What is the primary purpose of intraoperative fluid management?

• A. Increase urine output regardless of perfusion
• B. Lower blood pressure intentionally
• C. Maintain hemodynamic stability and tissue perfusion
• D. Prevent infection at all costs

Answer: (C)

Intraoperative fluid management is all about preserving the heart’s ability to supply blood to the body's tissues. During surgery, anesthesia and the procedure itself can lower venous return, decrease cardiac output, and cause fluid shifts or blood loss. The main aim is to keep the circulating volume enough so the heart can pump effectively and tissues—especially vital organs like the brain and kidneys—remain well perfused.

Urine output is an important monitor of kidney perfusion, but it isn’t the sole objective; chasing higher urine output at the expense of perfusion can worsen tissue oxygen delivery. Deliberate lowering of blood pressure isn’t the goal either; the goal is to maintain a safe hemodynamic state that supports adequate organ perfusion. Preventing infection involves broader measures beyond fluid therapy, such as aseptic technique and antibiotics, not just fluid management.

So the best answer is maintaining hemodynamic stability and tissue perfusion.