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1.
Rev Bras Ortop (Sao Paulo) ; 56(3): 333-339, 2021 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-34239198

RESUMO

Objective To evaluate clinically and radiologically the results of the treatment of chondral lesions using collagen membrane - autologous matrix-induced chondrogenesis (AMIC). Methods This is a series of observational cases, in which 15 patients undergoing AMIC were analyzed. The clinical evaluation was made by comparing the Lysholm and International Knee Document Commitee (IKDC) scores in the pre- and postoperative period of 12 months, and radiological evaluation using the Magnetic Resonance Observation of Cartilage Repair Tissue (MOCART) score in the same postoperative period. Results The mean age of the patients was 39.2 years old, and the mean size of the chondral lesions was 1.55cm 2 . There was a significant improvement in clinical scores, with a mean increase of 24.6 points on Lysholm and of 24.3 on IKDC after 12 months. In the radiological evaluation, MOCART had a mean of 65 points. It was observed that the larger the size of the lesion, the greater the improvement in scores. Conclusion Evaluating subjective clinical scores, the treatment of chondral lesions with the collagen membrane showed good results, as well as the evaluation of MOCART, with greater benefit in larger lesions.

2.
Rev. bras. ortop ; 56(3): 333-339, May-June 2021. tab, graf
Artigo em Inglês | LILACS | ID: biblio-1288682

RESUMO

Abstract Objective To evaluate clinically and radiologically the results of the treatment of chondral lesions using collagen membrane - autologous matrix-induced chondrogenesis (AMIC). Methods This is a series of observational cases, in which 15 patients undergoing AMIC were analyzed. The clinical evaluation was made by comparing the Lysholm and International Knee Document Commitee (IKDC) scores in the pre- and postoperative period of 12 months, and radiological evaluation using the Magnetic Resonance Observation of Cartilage Repair Tissue (MOCART) score in the same postoperative period. Results The mean age of the patients was 39.2 years old, and the mean size of the chondral lesions was 1.55cm2. There was a significant improvement in clinical scores, with a mean increase of 24.6 points on Lysholm and of 24.3 on IKDC after 12 months. In the radiological evaluation, MOCART had a mean of 65 points. It was observed that the larger the size of the lesion, the greater the improvement in scores. Conclusion Evaluating subjective clinical scores, the treatment of chondral lesions with the collagen membrane showed good results, as well as the evaluation of MOCART, with greater benefit in larger lesions.


Resumo Objetivo Avaliar clínica e radiologicamente os resultados do tratamento das lesões condrais com a membrana de colágeno - condrogênese autóloga induzida por matriz. Métodos Trata-se de uma série de casos observacional, na qual foram analisados 15 pacientes submetidos a condrogênese autóloga induzida por matriz. A avaliação clínica foi feita comparando os escores de Lysholm e International Knee Document Commitee (IKDC, na sigla em inglês) no pré- e pós-operatório de 12 meses, e avaliação radiológica através do escore de Magnetic Resonance Observation of Cartilage Repair Tissue (MOCART, na sigla em inglês) no mesmo período de pós-operatório. Resultados A média de idade dos pacientes foi 39,2 anos, e a média do tamanho das lesões condrais foi de 1,55cm2. Houve uma melhora significativa nos escores clínicos, com média de aumento de 24,6 pontos no Lysholm e de 24,3 no IKDC, após 12 meses. Na avaliação radiológica, o MOCART teve média de 65 pontos. Observou-se que quanto maior o tamanho da lesão, maior foi a melhora nos escores. Conclusão Avaliando escores clínicos subjetivos, o tratamento das lesões condrais com a membrana de colágeno mostrou bons resultados, assim como a avaliação de MOCART, com maior benefício em lesões maiores.


Assuntos
Humanos , Masculino , Feminino , Adolescente , Adulto , Pessoa de Meia-Idade , Período Pós-Operatório , Espectroscopia de Ressonância Magnética , Cartilagem Articular , Colágeno , Condrogênese , Traumatismos do Joelho
3.
Rev Bras Ortop (Sao Paulo) ; 56(1): 53-60, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33627900

RESUMO

Objective To compare the function and quality of life of patients undergoing total knee arthroplasty (TKA) with fixed tibial platform and mobile tibial platform. Methods We evaluated 240 patients with knee osteoarthritis, randomized into two groups - Group A consisted of 120 patients who underwent TKA with fixed tibial platform, and the B group, consisting of 120 patients who underwent mobile platform arthroplasty. Patients were accessed according to the function and quality of life by the Western Ontario and McMaster Universities Arthritis Index (WOMAC) and the Short Form Health Survey (SF-36), and pain scores by visual analog scale (VAS) of pain, preoperatively and at 6 months, 1 year, 2 years, 4 years and 8 years of surgery. Results Regarding the various domains of the SF-36, we observed that the average behavior of functional capacity scores, physical aspects, pain and emotional aspects in the patient groups were statistically different during follow-up. The other domains of quality of life showed no mean differences. Regarding the pain assessed by VAS and WOMAC pain scores, we can see that it showed a mean change in follow-up in both patient groups. However, at 2 years of follow-up, they were statistically worse in group A, equaling group B in the other moments. Conclusion After 2 years of follow-up, we observed that pain scores and VAS were lower in the fixed platform group. However, these differences did not remain in the mid-term, suggesting that the mobile tibial platform arthroplasty has a short-term advantage, and may help in the rehabilitation process.

