ArticleShoulder & elbow2022
The subacromial spacer system for irreparable posterosuperior rotator cuff tears: A retrospective study of 47 patients with a two-year follow-up.
Article in Shoulder & elbow, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.
- InSpace Balloon for the Management of Massive Irreparable Rotator Cuff Tears: A Systematic Review and Meta-Analysis.Clinics in orthopedic surgery · 2023Pooled it
- Limited Clinical Benefit of the Subacromial Balloon Spacer in Massive Irreparable Rotator Cuff Tears: A Comprehensive Review of Clinical Outcomes and Cost-Effectiveness.JBJS reviews · 2026Review
- Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Numerous surgical options are available for the management of massive irreparable rotator cuff tears, but there are no current definitive guidelines concerning the optimal treatment modality. The purpose of this study was to evaluate the efficacy and safety of a biodegradable subacromial spacer (InSpace) implantation in patients with irreparable rotator cuff tears. Methods: A retrospective study was conducted involving 47 patients treated with the InSpace balloon between 2016 and 2018. Shoulder function was assessed using Constant Score. Pain was scored using a visual analogue scale, with scores ranging from 0 to 10. Results: At an average follow-up of 24.6 months (range 12-38), the Constant Score had improved from 39.4 to 71.5 points (p < 0.0001). The range of motion, a main component of Constant Score, was improved after two years, from 27.6 to 42.2 points (p < .001). The visual analogue scale score decreased from 6.32 at baseline to a mean score of 2.7 points (p < 0.0001). Discussion: Arthroscopic deployment of the InSpace device was found to be a safe, reliable treatment option in patients with painful irreparable rotator cuff tears, with meaningful improvement in shoulder function without serious complications.
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Registered trials
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