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Filter by:: Spine surgery induced severe postoperative pain. Several techniques as intravenous multimodal analgesia have been proposed to reduce pain relief and morphine rescue over the first postoperative days. Regional anesthesia using the erectus nerve block is a simple infiltration across lamina of the vertebra: Ultrasound-guided posterior ramus of spinal nerve block for anesthesia and analgesia in lumbar spinal surgery This study compared erector nerve block with local anesthetic vs placebo to reduce pain and morphine rescue after lumbar spine surgery. The investigators hypothesized that eructor nerve block induced a large block from L1 to L5 that induced posterior nerve roots block anesthesia. This block reduced pain after surgery.
Randomized, double-blind, placebo-controlled, research pilot study. 30 subjects aged 22-55 years old of all skin types will be asked to sign an informed consent form prior to any study procedures. Subjects must have at least 1 but up to 3 acne scars ≥3 mm or ≤ 10 mm located on the cheeks or forehead. Subjects will receive one treatment (Restylane® Silk or Placebo) in each scar at day 0, and Month 1 (2 total treatments per scar during the study). Subjects will be asked to come to 10 visits: Screening visit (up to 35 days prior to Baseline), Baseline (Day 0), Day 7, Day 14, Month 1, Month 2, Month 3, Month 4, Month 5, and Month 6 (study exit visit). The treatment area will be evaluated at each visit by the unblinded investigator regarding erythema, bruising, inflammation, itching, stinging/burning, brightness, fullness, smoothness, and clarity. Safety and adverse events will be captured at each visit only by the unblinded investigator.