Ensayo clínico aleatorizado, enmascarado y controlado con placebo del bloqueo anestésico del nervio occipital mayor como tratamiento a corto plazo en migraña crónica: datos clínicos y algométricos
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2018
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13/12/2017
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Universidad Complutense de Madrid
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Abstract
La migraña crónica (MC) es una cefalea de alta prevalencia, con un impacto elevado sobre la calidad de vida. Por el momento existen pocos tratamientos que hayan demostrado su eficacia en esta entidad con un nivel de evidencia suficiente. Por otra parte, el conocimiento de su fisiopatología es asimismo insuficiente. El bloqueo del nervio occipital mayor (NOM) es una técnica muy extendida en el tratamiento de distintos tipos de cefaleas en la práctica clínica. Sin embargo, apenas se han realizado estudios controlados para evaluar la eficacia del bloqueo del NOM en la migraña, y sus resultados han sido, en ocasiones, contradictorios.Objetivos: Evaluar la eficacia clínica del bloqueo anestésico del NOM en la MC, y analizar su efecto a corto plazo sobre los umbrales de dolor a la presión (UDP) de distintos territorios anatómicos, tanto cefálicos como extracefálicos. Materiales y métodos: Se llevó a cabo un ensayo clínico paralelo, aleatorizado, doble ciego y controlado con placebo. Se reclutaron 36 mujeres con MC mediante un muestreo de casos consecutivos en la unidad de cefaleas de un hospital terciario. El uso excesivo de analgésicos fue criterio de exclusión...
Chronic migraine (CM) is a highly prevalent condition with a substantial impact on patients’ quality of life. Clinical trials in patients with CM are scarce, and, consequently, most of the treatments lack a high level of evidence. In addition, its pathophysiology remains poorly known. Greater occipital nerve (GON) blocks are widely used as a treatment in different types of headaches in clinical practice. However, very few randomized controlled trials have been performed to stablish their efficacy in CM, and the results have been contradictory so far.Objective: To assess the short-term clinical efficacy of GON anaesthetic blocks in CM and to analyze their effect on pressure pain thresholds (PPT) in cephalic and extracephalic territories. Participants and methods: The study was designed as a parallel, double-blind, randomized, placebo-controlled clinical trial. Thirty-six women with CM were recruited using a consecutive sampling at a tertiary headache center. Patients meeting criteria for medication overuse headache were systematically excluded. Participants were treated either with bilateral GON block with bupivacaine 0.5% (n=18) or a sham procedure with normal saline (n=18)...
Chronic migraine (CM) is a highly prevalent condition with a substantial impact on patients’ quality of life. Clinical trials in patients with CM are scarce, and, consequently, most of the treatments lack a high level of evidence. In addition, its pathophysiology remains poorly known. Greater occipital nerve (GON) blocks are widely used as a treatment in different types of headaches in clinical practice. However, very few randomized controlled trials have been performed to stablish their efficacy in CM, and the results have been contradictory so far.Objective: To assess the short-term clinical efficacy of GON anaesthetic blocks in CM and to analyze their effect on pressure pain thresholds (PPT) in cephalic and extracephalic territories. Participants and methods: The study was designed as a parallel, double-blind, randomized, placebo-controlled clinical trial. Thirty-six women with CM were recruited using a consecutive sampling at a tertiary headache center. Patients meeting criteria for medication overuse headache were systematically excluded. Participants were treated either with bilateral GON block with bupivacaine 0.5% (n=18) or a sham procedure with normal saline (n=18)...
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Tesis de la Universidad Complutense de Madrid, Facultad de Medicina, Departamento de Medicina, leída el 13/12/2017