Radiographic results of fully uncemented trabecular metal reverse shoulder system at 1 and 2 years' follow-up

Bogle, Andrew; Budge, Matthew D.; Richman, Adam; Miller, Richard J.; Wiater, J. Michael; Voloshin, Ilya

doi:10.1016/j.jse.2012.08.019

Cited by 49 publications

(19 citation statements)

References 20 publications

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“…The average subsidence of the shaft was 1.4 (SD ± 3.7) mm after a mean of 18 (SD ± 8) months. With the measurement technique according to Bogle et al [ 33 ], it was possible to describe the exact extent of subsidence as demonstrated in our study, and the standardized application will help to compare our results to those of future investigations. A finding of practical note is that true anteroposterior x-ray views are required for the exact measurement of subsidence.…”

Section: Discussionmentioning

confidence: 88%

“…Cortical thickness was measured according to the method of Mather et al [ 32 ]. Subsidence was determined by comparing the distance between the most cephalic aspect of the greater tuberosity with the distal border of the stem according to the method introduced by Bogle et al ( Figure 3 ) [ 33 ] and was empirically defined as an inferior migration of the shaft greater than 5 mm. Radiological results of patients who developed a postoperative complication were reported separately.…”

Section: Methodsmentioning

confidence: 99%

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Subsidence of Uncemented Short Stems in Reverse Shoulder Arthroplasty—A Multicenter Study

Tross

Lädermann

Wittmann³

et al. 2020

JCM

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Background: The radiological phenomenon of subsidence following the implantation of uncemented short-stem reverse prostheses (USSP) has not yet been described. The purpose of this study was to describe the rate and potential risk factors for subsidence. We hypothesized that subsidence may be a frequent finding and that a subsidence of >5 mm (mm) is associated with an inferior clinical outcome. Methods: A total of 139 patients with an average age of 73 ± 9 years were included. The clinical and radiological outcome was evaluated at a minimum follow-up (FU) of 12 months. Results: No humeral component loosening was present at a mean FU of 18 (range, 12–51) months. Mean Constant Score (CS) and Subjective Shoulder Value (SSV) improved significantly from 34.3 ± 18.0 points and 37.0 ± 19.5% preoperatively to 72.2 ± 13.4 points and 80.3 ± 16.5% at final FU (p < 0.001). The average subsidence of the USSP was 1.4 ± 3.7 mm. Subsidence of >5 mm was present in 15 patients (11%). No association between a subsidence >5 mm and CS or SSV was found (p = 0.456, p = 0.527). However, a subsidence of >5 mm resulted in lower strength at final FU (p = 0.022). Complications occurred in six cases (4.2%), and the revision rate was 3.5% (five cases). Conclusions: Although subsidence of USSP is a frequent radiographic finding it is not associated with loosening of the component or a decrease in the clinical outcome at short term FU. Level of evidence: Level 4, retrospective study.

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Section: Discussionmentioning

confidence: 88%

Section: Methodsmentioning

confidence: 99%

Subsidence of Uncemented Short Stems in Reverse Shoulder Arthroplasty—A Multicenter Study

Tross

Lädermann

Wittmann³

et al. 2020

JCM

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“…Scapular notching was evaluated and classified as described by Sirveaux (grade 0 being absence of notching and grade 4 being impending loosening of the glenoid component). 5,12 Radiolucent lines around the humeral component were classified according to their width (≤2 or > 2 mm) and zones involved (7 zones being described for unconstrained stems). [12][13][14][15] Postoperative radiographs at final follow-up from 17 patients were available.…”

Section: Radiographic Analysismentioning

confidence: 99%

Long – Term survivorship and clinical and radiological follow – up of the primary uncemented Delta III reverse shoulder prosthesis

Ochten¹,

Pluijm

Pouw

et al. 2019

Journal of Orthopaedics

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Background: Purpose of this study was to evaluate the longterm 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 followup was obtained. 27 patients were available for followup. 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 VASpain 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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“…Tantalum-backed glenoid components have been used successfully with glenoid baseplate fixation in reverse shoulder arthroplasty 7,8 . In that application, however, the porous tantalum has been applied to a titanium scaffold, which supplies rigidity.…”

Section: Discussionmentioning

confidence: 99%

Early Debris Formation with a Porous Tantalum Glenoid Component

Endrizzi

Mackenzie

Henry³

2016

The Journal of Bone and Joint Surgery

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Radiographic results of fully uncemented trabecular metal reverse shoulder system at 1 and 2 years' follow-up

Cited by 49 publications

References 20 publications

Subsidence of Uncemented Short Stems in Reverse Shoulder Arthroplasty—A Multicenter Study

Subsidence of Uncemented Short Stems in Reverse Shoulder Arthroplasty—A Multicenter Study

Long – Term survivorship and clinical and radiological follow – up of the primary uncemented Delta III reverse shoulder prosthesis

Early Debris Formation with a Porous Tantalum Glenoid Component

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