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Mansur H, Corrêa VLB, Abdo B, Ramos LS, Castiglia MT. Avaliação da reprodutibilidade da classificação de Schatzker revisada por Kfuri para as fraturas do planalto tibial. Rev Bras Ortop 2022; 57:502-510. [PMID: 35785118 PMCID: PMC9246522 DOI: 10.1055/s-0041-1729577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 11/03/2020] [Indexed: 11/05/2022] Open
Abstract
Objective
The Schatzker classification is the most used for tibial plateau fractures. Kfuri et al.
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reviewed Schatzker's initial classification describing in more detail the involvement of the tibial plateau in the coronal plane, allowing a better understanding of the fracture pattern and a more accurate surgical planning. The objectives of the present study are to evaluate the interobserver agreement of these classifications and to evaluate the influence of the experience of the observer on the reproducibility of the instruments.
Methods
An observational and retrospective study was conducted by evaluating the radiological study of 20 adult individuals with tibial plateau fractures, including radiographs and computed tomography (CT). The fractures were classified once by 34 examiners with varied experience (24 specialists and 10 residents in Orthopedics and Traumatology), according to the Schatzker classification and to the modification proposed by Kfuri. The Fleiss Kappa index was used to verify interobserver agreement.
Results
The interobserver agreement index was considered moderate for the Schatzker classification (κ = 0.46) and mild for the Kfuri modification (κ = 0.30). The Schatzker classification showed moderate agreement, with κ = 0.52 for residents and κ = 0.45 among specialists. The Kfuri classification showed mild agreement, with Kappa values for residents and specialists of 0.39 and 0.28, respectively.
Conclusion
The Schatzker classification and the classification modified by Kfuri presented moderate and mild interobserver agreement, respectively. In addition, the residents presented higher agreement than the specialists for the two systems studied.
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Affiliation(s)
- Henrique Mansur
- Serviço de Ortopedia e Traumatologia, Departamento de Ortopedia e Traumatologia, Hospital Santa Helena, DF, Brasil
| | | | - Bruno Abdo
- Departamento de Ortopedia e Traumatologia, Hospital das Forças Armadas, Brasília, DF, Brasil
| | - Lucas Sacramento Ramos
- Serviço de Ortopedia e Traumatologia, Departamento de Ortopedia e Traumatologia, Hospital Regional de Planaltina, Planaltina, DF, Brasil
| | - Marcello Teixeira Castiglia
- Serviço de Ortopedia e Traumatologia, Departamento de Ortopedia e Traumatologia, Hospital São Lucas, Ribeirão Preto, SP, Brasil
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Castiglia MT, Nogueira-Barbosa MH, Messias AMV, Salim R, Fogagnolo F, Schatzker J, Kfuri M. The Impact of Computed Tomography on Decision Making in Tibial Plateau Fractures. J Knee Surg 2018; 31:1007-1014. [PMID: 29444540 DOI: 10.1055/s-0038-1627464] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Schatzker introduced one of the most used classification systems for tibial plateau fractures, based on plain radiographs. Computed tomography brought to attention the importance of coronal plane-oriented fractures. The goal of our study was to determine if the addition of computed tomography would affect the decision making of surgeons who usually use the Schatzker classification to assess tibial plateau fractures. Image studies of 70 patients who sustained tibial plateau fractures were uploaded to a dedicated homepage. Every patient was linked to a folder which contained two radiographic projections (anteroposterior and lateral), three interactive videos of computed tomography (axial, sagittal, and coronal), and eight pictures depicting tridimensional reconstructions of the tibial plateau. Ten attending orthopaedic surgeons, who were blinded to the cases, were granted access to the homepage and assessed each set of images in two different rounds, separated to each other by an interval of 2 weeks. Each case was evaluated in three steps, where surgeons had access, respectively to radiographs, two-dimensional videos of computed tomography, and three-dimensional reconstruction images. After every step, surgeons were asked to present how would they classify the case using the Schatzker system and which surgical approaches would be appropriate. We evaluated the inter- and intraobserver reliability of the Schatzker classification using the Kappa concordance coefficient, as well as the impact of computed tomography in the decision making regarding the surgical approach for each case, by using the chi-square test and likelihood ratio. The interobserver concordance kappa coefficients after each assessment step were, respectively, 0.58, 0.62, and 0.64. For the intraobserver analysis, the coefficients were, respectively, 0.76, 0.75, and 0.78. Computed tomography changed the surgical approach selection for the types II, V, and VI of Schatzker (p < 0.01). The addition of computed tomography scans to plain radiographs improved the interobserver reliability of Schatzker classification. Computed tomography had a statistically significant impact in the selection of surgical approaches for the lateral tibial plateau.
