Giovanni Merolla1, Eric Wagner2, John W Sperling2, Paolo Paladini3, Elisabetta Fabbri4, Giuseppe Porcellini3. 1. Shoulder and Elbow Unit, "D. Cervesi" Hospital, Cattolica-AUSL della Romagna, Ambito Territoriale di Rimini, Italy; "Marco Simoncelli" Biomechanics Laboratory, "D. Cervesi" Hospital, Cattolica-AUSL della Romagna, Ambito Territoriale di Rimini, Italy. Electronic address: giovannimerolla@hotmail.com. 2. Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA. 3. Shoulder and Elbow Unit, "D. Cervesi" Hospital, Cattolica-AUSL della Romagna, Ambito Territoriale di Rimini, Italy. 4. Research and Innovation Department, AUSL della Romagna, Ambito Territoriale di Rimini, Italy.
Abstract
BACKGROUND: There remains a paucity of studies examining the conversion of failed hemiarthroplasty (HA) to reverse total shoulder arthroplasty (RTSA). Therefore, the purpose of this study was to examine a large series of revision HA to RTSA. METHODS: A population of 157 patients who underwent conversion of a failed HA to a revision RTSA from 2006 through 2014 were included. The mean follow-up was 49 months (range, 24-121 months). The indications for revision surgery included instability with rotator cuff insufficiency (n = 127) and glenoid wear (n = 30); instability and glenoid wear were associated in 38 cases. Eight patients with infection underwent 2-stage reimplantation. RESULTS: Patients experienced significant improvements in their preoperative to postoperative pain and shoulder range of motion (P < .0001), with median American Shoulder and Elbow Surgeons and Simple Shoulder Test scores of 60 and 6 points, respectively. There were 11 (7%) repeated revision surgeries, secondary to glenoid component loosening (n = 3), instability (n = 3), humeral component disassembly (n = 2), humeral stem loosening (n = 1), and infection (n = 2). Implant survivorship was 95.5% at 2 years and 93.3% at 5 years. There were 4 reoperations including axillary nerve neurolysis (n = 2), heterotopic ossification removal (n = 1), and hardware removal for rupture of the metal cerclage for an acromial fracture (n = 1). At final follow-up, there were 5 "at-risk" glenoid components. CONCLUSION: Patients experience satisfactory pain relief and recovery of reasonable shoulder function after revision RTSA from a failed HA. There was a relatively low revision rate, with glenoid loosening and instability being the most common causes.
BACKGROUND: There remains a paucity of studies examining the conversion of failed hemiarthroplasty (HA) to reverse total shoulder arthroplasty (RTSA). Therefore, the purpose of this study was to examine a large series of revision HA to RTSA. METHODS: A population of 157 patients who underwent conversion of a failed HA to a revision RTSA from 2006 through 2014 were included. The mean follow-up was 49 months (range, 24-121 months). The indications for revision surgery included instability with rotator cuff insufficiency (n = 127) and glenoid wear (n = 30); instability and glenoid wear were associated in 38 cases. Eight patients with infection underwent 2-stage reimplantation. RESULTS:Patients experienced significant improvements in their preoperative to postoperative pain and shoulder range of motion (P < .0001), with median American Shoulder and Elbow Surgeons and Simple Shoulder Test scores of 60 and 6 points, respectively. There were 11 (7%) repeated revision surgeries, secondary to glenoid component loosening (n = 3), instability (n = 3), humeral component disassembly (n = 2), humeral stem loosening (n = 1), and infection (n = 2). Implant survivorship was 95.5% at 2 years and 93.3% at 5 years. There were 4 reoperations including axillary nerve neurolysis (n = 2), heterotopic ossification removal (n = 1), and hardware removal for rupture of the metal cerclage for an acromial fracture (n = 1). At final follow-up, there were 5 "at-risk" glenoid components. CONCLUSION:Patients experience satisfactory pain relief and recovery of reasonable shoulder function after revision RTSA from a failed HA. There was a relatively low revision rate, with glenoid loosening and instability being the most common causes.
Authors: Jorge Rojas; Filippo Familiari; Amrut U Borade; Jacob Joseph; E Gene Deune; Jack V Ingari; Edward G McFarland Journal: Int Orthop Date: 2019-06-15 Impact factor: 3.075
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Authors: Sarav S Shah; Benjamin T Gaal; Alexander M Roche; Surena Namdari; Brian M Grawe; Macy Lawler; Stewart Dalton; Joseph J King; Joshua Helmkamp; Grant E Garrigues; Thomas W Wright; Bradley S Schoch; Kyle Flik; Randall J Otto; Richard Jones; Andrew Jawa; Peter McCann; Joseph Abboud; Gabe Horneff; Glen Ross; Richard Friedman; Eric T Ricchetti; Douglas Boardman; Robert Z Tashjian; Lawrence V Gulotta Journal: JSES Int Date: 2020-09-07