title: Ultrasound-guided piriformis muscle injection. A new approach.
abstract: Piriformis syndrome is an uncommon cause of buttock and leg pain. Some treatment options include the injection of piriformis muscle with local anesthetic and steroids. Various techniques for piriformis muscle injection have been described. Ultrasound allows direct visualization and real time injection of the piriformis muscle. We describe 5 consecutive patients, diagnosed of piriformis syndrome with no improvement after pharmacological treatment. Piriformis muscle injection with local anesthetics and steroids was performed using an ultrasound technique based on a standard technique. All 5 patients have improved their pain measured by numeric verbal scale. One patient had a sciatic after injection that improved in 10 days spontaneously. We describe an ultrasound-guided piriformis muscle injection that has the advantages of being effective, simple, and safe.
authors.affiliation: Servicio de Anestesiología y Reanimación, Hospital del Salnés, Villagarcía de Arosa, Pontevedra, España. Electronic address: Emiliano.Bevilacqua.Alen@sergas.es.
authors.forename: E
authors.initials: E
authors.lastname: Bevilacqua Alén
authors.affiliation: Servicio de Anestesiología y Reanimación, Hospital del Salnés, Villagarcía de Arosa, Pontevedra, España.
authors.forename: A
authors.initials: A
authors.lastname: Diz Villar
authors.affiliation: Servicio de Anestesiología y Reanimación, Hospital del Salnés, Villagarcía de Arosa, Pontevedra, España.
authors.forename: F
authors.initials: F
authors.lastname: Curt Nuño
authors.affiliation: Servicio de Anestesiología y Reanimación, Complejo Hospitalario Universitario de Vigo, Vigo, Pontevedra, España.
authors.forename: G
authors.initials: G
authors.lastname: Illodo Miramontes
authors.affiliation: Servicio de Anestesiología y Reanimación, Hospital del Salnés, Villagarcía de Arosa, Pontevedra, España.
authors.forename: F J
authors.initials: FJ
authors.lastname: Refojos Arencibia
authors.affiliation: Servicio de Anestesiología y Reanimación, Hospital Universitario Lucus Augusti, Lugo, España.
authors.forename: J M
authors.initials: JM
authors.lastname: López González
mesh_terms: D000779:Anesthetics, Local; D002081:Buttocks; D006801:Humans; D007267:Injections; D055958:Piriformis Muscle Syndrome / Q000628:therapy*; D014463:Ultrasonography
chemical_list: D000779:Anesthetics, Local
keywords: Back pain; Dolor lumbar; Inyección muscular; Muscle injection; Piriformis syndrome; Síndrome piriforme; Técnicas ecoguiadas; Ultrasound-guided techniques