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Affiliation(s)
- Marcello Teixeira Castiglia
- Department of Biomechanics, Medicine and Rehabilitation of Locomotor System, São Paulo University, Ribeirão Preto Medical School, Ribeirão Preto, Sao Paulo, Brazil
| | | | - Andre Marcio Vieira Messias
- Department of Ophthalmology, Universidade de Sao Paulo Faculdade de Medicina de Ribeirao Preto, Ribeirao Preto, Sao Paulo, Brazil
| | - Rodrigo Salim
- Department of Biomechanics, Medicine and Rehabilitation of Locomotor System, São Paulo University, Ribeirão Preto Medical School, Ribeirão Preto, Sao Paulo, Brazil
| | - Fabricio Fogagnolo
- Department of Biomechanics, Medicine and Rehabilitation of Locomotor System, São Paulo University, Ribeirão Preto Medical School, Ribeirão Preto, Sao Paulo, Brazil
| | - Joseph Schatzker
- Department of Orthopedics, Sunnybrook Health Sciences Center, Toronto, Ontario, Canada
| | - Mauricio Kfuri
- Department of Biomechanics, Medicine and Rehabilitation of Locomotor System, São Paulo University, Ribeirão Preto Medical School, Ribeirão Preto, Sao Paulo, Brazil.,Department of Orthopedic Surgery, University of Missouri Health Care, Columbia, Missouri
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Abstract
Complex fractures of the lateral tibial plateau may extend to the posterior rim of the knee and to the tibial spines. Displaced fractures of the posterolateral corner of the tibial plateau may result in joint incongruity and instability, especially with the knee in flexion. Anatomical reduction of the joint surface and containment of the tibial rim are the primary goals of the treatment in such cases. Dedicated surgical approaches including dissection of the peroneal nerve, sometimes in association with an osteotomy of the fibular head are typically used to address these injuries. Some techniques require special positioning of the patient on the operative table. Anatomical studies of the knee allowed us to conclude that an osteotomy of the lateral epicondyle of the femur may be a natural extension of the standard anterolateral approach to the tibial plateau. The main advantage of this approach is the broad exposure of the lateral joint surface, allowing its anatomical reduction. It does not violate the proximal tibiofibular joint or pose a risk to the peroneal nerve. The main limitation is the lack of visualization of the posterior metaphysis of the tibia, preventing the application of a buttress plate parallel to the plane of fracture split. To overcome this limitation, we describe a method to support the posterior tibial plateau rim, in cases of bicondylar tibial plateau fractures, combining the extended anterolateral with the posteromedial approach. For selected cases, with a significant compromise of the posterolateral and anterolateral quadrants of the tibial plateau, including the tibial spines, the extended anterolateral approach may be complemented by a planned detachment of the anterior horn of the lateral meniscus. In such variant, a complete exposure of the entire surface of the lateral tibial plateau and tibial spines is achievable, assuring optimal conditions for an anatomical reduction of the articular surface.
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Affiliation(s)
- Mauricio Kfuri
- Department of Orthopedics, Missouri Orthopedic Institute, University of Missouri, Columbia, Missouri
| | - Joseph Schatzker
- Department of Orthopedics, Sunnybrook Health Sciences Center, Toronto, Ontario, Canada
| | | | - Vincenzo Giordano
- Division of Orthopedics and Traumatology, Hospital Miguel Couto, Rio de Janeiro, Brazil
| | - Fabricio Fogagnolo
- Department of Orthopedics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - James P Stannard
- Department of Orthopedics, Missouri Orthopedic Institute, University of Missouri, Columbia, Missouri
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Ikemoto RY, Murachovsky J, Nascimento LGP, Bueno RS, Almeida LH, Strose E, Castiglia MT. ARTHROSCOPIC REPAIR OF SMALL AND MEDIUM TEARS OF THE SUPRASPINATUS MUSCLE TENDON: EVALUATION OF THE CLINICAL AND FUNCTIONAL OUTCOMES AFTER TWO YEARS OF FOLLOW-UP. Rev Bras Ortop 2015; 47:436-40. [PMID: 27047846 PMCID: PMC4799432 DOI: 10.1016/s2255-4971(15)30124-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Accepted: 08/31/2011] [Indexed: 01/08/2023] Open
Abstract
Objective: To evaluate the clinical and functional outcomes from arthroscopic repairs on small and medium-sized tears of the supraspinatus muscle tendon. Methods: 129 cases of isolated small and medium tears of the supraspinatus muscle tendon were evaluated retrospectively. The average duration of pain was 29 months. The average joint range of motion comprised active elevation of 136°, lateral rotation of 58° and medial rotation at T12 level; and the preoperative functional UCLA score averaged 17 points. In all the cases, complete repair could be achieved. Results: The average score on the UCLA functional scale in the postoperative period was 32 points. The average length of follow-up was 39 months. Seventy-five cases (58%) had excellent results and 42 (32%) had good results. The average final active elevation was 156° with an average gain of 20°, and the average final lateral rotation was 57° with an average gain of 9°. Both of these were statistically significant (P < 0.05). The patients who underwent tenotomy of the long head of the biceps (LHB), with or without tenodesis, did not present statistically inferior functional outcomes, in comparison with the patients who only underwent decompression and lesion repair (P = 1.00). Fourteen cases (10.8%) presented complications during the postoperative period. Six (4.6%) developed adhesive capsulitis and four (3.1%) presented re-rupture of the tendon, proven by means of magnetic resonance imaging. Conclusions: Arthroscopic repair of small and medium tears of the supraspinatus muscle tendon provided a functional clinical improvement, with good and excellent results in 90% of the cases.
