title: Revision shoulder arthroplasty from resurfacing to non-cemented short-stem reverse prosthesis.
abstract: OBJECTIVE
  To assess the surgical parameters and the clinical and radiological outcomes of revisions of resurfacing shoulder arthroplasty to non-cemented short-stem reverse total shoulder arthroplasty.
  
  
  METHODS
  A total of 23 revisions from resurfacing shoulder arthroplasty to reverse total shoulder arthroplasty were performed. The mean age was 70.3±11.95 years. The patients included 82.6% (19/23) revised for cuff failure; 13.04% (3/23) cuff failure and aseptic loosening, and 4.35% (1/23) peri-prosthetic fracture. The need for humeral osteotomy or structural allograft, operation length, blood loss, blood transfusions and intraoperative fractures were recorded. Minimum follow-up 25 months.
  
  
  RESULTS
  No humeral osteotomy or humeral structural allograft was required, and 2/23 (8.69%) required allograft for glenoid reconstruction. The mean operation time was 113.35±21.30minutes. Intra-operative blood loss was 374±245.09 mls. Blood transfusion was required in one case. Intra-operative fracture occurred in 1 case. The Constant score improved from 17.32 to 59.78 (age/sex adjusted, 84). Overall satisfaction improved from 1.37 to 8.04. The range of motion increased 79.57° in forward elevation; 72.88° in abduction; 38.06° in internal rotation; and 13.57° in external rotation. There was no evidence of radiolucency, subsidence, or bone resorption.
  
  
  CONCLUSIONS
  Revisions of resurfacing implants to non-cemented short-stem reverse prosthesis show good clinical and radiological outcomes, with minimal intra-operative complexities.
  
  
  METHODS
  IV, case series.
authors.affiliation: Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, España; Hospital General de Catalunya, Sant Cugat del Vallés, Barcelona, España. Electronic address: luisgerardonaterac@gmail.com.
authors.forename: L
authors.initials: L
authors.lastname: Natera
authors.affiliation: Unidad de Hombro y Extremidad Superior, COT, Hospital San Juan de Dios, Pamplona, Navarra, España; Reading Shoulder Unit, Orthopaedics Department, Berkshire Independent Hospital, Reading, Berkshire, Reino Unido.
authors.forename: J
authors.initials: J
authors.lastname: Bruguera
authors.affiliation: Faculty of Health Sciences, Ben-Gurion University, Barzilai Medical Center Campus, Ashkelon, Israel.
authors.forename: E
authors.initials: E
authors.lastname: Atoun
authors.affiliation: Reading Shoulder Unit, Orthopaedics Department, Berkshire Independent Hospital, Reading, Berkshire, Reino Unido; Reading Shoulder Unit, Orthopaedics Department, Royal Berkshire Hospital, Reading, Berkshire, Reino Unido.
authors.forename: O
authors.initials: O
authors.lastname: Levy
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000072228:Arthroplasty, Replacement, Shoulder / Q000295:instrumentation* / Q000379:methods; D001843:Bone Cements; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D017063:Outcome Assessment, Health Care; D011183:Postoperative Complications / Q000175:diagnosis / Q000453:epidemiology; D012086:Reoperation / Q000295:instrumentation* / Q000379:methods; D012189:Retrospective Studies; D000072227:Shoulder Prosthesis
chemical_list: D001843:Bone Cements
keywords: Artroplastia de revisión; Complicaciones perioperatorias; Perioperative complications; Prótesis de superficie de hombro; Prótesis invertida; Reverse prosthesis; Revision arthroplasty; Shoulder resurfacing