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1.
Article in Spanish | LILACS, BINACIS | ID: biblio-1552149

ABSTRACT

Introducción: La metatarsalgia central es una causa frecuente de dolor de antepié. La osteotomía de Weil es el tratamiento quirúrgico más popular y la osteotomía metatarsiana distal percutánea (OMDP) es la técnica percutánea más utilizada. La principal desventaja de estas técnicas es la aparición de dedo flotante que es aún mayor cuando se la asocia a artrodesis interfalángica proximal (AIFP). En esta serie de casos, se combinó la OMDP y la osteosíntesis con clavija de Kirschner para elevar el centro de rotación de la cabeza del metatarsiano con el objetivo de disminuir la presencia de dedos flotantes. Nuestra principal hipótesis fue que esta técnica generará menos dedos flotantes en los pacientes con diagnóstico de metatarsalgia mecánica y dedo en martillo rígido, comparada con la osteotomía de Weil. materiales y métodos: Se realizó un estudio retrospectivo en pacientes adultos con diagnóstico de metatarsalgia mecánica y dedo en martillo rígido. Se los sometió a una OMDP más fijación con clavija de Kirschner en combinación con AIFP. Finalmente, se comparó la presencia de dedos flotantes con un grupo de pacientes operados con la técnica de Weil y AIFP. Resultados: Se realizaron 39 OMDP más AIFP. La tasa de dedos flotantes fue del 31%. No hubo una diferencia estadísticamente significativa comparada con la técnica de Weil (36%, p= 0,634). Conclusión: La OMDP con elevación del centro de rotación asociada con AIFP no proporcionó una menor incidencia de dedos flotantes en comparación con la osteotomía de Weil. Nivel de Evidencia: IV


Introduction: Central metatarsalgia is a common cause of forefoot pain. The most common surgical treatment is Weil osteotomy and the most popular percutaneous technique is distal minimally invasive metatarsal osteotomy (DMMO). However, the main disadvantage of these techniques is the appearance of floating toes, which is even greater when associated with proximal interphalangeal arthrodesis. In this series of cases, DMMO was combined with a pin to elevate the center of rotation of the metatarsal head with the aim of reducing the presence of floating toes. Our main hypothesis was that this technique would result in a lower presence of floating toes in patients diagnosed with mechanical metatarsalgia and rigid hammertoe, compared to Weil osteotomies. Materials and methods: A retrospective observational study was carried out on consecutive adult patients diagnosed with mechanical metatarsalgia and rigid hammertoe. DMMO was performed with pin fixation in combination with proximal interphalangeal (PIP) arthrodesis. Finally, the presence of floating toes was compared with a group of patients operated on with the Weil technique and PIP arthrodesis. Results: A total of 39 DMMOs with PIP arthrodesis were performed. The percentage of floating toes was 31% . There was no statistically significant difference compared to the Weil technique (36%, p = 0.634). Conclusion: DMMO for elevation of the center of rotation associated with PIP arthrodesis fixed with a pin did not provide a lower incidence of floating toes compared to Weil osteotomy. Level of Evidence: IV


Subject(s)
Middle Aged , Osteotomy , Toes , Hammer Toe Syndrome , Metatarsalgia
2.
Article in Spanish | LILACS, BINACIS | ID: biblio-1552152

ABSTRACT

Introducción: Las osteotomías supramaleolares son una opción terapéutica para la artrosis asimétrica de tobillo. El objetivo de este artículo es describir los resultados clínicos, radiográficos y subjetivos obtenidos en pacientes con artrosis de tobillo sometidos a una osteotomía supramaleolar. Materiales y métodos: Estudio observacional descriptivo retrospectivo de pacientes sometidos a una osteotomía supramaleolar por artrosis de tobillo entre enero de 2010 y julio de 2017. Se analizaron las historias clínicas para recabar datos clínicos y radiográficos preoperatorios y posoperatorios. Resultados: Se incluyó a 13 pacientes: 8 con una desalineación del tobillo y retropié en valgo (61,5%) y 5 (38,5%) en varo. El puntaje medio posoperatorio de la escala analógica visual del grupo con deformidad en varo disminuyó de 9 ± 0,45 a 3 ± 1 (p <0,05) y de una media de 7,88 ± 0,35 a 2,15 ± 1,64 (p <0,05) en aquellos con deformidad en valgo. El puntaje medio de la escala de la AOFAS se modificó de 32,8 ± 16,2 antes de la cirugía a 82,1 ± 13,6 en el posoperatorio, en el grupo con deformidad en varo (p <0,05) y de 31 ± 17,3 a 93,1 ± 6,20, respectivamente, en aquellos con deformidad en valgo (p <0,05). Se constató la consolidación radiográfica en 12 pacientes (92,3%), en un promedio de 10.4 semanas. Conclusión:La osteotomía supramaleolar como tratamiento de la artrosis asimétrica de tobillo es una técnica predecible, con muy buenos resultados clínicos y radiográficos a corto y mediano plazo. Nivel de Evidencia: IV