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Affiliation(s)
- Roberto Yukio Ikemoto
- PhD. Professor and Head of the Orthopedics and Traumatology Clinic of Hospital Ipiranga; Head of the Shoulder and Elbow Groups of Hospital Ipiranga and of the ABC Medical School, Santo André, SP, Brazil
- Correspondence: Rua Traipu 1269, Pacaembu, 01235-000 São Paulo, SPCorrespondence: Rua Traipu 1269, PacaembuSão PauloSP01235-000
| | - Joel Murachovsky
- PhD. Professor and Attending Physician in the Shoulder and Elbow Group, ABC Medical School, Santo André, SP, Brazil
| | - Luís Gustavo Prata Nascimento
- MSc in Orthopedics; Attending Physician in the Shoulder and Elbow Group, ABC Medical School, Santo André, SP, Brazil
| | - Rogério Serpone Bueno
- MSc in Orthopedics; Attending Physician in the Shoulder and Elbow Group, ABC Medical School, Santo André, SP, Brazil
| | - Luis Henrique Almeida
- Attending Physician in the Shoulder and Elbow Group, ABC Medical School, Santo André, SP, Brazil
| | - Eric Strose
- MSc in Orthopedics; Attending Physician in the Shoulder and Elbow Group, ABC Medical School, Santo André, SP, Brazil
| | - Marcello Teixeira Castiglia
- Trainee Physician in Shoulder and Elbow Surgery, ABC Medical School, Santo André, SP, and Hospital Ipiranga, São Paulo, SP, Brazil
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Abstract
Bone is a unique tissue because of its mechanical properties, ability for self-repair, and enrollment in different metabolic processes such as calcium homeostasis and hematopoietic cell production. Bone barely tolerates deformation and tends to fail when overloaded. Fracture healing is a complex process that in particular cases is impaired. Osteoprogenitor cells proliferation, growth factors, and a sound tridimensional scaffold at fracture site are key elements for new bone formation and deposition. Mechanical stability and ample vascularity are also of great importance on providing a proper environment for bone healing. From mesenchymal stem cells delivery to custom-made synthetic scaffolds, many are the biological attempts to enhance bone healing. Impaired fracture healing represents a real burden to contemporary society. Sound basic science knowledge has contributed to newer approaches aimed to accelerate and improve the quality of bone healing.