4.
Orthop J Sports Med ; 8(4): 2325967120913531, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32341931

RESUMO

BACKGROUND: Medial meniscal extrusion (MME) is defined as displacement of the meniscus that extends beyond the tibial margin. Knee varus malalignment increases MME. PURPOSE/HYPOTHESIS: The purpose of this study was to quantify MME before and after medial opening wedge high tibial osteotomy (HTO) and to correlate the reduction of MME with clinical outcomes and return to activity. It was hypothesized that MME would decrease after HTO and that patients with lower MME after surgery would have improved clinical outcomes and return to activity at short-term follow-up. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: This study included 66 patients who underwent HTO to correct the anatomic axis with a minimum follow-up of 2 years. MME was measured using magnetic resonance imaging preoperatively and 6 weeks after surgery (study protocol). Patients were assessed preoperatively and postoperatively with the Knee injury and Osteoarthritis Outcome Score (KOOS), visual analog scale (VAS) score for pain, and Tegner score. RESULTS: The mean ± SD preoperative and postoperative MME values were 3.9 ± 0.6 mm and 0.9 ± 0.5 mm, respectively. At 2 years after surgery, KOOS, pain VAS, and Tegner scores were higher than those found preoperatively (P < .001). Patients with less than 1.5 mm of MME after surgery had better clinical outcomes and return to activity compared with patients who had MME of 1.5 mm or more (P < .05). CONCLUSION: Medial opening wedge HTO decreased MME after 6 weeks and improved clinical outcomes and return to activity at a minimum 2-year follow-up. Additionally, patients with postoperative MME of less than 1.5 mm had better clinical outcomes and return to activity compared with patients who had postoperative MME of 1.5 mm or more.

5.
J Knee Surg ; 33(5): 474-480, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-30754068

RESUMO

The objective of this study was to determine in vivo knee kinematics and clinical outcomes of patients who underwent fixed- and mobile-bearing total knee arthroplasty (TKA) at 1- and 2-year follow-up. This prospective double-blinded randomized controlled trial was performed from November 2011 to December 2012. A total of 64 patients were randomized to fixed- and mobile-bearing TKA groups (32 patients in each group). All patients were evaluated with the following: three-dimensional in vivo knee kinematics analysis during gait, stepping up and stepping down stair steps, and getting up from and sitting on a chair; and knee range of motion and patient-reported outcome measures (Knee Outcome Survey Activities of Daily Living Scale [KOS-ADLS] and pain visual analog scale [VAS]) at 1- and 2-year follow-up. Descriptive statistics (means, standard deviations, and percentages) were calculated for all variables. The Kolmogorov-Smirnov test was used to test if variables were normally distributed. A Student's t-test was used to compare continuous variables between patients in the two groups. The chi-square test was used to compare the groups with respect to categorical variables. The α level for statistical significance was set at p < 0.05. The mean axial tibiofemoral rotation in patients who underwent mobile-bearing TKA was significantly higher during gait (13.3 vs. 10.7), stepping up (12.8 vs. 10) stair steps, and getting up (16.1 vs. 12.1) from a chair compared with fixed-bearing TKA patients at 1-year follow-up (p < 0.05). KOS-ADLS function score was significantly higher in the mobile-bearing compared with the fixed-bearing TKA group (32 vs. 27.7) at 1-year follow-up (p < 0.05). No significant difference in kinematics and clinical outcomes between fixed- and mobile-bearing TKA groups was observed at 2-year follow-up (p > 0.05). Based on the results of this study, mobile-bearing TKA allowed a higher degree of rotation when walking, stepping up stair steps, and standing up from a chair, and had higher functional outcomes compared with fixed-bearing TKA at 1-year follow-up. However, no difference in in vivo kinematics or in clinical outcomes was observed between fixed- and mobile-bearing prostheses at 2-year follow-up.


Assuntos
Artroplastia do Joelho/instrumentação , Prótese do Joelho , Osteoartrite do Joelho/cirurgia , Desenho de Prótese , Amplitude de Movimento Articular/fisiologia , Atividades Cotidianas , Idoso , Artroplastia do Joelho/métodos , Fenômenos Biomecânicos , Feminino , Seguimentos , Marcha , Humanos , Articulação do Joelho/fisiopatologia , Articulação do Joelho/cirurgia , Masculino , Pessoa de Meia-Idade , Osteoartrite do Joelho/fisiopatologia , Medidas de Resultados Relatados pelo Paciente , Estudos Prospectivos , Rotação , Fatores de Tempo
6.
Rev. bras. ortop ; 53(6): 733-739, Nov.-Dec. 2018. tab, graf
Artigo em Inglês | LILACS | ID: biblio-977903

