{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T11:29:52Z","timestamp":1785497392045,"version":"3.56.0"},"reference-count":29,"publisher":"Japanese Society for Spine Surgery and Related Research","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Spine Surg Relat Res"],"published-print":{"date-parts":[[2024,1,27]]},"DOI":"10.22603\/ssrr.2023-0084","type":"journal-article","created":{"date-parts":[[2023,9,4]],"date-time":"2023-09-04T22:52:23Z","timestamp":1693867943000},"page":"58-65","source":"Crossref","is-referenced-by-count":8,"title":["Association of Pars Defect Type with Clinical Outcome after Smiley Face Rod Methods for Terminal-Stage Spondylolysis"],"prefix":"10.22603","volume":"8","author":[{"given":"Shun","family":"Okuwaki","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery, Institute of Medicine, University of Tsukuba"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaki","family":"Tatsumura","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine, University of Tsukuba Hospital Mito Clinical Education and Training Center Mito Kyodo General Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hisanori","family":"Gamada","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Institute of Medicine, University of Tsukuba"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reo","family":"Asai","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Institute of Medicine, University of Tsukuba"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katsuya","family":"Nagashima","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine, University of Tsukuba Hospital Mito Clinical Education and Training Center Mito Kyodo General Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yosuke","family":"Takeuchi","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Sports Medicine, University of Tsukuba Hospital Mito Clinical Education and Training Center Mito Kyodo General Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toru","family":"Funayama","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Institute of Medicine, University of Tsukuba"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masashi","family":"Yamazaki","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, Institute of Medicine, University of Tsukuba"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"9891","reference":[{"key":"1","doi-asserted-by":"crossref","unstructured":"1. Kurd MF, Patel D, Norton R, et al. Nonoperative treatment of symptomatic spondylolysis. J Spinal Disord Tech. 2007;20 (8):560-4.","DOI":"10.1097\/BSD.0b013e31803dcddd"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2. Menga EN, Kebaish KM, Jain A, et al. Clinical results and functional outcomes after direct intralaminar screw repair of spondylolysis. Spine (Phila Pa 1976). 2014;39 (1):104-10.","DOI":"10.1097\/BRS.0000000000000043"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Aebi M. Direct screw fixation of the spondylolysis without fusion. Eur Spine J. 2010;19 (10):1803-5.","DOI":"10.1007\/s00586-010-1572-x"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Debnath UK, Scammell BE, Freeman BJC, et al. Predictive factors for the outcome of surgical treatment of lumbar spondylolysis in young sporting individuals. Global Spine J. 2018;8 (2):121-8.","DOI":"10.1177\/2192568217713008"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. Gillet P, Petit M. Direct repair of spondylolysis without spondylolisthesis, using a rod-screw construct and bone grafting of the pars defect. Spine (Phila Pa 1976). 1999;24 (12):1252-6.","DOI":"10.1097\/00007632-199906150-00014"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6. Yamashita K, Higashino K, Sakai T, et al. The reduction and direct repair of isthmic spondylolisthesis using the smiley face rod method in adolescent athlete: technical note. J Med Invest. 2017;64 (1.2):168-72.","DOI":"10.2152\/jmi.64.168"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7. Ulibarri JA, Anderson PA, Escarcega T, et al. Biomechanical and clinical evaluation of a novel technique for surgical repair of spondylolysis in adolescents. Spine (Phila Pa 1976). 2006;31 (18):2067-72.","DOI":"10.1097\/01.brs.0000231777.24270.2b"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Okuwaki S, Tatsumura M, Gamada H, et al. Direct reduction and repair of spondylolysis with grade 1 slip using the smiley face rod: a case report. J Rural Med. 2021;16 (1):56-61.","DOI":"10.2185\/jrm.2020-039"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Metsemakers WJ, Claes G, Terryn PJ, et al. Reamer-Irrigator-Aspirator bone graft harvesting for treatment of segmental bone loss: analysis of defect volume as independent risk factor for failure. Eur J Trauma Emerg Surg. 2019;45 (1):21-9.","DOI":"10.1007\/s00068-017-0821-7"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10. Goulet JA, Senunas LE, DeSilva GL, et al. Autogenous iliac crest bone graft. Complications and functional assessment. Clin Orthop Relat Res. 1997; (339):76-81.","DOI":"10.1097\/00003086-199706000-00011"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11. Megas P. Classification of non-union. Injury. 