{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T09:04:57Z","timestamp":1789981497063,"version":"4.0.1"},"reference-count":29,"publisher":"Springer Science and Business Media LLC","license":[{"start":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T00:00:00Z","timestamp":1789948800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T00:00:00Z","timestamp":1789948800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["International Orthopaedics (SICOT)"],"DOI":"10.1007\/s00264-026-07041-5","type":"journal-article","created":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T08:32:55Z","timestamp":1789979575000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A novel humeral alignment guide for improving stem alignment in reverse shoulder arthroplasty: a retrospective comparative study"],"prefix":"10.1007","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2498-8044","authenticated-orcid":false,"given":"Katsumasa","family":"Nakazawa","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomoya","family":"Manaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoichi","family":"Ito","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4999-2648","authenticated-orcid":false,"given":"Yoshihiro","family":"Hirakawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rei","family":"Nishiura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suguru","family":"Mori","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eriki","family":"Yanagi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9183-3363","authenticated-orcid":false,"given":"Hidetomi","family":"Terai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,9,21]]},"reference":[{"key":"7041_CR1","doi-asserted-by":"publisher","first-page":"1886","DOI":"10.2106\/JBJS.J.01861","volume":"94","author":"DC Ackland","year":"2012","unstructured":"Ackland DC, Richardson M, Pandy MG (2012) Axial rotation moment arms of the shoulder musculature after reverse total shoulder arthroplasty. J Bone Joint Surg Am 94:1886\u20131895. https:\/\/doi.org\/10.2106\/JBJS.J.01861","journal-title":"J Bone Joint Surg Am"},{"key":"7041_CR2","doi-asserted-by":"publisher","first-page":"1221","DOI":"10.2106\/JBJS.I.00001","volume":"92","author":"DC Ackland","year":"2010","unstructured":"Ackland DC, Roshan-Zamir S, Richardson M, Pandy MG (2010) Moment arms of the shoulder musculature after reverse total shoulder arthroplasty. J Bone Joint Surg Am 92:1221\u20131230. https:\/\/doi.org\/10.2106\/JBJS.I.00001","journal-title":"J Bone Joint Surg Am"},{"key":"7041_CR3","doi-asserted-by":"publisher","first-page":"183","DOI":"10.1007\/s00402-020-03424-4","volume":"141","author":"S Abdic","year":"2021","unstructured":"Abdic S, Athwal GS, Wittmann T, Walch G, Raiss P (2021) Short stem humeral components in reverse shoulder arthroplasty: stem alignment influences the neck-shaft angle. Arch Orthop Trauma Surg 141:183\u2013188. https:\/\/doi.org\/10.1007\/s00402-020-03424-4","journal-title":"Arch Orthop Trauma Surg"},{"key":"7041_CR4","doi-asserted-by":"publisher","first-page":"e539","DOI":"10.1016\/S2665-9913(20)30226-5","volume":"2","author":"JP Evans","year":"2020","unstructured":"Evans JP, Evans JT, Craig RS et al (2020) How long does a shoulder replacement last? A systematic review and meta-analysis of case series and national registry reports with more than 10 years of follow-up. Lancet Rheumatol 2:e539\u2013e548. https:\/\/doi.org\/10.1016\/S2665-9913(20)30226-5","journal-title":"Lancet Rheumatol"},{"key":"7041_CR5","doi-asserted-by":"publisher","first-page":"7","DOI":"10.1016\/j.xrrt.2020.11.008","volume":"1","author":"AK Tross","year":"2021","unstructured":"Tross AK, Woolson TE, Nolte PC et al (2021) Primary reverse shoulder replacement with a short stem: a systematic literature review. JSES Rev Rep Tech 1:7\u201316. https:\/\/doi.org\/10.1016\/j.xrrt.2020.11.008","journal-title":"JSES Rev Rep Tech"},{"key":"7041_CR6","doi-asserted-by":"publisher","first-page":"715","DOI":"10.1016\/j.jse.2018.08.037","volume":"28","author":"P Raiss","year":"2019","unstructured":"Raiss P, Schnetzke