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Background <p>This article presents an analysis of the location and extent of indication-dependent lateralization in reverse shoulder arthroplasty (RSA) among shoulder and elbow surgeons in German-speaking countries (D-A-C-H).</p> Methods <p>During the period from 18&#xa0;July&#xa0;2024 to 15&#xa0;October&#xa0;2024, data were collected by means of an online survey among members of the <i>D‑A-C‑H Vereinigung für Schulter- und Ellenbogenchirurgie e.</i> <i>V.</i> (DVSE), who were contacted via an email distribution list. Members were asked how the glenohumeral joint is reconstructed in RSA and whether differences are made between the treatment of osteoarthritis, rotator cuff arthropathy, and glenoid or humeral head fractures.</p> Results <p>Of 186&#xa0;questionnaires, 127&#xa0;could be used. The data obtained were statistically processed and analyzed. Of the participants, 49.61% (63&#xa0;of 127) stated that they generally lateralize in RSA. The values for lateralization ranged between 1&#xa0;and 11 mm, with median 3.67 mm (2.72–5.00 mm). The most common underlying indication is osteoarthritis (85.71%; 54&#xa0;of 63&#xa0;participants). For cuff arthropathy, 68.25% (43&#xa0;of 63&#xa0;participants) lateralize, and for glenoid/humeral head fractures, 42.86% (27&#xa0;of 63&#xa0;participants) lateralize (multiple answers possible). For both osteoarthrosis (46.30%; 25&#xa0;of 54&#xa0;participants) and cuff arthropathy (55.81%; 24&#xa0;of 43&#xa0;participants), surgeons prefer lateralization using a&#xa0;metal base plate. In glenoid/humeral head fractures, lateralization is most frequently performed via the glenosphere (55.56%; 15&#xa0;von 27&#xa0;participants). In osteoarthritis, the median lateralization is 4.00 mm (2.63–5.00 mm), in cuff arthropathy 3.67 mm (3.00–5.00 mm), and in glenoid/humeral head fracture 3.00 mm (2.0–4.0 mm).</p> Conclusion <p>There is currently no consensus on the extent and location of lateralization (humerus, glenoid, or both), which is confirmed by this survey. About half of the participants use lateralization. With higher case numbers per surgeon, lateralization is significantly more common. Lateralization is most common in osteoarthritis, followed by cuff arthropathy and fracture situations.</p>

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Aktueller Stand der Lateralisation in der inversen Schulterendoprothetik im deutschsprachigen Raum

  • 期刊论文

  • 发表日期：

    2025年11月12日

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  • Malte Ohlmeier,
  • Adrian Schlichter,
  • Orla Klatte,
  • Malte Holschen,
  • Johannes Graf,
  • Richard Stange,
  • Dominik Seiß

摘要

Background

This article presents an analysis of the location and extent of indication-dependent lateralization in reverse shoulder arthroplasty (RSA) among shoulder and elbow surgeons in German-speaking countries (D-A-C-H).

Methods

During the period from 18 July 2024 to 15 October 2024, data were collected by means of an online survey among members of the D‑A-C‑H Vereinigung für Schulter- und Ellenbogenchirurgie e. V. (DVSE), who were contacted via an email distribution list. Members were asked how the glenohumeral joint is reconstructed in RSA and whether differences are made between the treatment of osteoarthritis, rotator cuff arthropathy, and glenoid or humeral head fractures.

Results

Of 186 questionnaires, 127 could be used. The data obtained were statistically processed and analyzed. Of the participants, 49.61% (63 of 127) stated that they generally lateralize in RSA. The values for lateralization ranged between 1 and 11 mm, with median 3.67 mm (2.72–5.00 mm). The most common underlying indication is osteoarthritis (85.71%; 54 of 63 participants). For cuff arthropathy, 68.25% (43 of 63 participants) lateralize, and for glenoid/humeral head fractures, 42.86% (27 of 63 participants) lateralize (multiple answers possible). For both osteoarthrosis (46.30%; 25 of 54 participants) and cuff arthropathy (55.81%; 24 of 43 participants), surgeons prefer lateralization using a metal base plate. In glenoid/humeral head fractures, lateralization is most frequently performed via the glenosphere (55.56%; 15 von 27 participants). In osteoarthritis, the median lateralization is 4.00 mm (2.63–5.00 mm), in cuff arthropathy 3.67 mm (3.00–5.00 mm), and in glenoid/humeral head fracture 3.00 mm (2.0–4.0 mm).

Conclusion

There is currently no consensus on the extent and location of lateralization (humerus, glenoid, or both), which is confirmed by this survey. About half of the participants use lateralization. With higher case numbers per surgeon, lateralization is significantly more common. Lateralization is most common in osteoarthritis, followed by cuff arthropathy and fracture situations.