{"id":"paravertebral-block","safety":{"commonSideEffects":[{"rate":null,"effect":"Hypotension"},{"rate":null,"effect":"Pneumothorax"},{"rate":null,"effect":"Vascular puncture/hematoma"},{"rate":null,"effect":"Local anesthetic toxicity"},{"rate":null,"effect":"Nerve injury"}]},"_chembl":null,"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"The procedure involves injecting local anesthetic agents into the paravertebral space, which lies lateral to the vertebral bodies and contains spinal nerve roots. This blocks sensory and motor nerve transmission in the distribution of those nerves, providing anesthesia and analgesia to the chest wall, abdomen, or other areas depending on the injection level. It is used as an alternative or adjunct to general anesthesia and systemic analgesia.","oneSentence":"A paravertebral block is a regional anesthesia technique that injects local anesthetic around nerve roots as they exit the vertebral column to block pain sensation in specific body regions.","_ai_confidence":"medium"},"_scrapedAt":"2026-03-27T23:59:49.799Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Perioperative anesthesia and analgesia for thoracic and abdominal surgery"},{"name":"Postoperative pain management"},{"name":"Chronic pain conditions (e.g., postherpetic neuralgia, rib fractures)"}]},"trialDetails":[{"nctId":"NCT07498946","phase":"NA","title":"Comparison of Paravertebral Block and Deep Parasternal Intercostal Plane Block in Cardiac Surgery","status":"NOT_YET_RECRUITING","sponsor":"Gaziantep City Hospital","startDate":"2026-04-18","conditions":"Postoperative Pain, Cardiac Surgery, Postoperative Pain After Cardiac Surgery Via Median 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Gastrectomy","status":"NOT_YET_RECRUITING","sponsor":"IVO JURISIC","startDate":"2025-07-30","conditions":"Obese Patients, Bariatric Surgical Pain, Bariatric Surgery (Sleeve Gastrectomy )","enrollment":36},{"nctId":"NCT06810843","phase":"NA","title":"Sedation of Remazolam Combined With Afentanil in Non-intubated Thoracoscopic Pulmonary Surgery","status":"NOT_YET_RECRUITING","sponsor":"Qianfoshan Hospital","startDate":"2025-12","conditions":"Pulmonary Nodule Cm","enrollment":390},{"nctId":"NCT06441071","phase":"NA","title":"Patients' Positions on Analgesic Efficacy of ESPB","status":"RECRUITING","sponsor":"Nanjing First Hospital, Nanjing Medical University","startDate":"2024-06-14","conditions":"Erector Spinae Plane Block","enrollment":200},{"nctId":"NCT05943015","phase":"NA","title":"Analgesic Efficacy of Quadratus Lumborum, Paravertebral Blocks","status":"COMPLETED","sponsor":"Gaziosmanpasa Research and Education Hospital","startDate":"2022-09-05","conditions":"Postoperative Pain","enrollment":122},{"nctId":"NCT07064317","phase":"","title":"Catheter Tip Position and Contrast Distribution Following Paravertebral Catheter Insertion: a CT Study","status":"COMPLETED","sponsor":"Ziekenhuis Oost-Limburg","startDate":"2010-01-27","conditions":"Breast Cancer Patients","enrollment":31},{"nctId":"NCT05896150","phase":"NA","title":"Intercostal Cryoanalgesia for Acute Pain After VATS Lung Resection","status":"COMPLETED","sponsor":"Centre hospitalier de l'Université de Montréal (CHUM)","startDate":"2023-11-09","conditions":"Thoracic Surgery, Video-Assisted, Cryotherapy Effect","enrollment":80},{"nctId":"NCT07051434","phase":"","title":"Sleep During Recovery: Effect of Preoperative Regional Block on Postoperative Sleep Quality in Mastectomy Patients","status":"NOT_YET_RECRUITING","sponsor":"Istinye University","startDate":"2025-07-01","conditions":"Sleep Quality, Postoperative Recovery, Anesthesia 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Dexamethasone","status":"COMPLETED","sponsor":"Zhejiang Cancer Hospital","startDate":"2023-12-15","conditions":"Liver Cancer","enrollment":96},{"nctId":"NCT03941223","phase":"NA","title":"Regional Anesthesia for Breast Surgery","status":"WITHDRAWN","sponsor":"Azienda USL Reggio Emilia - IRCCS","startDate":"2019-05-29","conditions":"Breast Cancer","enrollment":""},{"nctId":"NCT04413799","phase":"EARLY_PHASE1","title":"PVB vs Ketamine/Lidocaine in Rib Fracture Patients","status":"TERMINATED","sponsor":"George Washington University","startDate":"2020-09-01","conditions":"Rib Fractures, Rib Trauma, Rib Fracture Multiple","enrollment":32},{"nctId":"NCT07024433","phase":"NA","title":"Tubeless Anesthesia in Preventing Lung Complications in Patients Undergoing Surgery for Early-Stage Lung Cancer","status":"RECRUITING","sponsor":"Fujian Medical University Union Hospital","startDate":"2025-05-25","conditions":"Lung Cancer 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