Introduction: Supramalleolar osteotomies are a treatment option for asymmetric ankle osteoarthritis. Our work aims to describe the clinical, radiographic, and subjective outcomes obtained in patients with ankle osteoarthritis who underwent a supramalleolar osteotomy (SMOT). Materials and methods: Retrospective, observational, and descriptive study on patients who underwent SMOT for ankle osteoarthritis between January 2010 and July 2017. The patients' clinical records were analyzed. Results: We included 13 patients who underwent SMOT, 8 patients with valgus (61.5%) and 5 (38.5%) with varus rearfoot and ankle misalignment. The mean varus VAS score decreased from 9 ± 0.45 to 3 ± 1 postoperatively (p <0.05) and, in valgus deformities, from a mean 7.88 ± 0.35 to 2.15 ±1.64 postoperatively (p <0.05). The mean AOFAS score changed from 32.8 ± 16.2 to 82.1 ± 13.6 postoperatively in the varus deformity group (p <0.05) and from 31 ± 17.3 preoperatively to 93.1 ± 6.20 postoperatively in the valgus deformity group (p <0.05). Twelve patients (92.3%) achieved radiographic union in an average time of 10.4 weeks. Conclusion:Supramalleolar osteotomy as a treatment for asymmetric ankle osteoarthritis is a predictable technique with very good clinical and radiological outcomes in the short and medium term. Level of Evidence: IV


Subject(s)
Middle Aged , Osteoarthritis , Osteotomy , Treatment Outcome , Ankle Joint
3.
Rev. bras. ortop ; 58(4): 632-638, July-Aug. 2023. tab, graf
Article in English | LILACS | ID: biblio-1521803

ABSTRACT

Abstract Objective To evaluate the safety and reproducibility of the surgery for unstable slipped capital femoral epiphysis (SCFE) through the modified Dunn technique in a single center cohort from Brazil. Methods We retrospectively analyzed a cohort of patients submitted to this procedure by a single surgeon who was a hip preservation specialist. Demographic data and radiographic angles were evaluated for the relative risk (RR) of avascular necrosis (AVN) using a log-binomial regression model with simple and random effects. Results Among the 30 patients (30 hips) with a mean age of 11.79 years at the time of the operation, there were 17 boys and 18 left hips, which were operated on in a mean of 11.5 days after the slip. The mean follow-up was of 38 months. The preoperative Southwick angle averaged 60.69° against 4.52° postoperatively (p< 0.001). A larger preoperative slip angle was associated with the development of AVN (RR: 1.05; 95% confidence interval [95%CI]: 1.02-1.07; p< 0.01). The overall AVN rate was of 26.7%. Function was good or excellent in 86% of uncomplicated hips, and poor in 87.5% of the partients who developed AVN, as graded by the Harris Hip Score. There was no statistical relationship between epiphyseal bleeding and AVN development (p= 0.82). Conclusion The modified Dunn technique is associated with restoration of the femoral alignment and function after unstable SCFE, when uncomplicated. Moreover, it was shown to be reproducible in our population, with a rate of 26% of femoral head necrosis.


Resumo Objetivo Avaliar a segurança e a reprodutibilidade da cirurgia para escorregamento da epífise femoral proximal (EEPF) com instabilidade por meio da técnica de Dunn modificada em uma coorte unicêntrica no Brasil. Métodos Analisamos de forma retrospectiva uma coorte de pacientes submetidos a esse procedimento por um único cirurgião especialista em preservação do quadril. Avaliamos os dados demográficos e os ângulos radiográficos quanto ao risco relativo (RR) de necrose avascular (NAV) por meio do modelo de regressão log-binomial com efeitos simples e aleatórios. Resultados Entre os 30 pacientes (30 quadris) com idade média de 11,79 anos no momento da cirurgia, havia 17 meninos e 18 quadris esquerdos. O procedimento ocorreu em média 11,5 dias após o escorregamento. O tempo médio de acompanhamento foi de 38 meses. O ângulo de Southwick pré-operatório foi, em média, de 60,69° contra 4,52° após o procedimento (p< 0,001). O maior ângulo de escorregamento pré-operatório foi associado ao desenvolvimento de NAV (RR: 1,05; intervalo de confiança de 95% [IC95%]: 1,02-1,07; p< 0,01). A frequência geral de NAV foi de 26,7%. De acordo com a Escala de Quadril de Harris (Harris Hip Score), a função foi boa ou excelente em 86% dos quadris sem complicações, e ruim em 87,5% dos casos com NAV. Não houve relação estatística entre sangramento epifisário e desenvolvimento de NAV (p= 0,82). Conclusão A técnica de Dunn modificada restaura o alinhamento femoral e a função articular após o EEPF com instabilidade na ausência de complicações. Além disso, mostrou-se passível de reprodução em nossa população, com frequência de necrose da cabeça femoral de 26%.


Subject(s)
Humans , Male , Female , Child , Osteotomy , Femur Head Necrosis , Slipped Capital Femoral Epiphyses , Hip/surgery
4.
Rev. Odontol. Araçatuba (Impr.) ; 44(2): 60-66, maio-ago. 2023. ilus
Article in Portuguese | LILACS, BBO | ID: biblio-1428073

ABSTRACT

Sorriso gengival é comumente conhecido pela exposição excessiva das gengivas ao sorrir, acarretando assim na diminuição das coroas dos elementos. No que tange a etiologia dessa condição, ela se apresenta de maneiras diversas e sua identificação é fundamental para o desenvolvimento de um plano de tratamento eficaz. O planejamento clínico pode ser feito usando uma abordagem dinâmica e digital do sorriso, como softwares, exames de imagem, modelos virtuais 3D e guias cirúrgicos, melhorando a qualidade e precisão do tratamento, oferecendo diversos benefícios aos pacientes. Sendo assim esse estudo teve como objetivo demonstrar a importância dos processos digitais no planejamento e correção do sorriso gengival. Paciente queixou-se da desproporção do sorriso, caracterizado por coroas curtas nas regiões de pré-molares e incisivos ligadamente com a exposição excessiva da gengiva ao sorrir. Após estudos clínicos e de imagem, a etiologia foi diagnosticada como erupção passiva alterada, tipo I (fenótipo espesso). O tratamento de escolha foi o remodelamento gengival associado à osteotomia e osteoplastia obtendo assim uma maior precisão no tratamento, sendo confeccionado um guia cirúrgico duplo. Sendo assim, é possível contemplar que o planejamento digital permite uma maior previsibilidade da execução, compatibilidade em relação a expectativa do paciente e profissional, além da total individualização do caso, tornando os resultados mais favoráveis e exatos e minimizando as chances de iatrogenias(AU)


