• José Luis de la Calle, David Abejón, Ángeles Canós-Verdecho, José Cid, Pablo López Pais, María Mareque, Ana de Las Heras, Miguel Ángel Casado, and María Álvarez.
• Head of Pain Unit, Hospital Universitario Ramón y Cajal, Madrid, Spain.
• Pain Pract. 2023 Jul 1; 23 (6): 618625618-625.

ObjectiveTo determine, using the Delphi method, standardized recommendations for the follow-up of patients undergoing an interventional procedure for the treatment of chronic pain in Spain.MethodsFirst, a systematic literature review was performed to identify the literature on the management of patients with chronic pain undergoing interventional techniques; subsequently, a two-round Delphi survey with 108 questions was conducted. The questionnaire was validated by a Scientific Committee (5 experts) and sent to 47 experts specialized in chronic pain. "Consensus" or "intermediate consensus" was determined when ≥ 75% or < 75% to ≥ 65% of the experts selected the same answer for each item, respectively. Then, a face-to-face deliberation process was held with the Scientific Committee to analyze and discuss the results.ResultsThe questionnaire was completed by 24 panelists (51%). Consensus was reached on 88.4% of the questions. The panelists identified pain, drug consumption, and quality of life as essential variables in the follow-up of patients with chronic pain. Consensus was reached on most of the scales/questionnaires to be used in measuring outcomes during follow-up, except for psychological status. Regarding the follow-up frequency, in radicular spinal chronic pain, a consensus was reached on the first visit 1-2 months after the intervention, during the first year, at 1, 3, 6, and 12 months, and then every 6 months thereafter. For non-radicular spinal chronic pain, the first visit 1-2 months after surgery was agreed upon, however, there was no consensus on follow-up during the first year. For non-spinal chronic pain, consensus was reached regarding the first visit at 1-2 months after surgery and during the first year at 1, 3, 6, and 12 months. No consensus was reached on follow-up frequency for oncological chronic pain. After receiving a permanent neurostimulator implant for chronic pain, the first visit was agreed upon at 1-3 weeks, during the first year, at 2 weeks, 1, 3, 6, and 12 months, and after, every 6 months. For intrathecal infusion, it was agreed that the first visit should occur during the first month, and thereafter whenever the pump requires a refill.ConclusionsThese findings provide recommendations in relation to the frequency of follow-up and the scales to be used with chronic pain patients undergoing interventional techniques in Spain.© 2023 The Authors. Pain Practice published by Wiley Periodicals LLC on behalf of World Institute of Pain.

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