Honors College Thesis
 

Post-Preservation Maintenance of Cadavers to Prevent Tissue-Dehydration in Educational Environments

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https://ir.library.oregonstate.edu/concern/honors_college_theses/hh63t372k

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  • In anatomical education, clinicians, surgeons, and anatomists support the use of human cadavers over digital or artificial alternatives. Cadaver use raises the challenge of preventing tissue dehydration. The OSU cadaver labs attempt to maintain hydration by re-covering the exposed tissues with original skin, layers of plastic wrap, and/or towels and shrouds soaked in a wetting solution. It was hypothesized that an artificial material will maintain tissue hydration levels more effectively than the current methods deployed in the OSU labs. Candidate tissue coverings were selected based on their material properties and relative costs. Punch biopsies of skeletal muscles were subjected to different coverings, and half were soaked in the wetting solution. Changes in tissue masses over time were recorded and presented as dehydration trends. It was found that skin is the most effective covering to prevent tissue dehydration, followed by plastic wrap and nitrile rubber. Respective donor skin should directly cover the cadaver tissues during storage hours. Alternatively, a combination of plastic wrap and nitrile rubber coverings can prevent dehydration. In both cases, wetting solution should be applied to the tissues, and a shroud or black plastic cover should be placed over the cadaver to maintain donor dignity.
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