Interfascial Infiltration for Acute Unspecific Low Back Pain in the Emergency Department

"Injection of L-bupivacaine (50 mg) and dexamethasone (4 mg) in the interfascial space under ultrasound guidance.~Patients were kept under surveillance for at least one hour before discharge.~Patients were discharged home with a 7 day supply of acetaminophen 1000 mg orally every 6 h, ketoprofen 100 mg, orally twice a day, and muscle relaxant as needed. Patients were instructed to take tramadol 50 mg, orally every 6h as needed for low back pain, in case of insufficient relief."

"Standard medical treatment include acetaminophen, NSAIDs and muscle relaxant as first line pharmacological treatment and escalation to analgesics level II or morphine if required, as needed for low back pain, in agreement with national guidelines Route of administration (orally or iv) was let at the discretion of the attending emergency physician.~Patients were kept under surveillance for one hour before discharge. Patients were discharged home with a 7 day supply of acetaminophen 1000 mg orally every 6h, ketoprofen 100 mg, orally twice a day, and muscle relaxant as needed. Patients were instructed to take tramadol 50 mg, orally every 6h as needed for low back pain, in case of insufficient relief."