RESUMO

ABSTRACT Objectives: To evaluate the clinical and functional results of patients diagnosed with full-thickness chondral defects on symptomatic knees who underwent a biological repair technique using autologous matrix-induced chondrogenesis. Methods: Seven patients who underwent surgical treatment due to chondral lesions in the knee by autologous matrix-induced chondrogenesis were evaluated. The Lysholm, Kujala and visual analog scale of pain questionnaires were applied before and 12 months after the surgery. Nuclear magnetic resonance images were evaluated 12 months after surgery according to MOCART (magnetic resonance observation of cartilage repair tissue) cartilage repair tissue score. Results: Of the seven patients evaluated, three presented defects classified as grade III and four as grade IV according to the International Cartilage Repair Society classification. Chondral defects were located in the medial femoral condyle (n = 2), patella (n = 2), and trochlea (n = 3). The mean age of the patients (six men and one woman) was 37.2 years (24-54 years). The mean chondral defect size was 2.11 cm2 (1.0-4.6 cm2). After 12 months, post-operative nuclear magnetic resonance showed resurfacing of the lesion site with scar tissue less thick than normal cartilage in all patients. The mean MOCART score was 66.42 points. A significant decrease in pain and an improvement in the Lysholm and Kujala scores were observed. Conclusion: The use of the collagen I/III porcine membrane was favorable for the treatment of chondral and osteochondral lesions of the knee when assessing the results using the VAS, Lysholm, and Kujala scores 1 year after surgery, as well as when assessing the magnetic resonance image of the lesion 6 months after surgery.


RESUMO Objetivos: Avaliar os resultados clínicos e funcionais dos pacientes com diagnóstico de lesões condrais de espessura total em joelhos sintomáticos submetidos a um método de reparação biológica por meio da técnica de condrogênese autóloga induzida por matriz. Métodos: Foram avaliados sete pacientes submetidos a tratamento cirúrgico devido a lesões condrais no joelho pela técnica de condrogênese autóloga induzida por matriz. Foram usados os questionários Lysholm e Kujala e a escala visual analógica da dor antes e após um ano de cirurgia. As imagens de ressonância nuclear magnética foram avaliadas após 12 meses de acordo com os critérios de reparo cartilaginoso de Mocart (magnetic resonance observation of cartilage repair tissue). Resultados: Dos sete pacientes avaliados, três apresentavam defeitos classificados como grau III e quatro como grau IV, de acordo com a classificação da International Cartilage Repair Society. Os defeitos condrais estavam no côndilo femoral medial (n = 2), na patela (n = 2) e na tróclea (n = 3). A média de idade dos sete pacientes (seis homens e uma mulher) foi de 37,2 anos (24 a 54). O tamanho médio dos defeitos condrais foi de 2,11 cm2 (1,0 a 4,6 cm2). Após 12 meses, a ressonância nuclear magnética pós-operatória mostrou preenchimento do local da lesão com tecido cicatricial menos espesso do que a cartilagem normal em todos os pacientes. O valor médio do questionário de Mocart após 12 meses foi de 66,42 pontos. Observou-se diminuição importante na dor e melhoria da avaliação dos questionários de Lysholm e Kujala. Conclusão: O uso da membrana de colágeno I/III de origem porcina se mostrou favorável no tratamento de lesões condrais e osteocondrais do joelho quando se avaliaram os resultados obtidos com a escala visual analógica da dor e o questionário de Lysholme Kujala um ano após a cirurgia, bem como quando se avaliou a imagem da lesão na ressonância magnética seis meses após a cirurgia.


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Cartilagem Articular , Colágeno , Condrogênese , Artroplastia Subcondral , Traumatismos do Joelho
7.
Rev Bras Ortop ; 53(6): 733-739, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30377608

RESUMO

OBJECTIVES: To evaluate the clinical and functional results of patients diagnosed with full-thickness chondral defects on symptomatic knees who underwent a biological repair technique using autologous matrix-induced chondrogenesis. METHODS: Seven patients who underwent surgical treatment due to chondral lesions in the knee by autologous matrix-induced chondrogenesis were evaluated. The Lysholm, Kujala and visual analog scale of pain questionnaires were applied before and 12 months after the surgery. Nuclear magnetic resonance images were evaluated 12 months after surgery according to MOCART (magnetic resonance observation of cartilage repair tissue) cartilage repair tissue score. RESULTS: Of the seven patients evaluated, three presented defects classified as grade III and four as grade IV according to the International Cartilage Repair Society classification. Chondral defects were located in the medial femoral condyle (n = 2), patella (n = 2), and trochlea (n = 3). The mean age of the patients (six men and one woman) was 37.2 years (24-54 years). The mean chondral defect size was 2.11 cm2 (1.0-4.6 cm2). After 12 months, post-operative nuclear magnetic resonance showed resurfacing of the lesion site with scar tissue less thick than normal cartilage in all patients. The mean MOCART score was 66.42 points. A significant decrease in pain and an improvement in the Lysholm and Kujala scores were observed. CONCLUSION: The use of the collagen I/III porcine membrane was favorable for the treatment of chondral and osteochondral lesions of the knee when assessing the results using the VAS, Lysholm, and Kujala scores 1 year after surgery, as well as when assessing the magnetic resonance image of the lesion 6 months after surgery.


