Physiologic consequences of hepatic lobectomy in man

Area of Science:

• Hepatobiliary surgery
• Surgical outcomes
• Metabolic response to surgery

Background:

• Liver lobectomy can lead to hypoglycemia and hypoalbuminemia in animals.
• Understanding the metabolic and biochemical changes post-hepatectomy in humans is crucial.

Purpose of the Study:

• To investigate the feasibility of preventing hypoglycemia and hypoalbuminemia after hepatic lobectomy in humans.
• To monitor key biochemical markers and physiological responses following liver resection.

Main Methods:

• Ten patients undergoing hepatic lobectomy received glucose and albumin replacement.
• Monitoring of serum glucose, albumin, bilirubin, transaminases, ammonia, bromsulphalein excretion, lactic dehydrogenase, and creatine phosphokinase.
• Assessment of compensatory hyperplasia in the residual liver lobe.

Main Results:

• Glucose and albumin replacement successfully prevented hypoglycemia and hypoalbuminemia.
• Temporary reductions in protein, cholesterol, and prothrombin biosynthesis were observed.
• Elevated serum bilirubin and transaminases were noted in emergency versus elective lobectomy patients.
• Serum ammonia remained normal, and bromsulphalein excretion was unimpaired.
• Increased lactic dehydrogenase and creatine phosphokinase levels were transient.
• Compensatory hyperplasia of the residual liver lobe occurred in all patients.

Conclusions:

• Hepatic lobectomy in humans can be managed to prevent common metabolic complications.
• Biochemical monitoring is essential to track recovery and identify potential issues like sepsis.
• The liver demonstrates significant regenerative capacity following major resection.