ArticleClinics in orthopedic surgery2026
Which Injection Is More Effective for Partial-Thickness Rotator Cuff Tear? Atelocollagen Versus Acellular Dermal Matrix.
Article in Clinics in orthopedic surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Backgroud: Collagen-inducing injections are emerging as new treatments for partial-thickness rotator cuff tears (PTRCTs). This study aimed to directly compare the effects of atelocollagen and acellular dermal matrix (ADM) injections on PTRCTs. Methods: Between July 2019 and December 2021, 183 patients with PTRCTs who were treated with ultrasound-guided collagen injections were retrospectively enrolled. Two injections were administered at 3-month intervals at the supraspinatus tear site, and tendon integrity was evaluated 6 months after the first injection using magnetic resonance imaging (MRI). The patients were divided into 2 groups: atelocollagen injection (group 1, n = 49) and ADM injection (group 2, n = 41). Supraspinatus tear size was measured in T2 coronal and sagittal views. Outcomes were categorized into 3 groups by tear size change from initial to final follow-up: improved (< 0-2 mm), no interval change (-2 to 2 mm), and worsened (> 2 mm). Clinical scores and range of motion (ROM) were measured in both groups. Results: The atelocollagen group showed improved outcomes in 34.7% of the patients, whereas 55.1% and 10.2% showed no interval change and worsening in the coronal plane, respectively. The ADM group showed improved outcomes in 48.8% of the patients, whereas 48.8% and 2.4% showed no interval change and worsened results in the coronal plane, respectively. The mean change in tear size was -1.02 ± 2.87 mm for group 1 and -2.31 ± 3.62 mm for group 2 ( Conclusions: Compared with atelocollagen injection, ADM injection resulted in a superior improvement in rotator cuff tendon integrity. However, clinical outcomes were comparable between the groups.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.