sistema de fixação dinâmica de coluna lombar dynesys: experiência clínica em 30 pacientes num período médio de 1 ano sistema dynesis de fijación dinámica de la columna lumbar: la experiencia clínica en 30 pacientes en un período promedio de 1 año dynesys system of dynamic fixation for the lumbar spine: clinical experience in 30 patients in an average period of 1 year
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Abstract
OBJETIVO: Consiste en utilizar un nuevo concepto de estabilización dinámica, a expensas de la fusión convencional, con el fin de reproducir los resultados ya experimentados hasta la fecha por varios servicios en Brasil y en el mundo. MÉTODOS: Se evaluaron 30 pacientes sometidos a fijación dinámica de uno o dos segmentos lumbares. De estos, 19 eran hombres y 11 mujeres con una edad promediode 40,11 años (22-56), nueve de ellos sometidos a abordaje de dos niveles adyacentes (L4 -L5 y L5-S1). La enfermedad tratada fue protrusión del disco en ocho casos, discopatía degenerativa en 16 casos y estenosis de canal en seis casos. El seguimiento se realizó en nivel de pacientes externos, variando desde 8 a 13 meses, con un promedio de 12,3, utilizando parámetros clínicos, escala analógica de dolor y Oswestry, así como notas dadas por los pacientes cuanto a la satisfacción con el procedimiento, mejora de la calidad de vida y vuelta a sus actividades laborales. RESULTADOS: El porcentaje de pacientes que alcanzó el pleno retorno a las actividades de trabajo fue 76,6% (21 pacientes) en los primeros tres meses, y el resto retornó a trabajar hasta mediados del quinto mes. Se observó una mejoría significativa en el dolor lumbardemostrada por la disminución de la EVA (Preoperatorio: 8,6 y 12 meses; posoperatorio: 1,8). En cuanto a la calidad de vida, mejoró significativamente, siendo observada por la reducción de los índices de Oswestry (Preoperatorio: 68,6 y 12 meses; posoperatorio: 22,5). Todos los pacientes volvieron al trabajo después de seis meses de la operación. CONCLUSIÓN: Los resultados comprueban que el sistema dinámico ha demostrado ser eficaz en el tratamiento de enfermedades para las que se ha propuesto.
OBJECTIVE: Using a new concept of dynamic stability instead of conventional fusion, in order to reproduce the results so far achieved by several services in Brazil and worldwide. METHODS: We evaluated 30 patients undergoing dynamic fixation of the lumbar spine. Nineteen were men and 11 women with a mean age of 40.11 years (22-56), nine of them needed two adjacent levels of stabilization (L4-L5 and L5-S1). The diseases being treated were disc protrusion in 8 cases, discopathy in 16 cases and degenerative spinal stenosis in 6 cases. Follow-up was done on an outpatient basis, ranging from 8 to 13 months, with an average of 12.3, using clinical parameters, analogue pain scale and Oswestry, and ratings given by patients for satisfaction with the procedure, improvement of quality of life and return to work activities. RESULTS: The percentage of patients who achieved full return to work activities was 76.6% (21 patients) in the first three months, the others had returned to work until the middle of the fifth month. There was significant improvement in low back pain demonstrated by the decrease of VAS (Preoperative: 8.6 and 12 months; postoperative: 1.8). Regarding quality of life there was significant improvement observed by the reduced scoreof Oswestry (preoperative: 68,6 e 12 months; postoperative: 22.5). All patients returned to work after six months postoperatively. CONCLUSION: Based on the results, the dynamic system has proven to be effective in the treatment of diseases to which it is intended.
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sousa2012coluna/columnasistema
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| Authors | ;Paulo Rogério Costa de Sousa;Leonardo Oliveira Pereira |
| Journal | proceedings of the international conference on industrial engineering and operations management |
| Year | 2012 |
| DOI |
10.1590/S1808-18512012000100003
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