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Updated: Feb 10, 2026

Direct Drug Delivery to Kidney via the Renal Artery
Published on: April 17, 2021
Renal complications in anorexia nervosa.
Chantal Stheneur1, Sebastien Bergeron, Anne-Laure Lapeyraque
1Pediatrics Department, Adolescent Medicine Section, Sainte-Justine Hospital, 3175 Côte-Sainte-Catherine Road, Montreal, QC, H3T 1C5, Canada, chantal.stheneur.hsj@ssss.gouv.qc.ca.
Anorexia nervosa can cause significant kidney problems, including electrolyte imbalances and impaired kidney function. Regular monitoring of renal health is crucial for individuals with long-term eating disorders.
Area of Science:
- Nephrology
- Endocrinology
- Psychiatry
Background:
- Anorexia nervosa (AN) is associated with severe physiological consequences.
- Renal effects of AN are under-investigated despite potential long-term impacts.
Purpose of the Study:
- To review the literature on the renal impacts of anorexia nervosa.
- To highlight the importance of renal function assessment in AN patients.
Main Methods:
- A comprehensive literature review was conducted.
- Electronic databases and manual searches identified relevant articles on AN and renal effects.
Main Results:
- Renal failure is documented in malnourished patients; optimal assessment of glomerular filtration rate requires further study.
- Osmolar regulation is significantly disrupted due to hypothalamic dysfunction, renal insufficiency, and psychotropic medication use.
- Common findings include electrolyte imbalances (hypokalemia, hyponatremia, hypomagnesemia, hypophosphatemia), urinary urgency, nocturnal enuresis, and urinary lithiases.
Conclusions:
- Renal function investigation and monitoring are essential for patients with eating disorders.
- Long-term AN necessitates vigilant follow-up of kidney health.
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