OBJETIVOS: Avaliar os resultados clínicos e funcionais dos pacientes com diagnóstico de lesões condrais de espessura total em joelhos sintomáticos submetidos a um método de reparação biológica por meio da técnica de condrogênese autóloga induzida por matriz. MÉTODOS: Foram avaliados sete pacientes submetidos a tratamento cirúrgico devido a lesões condrais no joelho pela técnica de condrogênese autóloga induzida por matriz. Foram usados os questionários Lysholm e Kujala e a escala visual analógica da dor antes e após um ano de cirurgia. As imagens de ressonância nuclear magnética foram avaliadas após 12 meses de acordo com os critérios de reparo cartilaginoso de Mocart (magnetic resonance observation of cartilage repair tissue). RESULTADOS: Dos sete pacientes avaliados, três apresentavam defeitos classificados como grau III e quatro como grau IV, de acordo com a classificação da International Cartilage Repair Society. Os defeitos condrais estavam no côndilo femoral medial (n = 2), na patela (n = 2) e na tróclea (n = 3). A média de idade dos sete pacientes (seis homens e uma mulher) foi de 37,2 anos (24 a 54). O tamanho médio dos defeitos condrais foi de 2,11 cm2 (1,0 a 4,6 cm2). Após 12 meses, a ressonância nuclear magnética pós-operatória mostrou preenchimento do local da lesão com tecido cicatricial menos espesso do que a cartilagem normal em todos os pacientes. O valor médio do questionário de Mocart após 12 meses foi de 66,42 pontos. Observou-se diminuição importante na dor e melhoria da avaliação dos questionários de Lysholm e Kujala. CONCLUSÃO: O uso da membrana de colágeno I/III de origem porcina se mostrou favorável no tratamento de lesões condrais e osteocondrais do joelho quando se avaliaram os resultados obtidos com a escala visual analógica da dor e o questionário de Lysholme Kujala um ano após a cirurgia, bem como quando se avaliou a imagem da lesão na ressonância magnética seis meses após a cirurgia.

8.
Knee Surg Sports Traumatol Arthrosc ; 25(6): 1692-1696, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-27056687

RESUMO

PURPOSE: Until now, there are no definitive conclusions regarding functional differences related to middle- and long-term everyday activities and patient pain following implantation of mobile- and fixed-platform tibial prostheses. The aim of this study was to determine whether there are middle-term differences in knee function and pain in patients undergoing fixed- and mobile-bearing total knee arthroplasty (TKA). METHODS: Eligible patients were randomized into two groups: the first group received TKA implantation with a fixed tibial platform (group A); the second group received TKA with a mobile tibial platform (group B). Patients were followed up (2 years), and their symptoms and limitations in daily living activities were evaluated using the Knee Outcome Survey-Activities of Daily Living Scale (ADLS), in addition to pain evaluation assessed using the pain visual analogue scale (VAS). RESULTS: There were no significant differences in function and symptoms in the ADLS and VAS between the study groups. CONCLUSION: The type of platform used in TKA (fixed vs. mobile) does not change the symptoms, function or pain of patients 2 years post-surgery. Although mobile TKAs may have better short-term results, at medium- and long-term follow-up they do not present important clinical differences compared with fixed-platform TKAs. This information is important so that surgeons can choose the most suitable implant for each patient. LEVEL OF EVIDENCE: Randomized clinical trial, Level I.


Assuntos
Atividades Cotidianas , Artroplastia do Joelho , Prótese do Joelho , Osteoartrite do Joelho/cirurgia , Idoso , Artroplastia do Joelho/métodos , Método Duplo-Cego , Feminino , Humanos , Imageamento por Ressonância Magnética , Masculino , Osteoartrite do Joelho/diagnóstico por imagem , Osteoartrite do Joelho/psicologia , Medição da Dor , Dor Pós-Operatória , Resultado do Tratamento
9.
Knee Surg Sports Traumatol Arthrosc ; 24(3): 792-5, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-26860290

RESUMO

PURPOSE: To evaluate the graft diameter size after one-year follow-up or more of patients Tanner II, III, and IV who were submitted to anterior cruciate ligament reconstruction. METHODS: Ten patients [five males (mean age: 14.4 years) and five females (mean age: 13.6 years)] with open physis and anterior cruciate ligament tear were submitted to transphyseal anterior cruciate ligament reconstruction with quadruple hamstrings graft. During the procedure, graft and tunnel size were recorded. After last clinical follow-up (range 1-11 years), an MRI study was requested and their measurements near the tibial tunnel were compared with the graft diameter measured and used during primary procedure. RESULTS: Four patients had Tanner stage II, four patients Tanner stage III, and two Tanner IV. There were statistically significant decreases in the quadruple hamstrings graft diameter size (average of 25.3%). Mean size at time of surgery was 7.9 mm (±0.87), and mean size measured at different points of follow-up evaluation was 5.9 mm (±0.65). CONCLUSION: Diameter size of hamstring graft in skeletally immature patients is smaller in most cases. If there is a decrease in the diameter of the graft along postoperative time, the risk of a re-rupture is theoretically further increased. Quadruple hamstring graft decreases a mean 25.3% in diameter from time of anterior cruciate ligament reconstruction surgery until reassessment period in skeletally immature patients. LEVEL OF EVIDENCE: IV.


Assuntos
Reconstrução do Ligamento Cruzado Anterior , Articulação do Joelho/crescimento & desenvolvimento , Imageamento por Ressonância Magnética , Tendões/anatomia & histologia , Tendões/transplante , Adolescente , Ligamento Cruzado Anterior/cirurgia , Feminino , Seguimentos , Humanos , Articulação do Joelho/cirurgia , Masculino
10.
Knee ; 21(5): 911-5, 2014 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-24993276

