{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T18:15:46Z","timestamp":1783016146618,"version":"3.54.6"},"reference-count":34,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T00:00:00Z","timestamp":1780617600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T00:00:00Z","timestamp":1780617600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Shaft\u2010anchored prostheses have long been the gold standard in shoulder arthroplasty, but there is a growing trend toward bone\u2010preserving, stemless designs. Despite promising short\u2010 and midterm results, long\u2010term data remain limited. This study aims to report the long\u2010term outcomes of a stemless anatomic shoulder prosthesis in patients with primary osteoarthritis and seeks to answer the question of whether it is comparable to other prostheses.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      This retrospective single\u2010center study included 27 shoulders in 24 patients (mean age 75\u2009\u00b1\u20098.3\u2009years), who were operated from 2009 to 2011. Outcomes assessed were Constant\u2010Murley score, range of motion, patient satisfaction, revision rate, and radiological findings. Mean follow\u2010up was 142\u2009\u00b1\u200912.2\u2009months. Twenty\u2010one shoulders underwent total shoulder arthroplasty; six hemiarthroplasty. For the analysis of continuous variables, the Wilcoxon test was used following normality testing. Dichotomous variables were evaluated using the chi\n                      <jats:sup>2<\/jats:sup>\n                      test, with a significance level set at\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The Constant\u2010Murley score improved significantly from 23.1\u2009\u00b1\u20099.4 (27.5% age\u2010adjusted) preoperatively to 58.8\u2009\u00b1\u200918.6 (72.3% age\u2010adjusted) postoperatively (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). Range of motion increased in flexion (89.5\u00b0\u2013137.2\u00b0), abduction (70.9\u00b0\u2013117.2\u00b0), and external rotation (10\u00b0\u201336.8\u00b0), all statistically significant. Overall, 85% of patients were (very) satisfied. Four revisions were performed: two with conversion to alternative treatment, two within the same system due to loosening and infection. Ten\u2010 and 12\u2010year survival rates were 89% and 85%, respectively. A 30% risk of loosening was observed (per Mol\u00e9), though no glenoid loosening occurred; humeral loosening was seen in one case.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The clinical, functional, and radiological outcomes of the investigated stemless shoulder arthroplasty system remain satisfactory even in long\u2010term follow\u2010up. High patient satisfaction was observed. The data, which are unique in terms of the length of follow\u2010up, are comparable to those of other stemless anatomic shoulder arthroplasty designs.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/os.70356","type":"journal-article","created":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T03:54:16Z","timestamp":1780718056000},"page":"1398-1405","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Long\u2010Term Results of Anatomic Stemless Shoulder Prosthesis in Patients With Primary Osteoarthritis"],"prefix":"10.1111","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1632-0941","authenticated-orcid":false,"given":"Kevin","family":"Knappe","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Heidelberg University Hospital  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Franziska","family":"Becker","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Heidelberg University Hospital  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raphael","family":"Trefzer","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Heidelberg University Hospital  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mustafa","family":"Hariri","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Heidelberg University Hospital  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna\u2010Katharina","family":"Nolte","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Heidelberg University Hospital  Heidelberg Germany"},{"name":"Department of Traumatology, Hand Surgery and Sports Medicine ViDia Clinics  Karlsruhe Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"B\u00fclhoff","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Heidelberg University Hospital  Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,6,5]]},"reference":[{"key":"e_1_2_13_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/21514593211059865"},{"key":"e_1_2_13_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jseint.2021.07.013"},{"issue":"3","key":"e_1_2_13_4_1","first-page":"594","article-title":"Periprosthetic Humeral Fractures During Shoulder Arthroplasty","volume":"91","author":"Athwal G. S.","year":"2009","journal-title":"Journal of Bone and Joint Surgery. American Volume"},{"key":"e_1_2_13_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-015-2972-7"},{"key":"e_1_2_13_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2014.05.005"},{"key":"e_1_2_13_7_1","doi-asserted-by":"publisher","DOI":"10.3390\/jcm13133813"},{"key":"e_1_2_13_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-009-0780-7"},{"key":"e_1_2_13_9_1","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000023989"},{"key":"e_1_2_13_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10195-012-0216-9"},{"key":"e_1_2_13_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2019.12.022"},{"key":"e_1_2_13_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2019.07.034"},{"issue":"23","key":"e_1_2_13_13_1","article-title":"Results of Cemented Total Shoulder Replacement With a Minimum Follow\u2010Up of Ten Years","volume":"94","author":"Raiss P.","year":"2012","journal-title":"TheJournal of Bone and Joint Surgery. American Volume"},{"key":"e_1_2_13_14_1","doi-asserted-by":"publisher","DOI":"10.1177\/2325967120950307"},{"key":"e_1_2_13_15_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12306-017-0467-y"},{"key":"e_1_2_13_16_1","first-page":"377","article-title":"Stemless Shoulder Arthroplasty","volume":"71","author":"Nourissat G.","year":"2022","journal-title":"Instructional Course Lectures"},{"issue":"4","key":"e_1_2_13_17_1","first-page":"37042","article-title":"Short\u2010Term Results of a New Anatomic Stemless Shoulder Arthroplasty \u2010 A Prospective Multicentre Study","volume":"14","author":"Smith T.","year":"2022","journal-title":"Orthopedic Reviews"},{"key":"e_1_2_13_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2022.08.003"},{"key":"e_1_2_13_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2024.04.013"},{"key":"e_1_2_13_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2020.12.006"},{"key":"e_1_2_13_21_1","doi-asserted-by":"publisher","DOI":"10.1097\/BTH.0b013e3181e397c5"},{"key":"e_1_2_13_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.aott.2019.03.011"},{"issue":"5","key":"e_1_2_13_23_1","first-page":"397","article-title":"Development of a Questionnaire Based on the Constant\u2010Murley\u2010Score for Self\u2010Evaluation of Shoulder Function by Patients","volume":"107","author":"Boehm D.","year":"2004","journal-title":"Der Unfallchirurg"},{"key":"e_1_2_13_24_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-011-1368-4"},{"key":"e_1_2_13_25_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-58365-0_16"},{"key":"e_1_2_13_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0883-5403(99)90232-2"},{"key":"e_1_2_13_27_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2009.12.009"},{"key":"e_1_2_13_28_1","doi-asserted-by":"publisher","DOI":"10.1055\/a-1079-6549"},{"key":"e_1_2_13_29_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2015.02.023"},{"key":"e_1_2_13_30_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2017.02.017"},{"key":"e_1_2_13_31_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2020.09.034"},{"key":"e_1_2_13_32_1","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.103B7.BJJ-2020-0915.R3"},{"key":"e_1_2_13_33_1","doi-asserted-by":"publisher","DOI":"10.1177\/17585732211058804"},{"key":"e_1_2_13_34_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jseint.2022.12.020"},{"key":"e_1_2_13_35_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12891-015-0723-y"}],"container-title":["Orthopaedic Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/os.70356","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1111\/os.70356","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/os.70356","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T17:17:11Z","timestamp":1783012631000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/os.70356"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,6,5]]},"references-count":34,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2026,7]]}},"alternative-id":["10.1111\/os.70356"],"URL":"https:\/\/doi.org\/10.1111\/os.70356","archive":["Portico"],"relation":{},"ISSN":["1757-7853","1757-7861"],"issn-type":[{"value":"1757-7853","type":"print"},{"value":"1757-7861","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,6,5]]},"assertion":[{"value":"2025-10-21","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-05-22","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-06-05","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}