What is the expected urine output for a postoperative patient to indicate adequate kidney function?

The expected urine output for a postoperative patient that indicates adequate kidney function is at least 30 mL per hour. This threshold is generally accepted as a guideline in clinical practice because it signifies that the kidneys are effectively filtering blood and producing urine, which is crucial for maintaining fluid balance and eliminating waste products.

Urine output of 30 mL per hour equates to approximately 720 mL in a 24-hour period, which is consistent with the requirements of adequate kidney function. Outputs below this level could suggest potential issues such as dehydration, renal impairment, or other complications that may arise post-surgery. Regular monitoring of urine output can help healthcare providers assess a patient's renal status and overall recovery process after surgery.