RESUMO

BACKGROUND: Current literature supports the thought that anesthesia and analgesia administered perioperatively for an anterior cruciate ligament (ACL) reconstruction have a great influence on time to effective rehabilitation during the first week after hospital discharge. PURPOSE: The aim of this study is to answer the research question is there a difference in clinical outcomes between the use of a femoral nerve block with spinal anesthesia versus spinal analgesia alone for people undergoing ACL reconstruction? METHODS: ACL reconstruction with spinal anesthesia and patient sedation (Group one); and spinal anesthesia with patient sedation and an additional femoral nerve block (Group two). Patients were re-evaluated for pain, range of motion (ROM), active contraction of the quadriceps, and a Functional Independence Measure (FIM) scoring scale. RESULTS: Spinal anesthesia with a femoral nerve block demonstrates pain relief 6h after surgery (VAS 0.37; p=0.007). From the third (VAS=4.56; p=0.028) to the seventh (VAS=2.87; p=0.05) days after surgery, this same nerve blockage delivered higher pain scores. Patients had a similar progressive improvement on knee joint range of motion with or without femoral nerve block (p<0.002). Group one and two had 23.75 and 24.29° 6h after surgery and 87.81 and 85.36° of knee flexion after 48h post op. CONCLUSION: Spinal anesthesia associated with a femoral nerve block had no additional benefits on pain control after the third postoperative day. There were no differences between groups concerning ability for knee flexion and to complete daily activities during postoperative period. LEVEL OF EVIDENCE: Randomized Clinical Trial Level I.


Assuntos
Raquianestesia , Lesões do Ligamento Cruzado Anterior , Reconstrução do Ligamento Cruzado Anterior/efeitos adversos , Traumatismos do Joelho/cirurgia , Bloqueio Nervoso , Dor Pós-Operatória/prevenção & controle , Adolescente , Adulto , Amidas/administração & dosagem , Anestésicos Locais/administração & dosagem , Ligamento Cruzado Anterior/cirurgia , Bupivacaína/administração & dosagem , Método Duplo-Cego , Feminino , Nervo Femoral , Humanos , Masculino , Dor Pós-Operatória/diagnóstico , Dor Pós-Operatória/etiologia , Estudos Prospectivos , Amplitude de Movimento Articular , Recuperação de Função Fisiológica , Ropivacaina , Resultado do Tratamento , Adulto Jovem
11.
J Bone Joint Surg Am ; 96(10): 816-23, 2014 May 21.
Artigo em Inglês | MEDLINE | ID: mdl-24875022

RESUMO

BACKGROUND: The patella is the largest human sesamoid bone and often sustains chondral injury. There is no consensus on how to treat a full-thickness, symptomatic articular cartilage injury of the patella. We analyzed the clinical and functional outcomes of patients with symptomatic full-thickness patellar chondral lesions treated with autologous osteochondral transplantation and evaluated osteochondral autograft bone-plug integration through magnetic resonance imaging. METHODS: In this prospective study, thirty-three patients with a symptomatic full-thickness patellar chondral injury surgically treated with autologous osteochondral transplantation were evaluated before and after surgical treatment with a minimum two-year follow-up using the Lysholm, Kujala, and Fulkerson questionnaires and the Short Form-36 health survey score. Magnetic resonance images were made at six and twelve months postoperatively and studies were performed to analyze the osteochondral autograft bone-plug integration. RESULTS: All thirty-three patients showed a significant improvement in functional scores two years after surgery. The average Lysholm scores were 57.27 points preoperatively and 80.76 points at two years postoperatively, the average Kujala scores were 54.76 points preoperatively and 75.18 points at two years postoperatively, and the Fulkerson average scores were 54.24 points preoperatively and 80.42 points at two years postoperatively. The Short Form-36 life quality score improved significantly. Two years after surgery, all magnetic resonance images showed full bone-plug integration into the patella. CONCLUSIONS: Autologous osteochondral transplantation is a successful technique to surgically treat symptomatic full-thickness patellar articular cartilage injuries smaller than 2.5 cm in diameter. Patients had a significant improvement in clinical scores. Bone-plug integration and surface alignment were demonstrated in all patients two years after surgery. LEVEL OF EVIDENCE: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.


Assuntos
Cartilagem Articular/lesões , Cartilagem/transplante , Patela/lesões , Adolescente , Adulto , Autoenxertos , Transplante Ósseo/métodos , Transplante Ósseo/reabilitação , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Patela/cirurgia , Cuidados Pós-Operatórios/reabilitação , Cuidados Pré-Operatórios/métodos , Estudos Prospectivos , Recuperação de Função Fisiológica , Resultado do Tratamento , Adulto Jovem
12.
Rev Bras Ortop ; 47(3): 348-53, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-27042645

RESUMO

OBJECTIVE: The primary aim of this study was to assess the clinical and functional evolution of patients with total-thickness symptomatic cartilaginous injury of the patellar joint surface, treated by means of osteochondral autologous transplantation. METHODS: This prospective study was conducted from June 2008 to March 2011 and involved 17 patients. The specific questionnaires of Lysholm, Kujala and Fulkerson were completed preoperatively and one year postoperatively in order to assess the affected knee, and SF-36 was used to assess these patients' general quality of life. The nonparametric paired Wilcoxon test was used for statistical analysis on the pre and postoperative questionnaires. The data were analyzed using the SPSS for Windows software, version 16.0, and a significance level of 5% was used. RESULTS: The Lysholm preoperative and postoperative average scores were 54.59 and 75.76 points (p < 0.05). The Fulkerson pre and postoperative average scores were 52.53 and 78.41 points (p < 0.05). CONCLUSIONS: We believe that autologous osteochondral transplantation is a good treatment method for total-thickness symptomatic chondral lesions of the joint surface of the patella.