M, Wittmann T et al (2019) Postoperative radiographic findings of an uncemented convertible short stem for anatomic and reverse shoulder arthroplasty. J Shoulder Elbow Surg 28:715\u2013723. https:\/\/doi.org\/10.1016\/j.jse.2018.08.037","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR7","doi-asserted-by":"publisher","first-page":"1762","DOI":"10.1016\/j.jse.2023.11.024","volume":"33","author":"SH Cho","year":"2024","unstructured":"Cho SH, Park CJ, Kim SJ et al (2024) Varus-valgus alignment of humeral short stem in reverse total shoulder arthroplasty: does it really matter? J Shoulder Elbow Surg 33:1762\u20131770. https:\/\/doi.org\/10.1016\/j.jse.2023.11.024","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR8","doi-asserted-by":"publisher","first-page":"610","DOI":"10.1302\/0301-620X.101B5.BJJ-2018-1374.R1","volume":"101\u2013B","author":"WR Aibinder","year":"2019","unstructured":"Aibinder WR, Bartels DW, Sperling JW, Sanchez-Sotelo J (2019) Mid-term radiological results of a cementless short humeral component in anatomical and reverse shoulder arthroplasty. Bone Joint J 101\u2013B:610\u2013614. https:\/\/doi.org\/10.1302\/0301-620X.101B5.BJJ-2018-1374.R1","journal-title":"Bone Joint J"},{"key":"7041_CR9","doi-asserted-by":"publisher","first-page":"241","DOI":"10.1016\/j.otsr.2019.12.010","volume":"106","author":"A L\u00e4dermann","year":"2020","unstructured":"L\u00e4dermann A, Chiu JCH, Cunningham G et al (2020) Do short stems influence the cervico-diaphyseal angle and the medullary filling after reverse shoulder arthroplasties? Orthop Traumatol Surg Res 106:241\u2013246. https:\/\/doi.org\/10.1016\/j.otsr.2019.12.010","journal-title":"Orthop Traumatol Surg Res"},{"key":"7041_CR10","doi-asserted-by":"publisher","first-page":"119","DOI":"10.1016\/j.jseint.2023.08.015","volume":"8","author":"K Nakazawa","year":"2024","unstructured":"Nakazawa K, Manaka T, Hirakawa Y et al (2024) Bone mineral density around cementless short stems after reverse shoulder arthroplasty: changes over time and its relationship to stem positioning. JSES Int 8:119\u2013125. https:\/\/doi.org\/10.1016\/j.jseint.2023.08.015","journal-title":"JSES Int"},{"key":"7041_CR11","doi-asserted-by":"publisher","first-page":"2763","DOI":"10.3390\/jcm14082763","volume":"14","author":"M Marescalchi","year":"2025","unstructured":"Marescalchi M, El Motassime A, Andriollo L et al (2025) Computer-assisted navigation in shoulder arthroplasty: A narrative review. J Clin Med 14:2763. https:\/\/doi.org\/10.3390\/jcm14082763","journal-title":"J Clin Med"},{"key":"7041_CR12","doi-asserted-by":"publisher","first-page":"1","DOI":"10.2106\/JBJS.RVW.23.00038","volume":"11","author":"A Velasquez Garcia","year":"2023","unstructured":"Velasquez Garcia A, Abdo G, Sanchez-Sotelo J, Morrey ME (2023) The value of computer-assisted navigation for glenoid baseplate implantation in reverse shoulder arthroplasty: a systematic review and meta-analysis. JBJS Rev 11:1\u201312. https:\/\/doi.org\/10.2106\/JBJS.RVW.23.00038","journal-title":"JBJS Rev"},{"key":"7041_CR13","doi-asserted-by":"publisher","first-page":"247154922210754","DOI":"10.1177\/24715492221075449","volume":"6","author":"AA Elsheikh","year":"2022","unstructured":"Elsheikh AA, Galhoum MS, Mokhtar MA et al (2022) Patient-specific instrumentation versus standard surgical instruments in primary reverse total shoulder arthroplasty: A retrospective comparative clinical study. J Shoulder Elb Arthroplast 6:24715492221075450. https:\/\/doi.org\/10.1177\/24715492221075449","journal-title":"J Shoulder Elb Arthroplast"},{"key":"7041_CR14","doi-asserted-by":"publisher","first-page":"472","DOI":"10.1016\/j.jse.2025.06.022","volume":"35","author":"H Kida","year":"2026","unstructured":"Kida H, Momma D, Urita A et al (2026) PSI and navigation system improve consistency of baseplate placement in reverse shoulder arthroplasty regardless of surgical experience. J Shoulder Elbow Surg 35:472\u2013482. https:\/\/doi.org\/10.1016\/j.jse.2025.06.022","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR15","doi-asserted-by":"publisher","first-page":"2022","DOI":"10.1016\/j.jse.2024.12.007","volume":"34","author":"GS