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      Fraturas da extremidade proximal do úmero: estudo comparativo entre dois métodos de fixação Translated title: Proximal humerus fractures: comparative study of two different fixation methods

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          Abstract

          OBJETIVO: Comparar o resultado do tratamento das fraturas da extremidade proximal do úmero. osteossíntese com a placa em t de pequenos fragmentos (grupo a), promovendo uma estabilização relativa, em contraposição à placa com parafusos bloqueados (grupo b). MÉTODOS: São alocados de forma aleatória 18 pacientes e avaliados prospectivamente, segundo critérios clínicos, escala funcional e parâmetros radiográficos da redução obtida. RESULTADOS: Pela escala analógica de dor a média aos seis meses de evolução foi 2,1 para o grupo a e 2,2 para o grupo b, a amplitude de elevação no grupo a foi de 140ºe de 143ºno grupo b e a pontuação na escala funcional da ucla foi respectivamente 30 e 31. Nas radiografias avaliadas; no grupo a, três pacientes obtiveram ângulos medidos após a estabilização entre 0º e 10º de desvio em relação à anatomia normal e seis entre 11º e 40º, no grupo b sete pacientes com ângulos entre 0º e 10º e dois entre 11º e 20º. CONCLUSÕES: Nos resultados precoces e tardios não ocorreram diferenças clínicas e funcionais nos dois grupos, prevalecendo uma alta incidência de bons resultados. as medidas radiográficas das reduções obtidas ficaram mais próximas do anatômico no grupo tratado com placas bloqueadas.

          Translated abstract

          OBJECTIVES: The present study compares results of the treatment of patients with proximal humerus fractures using two different fixation methods: the t plate (group a) for small segments that provides a relative stabilization is compared to the locking screw plate that promotes a rigid fixation. METHODS: eighteen patients were randomly divided into two groups and evaluated prospectively according to clinical aspect, functional score and radiographic parameters of displacement after fixation. RESULTS: using the visual analogue scale - vas, the mean pain at six months of follow-up was 2.1 for group a and 2.2 for group b. the mean range of forward elevation was 140º in group a and 143º in group b. the mean ucla functional scale scores were 30 and 31, respectively. On the radiographic evaluation, the fractures of three patients in group a had between 0 and 10 degrees of displacement after stabilization and six patients had displacement between 11 and 40 degrees; for group b, seven patients had displacement between 0 and 10 degrees and three between 11 and 40 degrees. CONCLUSION: no early or late differences were found between groups in clinical and functional evaluations. in both groups, the prevalence of good results was observed. the reduction of the anatomical neck angles of the proximal humerus was closer to normal in the blocking screw group.

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          Most cited references42

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          Epidemiology of adult fractures: A review.

          The epidemiology of adult fractures is changing quickly. An analysis of 5953 fractures reviewed in a single orthopaedic trauma unit in 2000 showed that there are eight different fracture distribution curves into which all fractures can be placed. Only two fracture curves involve predominantly young patients; the other six show an increased incidence of fractures in older patients. It is popularly assumed that osteoporotic fractures are mainly seen in the thoracolumbar spine, proximal femur, proximal humerus and distal radius, but analysis of the data indicates that 14 different fractures should now be considered to be potentially osteoporotic. About 30% of fractures in men, 66% of fractures in women and 70% of inpatient fractures are potentially osteoporotic.
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            Repair of the rotator cuff. End-result study of factors influencing reconstruction.

            In fifty patients who had fifty tears of the rotator cuff that had been repaired, we correlated the preoperative findings by history, physical examination, and radiography with the operative findings, the difficulty of the repair, and the results after an average follow-up of 3.5 years. The results, which were rated on the basis of pain, function, range of motion, strength, and satisfaction of the patient, were satisfactory in 84 per cent and unsatisfactory in 16 per cent. The correlations of the preoperative findings with the results showed that pain and functional impairment, the primary indications for repair, were significantly relieved. The longer the duration of pain was preoperatively, the larger the cuff tear and the more difficult the repair were. The strength of abduction and of external rotation before repair was of prognostic value: the greater the weakness, the poorer the result. The poorest results were in patients with strength ratings of grade 3 or less. Limitation of active motion preoperatively was also of prognostic value: in patients who were unable to abduct the shoulder beyond 100 degrees preoperatively, there was an increased risk of a poor result. An acromiohumeral distance of seven millimeters or less (measured on the anteroposterior radiograph) suggested a larger tear and the likelihood that after repair there would be less strength in flexion, less active motion, and lower scores. Single or double-contrast arthrography was not consistently accurate in estimating the size of the tear. After so-called watertight repair and anterior acromioplasty, successful results can be anticipated in a high percentage of patients.
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              Non-operative treatment of comminuted fractures of the proximal humerus in elderly patients.

              Karol Zyto (1998)
              The purpose of this retrospective study was to assess the clinical and radiographical results of non-operative treatment of displaced multifragmental fractures of the proximal humerus with a minimum follow-up of 10 years. Fifteen patients (one man, 14 women) with 17 injured shoulders were examined. The Neer classification system was used to classify the fractures, and the functional outcome was assessed using the Constant score. At the 10 year review, the mean Constant score for the patients in the three-part fracture group was 59, and 47 in the four-part fracture group. The range of motion was satisfactory with a mean flexion and abduction over 90 degrees. Only four patients reported pain and it was graded as mild. In spite of low functional scoring and poor fracture reduction in many shoulders, the patient's contentment with their injured shoulder after 10 years with high. Radiographical examination revealed severe osteoarthrosis in one shoulder, and humeral head osteonecrosis in two shoulders. Results from this study suggests that non-operative treatment of displaced three-part fractures of the proximal humerus should be considered.
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                Author and article information

                Journal
                aob
                Acta Ortopédica Brasileira
                Acta ortop. bras.
                ATHA EDITORA (São Paulo, SP, Brazil )
                1413-7852
                1809-4406
                2010
                : 18
                : 2
                : 79-84
                Affiliations
                [01] Campinas SP orgnameHospital Vera Cruz orgdiv1Departamento de Ortopedia e Traumatologia Brasil
                Article
                S1413-78522010000200004 S1413-7852(10)01800204
                ff6e462b-008d-4968-9418-6d8428b3a800

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 29 May 2009
                : 29 October 2008
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 42, Pages: 6
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                SciELO Brazil

                Categories
                Artigo Original

                fracture fixation, internal,Fraturas do úmero,osteoporose,fixação interna de fraturas,estudos prospectivos,Estudo comparativo,prospective studies,humerus fractures,osteoporosis,comparative study

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