13.
Rev. bras. ortop ; 47(3): 348-353, 2012. ilus, tab
Artigo em Português | LILACS | ID: lil-649672

RESUMO

OBJETIVO: O objetivo primário deste estudo é avaliar a evolução clínica e funcional dos pacientes com lesão cartilaginosa de espessura total, sintomática da superfície articular da patela tratados com transplante osteocondral autólogo. MÉTODOS: Este estudo prospectivo envolveu 17 pacientes, sendo realizado no período de junho de 2008 a março de 2011. Foram preenchidos no pré-operatório e com um ano de pós-operatório, os questionários específicos de Lysholm, Kujala e Fulkerson para avaliação do joelho acometido e o SF-36 para avaliação da qualidade de vida geral dos pacientes. Foi utilizado o teste não paramétrico pareado de Wilcoxon na análise estatística dos valores pré e pós-operatórios dos questionários e os dados foram analisados no programa SPSS for Windows versão 16.0 e uma significância de 5% foi adotada. RESULTADOS: O Lysholm pré e pós-operatório médio foi de 54,59 e 75,76 pontos (p < 0,05). A pontuação do Fulkerson pré e pós-operatório médio foi de 52,53 e 78,41 pontos (p < 0,05). CONCLUSÕES: Consideramos o transplante osteocondral autólogo um bom método de tratamento para as lesões condrais de espessura total sintomáticas da superfície articular da patela.


OBJECTIVE: The primary aim of this study was to assess the clinical and functional evolution of patients with total-thickness symptomatic cartilaginous injury of the patellar joint surface, treated by means of osteochondral autologous transplantation. METHODS: This prospective study was conducted from June 2008 to March 2011 and involved 17 patients. The specific questionnaires of Lysholm, Kujala and Fulkerson were completed preoperatively and one year postoperatively in order to assess the affected knee, and SF-36 was used to assess these patients' general quality of life. The nonparametric paired Wilcoxon test was used for statistical analysis on the pre and postoperative questionnaires. The data were analyzed using the SPSS for Windows software, version 16.0, and a significance level of 5% was used. RESULTS: The Lysholm preoperative and postoperative average scores were 54.59 and 75.76 points (p < 0.05). The Fulkerson pre and postoperative average scores were 52.53 and 78.41 points (p < 0.05). CONCLUSIONS: We believe that autologous osteochondral transplantation is a good treatment method for total-thickness symptomatic chondral lesions of the joint surface of the patella.


Assuntos
Humanos , Masculino , Feminino , Patela/transplante , Transplante Autólogo
14.
RBM rev. bras. med ; 68(4,n.esp)abr. 2011.
Artigo em Português | LILACS | ID: lil-592244

RESUMO

Objetivo: O objetivo deste estudo é avaliar a influência da inclinação posterior da tíbia proximal na incidência de lesões dos ligamentos cruzados anterior e posterior do joelho. Métodos: Foram avaliadas, retrospectivamente, as radiografias pré-operatórias na incidência em perfil com filme longo de joelho de 30 pacientes consecutivos submetidos a reconstrução do ligamento cruzado anterior e 30 pacientes submetidos a reconstrução do ligamento cruzado posterior. Para comparação de variáveis categóricas entre os grupos foi utilizado o teste não paramétrico de Quiquadrado de Pearson. Foi assumido valor de a=5% como estatisticamente significante. Resultados: Dos indivíduos com inclinação tibial, £ 4,75% pertenciam ao grupo dos pacientes com lesão do LCP e 71,4% dos indivíduos com inclinação tibial ³ 10 pertenciam ao grupo de pacientes com lesão do LCA. Conclusão: Em indivíduos com valores intermediários de inclinação tibial posterior (5 a 9 graus) parece não haver a influência desta variável nas lesões ligamentares estudadas. Já nos extremos parece haver uma relação, no entanto estudos com maior número de pacientes seriam necessários para confirmar esta hipótese.


Assuntos
Humanos , Masculino , Feminino , Adulto , Disfunção do Tendão Tibial Posterior , Ligamento Cruzado Anterior/lesões , Ligamento Cruzado Posterior/lesões
15.
Acta ortop. bras ; 18(6): 349-352, 2010. ilus, graf, tab
Artigo em Português | LILACS | ID: lil-570538

RESUMO

OBJETIVO: Avaliar o resultado clínico da técnica de transplante osteocondral autólogo (TOA) para tratamento das lesões osteocondrais do joelho de atletas. MÉTODOS: Em um seguimento médio de 52 meses (30 a 82 meses), 19 pacientes foram avaliados pré e pós-operatoriamente pelos protocolos do IKDC subjetivo, Cincinnati modificado e nível de retorno aos esportes. O prognóstico conforme idade, tempo de sintomatologia, presença de lesões associadas e local da lesão também foi avaliado. RESULTADOS: O valor de IKDC foi de 64,6 + 6,8 no pré-operatório e de 81,8 + 20,1 no pós-operatório. O Cincinnati modificado foi de 5,3 + 0,8 no pré-operatório e de 7,5 + 1,7 no pós-operatório. 53 por cento dos pacientes retornaram aos esportes no nível anterior à lesão, 29 por cento em nível inferior e 17 por cento abandonaram a prática esportiva regular. Os melhores resultados clínicos foram observados em pacientes menores de 35 anos, com menos de um ano de sintomas, com lesões nos côndilos femorais e sem lesões menisco ligamentares associadas. Resultados piores foram observados nas lesões da tróclea quando comparados aos dos côndilos femorais. CONCLUSÃO: Joelhos submetidos ao TOA têm uma melhora subjetiva significativa após a cirurgia. O retorno ao esporte ocorre em um grupo específico de pacientes.


