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Vol. 2. Núm. 5.
Páginas 251-260 (septiembre - octubre 2006)
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Vol. 2. Núm. 5.
Páginas 251-260 (septiembre - octubre 2006)
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Consideraciones acerca de las alteraciones de la actividad cerebral en pacientes con fibromialgia
Considerations on alterations in brain activity in patients with fibromyalgia
Pedro Montoyaa,
Autor para correspondencia

Correspondencia: Dr. P. Montoya. Departamento de Psicología. Universitat de les Illes Balears. Ctra. de Valldemossa, km 7,5. 07071 Palma de Mallorca. España.
, Carolina Sitgesa, Manuel García-Herrerab, Raúl Izquierdob, Magdalena Truyolsc, Dolores Colladob
a Departamento de Psicología e Instituto Universitario de Investigación en Ciencias de la Salud (IUNICS). Universitat de les Illes Balears. Palma de Mallorca. España
b Unidad Médica del Equipo de Valoración de Incapacidades (UMEVI). Instituto Nacional de la Seguridad Social. Dirección Provincial de les Illes Balears. Palma de Mallorca. España
c Unidad de Dolor. Hospital General. Palma de Mallorca. España
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La fibromialgia es un trastorno de dolor crónico osteomuscular de etiología desconocida y caracterizado por dolor generalizado. La investigación clínica y experimental ha demostrado que los pacientes con fibromialgia pueden presentar un aumento de la sensibilidad para el dolor en varias regiones corporales, junto con alteraciones neuroendocrinas y una activación anormal de regiones cerebrales implicadas en el dolor. Los datos recientes han demostrado también que el procesamiento afectivo y cognitivo de la información relacionada con el dolor se encuentra alterado en la fibromialgia. En nuestra opinión, todos estos resultados sugieren la presencia de un procesamiento anormal del dolor en el sistema nervioso central, que podría ser responsable del mantenimiento del dolor crónico en estos pacientes.

Palabras clave:
Dolor crónico

Fibromyalgia is a chronic musculoskeletal pain disorder of unknown etiology, characterized by widespread pain. Clinical and experimental research has demonstrated that patients with fibromyalgia may have enhanced pain sensitivity at several points of the body, together with neuroendocrine abnormalities, and abnormal activation of pain-related brain regions. Recent data have also shown that affective and cognitive processing of pain-related information could also be disturbed in fibromyalgia. In our opinion, all these findings suggest the existence of abnormal central pain processing, which could be responsible for the persistence of chronic pain in these patients.

Key words:
Chronic pain
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