Perfusion is the passage of fluid through the circulatory system or lymphatic system to an organ or a tissue, usually referring to the delivery of blood to a capillary bed in tissue. ... All animal tissues require an adequate blood supply for health and life.

What does perfusion mean?

Perfusion can be defined as the process in which blood is forced to flow through a network of microscopic vessels within biologic tissue, allowing exchange of oxygen and other molecules across semipermeable microvascular walls.

Why is perfusion so important?

Perfusion is the means by which blood provides nutrients and removes cellular waste. Adequate tissue perfusion-when supply meets demand-is necessary to maintain healthy vital tissue. ... Untreated ischemia leads to cellular dysfunction, loss of organ function, and even cellular death i.e., tissue infarction.