Human tissue can survive for specific durations without blood supply
Human tissues and organs can endure a lack of blood supply for specific, measurable durations, which forms the basis of organ preservation and transplantation limits.
The retrieved papers consistently demonstrate that tissues and organs tolerate ischemia for specific time limits (such as hours for hearts or specific warm/cold ischemia times for kidneys) before irreversible damage occurs, supporting the claim.
O. Fabian, Mariia Havova, R. Gebauer, R. Poruban, J. Špatenka, J. Burkert, V. Rohn, V. Chaloupecký, A. Komárek, T. Kala, J. Janoušek. Structural Integrity and Cellular Viability of Cryopreserved Allograft Heart Valves in Right Ventricular Outflow Tract Reconstruction: Correlation of Histopathological Changes with Donor Characteristics and Preservation Times. 2022. https://doi.org/10.21470/1678-9741-2020-0710
Discusses the cold ischemia times and preservation periods during which heart valve allografts maintain structural and cellular viability.
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Herrero-Goñi M, Meñica MA, Santoveña AZ, Perez-Beltran V, Calzada Y, González DC, Sales AA, Blanco OA, Bilbao-Villasante I. Pediatric kidney transplantation using donors after circulatory death: a national experience from Spain.. 2026. https://doi.org/10.1007/s00467-026-07235-4
Notes that donor organs tolerate specific durations of warm and cold ischemia before transplantation.
Hettlich VH, Aubin H, Scherner M, Ramadani B, Lichtenberg A, Boeken U. New Perfusion and Preservation Strategies for Donor Hearts.. 2026. https://doi.org/10.1159/000551946
Indicates that donor hearts have traditional ischemic time limits of approximately 4-5 hours under hypothermic storage.
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