
ResumenIntroducciónLa osteoartritis de rodilla es una causa común de consulta en el mundo. Muchos pacientes con síntomas leves responden a los tratamientos conservadores, y otros requieren de tratamiento intervencionista, como bloqueos de nervios periféricos.ObjetivoDeterminar la eficacia clínica y la seguridad del manejo intervencionista con bloqueo del nervio safeno guiado por ultrasonografía en pacientes con dolor crónico de rodilla.Materiales y métodosEstudio de tipo descriptivo retrospectivo en pacientes con enfermedad dolorosa crónica de rodilla que recibieron tratamiento intervencionista guiado por ultrasonografía en una clínica de dolor del país entre los meses de septiembre de 2011 y junio de 2012, para determinar su eficacia clínica y su seguridad. Se obtuvieron datos de todos los pacientes antes del procedimiento, a los 2días, un mes y 3meses después. La intensidad de dolor se midió con la escala visual analógica.ResultadosSe realizaron 25 bloqueos del nervio safeno. El 68% de los pacientes presentaron alivio del dolor a los 2días. El 56 y el 40% presentaron alivio al mes y a los 3meses de realizado el procedimiento, respectivamente, con una diferencia estadísticamente significativa (p<0,0001) entre las medianas de la escala visual analógica inicial y la escala visual analógica de los seguimientos. No se presentaron complicaciones. Los pacientes con antecedente de fibromialgia, dolor de características neuropáticas y cirugía previa de rodilla presentaron respuestas analgésicas variables con el bloqueo.ConclusionesEl manejo intervencionista del dolor crónico de rodilla con el bloqueo del nervio safeno guiado por ultrasonografía de los pacientes observados fue una opción de tratamiento eficaz y segura.AbstractIntroductionKnee osteoarthritis is a common cause for consultation around the world. Many patients with mild symptoms respond to conservative treatment, while others require interventional therapy including peripheral nerve blocks.ObjectiveTo establish the clinical efficacy and safety of interventional management with ultrasound-guided saphenous nerve block in patients with chronic keen pain.Materials and methodsDescriptive, retrospective trial in chronic keen pain patients who underwent ultrasound-guided interventional therapy at the pain clinic in the country, between September 2011 and June 2012, to determine the clinical efficacy and safety of the procedure. Data were obtained from all patients prior to the procedure, and then at two days, one month and three months later. The pain intensity was measured using the visual analog scale.Results25 saphenous nerve blocks were performed. 68% of the patients experienced pain relief within two days. 56% and 40% exhibited relief one and three months after the procedure, respectively, with a statistically significant difference (p < 0.0001) between the baseline visual analog scale and the follow-up evaluation. Patients with a history of fibromyalgia, neuropathic characteristics and previous knee surgery exhibited variable analgesic responses to the procedure.ConclusionsInterventionist chronic knee pain management with ultrasound-guided saphenous nerve block was an effective and safe approach for these patients.
Fibromyalgia, Nerve block, Chronic pain, Dolor crónico, Fibromialgia, Critical Care and Intensive Care Medicine, Ultrasonografía, Bloqueo nervioso, Anesthesiology and Pain Medicine, Analgesia, Ultrasonography
Fibromyalgia, Nerve block, Chronic pain, Dolor crónico, Fibromialgia, Critical Care and Intensive Care Medicine, Ultrasonografía, Bloqueo nervioso, Anesthesiology and Pain Medicine, Analgesia, Ultrasonography
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