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논문 기본 정보

자료유형
학술저널
저자정보
Martina Todesco (University of Padua Italy) Carlo Zardin (University of Padua Italy) Laura Iop (University of Padova) Tiziana Palmosi (Consorzio per la Ricerca Sanitaria (CORIS)) Pietro Capaldo (Consorzio per la Ricerca Sanitaria (CORIS)) Filippo Romanato (Consorzio per la Ricerca Sanitaria (CORIS)) Gino Gerosa (Consorzio per la Ricerca Sanitaria (CORIS)) Andrea Bagno (Consorzio per la Ricerca Sanitaria (CORIS))
저널정보
한국생체재료학회 생체재료학회지 생체재료학회지 제25권 제3호
발행연도
2021.9
수록면
321 - 332 (12page)
DOI
https://doi.org/10.1186/s40824-021-00227-5

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Background: Due to the shortage of organs’ donors that limits biological heart transplantations, mechanical circulatory supports can be implanted in case of refractory end-stage heart failure to replace partially (Ventricular Assist Device, VAD) or completely (Total Artificial Heart, TAH) the cardiac function. The hemocompatibility of mechanical circulatory supports is a fundamental issue that has not yet been fully matched; it mostly depends on the nature of blood-contacting surfaces. Methods: In order to obtain hemocompatible materials, a pool of hybrid membranes was fabricated by coupling a synthetic polymer (polycarbonate urethane, commercially available in two formulations) with a decellularized biological tissue (porcine pericardium). To test their potential suitability as candidate materials for realizing the blood-contacting surfaces of a novel artificial heart, hybrid membranes have been preliminarily characterized in terms of physicochemical, structural and mechanical properties. Results: Our results ascertained that the hybrid membranes are properly stratified, thus allowing to expose their biological side to blood and their polymeric surface to the actuation system of the intended device. From the biomechanical point of view, the hybrid membranes can withstand deformations up to more than 70 % and stresses up to around 8 MPa. Conclusions: The hybrid membranes are suitable for the construction of the ventricular chambers of innovative mechanical circulatory support devices.

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