2005;36 Suppl 4:S30-7.","DOI":"10.1016\/j.injury.2005.10.008"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12. Zhang ZC, Zhang Y, Zhang LZ, et al. Repair of symptomatic bilateral L5 spondylolysis with autogenous iliac crest graft and temporary intersegmental pedicle screw fixation in youth. J Orthop Surg Res. 2021;16 (1):422.","DOI":"10.1186\/s13018-021-02534-y"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13. Kershen LM, Nacey NC, Patrie JT, et al. Accuracy and efficacy of fluoroscopy-guided pars interarticularis injections on immediate and short-term pain relief. Skeletal Radiol. 2016;45 (10):1329-35.","DOI":"10.1007\/s00256-016-2427-2"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14. Kang WY, Lee JW, Lee E, et al. Efficacy and outcome predictors of fluoroscopy-guided facet joint injection for spondylolysis. Skeletal Radiol 2018;47 (8):1137-44.","DOI":"10.1007\/s00256-018-2897-5"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15. Suh PB, Esses SI, Kostuik JP. Repair of pars interarticularis defect. The prognostic value of pars infiltration. Spine (Phila Pa 1976). 1991;16 (8 Suppl):S445-8.","DOI":"10.1097\/00007632-199108001-00027"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. Wu SS, Lee CH, Chen PQ. Operative repair of symptomatic spondylolysis following a positive response to diagnostic pars injection. J Spinal Disord. 1999 (1);12:10-6.","DOI":"10.1097\/00002517-199902000-00002"},{"key":"17","unstructured":"17. Meyerding HW. Spondylolisthesis; surgical fusion of lumbosacral portion of spinal column and interarticular facets; use of autogenous bone grafts for relief of disabling backache. J Int Coll Surg. 1956;26:566-91."},{"key":"18","doi-asserted-by":"crossref","unstructured":"18. Pfirrmann CW, Metzdorf A, Zanetti M, et al. Magnetic resonance classification of lumbar intervertebral disc degeneration. Spine (Phila Pa 1976). 2001;26:1873-8.","DOI":"10.1097\/00007632-200109010-00011"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Kanda Y. Investigation of the freely available easy-to-use software &apos;EZR&apos; for medical statistics. Bone Marrow Transplant. 2013;48 (3):452-8.","DOI":"10.1038\/bmt.2012.244"},{"key":"20","doi-asserted-by":"crossref","unstructured":"20. Deguchi M, Rapoff AJ, Zdeblick TA. Biomechanical comparison of spondylolysis fixation techniques. Spine (Phila Pa 1976). 1999;24 (4):328-33.","DOI":"10.1097\/00007632-199902150-00004"},{"key":"21","doi-asserted-by":"crossref","unstructured":"21. Westacott DJ, Cooke SJ. Functional outcome following direct repair or intervertebral fusion for adolescent spondylolysis: a systematic review. J Pediatr Orthop. 2012;B 21 (6):596-601.","DOI":"10.1097\/BPB.0b013e328355393d"},{"key":"22","doi-asserted-by":"crossref","unstructured":"22. Omran K, Othman AM. Lumbar spondylolysis reconstruction-stabilization using a motion-preserving technique. World Neurosurg. 2021;154:e698-e706.","DOI":"10.1016\/j.wneu.2021.07.124"},{"key":"23","doi-asserted-by":"crossref","unstructured":"23. Chen XS, Zhou SY, Jia LS, et al. A universal pedicle screw and V-rod system for lumbar isthmic spondylolysis: a retrospective analysis of 21 cases. PLoS One. 2013;8 (5):e63713.","DOI":"10.1371\/journal.pone.0063713"},{"key":"24","doi-asserted-by":"crossref","unstructured":"24. Bauer TW, Muschler GF. Bone graft materials. An overview of the basic science. Clin Orthop Relat Res. 2000; (371):10-27.","DOI":"10.1097\/00003086-200002000-00003"},{"key":"25","doi-asserted-by":"crossref","unstructured":"25. Altaf F, Osei NA, Garrido E, et al. Repair of spondylolysis using compression with a modular link and screws. J Bone Joint Surg Br. 2011;93 (1):73-7.","DOI":"10.1302\/0301-620X.93B1.24732"},{"key":"26","doi-asserted-by":"crossref","unstructured":"26. Park P, Garton HJ, Gala VC, et al. Adjacent segment disease after lumbar or lumbosacral fusion: review of the literature. Spine (Phila Pa 1976). 2004;29 (17):1938-44.","DOI":"10.1097\/01.brs.0000137069.88904.03"},{"key":"27","doi-asserted-by":"crossref","unstructured":"27. Debusscher F, Troussel S. Direct repair of defects in lumbar spondylolysis with a new pedicle screw hook fixation: clinical, functional and Ct-assessed study. Eur Spine J. 2007;16 (10):1650-8.","DOI":"10.1007\/s00586-007-0392-0"},{"key":"28","doi-asserted-by":"crossref","unstructured":"28. Debnath UK, Freeman BJ, Gregory P, et al. Clinical outcome and return to sport after the surgical treatment of spondylolysis in young athletes. J Bone Joint Surg Br. 2003;85 (2):244-9.","DOI":"10.1302\/0301-620X.85B2.13074"},{"key":"29","doi-asserted-by":"crossref","unstructured":"29. Sairyo K, Sakai T, Mase Y, et al. Painful lumbar spondylolysis among pediatric sports players: a pilot MRI study. Arch Orthop Trauma Surg. 2011;131 (11):1485-9.","DOI":"10.1007\/s00402-011-1336-z"}],"container-title":["Spine Surgery and Related Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.jstage.jst.go.jp\/article\/ssrr\/8\/1\/8_2023-0084\/_pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,1,27]],"date-time":"2024-01-27T04:20:38Z","timestamp":1706329238000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.jstage.jst.go.jp\/article\/ssrr\/8\/1\/8_2023-0084\/_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,1,27]]},"references-count":29,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2024]]}},"URL":"https:\/\/doi.org\/10.22603\/ssrr.2023-0084","relation":{},"ISSN":["2432-261X"],"issn-type":[{"value":"2432-261X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,1,27]]},"article-number":"2023-0084"}}