Gummy smile is commonly known for exposing the gums to the smile, thereby increasing the crowns elevation of the elements. Regarding a condition, it presents itself in different ways and its identification is fundamental for the development of a treatment plan. The clinician can be done using a dynamic and digital approach to image treatment, such as software, imaging exams, various 3D virtual models and elaborate guides, improving the quality and precision of treatment, offering benefits to patients. Therefore, this study aimed to demonstrate the importance of digital processes in planning and correcting the gummy smile. Patient complained of disproportion of the smile, facing the regions of premolar crowns and incisors of the smile, facing the exposure of the gingiva when smiling. After clinical and imaging exams, the diagnostic studies were diagnosed as passive eruption, type I (phenotype and specific). The choice of choice was remodeling associated with surgery treatment and surgery treatment, thus providing a greater precision in the treatment, being a double guide elaborated. Therefore, it is possible that the digital is possible a predictability of execution, compatibility in relation to patient and professional care, in addition to the greater possibility of individualization planning than it allows, making the results more planned as possibilities and exactly the iatrogenic(AU)


Subject(s)
Humans , Female , Adult , Planning , Gingivoplasty , Osteotomy , Bicuspid , Crowns , Imaging, Three-Dimensional , Gingiva
5.
Rev. venez. cir. ortop. traumatol ; 55(1): 12-19, jun. 2023. ilus, tab, graf
Article in Spanish | LILACS, LIVECS | ID: biblio-1511662

ABSTRACT

Las deformidades angulares en fémur distal son frecuentes en la consulta de ortopedia. Dependiendo del tipo de deformidad y la edad del paciente existen diferentes técnicas de corrección quirúrgica para mejorar la biomecánica de la rodilla, evitar el dolor y prevenir el daño del aparato extensor, la artrosis temprana y degeneración tardía de la articulación de la rodilla. Se realizó un estudio de tipo observacional, descriptivo, longitudinal haciendo uso del Sistema LCP como tratamiento de las deformidades angulares en Fémur Distal en pacientes con madurez esquelética alcanzada tratados en el Hospital Ortopédico Infantil durante el periodo 2012 ­ 2022. Se incluyeron un total de 17 pacientes que representan 23 rodillas; predominó el género femenino con un 76% respecto al masculino con solo 24%. La edad media de intervención quirúrgica de fue de 15±1,66 años y la edad de evaluación final de 16±1,7años. Al comparar los promedios de la evaluación radiológica pre y postoperatoria, se encontraron diferencias estadísticamente significativas <0,05 en cuanto a la corrección de la Desviación del Eje Mecánico (MAD), Ángulo Femoral Distal Lateral mecánico (LDFAm) y ángulo Femoro Tibial (AFT). El tiempo de consolidación promedio fue de 11,3±1,4 semanas, no se presentaron complicaciones inherentes al acto quirúrgico ni postoperatorias. Existen varias modalidades de tratamiento para deformidades angulares en fémur distal y el escoger una depende de la preferencia, entrenamiento del cirujano, su equipo y recursos disponibles(AU)


Angular deformities in distal femur are frequently in the orthopedic clinic, the most common of which is valgus and is characterized by an alteration of the mechanical lateral distal femoral angle (<85º). Depending of the type of deformity and the patient age at which it occurs, there are different surgical techniques correction to improve the biomechanics of the knee, avoid pain and prevent damage to the extensor apparatus, early osteoarthritis and late degeneration of the knee joint. An observational, descriptive, longitudinal study was carried out using the LCP System as a treatment for angular deformities in the Distal Femur in patients with reached skeletal maturity treated at the Hospital Ortopédico Infantil during the period 2012-2022. A total of 17 patients were included, representing 23 knees; the female predominated with 76% compared to the male with only 24%. The average age of surgical intervention was 15±1.66 years and the age of the final evaluation was 16±1.7 years. When comparing the averages of the pre and postoperative radiological evaluation, statistically significant differences <0.05 were found in terms of the correction of the Mechanical Axis Deviation (MAD), mechanical Lateral Distal Femoral Angle (LDFAm) and Femoro-Tibial angle ( AFT). The average consolidation time was 11.3 ± 1.4 weeks and there were no complications inherent to the surgical act or postoperative. There are several treatment modalities of angular deformities of the distal femur and the choice one depends of the preference and training of the surgeon, his team and the resources available(AU)


Subject(s)
Humans , Male , Female , Adolescent , Lower Extremity Deformities, Congenital , Femoral Fractures, Distal/surgery , Osteotomy
6.
Rev. venez. cir. ortop. traumatol ; 55(1): 53-58, jun. 2023. ilus
Article in Spanish | LILACS, LIVECS | ID: biblio-1512845