OBJECTIVE: To evaluate clinical outcomes of the osteochondral autologous transplantation technique for treatment of osteochondral defects of the knee in athletes. METHODS: For an average follow-up period of 52 months (30 to 82 months), 19 patients were evaluated pre and post-operatively by using subjective IKDC scores, modified Cincinnati Scores, and rate of return to sports activities. Prognosis according to age, duration of symptoms and location of the lesion was also evaluated. RESULTS: Subjective IKDC scores were 64.6 + 6.8 pre-operatively and 81.8 + 20.1 post-operatively. Modified Cincinnati score was 5.3 + 0.8 pre-operatively and 7.5 + 1.7 post-operatively. Fifty-three percent of the patients returned to pre-operative level of sports activity, 29 percent returned to a lower level, and 17 percent did not return to sports. Better results were observed in patients younger than 35 years, with less than one year of symptoms, in patients with femoral condyle defects and without concomitant meniscus or ACL tear. Throclear lesions had inferior results to condylar defects. CONCLUSION: Osteochondral autologous transplantation promoted a subjective improvement of the knee in athletes. Return to sports activity occurred in a specific group of patients.


Assuntos
Humanos , Masculino , Feminino , Adolescente , Adulto , Pessoa de Meia-Idade , Traumatismos em Atletas , Osteoartrite do Joelho , Osteoartrite do Joelho/fisiopatologia , Transplante Autólogo , Traumatismos do Joelho/reabilitação , Artroscopia/métodos , Cartilagem Hialina
16.
Rev. bras. ortop ; 43(8): 309-318, ago. 2008. ilus
Artigo em Português | LILACS | ID: lil-494100

RESUMO

A tendinopatia do patelar ou jumper's knee (joelho do saltador) é uma afecção que acomete freqüentemente atletas praticantes de atividades de salto ou aquelas que exigem força de impacto repetitivo. Histologicamente, a sobrecarga excessiva no tendão pode provocar alterações na matriz extracelular, resultando em pequenas lesões que, cronicamente, poderão levar a um quadro de tendinose, principalmente na região do pólo inferior da patela. A dor na região anterior do joelho é o primeiro sintoma relatado pelo paciente portador dessa afecção. Seu início é insidioso e gradual, principalmente após atividade física, mas, com a progressão da doença, pode tornar-se freqüente durante ou já no início da atividade. O diagnóstico de tendinopatia do patelar é eminentemente clínico, caracterizado por dor à palpação no pólo inferior da patela e adjacências e, nos casos mais avançados, nódulo palpável e edema associado podem ser visualizados. Exames complementares, como radiografia, ultra-sonografia (US) e ressonância magnética (RM) auxiliam no diagnóstico. O US e a RM são os mais indicados, pois podem definir o local exato da lesão, sua extensão, como também identificar a presença ou não de alterações degenerativas, sendo a RM o que fornece melhor resolução. O tratamento inicial da tendinopatia é clínico, com repouso relativo, correção dos fatores etiológicos, além de crioterapia e medidas fisioterápicas. A utilização da medicação analgésica e antiinflamatória é controversa. Nos casos que não respondem ao tratamento clínico, o cirúrgico é opção, e várias técnicas são descritas, a literatura demonstrando índices variados de bons resultados.


Patellar tendinopathy, or jumper's knee, is often seen in athletes that practice jumping modalities, or modalities that require repetitive impact strength. Histologically, the excessive load on the tendon may cause changes in the extracellular matrix and results in small lesions that may, when chronic, lead to tendinosis specially in the lower pole of the patella. Pain in the anterior region of the knee is the first symptom reported by the patient with this disease. The beginning is insidious and gradual, mainly after physical activity, but with the progression of the disease, pain may be frequent during or already in the beginning of the activity. The diagnosis of patellar tendinopathy is eminently clinical, characterized by pain when palpating the lower pole of the patella and adjacent areas. In more advanced cases, a palpable nodule and associated edema may be visualized. Supplemental exams, such as X-ray, ultrasound, and MRI help in the diagnosis. Ultrasound and MRI are the best indications, as they may define the exact location of the lesion, its extension, and also identify whether or not degenerating changes are present, MRI providing the best resolution. Initial tendinopathy treatment is clinical, with relative rest, correction of etiologic factors, cryotherapies and physiotherapy. The use of pain killers and anti-inflammatory drugs is controverted. For those cases that do not respond to clinical treatment, surgical is an option, and the literature brings several techniques with varying rates of good results.


