ReviewJournal of medical case reports2021
Nonhepatic hyperammonemic encephalopathy complications following bariatric surgery: a case report and review of the literature.
Review in Journal of medical case reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Endoscopic reversal of Roux-en-Y gastric bypass using lumen-apposing metal stent for the treatment of excessive weight loss and hyperammonemic encephalopathy.VideoGIE : an official video journal of the American Society for Gastrointestinal Endoscopy · 2026Article
- Non-hepatic Hyperammonemia Encephalopathy: A Late Complication of Roux-en-Y-Gastric Bypass.Cureus · 2025Article
- Gastric Bypass Associated Hyperammonemia (GaBHA): A Case Study, Scoping Review of the Literature, and Proposed New Pathophysiologic Mechanism.Metabolites · 2025Review
- Hyperammonaemic encephalopathy: a remarkably rare complication after bariatric surgery.Journal of surgical case reports · 2023Article
- Challenges of managing ornithine transcarbamylase deficiency in female heterozygotes.Molecular genetics and metabolism reports · 2022Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundHyperammonemic encephalopathy, a rare but fatal condition, is increasingly being reported as a possible complication of bariatric surgery. Here, we present a case of hyperammonemic encephalopathy, focusing on the clinical presentation, diagnostic measures, and our treatment methods, which resulted in a rare favorable outcome, emphasizing the unique role of renal replacement treatment. We also provide a detailed discussion of the mechanism through which hyperammonemia occurs secondarily to bariatric surgery. CASE PRESENTATION: A 44-year-old Moroccan Jew woman with a history of obesity presented in the hospital with urea cycle disorder that manifested after bariatric surgery. A rapid diagnostic process, together with conservative treatment with lactulose, nutritional supplementation, dietary protein restriction, and ammonia scavengers did not result in adequate improvement. Therefore, hemofiltration was performed, which yielded a favorable outcome.
conclusionsThe case findings indicate an association between hyperammonemic encephalopathy and bariatric surgery, and support early treatment with ammonia scavengers, as currently accepted. Nevertheless, if rapid improvement is not seen, it is advisable to consider hemodialysis or hemofiltration as early invasive strategies.
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