Johannes H M van Ochten1, Marco van der Pluijm2, Martin Pouw2, Quinten T M Felsch3, Petra Heesterbeek4, Maarten J de Vos5. 1. Center for Shoulder and Elbow Surgery, Städtisches Krankenhaus Nettetal, Nettetal, Germany. 2. Department of Orthopedics, Sint Maartenskliniek, Nijmegen, the Netherlands. 3. Department of Orthopedics, Schulthess Klinik, Zurich, Switzerland. 4. Department of Research, Sint Maartenskliniek, Nijmegen, the Netherlands. 5. Department of Orthopedics Tergooiziekenhuizen, Van Riebeeckweg 212, 1213, XZ, Hilversum, the Netherlands.
Abstract
BACKGROUND: Purpose of this study was to evaluate the long - term survivorship and clinical and radiological results of a primary reverse total shoulder arthroplasty (RTSA) performed with uncemented stems. METHODS: From 2001 until 2006 61 primary uncemented RTSAs were implanted, which were included in a Kaplan-Meier survival analysis. Range of motion, functional scores and radiological follow - up was obtained. 27 patients were available for follow - up. Mean follow-up was 9.2 years (SD 2.4). RESULTS: Mean cumulative survival was 82.4% (95% CI: 50.7-94.6%) of the total construct and 98.3% (CI: 88.8-98.8%) of the uncemented humeral stem after 12.5 years. Five revisions occurred (8.2%). Mean anteflexion improved from 69.3 to 111.9° (p < 0.0001), lateral elevation from 65.9 to 101.3° (p < 0.0001), Constant-Murley score from 39.1 to 66.9 (p < 0.0001), Simple Shoulder Test from 1.5 to 7.1 (p < 0.0001), and VAS-pain from 65.5 to 6.6 at final follow-up (p = 0.0003). Scapular notching was present in 94.1% of the patients. CONCLUSIONS: The present study shows that the long-term clinical results of the primary Delta III RTSA seem very encouraging and survivorship of, in particular, its uncemented humeral stem is good.
BACKGROUND: Purpose of this study was to evaluate the long - term survivorship and clinical and radiological results of a primary reverse total shoulder arthroplasty (RTSA) performed with uncemented stems. METHODS: From 2001 until 2006 61 primary uncemented RTSAs were implanted, which were included in a Kaplan-Meier survival analysis. Range of motion, functional scores and radiological follow - up was obtained. 27 patients were available for follow - up. Mean follow-up was 9.2 years (SD 2.4). RESULTS: Mean cumulative survival was 82.4% (95% CI: 50.7-94.6%) of the total construct and 98.3% (CI: 88.8-98.8%) of the uncemented humeral stem after 12.5 years. Five revisions occurred (8.2%). Mean anteflexion improved from 69.3 to 111.9° (p < 0.0001), lateral elevation from 65.9 to 101.3° (p < 0.0001), Constant-Murley score from 39.1 to 66.9 (p < 0.0001), Simple Shoulder Test from 1.5 to 7.1 (p < 0.0001), and VAS-pain from 65.5 to 6.6 at final follow-up (p = 0.0003). Scapular notching was present in 94.1% of the patients. CONCLUSIONS: The present study shows that the long-term clinical results of the primary Delta III RTSA seem very encouraging and survivorship of, in particular, its uncemented humeral stem is good.
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