Measuring intra-articular synovial fluid pressure in cadaveric scapholunate joints under radioulnar deviation
| Autor: | Ita Suzana Mat Jais, Duncan Angus McGrouther, Yoke Rung Wong, Alyssa Liyu Toh |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
musculoskeletal diseases
business.industry Pressure data 0206 medical engineering Biomedical Engineering Health Informatics 02 engineering and technology Wrist 020601 biomedical engineering Lunate 03 medical and health sciences 0302 clinical medicine Intra articular medicine.anatomical_structure Signal Processing Medicine Synovial fluid Ulnar deviation business Cadaveric spasm Joint (geology) 030217 neurology & neurosurgery Biomedical engineering |
| Zdroj: | Biomedical Signal Processing and Control. 64:102238 |
| ISSN: | 1746-8094 |
| DOI: | 10.1016/j.bspc.2020.102238 |
| Popis: | Multiple imaging modalities have been used to investigate normal wrist mechanics or detect wrist instabilities. While synovial fluid aspiration and biochemical analysis have also been used to study synovial fluid properties in normal and diseased wrist joints, this study aims to measure dynamic changes in intra-articular synovial fluid pressure of the scapholunate joint during repetitive radioulnar deviation. Cadaveric wrist specimens were mounted onto a custom-made motion simulator and moved at 0.5 Hz, from 20° ulnar deviation to 10° radial deviation and back. With guidance of a mini C-arm, a 25-gauge needle was inserted into the scapholunate joint and 0.5 mL of commercially available synovial fluid was injected into the joint. An external pressure transducer was connected to the needle and five sets of intra-articular synovial fluid pressure data were recorded over a period of 8 s. Periodical changes in intra-articular synovial fluid pressure were observed. The mean synovial fluid pressure changes of 4 specimens were 50.7 ± 9.0 Pa, 8.6 ± 3.7 Pa, 49.2 ± 8.8 Pa and 10.1 ± 2.2 Pa. We believe that the periodical changes in intra-articular synovial fluid pressure could be due to the net flow of synovial fluid and hysteresis effect of the scaphoid and lunate movements during radioulnar deviation. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect