ArticleIEEE transactions on bio-medical engineering2021
Detection of Meniscal Tear Effects on Tibial Vibration Using Passive Knee Sound Measurements.
Article in IEEE transactions on bio-medical engineering, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Validating Joint Acoustic Emissions Models as a Generalizable Predictor of Joint Health.IEEE sensors journal · 2024Article
- Knee acoustic emissions as a noninvasive biomarker of articular health in patients with juvenile idiopathic arthritis: a clinical validation in an extended study population.Pediatric rheumatology online journal · 2023Article
- Dynamics of plosive consonants via imaging, computations, and soft electronics.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- A Feasibility Study on Tribological Origins of Knee Acoustic Emissions.IEEE transactions on bio-medical engineering · 2022Article
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9 authors.
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Abstract
objectiveTo evaluate whether non-invasive knee sound measurements can provide information related to the underlying structural changes in the knee following meniscal tear. These changes are explained using an equivalent vibrational model of the knee-tibia structure.
methodsFirst, we formed an analytical model by modeling the tibia as a cantilever beam with the fixed end being the knee. The knee end was supported by three lumped components with features corresponding with tibial stiffnesses, and meniscal damping effect. Second, we recorded knee sounds from 46 healthy legs and 9 legs with acute meniscal tears (n = 34 subjects). We developed an acoustic event ("click") detection algorithm to find patterns in the recordings, and used the instrumental variable continuous-time transfer function estimation algorithm to model them.
resultsThe knee sound measurements yielded consistently lower fundamental mode decay rate in legs with meniscal tears ( 16 ±13 s SIGNIFICANCE: This combined analytical and experimental method improves our understanding of how vibrations can describe the underlying structural changes in the knee following meniscal tear, and supports their use as a tool for future efforts in non-invasively diagnosing meniscal tear injuries.
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