ABSTRACT

El Hallux Varus Iatrogénico es una complicación de la cirugía correctiva del Hallux Valgus muy poco frecuente. El tratamiento incluye la intervención de los tejidos blandos, y óseos. El propósito de este trabajo es mostrar los resultados clínico-radiológicos del tratamiento quirúrgico del Hallux Varus Iatrogénico Flexible Severo empleando la combinación de técnicas de reconstrucción alternativas en una paciente femenina de 59 años de edad. Se realizó liberación medial de la capsula articular MTF y abductor, osteotomía de Chevron reverso, artrodesis interfalángica izquierda, transferencia tendinosa del extensor largo de Hallux hacia plantar con botón artesanal. De acuerdo a la Escala AOFAS aumentó de 30 a 90 puntos. Se logró la corrección estable de la deformidad en varo y la consolidación de la osteotomía. El Hallux Varus Iatrogénico es una complicación poco frecuente considerada una deformidad mal tolerada, con pocos casos reportados y pocos reportes. Se debe hacer un enfoque de tratamiento paso a paso para abordar todos los elementos involucrados en el Hallux Varus iatrogénico. La corrección quirúrgica del Hallux Varus iatrogénico severo con técnicas de reconstrucción no convencionales tipo Chevron reverso y transferencia tendinosa con botón plantar, es una excelente opción terapéutica de acuerdo a los resultados obtenidos en este caso(AU)


Iatrogenic Hallux Varus is a very rare complication of Hallux Valgus corrective surgery. The treatment includes the intervention of soft tissues and bones. The purpose of this paper is to show the clinical-radiological results of the surgical treatment of Severe Flexible Iatrogenic Hallux Varus using the combination of alternative reconstruction techniques in a 59-year-old female patient. Medial release of the MTF and abductor joint capsule, reverse Chevron osteotomy, left interphalangeal arthrodesis, tendon transfer of the long extensor of Hallux to plantar with artisanal button was performed. According to the AOFAS Scale, it increased from 30 to 90 points. Stable correction of the varus deformity and consolidation of the osteotomy were achieved. Iatrogenic Hallux Varus is a rare complication considered a poorly tolerated deformity, with few reported cases and few reports. A step-by-step treatment approach must be taken to address all the elements involved in iatrogenic Hallux Varus. Surgical correction of severe iatrogenic Hallux Varus with unconventional reconstruction techniques such as reverse Chevron and plantar button tendon transfer is an excellent therapeutic option according to the results obtained in this case(AU)


Subject(s)
Humans , Female , Middle Aged , Osteotomy , Surgical Procedures, Operative , Hallux Varus/surgery , Bone Malalignment , Toe Phalanges
7.
Rev. ADM ; 80(3): 165-170, mayo-jun. 2023. ilus
Article in Spanish | LILACS | ID: biblio-1518398

ABSTRACT

La pérdida ósea en el sector anterior, ya sea por un defecto horizontal, vertical o combinado, actualmente es un desafío, no sólo por la integración del implante, sino por la estética involucrada. Entre las técnicas de regeneración ósea que permiten solucionar estos defectos, cabe destacar la técnica de expansión de crestas. Se presenta el caso de una paciente de 58 años con reborde atrófico, que se sometió a la expansión de crestas con colocación simultánea de implantes en sector anterior, con xenoinjerto previo a técnica de expansión de crestas con piezoeléctrico, colocación simultánea de implantes Narrow Connection SLActive Straumann. Se logró ganancia ósea y estabilidad primaria de los implantes, sin complicaciones. En escenarios seleccionados, la técnica de expansión de crestas de manera predecible permite ganancia de hueso horizontal adecuada, el éxito de los implantes con tasa de supervivencia y mínimas complicaciones intra y postoperatorias (AU)


Bone loss in the anterior sector, both a horizontal, vertical or combined defect is a challenge today; not only for the integration of the implant but also the aesthetic involved. There are techniques of bone regeneration that help us to solve this type of defects, among them we should highlight the crest expansion technique. We present the case of a 58-year-old patient with atrophic flange, who underwent the expansion of crests with simultaneous placement of implants in the anterior sector, with xenograft prior to the piezoelectric crest expansion technique, Simultaneous placement of Narrow Connection SLActive Straumann implants, bone gain and primary stability of the implants were obtained, without complications. In selected scenarios, the crest expansion technique could be considered a predictable approach that demonstrates a high implant survival rate, adequate horizontal bone gain, and minimal intra- and postoperative complications (AU)


Subject(s)
Humans , Female , Middle Aged , Dental Implantation, Endosseous/methods , Alveolar Ridge Augmentation/methods , Osteotomy/methods , Piezosurgery/methods , Heterografts
8.
Rev. Odontol. Araçatuba (Impr.) ; 44(1): 39-46, jan.-abr. 2023. ilus
Article in Portuguese | LILACS, BBO | ID: biblio-1427882

ABSTRACT

Introdução: A procura pela estética do sorriso é crescente na Odontologia, pois, muitas vezes um sorriso alinhado e periodonto saudável não são o bastante. A cerâmica odontológica apresenta-se como uma ótima possibilidade restauradora, visto o avanço das técnicas de adesão entre o substrato dentário e as cerâmicas, torna-se mais previsível o resultado com este tipo de reabilitação. Objetivo: O presente artigo tem como objetivo descrever um caso clínico com envolvimento de diversos níveis de desgaste dentário para reabilitação estética com cerâmica de dissilicato de lítio. Relato de caso: Paciente 36 anos, gênero feminino, apresentava insatisfação com seu sorriso devido a forma e a alteração de cor dos seus dentes superiores anteriores e pré-molares. O plano de tratamento consistiu em realizar a troca da coroa metalocerâmica por coroa total cerâmica da unidade 14, coroa total cerâmica nas unidades 11, 21 e 22, facetas cerâmicas nas unidades 15, 13, 12, 23, 24 e 25, osteotomia e gengivoplastia das regiões de 2º prémolar superior esquerdo ao 2º pré-molar superior direito, clareamento dental caseiro da arcada inferior e placa oclusal superior de proteção. O material de escolha para a resolução do caso clínico foi a cerâmica vítrea reforçada à base de dissilicato de lítio, pois, possui um índice de refração de luz semelhante à estrutura dentária, sem interferência significativa da translucidez, além de ser passível de cimentação adesiva por se tratar de uma cerâmica ácido sensível e o tamanho do cristal e a sua disposição favorecem o aumento das propriedades mecânicas da restauração. Conclusão: O plano de tratamento realizado permitiu o restabelecimento da função e estética, com reprodução das características dos dentes naturais e promoção da jovialidade e da harmonia no sorriso(AU)


