A Recipient and Donor Both Have COVID-19 Disease. Should We Perform a Liver Transplant?

Coronavirus 2019 (COVID-19) is a new infectious disease that continues to spread globally. There is growing concern about donor-induced transmission of Coronavirus 2 (SARS -CoV-2). For liver transplantation, the COVID-19 PCR test is routine, in addition to epidemiological history and clinical and radiological examination 24-48 h before surgery.

3D bioprinting of biomimetic aortic vascular constructs with self-supporting cells.

Cardiovascular diseases are the leading cause of deaths throughout the world. Vascular diseases are mostly treated with autografts and blood vessel transplantations. However, traditional grafting methods have several problems including lack of suitable harvest sites, additional surgical costs for harvesting procedure, pain, infection, lack of donors, and even no substitutes at all.