2013, Número 1
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Med Int Mex 2013; 29 (1)
Reunión multidisciplinaria de expertos en diagnóstico y tratamiento de pacientes con osteoartritis. Actualización basada en evidencias
Espinosa MR, Arce SCA, Cajigas MJC, Esquivel VJA, Gutiérrez GJJ, Martínez HJL, Méndez MC, Restrepo GN, Robles SM, Ruiz MJ, Santillán BE, Torres RF, Villalobos CE, Sosa GJO, Aldrete VJ, Cantú RAT
Idioma: Español
Referencias bibliográficas: 98
Paginas: 67-92
Archivo PDF: 564.86 Kb.
RESUMEN
Antecedentes: la osteoartritis es la forma más común de artritis
que afecta a 60% de los hombres y 70% de las mujeres mayores
de 70 años de edad. Los estudios de prevalencia reportan que la
osteoartritis de rodilla la padecen 10% de los hombres y 13% de
las mujeres de 60 años y más de edad. Su base fisiopatológica
es la pérdida progresiva del cartílago articular. Las principales
manifestaciones clínicas son el dolor y la limitación funcional. En
la actualidad existen tratamientos analgésicos, para disminuir la
limitación funcional y para modificar el curso de la enfermedad.
Objetivo: actualizar, con base en evidencias, el conocimiento para
el diagnóstico y tratamiento de pacientes con osteoartritis.
Método: estudio retrospectivo efectuado con base en el análisis
de la información encontrada en PubMed de guías de práctica
clínica, ensayos clínicos controlados y metanálisis relacionados
con el diagnóstico y tratamiento de pacientes adultos mayores de
18 años de edad, de uno y otro sexo, publicados en idioma inglés
y español entre los meses de abril de 2011 al 7 de agosto de 2012.
Se excluyeron de la búsqueda los niños y las mujeres embarazadas.
La búsqueda de guías de práctica clínica también incluyó sitios web
especializados: TRIPDATABASE, CMA INFOBASE, NGC, NHS,
NICE, Alberta Medical Association Guidelines, American College of
Physicians, ICSI, Australian Government, National Health and Medical
Research Council, NZGG, Singapore MOH Guidelines, MINSAL.
Resultados: la resonancia magnética ayuda a establecer el diagnóstico
temprano de osteoartritis porque detecta los cambios estructurales
iniciales en el espacio articular y en el grosor del cartílago.
El paracetamol, los antiinflamtorios no esteroides, los inhibidores de
la COX-2 y los opioides siguen prescribiéndose para disminuir los
síntomas; al igual que los SYSADOA, la viscosuplementación con el
hilano GF-20, y los péptidos de colágeno bioactivo. El sulfato de glucosamina
y de condroitina disminuyen los síntomas de la osteoartritis
de rodilla. La AAOS, ACR y EULAR apoyan la prescripción de ácido
hialurónico o de hilano GF-20 a pacientes con poca respuesta a los
analgésicos convencionales, o con contraindicación o poca tolerancia
a los antiinflamatorios no esteroides o inhibidores selectivos COX2.
Conclusiones: si bien el arsenal terapéutico es amplio y eficaz,
sigue siendo un anhelo encontrar fármacos que modifiquen el curso
natural de la enfermedad. Para esto se están evaluando diferentes
tratamientos dirigidos explícitamente al cartílago articular. El tratamiento
con péptidos de colágeno bioactivo es muy prometedor
porque los estudios preclínicos y clínicos sugieren que el colágeno
hidrolizado llega al cartílago y estimula la producción de la matriz
extracelular, a partir de los condrocitos.
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