{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,2]],"date-time":"2026-11-02T23:49:31Z","timestamp":1793663371146,"version":"4.5.1"},"reference-count":55,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"5","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:sec>\n            <jats:title>Objectives:<\/jats:title>\n            <jats:p>To compare outcomes between hemiarthroplasty (HA) and reversed shoulder arthroplasty (RSA) as a treatment for dislocated 3-part and 4-part proximal humerus fractures in the elderly population.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Design:<\/jats:title>\n            <jats:p>Prospective multicenter randomized controlled trial.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Setting:<\/jats:title>\n            <jats:p>Three Level-1 trauma centers.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Patients\/Participants:<\/jats:title>\n            <jats:p>This study included 31 patients of which 14 were randomized into the HA group and 17 into the RSA group.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Intervention:<\/jats:title>\n            <jats:p>Patients randomized to the HA group were treated with a cemented-stem Aequalis-fracture HA and patients randomized to the RSA group with a cemented-stem Aequalis-fracture RSA.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Main Outcome Measurements:<\/jats:title>\n            <jats:p>Primary outcomes consisted of range of motion and constant score. Secondary outcomes were the visual analog scale for pain, DASH score, SF-12 scores, and radiographic outcomes.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>After 6 and 12 months of follow-up, RSA showed a significant higher anterior elevation (105 degrees vs. 80 degrees, <jats:italic toggle=\"yes\">P<\/jats:italic> = 0.002 and 110 degrees vs. 90 degrees, <jats:italic toggle=\"yes\">P<\/jats:italic> = 0.02, respectively) and constant score (60 vs. 41, <jats:italic toggle=\"yes\">P<\/jats:italic> = 0.01 and 51 vs. 32, <jats:italic toggle=\"yes\">P<\/jats:italic> = 0.05, respectively) compared with HA. There were no significant differences in external and internal rotation. Also, visual analog scale pain, DASH scores, SF-12 scores, and radiological healing of the tuberosities and heterotopic ossification did not show any significant differences between groups.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion:<\/jats:title>\n            <jats:p>RSA showed significant superior functional outcomes for anterior elevation and constant score compared with HA for dislocated 3-part and 4-part proximal humerus fractures after short-term follow-up.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Level of Evidence:<\/jats:title>\n            <jats:p>Therapeutic Level II. See Instructions for Authors for a complete description of levels of evidence.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1097\/bot.0000000000001978","type":"journal-article","created":{"date-parts":[[2021,1,20]],"date-time":"2021-01-20T14:56:50Z","timestamp":1611154610000},"page":"252-258","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":39,"title":["Reverse or Hemi Shoulder Arthroplasty in Proximal Humerus Fractures: A Single-Blinded Prospective Multicenter Randomized Clinical Trial"],"prefix":"10.1097","volume":"35","author":[{"given":"Niels","family":"Laas","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Northwest Clinics, Alkmaar, the Netherlands;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yde","family":"Engelsma","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Northwest Clinics, Alkmaar, the Netherlands;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frans J.A.","family":"Hagemans","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Northwest Clinics, Alkmaar, the Netherlands;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Max A.","family":"Hoelen","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Reinier de Graaf Hospital, Delft, the Netherlands; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Derek F.P.","family":"van Deurzen","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Onze Lieve Vrouwe Hospital, Amsterdam, the Netherlands."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bart J.","family":"Burger","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Northwest Clinics, Alkmaar, the Netherlands;"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"R1-20250614","doi-asserted-by":"crossref","first-page":"42","DOI":"10.1016\/j.jse.2007.03.016","article-title":"Proximal humeral fractures: a systematic review of treatment modalities","volume":"17","author":"Lanting","year":"2008","journal-title":"J Shoulder Elb Surg."},{"key":"R2-20250614","doi-asserted-by":"crossref","first-page":"1407","DOI":"10.1302\/0301-620X.90B11.21070","article-title":"Early management of proximal humeral fractures with hemiarthroplasty: a systematic review","volume":"90","author":"Kontakis","year":"2008","journal-title":"J Bone Joint Surg. 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