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Affiliation(s)
- Mauricio Kfuri
- Departamento de Biomecânica, Medicina e Reabilitação do Aparelho Locomotor - Hospital das Clinicas - Campus USP Av. Bandeirantes 3900 - 11o andar, 14048-900, Ribeirão Preto, SP, Brazil,
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Ikemoto RY, Murachovsky J, Nascimento LGP, Bueno RS, Almeida LH, Strose E, Castiglia MT. Reparação artroscópica de lesões pequenas e médias do tendão do músculo supraespinal: avaliação dos resultados clínico-funcionais após dois anos de seguimento. Rev Bras Ortop 2012. [DOI: 10.1590/s0102-36162012000400005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Castiglia MT, Silva JVFD, Quialheiro GS, Salim R, Kfuri Júnior M, Paccola CAJ. Uso de enxerto ósseo autólogo associado à osteossíntese de suporte nas falhas ósseas tibiais marginais em prótese total de joelho. Rev Bras Ortop 2011. [DOI: 10.1590/s0102-36162011000100005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Castiglia MT, da Silva JVF, Quialheiro GS, Salim R, Júnior MK, Paccola CAJ. USE OF AUTOLOGOUS BONE GRAFT ASSOCIATED WITH SUPPORT OSTEOSYNTHESIS FOR TIBIAL EDGE BONE LOSSES IN TOTAL KNEE PROSTHESES. Rev Bras Ortop 2011; 46:27-30. [PMID: 27026981 PMCID: PMC4799159 DOI: 10.1016/s2255-4971(15)30171-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2010] [Accepted: 08/06/2010] [Indexed: 11/25/2022] Open
Abstract
Objective: To report the initial results from the use of a new technique for fixation of bone grafts in uncontained tibial bone defects in patients undergoing total knee prosthesis implantation. Methods: Six patients with severe varus deformity of the knee who, after cuts and ligament balancing had been performed, still presented bone deficiencies that reached the edge of the tibial cut and compromised the implant stability, underwent a new fixation technique. Results: Five of the patients had good-clinical results, with integration of the graft within 12 weeks. One patient presented clinical complications with wound dehiscence and implant exposure, which evolved to the need for implant removal and knee arthrodesis. Conclusion: Support osteosynthesis as a graft fixation method is a viable option for treating tibial bone deficiencies. The proposed technique certainly needs further studies for its validation.
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Affiliation(s)
- Marcello Teixeira Castiglia
- Trainee Physician specializing in knee surgery and lower-limb trauma at Hospital das Clínicas, Ribeirão Preto School of Medicine, University of São Paulo (HCFMRP-USP)
| | - Juliano Voltarelli Franco da Silva
- Trainee Physician specializing in knee surgery and lower-limb trauma at Hospital das Clínicas, Ribeirão Preto School of Medicine, University of São Paulo (HCFMRP-USP)
| | - Gabriel Silva Quialheiro
- Trainee Physician specializing in knee surgery and lower-limb trauma at Hospital das Clínicas, Ribeirão Preto School of Medicine, University of São Paulo (HCFMRP-USP)
| | - Rodrigo Salim
- Attending Physician in the Discipline of Knee Surgery and Lower-limb Trauma, HCFMRP-USP
| | - Maurício Kfuri Júnior
- PhD. Professor in the Department of Biomechanics, Medicine and Rehabilitation of the Locomotor Apparatus, Ribeirão Preto School of Medicine, University of São Paulo (DMBRAL-USP)
| | - Cleber Antonio Jansen Paccola
- Titular Professor of the Department of Biomechanics, Medicine and Rehabilitation of the Locomotor Apparatus, Ribeirão Preto School of Medicine, University of Sao Paulo (DMBRAL-USP)
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Castiglia MT, Silva JVFD, Thomazini JA, Volpon JB. Efeitos do processamento químico e da esterilização em Óxido de etileno em osso cortical e esponjoso de ratas: estudo com microscopia de luz e eletrônica de varredura. Rev Bras Ortop 2009. [DOI: 10.1590/s0102-36162009000100005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Castiglia MT, da Silva JVF, Frezarim Thomazini JA, Volpon JB. EFFECTS OF CHEMICAL PROCESSING AND OXIDE ETHYLENE STERILIZATION ON CORTICAL AND CANCELLOUS RAT BONE: A LIGHT AND ELECTRON SCANNING MICROSCOPY STUDY. Rev Bras Ortop 2009; 44:32-9. [PMID: 26998450 PMCID: PMC4783594 DOI: 10.1016/s2255-4971(15)30046-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
To evaluate, under microscopic examination, the structural changes displayed by the trabecular and cortical bones after being processed chemically and sterilized by ethylene oxide. Methods: Samples of cancellous and cortical bones obtained from young female albinus rats (Wistar) were assigned to four groups according to the type of treatment: Group I- drying; Group II- drying and ethylene oxide sterilization; III- chemical treatment; IV- chemical treatment and ethylene oxide sterilization. Half of this material was analyzed under ordinary light microscope and the other half using scanning electron microscopy. Results: In all the samples, regardless the group, there was good preservation of the general morphology. For samples submitted to the chemical processing there was better preservation of the cellular content, whereas there was amalgamation of the fibres when ethylene oxide was used. Conclusion: Treatment with ethylene oxide caused amalgamation of the fibers, possibly because of heating and the chemical treatment contributed to a better cellular preservation of the osseous structure.
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Affiliation(s)
- Marcello Teixeira Castiglia
- Department of Biomechanics, Medicine and Musculoskeletal Rehabilitation, Ribeirão Preto School of Medicine, USP
| | | | | | - José Batista Volpon
- Department of Biomechanics, Medicine and Musculoskeletal Rehabilitation, Ribeirão Preto School of Medicine, USP
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