Athwal","year":"2025","unstructured":"Athwal GS, Nelson A, Antuna S et al (2025) Glenoid preparation in reverse shoulder arthroplasty: robotic arm\u2013assisted preparation compared to manual preparation and patient-specific guides. J Shoulder Elbow Surg 34:2022\u20132030. https:\/\/doi.org\/10.1016\/j.jse.2024.12.007","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR16","doi-asserted-by":"publisher","first-page":"2469","DOI":"10.1007\/s11999-011-1833-y","volume":"469","author":"L Favard","year":"2011","unstructured":"Favard L, Levigne C, Nerot C et al (2011) Reverse prostheses in arthropathies with cuff tear: Are survivorship and function maintained over time? Clin Orthop Relat Res 469:2469\u20132475. https:\/\/doi.org\/10.1007\/s11999-011-1833-y","journal-title":"Clin Orthop Relat Res"},{"key":"7041_CR17","doi-asserted-by":"publisher","first-page":"1601","DOI":"10.1016\/j.jse.2016.03.010","volume":"25","author":"MJ Bercik","year":"2016","unstructured":"Bercik MJ, Kruse K, Yalizis M et al (2016) A modification to the Walch classification of the glenoid in primary glenohumeral osteoarthritis using three-dimensional imaging. J Shoulder Elbow Surg 25:1601\u20131606. https:\/\/doi.org\/10.1016\/j.jse.2016.03.010","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR18","doi-asserted-by":"publisher","first-page":"293","DOI":"10.1016\/j.otsr.2016.01.005","volume":"102","author":"P Collin","year":"2016","unstructured":"Collin P, Laubster E, Denard PJ, Aku\u00e8 FA, L\u00e4dermann A (2016) The Nice knot as an improvement on current knot options: a mechanical analysis. Orthop Traumatol Surg Res 102:293\u2013296. https:\/\/doi.org\/10.1016\/j.otsr.2016.01.005","journal-title":"Orthop Traumatol Surg Res"},{"key":"7041_CR19","doi-asserted-by":"publisher","first-page":"101404","DOI":"10.1016\/j.jseint.2025.10.006","volume":"10","author":"CR Guy","year":"2025","unstructured":"Guy CR, Moverman MA, Da Silva A et al (2025) Two-year functional and radiographic outcomes of an inlay, metaphyseal-based short humeral stem component in reverse shoulder arthroplasty. JSES Int 10:101404. https:\/\/doi.org\/10.1016\/j.jseint.2025.10.006","journal-title":"JSES Int"},{"key":"7041_CR20","doi-asserted-by":"publisher","DOI":"10.3390\/jcm14207359","volume":"14","author":"S Mori","year":"2025","unstructured":"Mori S, Nakazawa K, Manaka T et al (2025) Factors influencing stem subsidence in 135-degree inlay reverse shoulder arthroplasty. J Clin Med 14:7359. https:\/\/doi.org\/10.3390\/jcm14207359","journal-title":"J Clin Med"},{"key":"7041_CR21","doi-asserted-by":"publisher","first-page":"e968","DOI":"10.5435\/JAAOS-D-21-01032","volume":"30","author":"BJ Erickson","year":"2022","unstructured":"Erickson BJ, Denard PJ, Griffin JW et al (2022) Initial and 1-year radiographic comparison of reverse total shoulder arthroplasty with a short versus standard length stem. J Am Acad Orthop Surg 30:e968\u2013e978. https:\/\/doi.org\/10.5435\/JAAOS-D-21-01032","journal-title":"J Am Acad Orthop Surg"},{"key":"7041_CR22","doi-asserted-by":"publisher","first-page":"1166","DOI":"10.1016\/j.jse.2024.08.022","volume":"34","author":"YJ Lee","year":"2025","unstructured":"Lee YJ, Chang HH, Lim JR, Yoon TH, Chun YM (2025) Humeral stem alignment of curved short stem in reverse shoulder arthroplasty: varus\/valgus alignment is not a determinant for clinical outcomes. J Shoulder Elbow Surg 34:1166\u20131172. https:\/\/doi.org\/10.1016\/j.jse.2024.08.022","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR23","doi-asserted-by":"publisher","first-page":"1726","DOI":"10.1016\/j.jse.2017.03.032","volume":"26","author":"BS Werner","year":"2017","unstructured":"Werner BS, Chaoui J, Walch G (2017) The influence of humeral neck shaft angle and glenoid lateralization on range of motion in reverse shoulder arthroplasty. J Shoulder Elbow Surg 26:1726\u20131731. https:\/\/doi.org\/10.1016\/j.jse.2017.03.032","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR24","doi-asserted-by":"publisher","first-page":"S39","DOI":"10.1016\/j.jse.2022.12.021","volume":"32","author":"G