perfusion

/pə'fju:ʤn/

Thân thiện

A doctor monitors the perfusion of a patient's hand during surgery.

Definition

Noun: 1. The act or process of pumping a liquid, especially blood, through the vessels of an organ or tissue to supply it with oxygen and nutrients. This is the primary medical and biological meaning, referring to the natural circulatory process or a clinical procedure. 2. The state of being permeated or suffused with a fluid. This broader sense describes something being thoroughly soaked or filled with a liquid.

Usage

• The term is most commonly used in medical, biological, and clinical contexts.
• It describes a critical physiological function (e.g., blood perfusion of the heart) or a therapeutic technique (e.g., perfusion of a drug).
• It can be used in a more general, sometimes literary, sense to describe something being drenched or saturated.

Examples

• Medical Context:
  • Adequate perfusion of the brain is essential for life.
  • The surgeon monitored the organ's perfusion during the transplant operation.
  • The drug is delivered via isolated limb perfusion.
• General/Literary Context:
  • The heavy rains led to the perfusion of the soil. (This usage is less common but valid.)

Advanced Usage

• Hypoperfusion: Inadequate blood flow to an organ or part of the body.
  • The patient was in shock, showing signs of systemic hypoperfusion.
• Reperfusion: The restoration of blood flow to an organ or tissue after a period of ischemia (lack of blood flow).
  • The goal of the treatment is to achieve timely reperfusion of the blocked artery.

Variants and Related Words

• Perfuse (verb): To force a fluid to flow or spread over or through something, especially tissue.
  • The heart perfuses the body with blood.
• Perfusate (noun): The fluid used in a perfusion procedure.
• Perfusive (adjective): Having the quality of perfusing; spreading throughout.

Synonyms

• Irrigation (specifically for supplying water to land; in medicine, it can be analogous but is less precise).
• Circulation (specifically for the movement of blood).
• Suffusion (for the general act of overspreading with a fluid or color).
• Saturation (for the state of being thoroughly soaked).

Antonyms

• Ischemia: A deficiency of blood in a part, often due to functional constriction or obstruction of a blood vessel.
• Stasis: A stoppage of flow, as of blood or other body fluid.

Học thuật

Noun

1. pumping a liquid into an organ or tissue (especially by way of blood vessels)