Aim: Surgical correction of scoliosis by anterior approach is a very extensive orthopaedic procedure. Pain after thoracotomy is one of the most intense types of pain and its treatment is a very complex procedure, especially in children and adolescents. Acute postoperative pain therapy is an important process, not only for the patient's comfort, but also for preventing complications, mainly respiratory. The aim of this study is to research the impact of continuous paravertebral nerve block on the intensity of pain in the early postoperative period, after the surgical correction of scoliosis by anterior approach. Methods: The research was conducted from May 2015 to December 2016 as a monocentric prospective study of 80 patients of ASA I and II status, aged 10-18 years. The test group consistsed of 40 patients with a paravertebral catheter applied with 0.25% levobupivacaine for continuous regional analgesia at a dose of 0,1 ml/kg/h. The 40 patients in the control group were intravenously given a combination of analgesics: metamizole at a dose of 0,5-1 gr and opioid analgesic tramadol at a dose of 2 mg/kg to a maximum of 100 mg. The intensity of pain after the operation was measured using the VAS scale at 1, 4, 8, 12, and 24 hours after the operation, then every 12 hours until the 5th postoperative day. Respiratory parameters FVC, FEV1 and PEF were determined before surgery in a sitting position on the bed and once daily until the 5th postoperative day. Analgesics consumption, the number of days in hospital, satisfaction with analgesia and overall satisfaction with the procedures were recorded. Results: Given the demographic characteristics, height, weight, age, gender and Cobb's angle, there were no statistically significant differences between the groups. The patients in the group with continuous paravertebral analgesia consumed about 50% less intravenous analgesics than the patients in the control group. Statistically significant difference was not found in the VAS scores nor was it found in the values of respiratory parameters, except for FEV1 of the second and the fourth postoperative days. The average grade for postoperative analgesia quality was 8,38 in the test group and 7,05 in the control group. This difference was statistically significant. The average satisfaction rating for all procedures was 7.48 in the test group and 6.60 in the control group and is also statistically significantly different. In the test group the number of days in hospital was lower. Conclusion: The results of this study show that continuous thoracic paravertebral blockade with the use of 0.25% of levobupivacaine achieves satisfactory postoperative analgesia with significantly lower consumption of opioid analgesics and fewer side effects. The multimodal approach, linking peripheral nerve blocks and systemic analgesia, was shown to be the most optimal in the treatment of postoperative pain. It is also important to mention that due to the lowered necessity for opioid analgesics decreases the chances of side effects, such as respiratory depression and addiction. The thoracic paravertebral block is an effective method for postoperative analgesia of children and adolescents after ventral spondylodesis in scoliosis correction.