Introduction:The demand for smile aesthetics is growing in Dentistry, because, often a smile aligned and healthy periodontium are not enough. Dental ceramics, presented as an excellent restorative possibility, since the advancement of adhesion techniques between the dental substrate and the ceramics, becomes more predictable the result with this type of rehabilitation. Objective: This article aims to describe a clinical case involving several levels of dental wear for aesthetic rehabilitation with ceramics. Case Report: A 36-year-old female patient presented dissatisfaction with her smile due to the shape and color alteration of her anterior and premolar upper teeth. The treatment plan consisted of exchanging the metal-ceramic crown for the total ceramic crown of unit 14, total ceramic crown in units 11, 21 and 22, ceramic veneers in units 15, 13, 12, 23, 24 and 25, osteotomy and gingivoplasty of the regions from 2nd left upper premolar to 2nd right upper premolar, home tooth whitening of the lower arch and upper occlusal plate of protection. The material of choice for the resolution of the clinical case was the glass ceramic reinforced on the basis of lithium disilicate because it has a refractive index of light similar to the dental structure, without significant interference of translucency, besides being liable to adhesive cementation because it is a sensitive acid ceramic and the size of the crystal and its disposition favor the increase of the mechanical properties of the restoration. Conclusion: The treatment plan performed allowed the restoration of function and aesthetics, with reproduction of the characteristics of natural teeth and promotion of joviality and harmony in the smile(AU)


Subject(s)
Humans , Female , Adult , Ceramics , Crowns , Dental Veneers , Esthetics, Dental , Lithium , Osteotomy , Tooth Bleaching , Periodontium , Occlusal Splints , Tooth Wear , Gingivoplasty
9.
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
10.
Rev. otorrinolaringol. cir. cabeza cuello ; 83(1): 66-69, mar. 2023. ilus
Article in Spanish | LILACS | ID: biblio-1431955

ABSTRACT

El bad split es un término clínico que refiere a una fractura no planificada que ocurre al momento de realizar una osteotomía sagital de rama mandibular (OSRM). Afecta aproximadamente al 2,3% de los pacientes y se han descrito factores de riesgo tales como la presencia de terceros molares mandibulares, edad avanzada al momento de la cirugía, técnica de osteotomía inadecuada, entre otros. Se recomienda efectuar manio-bras preventivas para evitar la aparición de patrones de fractura no deseados al realizar la OSRM. Sin embargo, al momento de pesquisar un bad split, éste debe ser tratado por un equipo capacitado y de manera oportuna para evitar retardo en la consolidación, infecciones y secuestros óseos que puedan comprometer los resultados de la cirugía. En este artículo se presenta el manejo de un caso clínico de bad split bilateral intraoperatorio por el Servicio de Cirugía Maxilofacial del Hospital San José, enfatizando su tratamiento quirúrgico.


Bad Split is a clinical term referring to an unplanned fracture that occurs during the bilateral sagittal split osteotomy (BSSO). It affects approximately 2,3% of the patients undergoing orthognathic surgery and several risk factors have been described such as the presence of mandibular third molars, advanced age at the moment of orthognathic surgery, inadequate osteotomy technique, etc. Preventive maneuvers are recommended in order to avoid the appearance of undesired fracture patterns during BSSO. However, if a bad split is detected it must be managed and treated by a qualified team to avoid further complications such as delayed bone consolidation, bone infection and necrosis. In this article we present the management of a case of bilateral bad split by the Maxillofacial Surgery Service of Hospital San José, emphasizing on its surgical treatment.


Subject(s)
Humans , Female , Adult , Osteotomy/adverse effects , Orthognathic Surgery/methods , Osteotomy, Sagittal Split Ramus/adverse effects , Intraoperative Complications , Mandible/surgery , Mandibular Fractures
11.
Article in Spanish | LILACS, BINACIS | ID: biblio-1415748

ABSTRACT

Objetivo: Describir la técnica quirúrgica de Mitchell modificada para el tratamiento del hallux valgus rigidus grado 2, y evaluar los resultados a mediano plazo.materiales y métodos:Estudio prospectivo observacional. Entre agosto de 2015 y enero de 2019, 21 pacientes (23 pies) con hallux valgus rigidus grado 2 fueron sometidos a una osteotomía tipo Mitchell modificada.Resultados: Se comunican los resultados sobre la base de la edad, el sexo, el seguimiento posoperatorio, el puntaje de la AOFAS, el pie afectado, la pérdida de reducción, el colapso de la cabeza del metatarsiano, el dolor residual y la necesidad de plantillado para el alta. El puntaje de la AOFAS a los 18 meses fue de 94,78. Los pacientes retornaron a su actividad laboral, en promedio, a los 16.6 días y a sus actividades previas, a los 3.43 meses.Conclusión:Presentamos una técnica quirúrgica que combina los beneficios de la osteotomía de Chevron y la de Mitchell, con excelentes resultados clínicos y funcionales. Nivel de Evidencia: IV


