WCN25-1764 RETROSPECTIVE ANALYSIS OF A TUNNELED CUFFED CATHETER INSERTION PROGRAM INITIATED BY A NEPHROLOGIST

gradually improved over a period of next 2-3 days.The methemoglobinemia gradually resolved, and her oxygen requirements decreased.Conclusions: Methemoglobinemia may present in patients with G6PD deficiency and severe hemolysis and treating it with methylene blue may be detrimental.Search and treatment for the root cause is mandatory.It is usually diagnosed in childhood, but here we describe a first presentation of G6PD deficiency in an elderly patient.The case presented herein has many unusual features.First, it is a late presentation of G6PD deficiency.Second, the factor triggering such hemolysis is suspected to be inadequate clearance of chloramine from dialysis water considering the timing of hemolytic crisis immediately post dialysis.I have no potential conflict of interest to disclose.I did not use generative AI and AI-assisted technologies in the writing process.