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Abstract
Essence
Semaglutide may expose severe nutritional risk in some patients after .
Evidence
This single case report describes a post-Roux-en-Y gastric bypass patient who developed life-threatening malnutrition, micronutrient deficiencies, and acute liver injury after semaglutide initiation, requiring ICU care, parenteral nutrition, and endoscopic bypass reversal.
Caveat
A single case can flag a plausible safety concern but cannot estimate frequency, prove causality, or define which postbariatric patients are at highest risk.
Simplified
GLP-1 Therapies