Objective: To describe the modified Mitchell's surgical technique for the treatment of grade II hallux valgus rigidus, and to evaluate medium-term outcomes. materials and methods: Prospective observational study. Between August 2015 and January 2019, 21 patients (23 feet) with grade II hallux valgus rigidus were treated. All underwent a modified Mitchell's osteotomy. Results: The results are reported based on age, gender, postoperative follow-up, AOFAS score, affected foot, loss of reduction, metatarsal head collapse, residual pain, and whether the patient needed insoles to be discharged. The AOFAS score at 18 months was 94.78. On average, the patients returned to work after 16.6 days and to their usual activities after 3.43 months. Conclusion: We present a surgical technique that combines the benefits of the Chevron and Mitchell osteotomy, with excellent functional clinical outcomes. osteotomy. Level of Evidence: IV


Subject(s)
Adult , Osteotomy , Hallux Valgus/surgery , Treatment Outcome , Hallux Rigidus/surgery
12.
Article in Spanish | LILACS, BINACIS | ID: biblio-1415749

ABSTRACT

Objetivo: Evaluar los resultados radiográficos y funcionales al año de la cirugía, en una serie consecutiva de pacientes con diagnóstico de pie plano valgo estadio IIB, sometidos a una osteotomía de Evans sin injerto óseo. Materiales y Métodos: Se evaluó, en forma retrospectiva, a dos grupos de pacientes: grupo 1 (placa con espaciador, n = 12) y grupo 2 (celdas de PEEK, n = 14). La edad promedio era de 47 años (DE 18) en el grupo 1 y de 54 años (DE 12) en el grupo 2. Resultados:Se evaluó a 26 pacientes (28 pies operados); 20 (77%) eran mujeres. Las mediciones radiográficas: ángulo de inclinación del calcáneo, ángulo astrágalo-calcáneo (perfil), ángulo astrágalo-calcáneo (frente), cobertura astragalonavicular, altura de la columna medial, longitud de la columna externa, arrojaron diferencias estadísticamente significativas entre las determinaciones preoperatorias y al año de la cirugía. El puntaje promedio de la escala de la AOFAS al año fue de 96 (DE 4,70) en el grupo 1 y de 95 (DE 4,98) en el grupo 2. El puntaje en la escala analógica visual para dolor fue de 1,2 (DE 0,42) en el grupo 1 y 1,16 (DE 0,46) en el grupo 2.Conclusiones:De acuerdo con los resultados obtenidos, concluimos en que la osteotomía de Evans sin el uso de injerto óseo logra preservar las correcciones obtenidas en el mediano plazo utilizando placas con espaciador o celdas de PEEK. Nivel de Evidencia: III


Objective: To evaluate the radiological and functional outcomes one year after surgery in a consecutive series of patients diagnosed with stage IIB adult-acquired flatfoot deformity who underwent Evans osteotomy without the use of bone graft. Materials and Methods: Two groups of patients were retrospectively evaluated: group 1 (spacer plate, n=12) and group 2 (PEEK cage, n=14). The mean age was 47 years (SD 18) in group 1 and 54 years (SD 12) in group 2. Results:26 patients (28 feet) were evaluated; 14 (84%) of the patients were women. Radiographic measurements calcaneal pitch angle, (lateral) talocalcaneal angle, (AP) talocal-caneal angle, talonavicular coverage angle, medial column height, lateral column length yielded statistically significant differences between preoperative measurements and those taken one year after surgery. The mean score on the AOFAS scale one year after surgery was 96 (SD 4.70) in group 1 and 95 (SD 4.98) in group 2. Regarding the visual analog scale, it was 1.2 (SD 0.42) in group 1 and 1.16 (SD 0.46) in group 2. Conclusions: According to the results obtained, we conclude that Evans osteotomy without the use of bone graft manages to preserve the corrections obtained in the medium term, using either spacer plates or PEEK cages. Level of Evidence: III


Subject(s)
Adult , Osteotomy , Flatfoot/surgery , Retrospective Studies , Treatment Outcome
14.
Article in Spanish | LILACS, BINACIS | ID: biblio-1427222

ABSTRACT

Introducción: El hallux valgus es el trastorno más común del primer dedo del pie. Provoca dolor, discapacidad funcional y altera los patrones de la marcha. Las deformidades leves o moderadas se han corregido con osteotomías distales del primer metatarsiano, como la osteotomía en chevron, un procedimiento seguro, pero no exento de complicaciones. Los objetivos de este estudio fueron determinar la incidencia de seudoartrosis por dicha osteotomía y comunicar nuestro método terapéutico, el seguimiento y la evolución. materiales y métodos: Se realizó un estudio multicéntrico, retrospectivo que incluyó a pacientes operados entre 2009 y 2018. Se evaluaron 1156 osteotomías en chevron como tratamiento del hallux valgus leve o moderado en 1017 pacientes (rango etario 16-83 años; promedio 57.5) realizadas por 4 cirujanos experimentados. El criterio de inclusión fue que el paciente contara con estudios por imágenes compatibles con seudoartrosis a los 6 meses de la cirugía. Resultados: Se evaluó a 5 pacientes con diagnóstico de seudoartrosis después de una osteotomía en chevron para tratar el hallux valgus. Los puntajes promedio de la AOFAS fueron 51 antes del tratamiento del hallux valgus y 87,8 después del tratamiento de la seudoartrosis. Conclusiones: La incidencia de seudoartrosis fue del 0,4% en el posoperatorio alejado. Nuestro abordaje y el tratamiento de la seudoartrosis lograron una excelente mejoría clínica y funcional en todos los pacientes operados. Nivel de Evidencia: III


