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CASE SERIES

High Complication and Revision Rates in Anatomical Total Shoulder Arthroplasty with the Combination of Polyethylene and Cementless Convertible Metal-Backed Glenoid Components: A Retrospective Cohort Study

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Pages 93-101 | Received 18 Oct 2023, Accepted 08 Feb 2024, Published online: 27 Feb 2024

Figures & data

Figure 1 The following intraoperative pictures of a revision case four years after primary replacement show complete PE wear with metallosis and a defect on the cranial part of the MB component (PE is gone, only the central peg remains in the baseplate).

Figure 1 The following intraoperative pictures of a revision case four years after primary replacement show complete PE wear with metallosis and a defect on the cranial part of the MB component (PE is gone, only the central peg remains in the baseplate).

Figure 2 Metal defect in the cranial part of the baseplate.

Figure 2 Metal defect in the cranial part of the baseplate.

Figure 3 Case example 1: An X-ray series showing preoperative status with osteoarthritis, primary post-operative status with good alignment and space between caput and MB, superior migration indicates PE wear.

Figure 3 Case example 1: An X-ray series showing preoperative status with osteoarthritis, primary post-operative status with good alignment and space between caput and MB, superior migration indicates PE wear.

Figure 4 Status after revision to Univers reverse by Arthrex ().

Figure 4 Status after revision to Univers reverse by Arthrex (Figure 4).

Figure 5 Case example 2: X-ray and computerized tomography (CT) show Walch type C, primary posterior luxation X-ray and correction of retroversion (CT) still posterior luxation.

Figure 5 Case example 2: X-ray and computerized tomography (CT) show Walch type C, primary posterior luxation X-ray and correction of retroversion (CT) still posterior luxation.

Figure 6 The survival rate for Arthrex Eclipse with MB glenoid system.

Figure 6 The survival rate for Arthrex Eclipse with MB glenoid system.

Figure 7 Investigation by registry found 12/30 revisions. Second FU by examination found further three revisions in 14 patient (16 implants), four missing to second FU.

Figure 7 Investigation by registry found 12/30 revisions. Second FU by examination found further three revisions in 14 patient (16 implants), four missing to second FU.

Table 1 Results of Eclipse with Metal-Backed Glenoid System

Table 2 Complications and Revisions Timetable ()