Unmasking Hyperammonemia: Psychomotor Slowing as a Diagnostic Trigger During PEG and Enteral Nutrition.
Xiaoyi Zhao, Yue Shen, Qiang Zhan
✦ AI-curated · Sources linked
Case in brief
A 63-year-old woman experienced severe hyperammonemia and psychomotor slowing after undergoing percutaneous endoscopic gastrostomy (PEG) and continuous enteral nutrition for anxiety-related feeding difficulties. Despite normal neuroimaging, her plasma ammonia levels reached 117.6 μmol/L. The condition was resolved by removing the PEG and switching to a semi-liquid oral diet, which normalized her ammonia levels and cognitive function.
Diagnostic / clinical pearl
Clinicians should consider unexplained psychomotor slowing as a potential indicator of hyperammonemia in patients receiving long-term enteral nutrition, prompting timely evaluation and intervention.
Why it matters
This case underscores the importance of monitoring for metabolic complications in patients on enteral feeding, particularly those with underlying vulnerabilities.