Introduction: Hallux valgus is the most common disorder of the first toe. It causes pain, functional impairment, and alters gait patterns. Mild to moderate deformities are tipically corrected with distal osteotomies of the first metatarsal, such as the chevron osteotomy, a safe procedure, but not without complications. The objectives of this study were to determine the incidence of pseudarthrosis following this osteotomy and report our therapeutic method, follow-up, and outcomes. Materials and methods: A retrospective multicenter study was carried out, which included patients operated on between 2009 and 2018. A total of 1156 chevron osteotomies were evaluated as a treatment for mild to moderate hallux valgus in 1017 patients (age range 16 -83 years; average 57.5 years) performed by 4 experienced surgeons. The inclusion criterion was that the patient had imaging studies compatible with pseudarthrosis six months after surgery. Results: We evaluated five patients who met our criterion. The average AOFAS (American Orthopedic Foot and Ankle Society) scores were 51 before hallux valgus treatment and 87.8 after pseudarthrosis treatment. Conclusion: The incidence of pseudarthrosis was 0.4% in the distant postoperative period. Our approach and treatment of pseudarthrosis achieved excellent clinical and functional improvements in all operated patients. Level of Evidence: III


Subject(s)
Adolescent , Adult , Middle Aged , Aged , Osteotomy , Pseudarthrosis , Hallux Valgus , Treatment Outcome
16.
Artrosc. (B. Aires) ; 30(1): ii-ii, 2023.
Article in Spanish | LILACS, BINACIS | ID: biblio-1427234

Subject(s)
Osteotomy , Tibia , Knee Joint
17.
Article in Spanish | LILACS, UY-BNMED, BNUY | ID: biblio-1439186

ABSTRACT

Braquimetatarsia es el acortamiento anormal de uno o más metatarsianos. Tiene una incidencia de 0.02%-0.05% predominando en mujeres de 25 a 1. En un 72% puede ser bilateral. La etiología no es clara pero se plantea el cierre prematuro de la fisis dando un retardo en el crecimiento. La mayoría de las veces presenta síntomas causados por alteración en la mecánica de la parábola metatarsal como dolor e hiperqueratosis. Puede existir metatarsalgia y agregar en la evolución desviaciones digitales adicionales. El principal motivo de consulta es estético. El objetivo del reporte es mostrar dos técnicas quirúrgicas y los resultados clínicos correspondientes usando el score AOFAS, además de los resultados imágenológicos con hasta 5 años de seguimiento. Se describen dos pacientes y se analizan dos técnicas quirúrgicas diferentes para alargar los metatarsianos. Se trata de alargamientos agudos con interposición de injerto intercalar, en un caso mediante el procedimiento de Sandro Gianini con injerto de cresta ilíaca y en el otro con injerto de metatarsiano adyacente con modificación de la longitud del segundo y tercer metatarsiano restituyendo en ambos casos la parábola metatarsal. Obtuvimos buenos resultados al igual que series numerosas pudiendo recomendarse en casos similares.


Brachymetarsal is the abnormal shortening of one or more metatarsals. It has an incidence of 0.02%-0.05%, predominantly in women from 25 to 1. In 72% it can be bilateral. The etiology is not clear, but premature closure of the physis is suggested, giving growth retardation. Most of the time it presents symptoms caused by an alteration in the mechanics of the metatarsal parabola, such as pain and hyperkeratosis. There may be metatarsalgia and add additional digital deviations in the evolution. The main reason for consultation is aesthetic. The objective of the work is to show the surgical technique and the clinical results using the AOFAS score, in addition to the imaging results with up to 5 years of follow-up. Two patients are described and two different surgical techniques to lengthen the metatarsals are analyzed. These are acute lengthenings with intercalary graft interposition, in one case using the S.Gianini procedure with an iliac crest graft and in the other with an adjacent metatarsal graft with modification of the length of the second and third metatarsals, restoring in both cases the metatarsal parabola. We obtained good results. results as well as numerous series and can be recommended in similar cases.


Braquimetatarsal é o encurtamento anormal de um ou mais metatarsos. Tem incidência de 0,02%-0,05%, predominantemente em mulheres de 25 a 1 ano. Em 72% pode ser bilateral. A etiologia não é clara, mas sugere-se o fechamento prematuro da fise, causando retardo de crescimento. Na maioria das vezes apresenta sintomas decorrentes de uma alteração na mecânica da parábola metatarsal, como dor e hiperqueratose. Pode haver metatarsalgia e adicionar desvios digitais adicionais na evolução. O principal motivo da consulta é a estética. O objetivo do trabalho é mostrar a técnica cirúrgica e os resultados clínicos utilizando o escore AOFAS, além dos resultados de imagem com até 5 anos de seguimento. Materiais e métodos: São incluídos dois pacientes e analisadas duas técnicas cirúrgicas diferentes para alongar os metatarsos. São alongamentos agudos com interposição de enxerto intercalar, em um caso utilizando a técnica de S. Gianini com enxerto de crista ilíaca e no outro com enxerto de metatarso adjacente com modificação do comprimento do segundo e terceiro metatarsos, restaurando em ambos os casos o metatarso parábola. Obtivemos bons resultados, bem como inúmeras séries, podendo ser recomendados em casos semelhantes.


