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Background and Aims Continuous Regional Catheters (CRCs) enable pain control beyond the immediate postoperative period, improving the quality of the patient’s functional recovery. Our objective is to analyze the evolution of CRC techniques for postoperative acute pain management in recent years.Methods A comparative, observational, longitudinal, and prospective study was conducted. Patients were recruited between January 2021 and December 2024. Variables recorded: Age, sex, duration of CRC use, technical approach, and involved surgical specialties. Remaining data are presented in table 1.Results • Mean age: 60.3 ± 18.6 years; 50.6% were female. • Most CRCs (80.7–85.8%) were indicated for orthopedic, general, and thoracic surgeries. A decline was observed in orthopedic surgery, while thoracic surgery saw an increase ( figure 1). • Technical approaches shifted toward thoracic paravertebral and epidural techniques, with reduced use of lumbar epidurals and femoral nerve blocks (table 2) • Despite adequate pain control during the first 48 hours, a slight worsening was noted on the first postoperative day, potentially linked to the rising prevalence of thoracic surgeries (table 1).Abstract EP176 Table 1Main results from CRT follow-upAbstract EP176 Table 2Classification of main type CRCs by progression (2021–2024)Abstract EP176 Figure 1Number of catheters by surgical specialityConclusions CRCs remain a widely utilized analgesic technique for specific surgeries, demonstrating high efficacy and minimal adverse effects. A trend toward thoracic techniques (epidural and paravertebral) is evident, whereas spinal and peripheral CRCs for lower limb surgeries are declining. This shift may reflect advancements in multimodal analgesic strategies and evolving surgical approaches.