Larose","year":"2023","unstructured":"Larose G, Greene AT, Jung A et al (2023) High intraoperative accuracy and low complication rate of computer-assisted navigation of the glenoid in total shoulder arthroplasty. J Shoulder Elbow Surg 32:S39\u2013S45. https:\/\/doi.org\/10.1016\/j.jse.2022.12.021","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR25","doi-asserted-by":"publisher","first-page":"679","DOI":"10.4055\/cios23407","volume":"16","author":"P Boufadel","year":"2024","unstructured":"Boufadel P, Lopez R, Fares MY et al (2024) Intraoperative navigation in reverse shoulder arthroplasty: advantages and future prospects. Clin Orthop Surg 16:679\u2013687. https:\/\/doi.org\/10.4055\/cios23407","journal-title":"Clin Orthop Surg"},{"key":"7041_CR26","doi-asserted-by":"publisher","first-page":"515","DOI":"10.1016\/j.jse.2009.03.014","volume":"18","author":"J Kircher","year":"2009","unstructured":"Kircher J, Wiedemann M, Magosch P, Lichtenberg S, Habermeyer P (2009) Improved accuracy of glenoid positioning in total shoulder arthroplasty with intraoperative navigation: a prospective-randomized clinical study. J Shoulder Elbow Surg 18:515\u2013520. https:\/\/doi.org\/10.1016\/j.jse.2009.03.014","journal-title":"J Shoulder Elbow Surg"},{"key":"7041_CR27","doi-asserted-by":"publisher","first-page":"1743","DOI":"10.1007\/s00402-015-2318-3","volume":"135","author":"K Matsumoto","year":"2015","unstructured":"Matsumoto K, Mori N, Ogawa H, Akiyama H (2015) Accuracy of a novel extramedullary femoral alignment guide system in primary total knee arthroplasty. Arch Orthop Trauma Surg 135:1743\u20131748. https:\/\/doi.org\/10.1007\/s00402-015-2318-3","journal-title":"Arch Orthop Trauma Surg"},{"key":"7041_CR28","doi-asserted-by":"publisher","first-page":"288","DOI":"10.1016\/j.arth.2013.06.006","volume":"29","author":"D Nam","year":"2014","unstructured":"Nam D, Cody EA, Nguyen JT, Figgie MP, Mayman DJ (2014) Extramedullary guides versus portable, accelerometer-based navigation for tibial alignment in total knee arthroplasty: a randomized, controlled trial: winner of the 2013 HAP PAUL award. J Arthroplasty 29:288\u2013294. https:\/\/doi.org\/10.1016\/j.arth.2013.06.006","journal-title":"J Arthroplasty"},{"key":"7041_CR29","doi-asserted-by":"publisher","first-page":"1052","DOI":"10.1302\/0301-620X.96B8.33747","volume":"96\u2013B","author":"E Thienpont","year":"2014","unstructured":"Thienpont E, Schwab PE, Fennema P (2014) A systematic review and meta-analysis of patient-specific instrumentation for improving alignment of the components in total knee replacement. Bone Joint J 96\u2013B:1052\u20131061. https:\/\/doi.org\/10.1302\/0301-620X.96B8.33747","journal-title":"Bone Joint J"}],"container-title":["International Orthopaedics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00264-026-07041-5.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00264-026-07041-5","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00264-026-07041-5.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T08:32:56Z","timestamp":1789979576000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00264-026-07041-5"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9,21]]},"references-count":29,"alternative-id":["7041"],"URL":"https:\/\/doi.org\/10.1007\/s00264-026-07041-5","relation":{},"ISSN":["0341-2695","1432-5195"],"issn-type":[{"value":"0341-2695","type":"print"},{"value":"1432-5195","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,9,21]]},"assertion":[{"value":"28 April 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"6 July 2026","order":2,"name":"revised","label":"Revised","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"16 September 2026","order":3,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"21 September 2026","order":4,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The authors declare no competing interests.","order":1,"name":"Ethics","label":"Competing interests","group":{"name":"EthicsHeading","label":"Declarations"}}]}}