Subject(s)
Humans , Female , Adult , Middle Aged , Young Adult , Bone Lengthening/methods , Foot Deformities, Congenital/surgery , Metatarsal Bones/surgery , Bone Transplantation/methods , Osteotomy , Metatarsal Bones/abnormalities , Treatment Outcome
18.
Artrosc. (B. Aires) ; 30(2): 83-87, 2023.
Article in Spanish | LILACS, BINACIS | ID: biblio-1451225

ABSTRACT

Las fracturas de platillos tibiales son lesiones frecuentes. Una de sus complicaciones postoperatorias es la pérdida de reducción con desviación de los ejes en los planos coronal, sagital y axial. La depresión ósea genera incongruencia articular con pérdida de tensión de estructuras ligamentarias indemnes, causando una pseudo-laxitud con inestabilidad. Esto requiere de una corrección ósea para aumentar la tensión de dichas estructuras ligamentarias y lograr así recuperar la congruencia y estabilidad articular en todo el rango de movilidad. El objetivo del presente trabajo es reportar un caso de inestabilidad medial en un paciente joven, quien, tras una fractura de platillo tibial medial mal consolidada, requirió una osteotomía selectiva biplanar e intraarticular para corregir dicha deformidad


Tibial plateau fractures are frequent. Loss of reduction with axis deviation in the coronal, sagittal and axial planes is one of the postoperative complications.Bone depression generates joint incongruity with loss of tension in undamaged ligament structures resulting in pseudo-laxity with instability. This requires a bone correction to increase the tension of ligament structures, hence achieving the recovery of joint congruence and stability throughout the range of mobility.The objective of the current paper is to report a case of medial instability in a young patient, who suffered a medial tibial plateau fracture with poor bone consolidation, with consequent laxity and pain in the medial compartment, which required a selective biplanar and intra-articular osteotomy to correct such deformity.


Subject(s)
Middle Aged , Osteotomy , Postoperative Complications , Tibial Fractures , Range of Motion, Articular , Joint Instability , Knee Joint
19.
Health sci. dis ; 24(2): 43-48, 2023. figures, tables
Article in French | AIM | ID: biblio-1413944

ABSTRACT

Introduction. Evaluer les résultats du traitement chirurgical du Mal de Pott et de ses séquelles au Centre hospitalier de l'ordre de Malte de Dakar. Patients et méthodes. Nous présentons les résultats préliminaires d'une série consécutive de 23 patients (13 hommes et 10 femmes) d'âge moyen de 32,35 ans [6 ­70 ans] présentant des Maux de Pott ou de leurs séquelles nécessitant un traitement chirurgical. L'échelle d'incapacité d'Oswestry, l'échelle visuelle analogique et le score ASIA ont été utilisés pour l'évaluation clinique. Les radiographies pré opératoires, post opératoires et au recul ont été utilisés pour les résultats anatomiques. Tous ces patients ont été opérés selon trois stratégies opératoires sur une période de 67 mois (Avril 2014- Novembre 2019). Nous avons réalisé une laminectomie arthrodèse postérieure dans 52,2% ; une laminectomie plus OTP et arthrodèse postérieure dans 43,5% ; une discectomie et hémicorporectomie avec arthrodèse antérieure par plaque vissée de Roy Camille à l'étage cervical dans 4,3%. Résultats. La symptomatologie était dominée par la douleur rachidienne, la cyphose et les troubles neurologiques. La cyphose post opératoire était significativement améliorée (la moyenne passe de 48,52° en pré opératoire à 17,09° en post opératoire). On a obtenu 100% de fusion vertébrale. On note une nette amélioration de la douleur rachidienne (avec une baisse au recul de 55,44 points pour l'OID et de 5,66 pour l'EVA) ; 78,3% des patients étaient très satisfaits, 17,4% satisfaits et 4,3% mécontents. Conclusion. Le traitement chirurgical du Mal de Pott et de ses séquelles a fortement amélioré les rachis au Centre hospitalier de l'Ordre de Malte.


Introduction. To evaluate the results of the surgical treatment of Pott's disease and its sequelae at the Hospital Center of the Order of Malta in Dakar. Patients and methods. We present the preliminary results of a consecutive series of 23 patients (13 men and 10 women) with an average age of 32.35 years [6-70 years] presenting with Pott's disease or its sequelae requiring treatment. surgical treatment. Oswestry Disability Scale, Visual Analogue Scale and ASIA score were used for clinical assessment. Preoperative, postoperative and followup radiographs were used for anatomical results. All these patients were operated according to three operating strategies over a period of 67 months (April 2014- November 2019). We performed posterior laminectomy-arthrodesis in 52.2%; laminectomy plus OTP and posterior arthrodesis in 43.5%; discectomy and hemicorpectomy with anterior arthrodesis by Roy Camille screwed plate at the cervical level in 4.3%. Results. The symptomatology was dominated by spinal pain, kyphosis and neurological disorders. Postoperative kyphosis was significantly improved (the average goes from 48.52° preoperatively to 17.09° postoperatively). We got 100% spinal fusion. There is a clear improvement in spinal pain (with a drop at follow-up of 55.44 points for the OID and 5.66 for the EVA); 78.3% of patients were very satisfied, 17.4% satisfied and 4.3% dissatisfied. Conclusion. The surgical treatment of Pott's disease and its sequelae greatly improved the spines at the Hospital Center of the Order of Malta.


Subject(s)
Humans , Male , Female , Osteotomy , Therapeutics , Tuberculosis, Spinal , Neurosurgical Procedures , Diagnosis , Laminectomy , Prevalence
20.
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
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