Article ; Online: Magnetic resonance arthrography in patients with multidirectional instability: could inferior capsulsar width be considered the cornerstone in the diagnosis of non-traumatic shoulder instability?
2022 Volume 51, Issue 12, Page(s) 2299–2305
Abstract: Objectives: To provide quantitative anatomical parameters in patients with and without non-traumatic multidirectional instability using MR arthrography (MR-a).: Materials and methods: One hundred and seventy-six MR-a performed from January 2020 to ... ...
| Abstract | Objectives: To provide quantitative anatomical parameters in patients with and without non-traumatic multidirectional instability using MR arthrography (MR-a). Materials and methods: One hundred and seventy-six MR-a performed from January 2020 to March 2021 were retrospectively evaluated. Patients were divided according to the presence of clinically diagnosed multidirectional shoulder instability (MDI). Each MR-a was performed immediately after intra-articular injection of 20 ml of gadolinium using the anterior approach. The width of the axillary recess, the width of the rotator interval, and the circumference of the glenoid were measured by three independent radiologists, choosing the average value of the measurements. The difference between the mean values of each of the three parameters between the two study groups was then assessed. Results: Thirty-seven patients were included in the study (20 in the MDI group, 17 in the control group). The mean axillary recess width in the MDI group was significantly greater than in the control group (t(33) = 3.15, p = .003); rotator interval width and glenoid circumference measurements were not significantly different (t(35) = 1.75, p = .08 and t(30) = 0,51, p = .6, respectively). Conclusions: Inferior capsular redundancy may be an important predisposing factor in MDI, while glenoid circumference is not related to MDI. The relationship between the width of the rotator interval and shoulder instability remains debated. |
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| MeSH term(s) | Arthrography ; Gadolinium ; Humans ; Joint Instability/diagnostic imaging ; Joint Instability/pathology ; Magnetic Resonance Imaging ; Magnetic Resonance Spectroscopy ; Retrospective Studies ; Shoulder/diagnostic imaging ; Shoulder Joint/diagnostic imaging ; Shoulder Joint/pathology |
| Chemical Substances | Gadolinium (AU0V1LM3JT) |
| Language | English |
| Publishing date | 2022-06-30 |
| Publishing country | Germany |
| Document type | Journal Article |
| ZDB-ID | 527592-1 |
| ISSN | 1432-2161 ; 0364-2348 |
| ISSN (online) | 1432-2161 |
| ISSN | 0364-2348 |
| DOI | 10.1007/s00256-022-04090-w |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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