Clinical biomechanics (Bristol, Avon) · 2025
Comparison of Thiel-fixed and fresh-frozen temporal bon biomechanics with dynamic synchrotron-based X-ray imaging.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Schmeltz Margaux, Ivanovic Aleksandra, Schlepütz Christian M, Wimmer Wilhelm, Bonnin Anne, Anschuetz Lukas
Аннотация
BACKGROUND: The Thiel embalming method offers lifelike tissue preservation, yet its suitability for biomechanical studies remains debated.
METHODS: Here, we investigated two human temporal bones, one Thiel-fixed and one fresh-frozen, using dynamic synchrotron-based X-ray imaging under acoustic stimulation.
FINDINGS: Both specimens exhibited a linear response at the umbo, but the Thiel-fixed specimen displayed discontinuity after the incudo-malleolar joint, suggesting ossicular chain stiffening. Our findings align well with previous studies indicating potential tissue degradation induced by Thiel-embalming.
INTERPRETATION: These observations question the use of Thiel-fixed human specimens for biomechanical measurements on the middle ear, especially using dynamic synchrotron-based X-ray imaging. They emphasize the need for further assessment of the impact of Thiel-embalming methods on tissue mechanics.
METHODS: Here, we investigated two human temporal bones, one Thiel-fixed and one fresh-frozen, using dynamic synchrotron-based X-ray imaging under acoustic stimulation.
FINDINGS: Both specimens exhibited a linear response at the umbo, but the Thiel-fixed specimen displayed discontinuity after the incudo-malleolar joint, suggesting ossicular chain stiffening. Our findings align well with previous studies indicating potential tissue degradation induced by Thiel-embalming.
INTERPRETATION: These observations question the use of Thiel-fixed human specimens for biomechanical measurements on the middle ear, especially using dynamic synchrotron-based X-ray imaging. They emphasize the need for further assessment of the impact of Thiel-embalming methods on tissue mechanics.