ID: wpr-993416

ABSTRACT

Objective:To explore the role of navigation-assisted valgus stress method in avoiding excessive correction of lower limb mechanical axis after high tibial osteotomy (HTO).Methods:A retrospective study was carried out on osteoarthritis (OA) patients who were treated with HTO for medial compartment pain of knee from January 2020 to March 2022 in the Department of Joint Surgery, Shanghai Changhai Hospital, the First Affiliated Hospital of Naval Medical University. According to the different ways of confirming alignment during operation, they were divided into computer navigation assisted valgus stress HTO group (referred to as navigation group) and traditional rod fluoroscopy HTO group (referred to as traditional group). There were 28 patients in the navigation group, 10 males and 18 females, with age of 54.4±9.1 years (range, 41-73 years) and body mass index of 26.1±3.3 kg/m 2 (range, 19.8-35.2 kg/m 2); There were 30 patients in the traditional group, 13 males and 17 females, aged 56.9±8.5 years (range, 40-70 years), with a body mass index of 25.7±4.0 kg/m 2 (range, 19.2-32.9 kg/m 2). Measuring the mechanical femoral tibial angle (mFTA), joint line convergence angle (JLCA), medial proximal tibial angle (MPTA), Lysholm score and Hospital for Special Surgery (HSS) score before operation and at the last follow-up of the two groups, and conduct statistical analysis. Results:Both groups were followed up. The follow-up time of navigation group and traditional group was 21.3±8.7 months and 22.5±7.6 months, respectively, with no significant difference ( t=0.53, P=0.596). There were significant differences between the two groups in the amount of mechanical axis correction (ΔmFTA) and the amount of bone correction (ΔMPTA) ( t=2.09, P=0.041; t=2.58, P=0.012), while there was no significant difference in ΔJLCA ( t=0.32, P=0.753). In the navigation group, there were 9 cases (32%) of undercorrection, 17 cases (61%) with acceptable alignment, and 2 cases (7%) with over correction, while in the traditional group, there were 5 cases (17%) with under correction, 13 cases (43%) with acceptable alignment, and 12 cases (40%) with over correction. There was significant difference in the distribution rate of alignment between the two groups ( P=0.012), and the rate of overcorrection in the navigation group was significantly lower than that in the control group (7% vs. 40%, P=0.005). The intra group correlation coefficient between the navigation correction mechanical axis and ΔmFTA was 0.787. There was no significant difference in Lysholm score and HSS score between the two groups before and after surgery (all P>0.05), and they were significantly improved after operation (all P<0.05). Conclusion:Navigation-assisted valgus stress method HTO is reliable, which can accurately achieve the target alignment, reduce the incidence of over correction, and obtain good clinical results.

20.
Chinese Journal of Orthopaedic Trauma ; (12): 718-722, 2023.
Article in Chinese | WPRIM | ID: wpr-992772

ABSTRACT

Objective:To investigate the efficacy of Masquelet induced membrane technique combined with an external locking plate in the treatment of infectious bone defects of the tibia.Methods:A retrospective study was conducted to analyze the data of 32 patients with infectious bone defects of the tibia who had been treated by Masquelet induced membrane technique combined with an external locking plate at Department of Orthopaedic Surgery, The Fourth Hospital of Wuhan from January 2011 to January 2021. There were 22 males and 10 females, with an age of (43.2±13.1) years. The length of bone defects was (5.1±1.3) cm. By the Cierny-Mader classification, there were 12 cases of type Ⅲ and 20 cases of type Ⅳ. The defects were located at the proximal tibia in 11 cases, at the middle tibia in 12, and at the distal tibia in 9. At the last follow-up, the lower limb function was evaluated by the Paley scale, and the quality of life by the 36-Item Short Form Health Survey (SF-36).Results:All the 32 patients were followed up for (21.2±5.7) months. Normal healing was achieved in 30 cases but delayed healing occurred in 2 cases. The external plate and screws were removed at (23.1±4.6) weeks after operation. There was no infection in the original surgical incision or no injury to the nerve, blood vessel or tendon after operation, but nail tract infection occurred more or less in 3 cases. According to the Paley scale at the last follow-up, the lower limb function was evaluated as excellent in 22 cases, as good in 8, and as fair in 2, giving an excellent and good rate of 93.75% (30/32). The SF-36 quality of life score was (88.9±3.8) points.Conclusion:In the treatment of infectious bone defects of the tibia, Masquelet induced membrane technique combined with an external locking plate can achieve satisfactory clinical outcomes due to its effective control of infection, reduction in delayed healing, good stability and good patient tolerance.

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