{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T23:36:35Z","timestamp":1793144195048,"version":"4.5.0"},"reference-count":35,"publisher":"BMJ","issue":"12","license":[{"start":{"date-parts":[[2024,7,30]],"date-time":"2024-07-30T00:00:00Z","timestamp":1722297600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Reg Anesth Pain Med"],"accepted":{"date-parts":[[2024,7,15]]},"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To investigate long-term explantation risks and causes for the explantation of neuromodulation devices for the treatment of chronic pain from different manufacturers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective analysis included patients implanted with a system for spinal cord stimulation (SCS) or dorsal root ganglion (DRG) stimulation at Sahlgrenska University Hospital between January 2012 and December 2022. Patient characteristics, explantation rates and causes for explantation were obtained by reviewing medical records.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In total, 400 patients were included in the study. Including all manufacturers, the cumulative explantation risk for any reason was 17%, 23% and 38% at 3, 5 and 10 years, respectively. Explantation risk due to diminished pain relief at the same intervals was 10%, 14% and 23%. A subgroup comparison of 5-year explantation risk using Kaplan-Meier analysis did not show a statistically significant difference between the manufacturers. In multivariable Cox regression analyses, there was no difference in explantation risk for any reason, but for explantation due to diminished pain relief, a higher risk was noted for Medtronic (preferably older types of SCS devices) and DRG stimulation. No other predictive factor for explantation was found.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Although SCS and DRG stimulation are well-established and safe treatments for chronic pain, the long-term explantation risk remains high. The difference between manufacturers highlights the importance of technological evolution for improving therapy outcomes. Increased stringency in patient selection and follow-up strategies, as well as further development of device hardware and software technology for increased longevity, could possibly reduce long-term explantation risks.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/rapm-2024-105719","type":"journal-article","created":{"date-parts":[[2024,7,30]],"date-time":"2024-07-30T23:36:51Z","timestamp":1722382611000},"page":"923-929","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":15,"title":["Long-term explantation risk in patients with chronic pain treated with spinal cord or dorsal root ganglion stimulation"],"prefix":"10.1136","volume":"50","author":[{"given":"Kliment","family":"Gatzinsky","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Sahlgrenska University Hospital, Gothenburg, Sweden"},{"name":"Department of Clinical Neuroscience, University of Gothenburg Institute of Neuroscience and Physiology, Goteborg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beatrice","family":"Brink","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Sahlgrenska University Hospital, Gothenburg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristin Lilja","family":"Eygl\u00f3ard\u00f3ttir","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Sahlgrenska University Hospital, Gothenburg, Sweden"},{"name":"Department of Clinical Neuroscience, University of Gothenburg Institute of Neuroscience and Physiology, Goteborg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3628-7686","authenticated-orcid":false,"given":"Tobias","family":"Hall\u00e9n","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Sahlgrenska University Hospital, Gothenburg, Sweden"},{"name":"Department of Clinical Neuroscience, University of Gothenburg Institute of 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