Ole Reigstad1, Trygve Holm-Glad2, Bjørg Bolstad3, Christian Grimsgaard2, Rasmus Thorkildsen2, Magne Røkkum2. 1. Orthopaedic Department, Hand- and Microsurgical Unit, University Hospital of Oslo, Oslo, Norway. Electronic address: ole.reigstad@gmail.com. 2. Orthopaedic Department, Hand- and Microsurgical Unit, University Hospital of Oslo, Oslo, Norway. 3. Physiotherapy Unit, Department for Clinical Service, University Hospital of Oslo, Oslo, Norway.
Abstract
PURPOSE: The goal of the study was to evaluate the clinical and radiological outcomes of a cementless wrist arthroplasty with minimum 5-year follow-up in nonrheumatoid patients. METHODS: Fifty-seven (40 male) patients with end-stage arthritis changes received an uncemented ball-and-socket total wrist arthroplasty (Motec Wrist). Function was evaluated before surgery and at yearly follow-ups. Visual analog scale at rest and activity, quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH), active range of motion (AROM), and grip-strength were recorded. Standardized radiographs were taken to assess osteolysis, loosening, and subsidence. RESULTS: Fifty-six patients were followed for a mean of 8 years (SD, 2 years). Eight wrists were reoperated with arthrodesis (4) or a new arthroplasty (4) owing to distal component loosening (3), infection (2), pain/fixed malposition (2), or proximal and distal component loosening (1). One radiocarpal dislocation was reduced closed and remained stable. Improved QuickDASH score and visual analog scale pain score both at rest and during activity were found at the last follow-up, as well as increased AROM (97° vs 126°) and grip strength (21 kg vs 24 kg). The radiological follow-up demonstrated loosening in 2 wrists. Thirty-five patients were working at surgery (17 manual labor) and 27 (11 manual labor) at follow-up. The 10-year Kaplan-Meyer survival of the implants was 86% for revision for any cause; 2 additional arthroplasties are loose (but not revised), giving a survival rate of 82% if these are revised prior to 10 years of observation. CONCLUSIONS: An uncemented total wrist arthroplasty can provide long-lasting unrestricted hand function in young and active patients. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV.
PURPOSE: The goal of the study was to evaluate the clinical and radiological outcomes of a cementless wrist arthroplasty with minimum 5-year follow-up in nonrheumatoid patients. METHODS: Fifty-seven (40 male) patients with end-stage arthritis changes received an uncemented ball-and-socket total wrist arthroplasty (Motec Wrist). Function was evaluated before surgery and at yearly follow-ups. Visual analog scale at rest and activity, quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH), active range of motion (AROM), and grip-strength were recorded. Standardized radiographs were taken to assess osteolysis, loosening, and subsidence. RESULTS: Fifty-six patients were followed for a mean of 8 years (SD, 2 years). Eight wrists were reoperated with arthrodesis (4) or a new arthroplasty (4) owing to distal component loosening (3), infection (2), pain/fixed malposition (2), or proximal and distal component loosening (1). One radiocarpal dislocation was reduced closed and remained stable. Improved QuickDASH score and visual analog scale pain score both at rest and during activity were found at the last follow-up, as well as increased AROM (97° vs 126°) and grip strength (21 kg vs 24 kg). The radiological follow-up demonstrated loosening in 2 wrists. Thirty-five patients were working at surgery (17 manual labor) and 27 (11 manual labor) at follow-up. The 10-year Kaplan-Meyer survival of the implants was 86% for revision for any cause; 2 additional arthroplasties are loose (but not revised), giving a survival rate of 82% if these are revised prior to 10 years of observation. CONCLUSIONS: An uncemented total wrist arthroplasty can provide long-lasting unrestricted hand function in young and active patients. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV.
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