Assuntos
Humanos , Ligamento Patelar/patologia , Tendinopatia/diagnóstico , Tendinopatia/etiologia
17.
Arthroscopy ; 23(6): 629-34, 2007 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-17560477

RESUMO

PURPOSE: To evaluate the stability and arthrosis of the knee 10 to 15 years after arthroscopic-assisted anterior cruciate ligament (ACL) reconstruction with patellar tendon graft. METHODS: From July 1986 to March 1991, 82 patients underwent arthroscopic-assisted ACL reconstruction with patellar tendon graft. Of these, 62 returned for follow-up evaluation between November 2000 and April 2001. Four different physicians, blinded to each other's examination findings, evaluated the radiologic as well as surgical results according to the International Knee Documentation Committee criteria and the Lysholm knee scoring scale. RESULTS: There were 47 male and 15 female patients. The mean period between injury and surgery was 16 months (range, 2 weeks to 8 years). Results of radiographs were compared with the finding of meniscal lesions during surgery and with International Knee Documentation Committee test results. A statistically significant association (P < .0001) was found between medial or lateral arthrosis of the knee and meniscal injury. In all patients the presence of tears in both menisci was associated with osteoarthrosis in both compartments (medial and lateral). CONCLUSIONS: In patients who underwent arthroscopic-assisted ACL reconstruction with patellar tendon graft who also had medial or lateral meniscectomy (or both), arthrosis of the respective compartments developed by 10 to 15 years after reconstruction. Meniscectomy was also associated with poorer results on objective tests of knee function, even with a stable knee joint. LEVEL OF EVIDENCE: Level IV, therapeutic case series.


Assuntos
Ligamento Cruzado Anterior/cirurgia , Artroscopia/efeitos adversos , Meniscos Tibiais/cirurgia , Osteoartrite do Joelho/etiologia , Adolescente , Adulto , Lesões do Ligamento Cruzado Anterior , Feminino , Seguimentos , Humanos , Traumatismos do Joelho/reabilitação , Traumatismos do Joelho/cirurgia , Masculino , Pessoa de Meia-Idade , Ligamento Patelar/transplante , Método Simples-Cego , Fatores de Tempo
18.
Acta ortop. bras ; 4(4): 149-54, out.-dez. 1996. ilus, tab, graf
Artigo em Português | LILACS | ID: lil-206704

RESUMO

Os autores estudaram a autotransfusäo intra-operatória em artroplastias totais de joelho, unilaterais, cimentadas, primárias. Os pacientes foram divididos em dois grupos. No primeiro grupo foram selecionados os pacientes que receberam sangue autólogo de pré-depósito e utilizaram o sistema de salvamento sanguíneo. O grupo-controle foi composto de 16 pacientes tratados com sangue homólogo. Concluem que o uso de sangue autólogo pré-depositado e salvamento sanguíneo intra-operatório é útil para diminuir a necessidade de transfusäo de sangue homólogo. Com relaçäo ao custo, o salvamento sanguíneo intra-operatório só é efetivo quando ocorre o salvamento de 2,5 unidades de sangue. Os componentes do sangue salvado säo semelhantes aos do sangue obtido em veia periférica.


Assuntos
Humanos , Masculino , Feminino , Pessoa de Meia-Idade , Período Intraoperatório , Prótese do Joelho , Transfusão de Sangue Autóloga/métodos , Transfusão de Sangue Autóloga/economia
19.
Acta ortop. bras ; 4(4): 161-8, out.-dez. 1996. ilus, tab
Artigo em Português | LILACS | ID: lil-206706

RESUMO

Os autores estudaram a vascularizaçäo e celularidade de 32 meniscos de oito cadáveres frescos de crianças entre zero e um ano de idade. Utilizaram a avaliaçäo radigráfica com contraste, apresentando os resultados do índice de vascularizaçäo meniscal para cada segmento. Realizaram também o estudo histológico meniscal com a coloraçäo de hematoxilina e eosina. Concluíram que os valores médios do índice de vascularizaçäo meniscal säo iguais quando comparados bilateralmente para um mesmo indivíduo, bem como maiores que o das outras faixas etárias já estudadas na literatura. Concluem também que o estudo histológico é mais sensível que o radiográfico, demonstrando a presença de capilares em todo o menisco. Tal fato foi comprovado com o uso da técnica de histoquímica para coloraçäo do endotélio. Näo encontraram alteraçöes da celularidade com o decorrer da idade estudada, mas um aumento da substância intersticial meniscal.


Assuntos
Humanos , Masculino , Feminino , Recém-Nascido , Lactente , Colágeno/análise , Meniscos Tibiais/irrigação sanguínea , Meniscos Tibiais/citologia , Capacitância Vascular , Cadáver , Coloração e Rotulagem
20.
Rev. bras. ortop ; 29(8): 551-6, ago. 1994. ilus, tab
Artigo em Português | LILACS | ID: lil-201389

RESUMO

No período de agosto de 1991 a maio de 1992, 25 pacientes com instabilidade anterior de joelho, todos praticantes de alguma modalidade esportiva e com desejo de retornar o mais precocemente possível ao esporte, foram tratados através da reconstruçäo intra-articular do ligamento cruzado anterior, utilizando-se associaçäo do ligamento biológico, composto do terço médio de tendäo patelar, com ligamento sintético de poliéster, este com o objetivo de proteger o ligamento autógeno nas fases iniciais de cicatrizaçäo. O tempo de seguimento foi, em média, de 27,2 meses. Os autores analisaram os resultados obtidos através do protocolo de avaliaçäo para ligamentos do joelho do IKDC (International Knee Documentation Committee), vantagens e desvantagens decorrentes do método e os achados em cinco artroscopias revisionais.


Assuntos
Humanos , Masculino , Feminino , Adolescente , Adulto , Ligamento Cruzado Anterior/cirurgia , Articulação do Joelho/cirurgia , Instabilidade Articular/cirurgia , Transferência Tendinosa/métodos , Seguimentos , Transplante Autólogo
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