{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T16:28:16Z","timestamp":1783441696647,"version":"3.54.6"},"reference-count":38,"publisher":"Wiley","license":[{"start":{"date-parts":[[2021,12,23]],"date-time":"2021-12-23T00:00:00Z","timestamp":1640217600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004374","name":"Chongqing Medical University","doi-asserted-by":"publisher","award":["R9005"],"award-info":[{"award-number":["R9005"]}],"id":[{"id":"10.13039\/501100004374","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pain Research and Management"],"published-print":{"date-parts":[[2021,12,23]]},"abstract":"<jats:p>Objective. Recurrent lumbar disc herniation (RLDH) is the most common cause of sciatica after primary discectomy. The purpose of this study was to evaluate the efficacy of transpedicular dynamic stabilization (TDS) combined with limited rediscectomy in the treatment of single-level RLDH. Methods. We retrospectively evaluated a consecutive series of 24 middle-aged patients who underwent TDS (Dynesys system) combined with limited rediscectomy (i.e., removing only extruded or loose disc fragments) for single-level Carragee type II and type IV RLDH between April 2012 and September 2017. Clinical results were evaluated with visual analog scale (VAS) for leg and low back pain, Oswestry Disability Index (ODI) scores, and complications. Imaging data include lumbar segment motion and intervertebral height. Results. The mean follow-up period was 38 months. The VAS and ODI scores were significantly improved at the last follow-up. The average range of motion (ROM) at the stabilized segment was 6.4\u00b0 before surgery and 4.2\u00b0 at the last follow-up, with a 78.6% mean preservation (<jats:inline-formula>\n                     <a:math xmlns:a=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\">\n                        <a:mi>P<\/a:mi>\n                     <\/a:math>\n                  <\/jats:inline-formula>\u2009&lt;\u20090.05). Intervertebral height at the stabilized segment decreased slightly after surgery (<jats:inline-formula>\n                     <c:math xmlns:c=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\">\n                        <c:mi>P<\/c:mi>\n                     <\/c:math>\n                  <\/jats:inline-formula>\u2009&lt;\u20090.05). However, there was no further decline at the last follow-up. There were no cases of reherniation, screw loosening, or segmental instability. Conclusions. TDS combined with limited rediscectomy resulted in an effective procedure in middle-aged patients with Carragee type II and type IV RLDH. It was able to stabilize the operated segment with partial motion preservation. Moreover, it could maintain disc height and decrease the risk of recurrence in patients with a large posterior annular defect.<\/jats:p>","DOI":"10.1155\/2021\/1288246","type":"journal-article","created":{"date-parts":[[2021,12,23]],"date-time":"2021-12-23T19:20:49Z","timestamp":1640287249000},"page":"1-7","source":"Crossref","is-referenced-by-count":6,"title":["Posterior Dynamic Stabilization with Limited Rediscectomy for Recurrent Lumbar Disc Herniation"],"prefix":"10.1155","volume":"2021","author":[{"given":"Lei","family":"Luo","sequence":"first","affiliation":[{"name":"Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chen","family":"Zhao","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9596-3122","authenticated-orcid":true,"given":"Pei","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liehua","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6253-329X","authenticated-orcid":true,"given":"Qiang","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fei","family":"Luo","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, Southwest Hospital, Army Medical University, Chongqing 400038, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lichuan","family":"Liang","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing 401120, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1016\/j.otsr.2012.11.005"},{"issue":"14","key":"2","doi-asserted-by":"crossref","first-page":"E864","DOI":"10.1097\/BRS.0000000000002057","article-title":"Treatment of recurrent lumbar disc herniation with or without fusion in workers\u2019 compensation subjects","volume":"42","author":"J. 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