eprintid: 24296 rev_number: 10 eprint_status: archive userid: 1589 dir: disk0/00/02/42/96 datestamp: 2018-04-24 09:57:55 lastmod: 2018-04-26 11:31:56 status_changed: 2018-04-24 09:57:55 type: article metadata_visibility: show creators_name: Spranz, David M. creators_name: Bruttel, Hendrik creators_name: Wolf, Sebastian I. creators_name: Zeifang, Felix creators_name: Maier, Michael W. title: Functional midterm follow-up comparison of stemless total shoulder prostheses versus conventional stemmed anatomic shoulder prostheses using a 3D-motion-analysis subjects: 610 divisions: 911460 abstract: Background: The aim of this study is to compare the functional midterm outcome of stemless shoulder prostheses with standard anatomical stemmed shoulder prostheses and to show that the STEMLESS results are comparable to the STEMMED with respect to active maximum range of shoulder motion (ROM) and Constant score (CS). Methods: Seventeen patients underwent total shoulder arthroplasty (TSA) in 25 shoulder joints. Stemless TSA was performed in 12 shoulder joints (group STEMLESS), third-generation stemmed TSA in 13 shoulder joints (group STEMMED). Functional results were documented using the CS. 3D-motion-analysis using the Heidelberg upper extremity model (HUX) was conducted to measure active maximum (ROM). Results: The group STEMLESS achieved a CS of 67.9 (SD 12.0) points and the group STEMMED of 70.2 (SD 5.8 points) without significant difference between the groups (p = 0.925). The maximum ROM of the group STEMLESS, ascertained by 3-D-motion-analysis, was in forward flexion 125.5° (SD 17.2°), in extension 49.4° (SD 13.8°), in abduction 126.2° (SD 28.5°) and in external rotation 40.3° (SD 13.9°). The maximum ROM of the group STEMMED, also ascertained by 3-D-motion analysis, was in forward flexion 135.0° (SD 16.8°), in extension 47.2° (SD 11.5°), in abduction 136.3° (SD 24.2°) and in external rotation 40.1° (SD 12.2°). The maximum ROM of the STEMLESS group was lower in forward flexion and abduction, higher in extension and almost identical in external rotation. But there was no significant difference (forward flexion p = 0.174, extension p = 0.470, abduction p = 0.345, external rotation p = 0.978). Conclusion: Both types of shoulder prostheses achieve a similar and good active ROM and similar results in CS. Trial registration: DRKS00013166, retrospectively registered, 11.10.2017 date: 2017 publisher: BioMed Central id_scheme: DOI id_number: https://doi.org/10.1186/s12891-017-1835-3 ppn_swb: 1655241648 own_urn: urn:nbn:de:bsz:16-heidok-242962 language: eng bibsort: SPRANZDAVIFUNCTIONAL2017 full_text_status: public publication: BMC Musculoskeletal Disorders volume: 18 number: 478 place_of_pub: London pagerange: 1-5 issn: 1471-2474 citation: Spranz, David M. ; Bruttel, Hendrik ; Wolf, Sebastian I. ; Zeifang, Felix ; Maier, Michael W. (2017) Functional midterm follow-up comparison of stemless total shoulder prostheses versus conventional stemmed anatomic shoulder prostheses using a 3D-motion-analysis. BMC Musculoskeletal Disorders, 18 (478). pp. 1-5. ISSN 1471-2474 document_url: https://archiv.ub.uni-heidelberg.de/volltextserver/24296/1/12891_2017_Article_1835.pdf