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Sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose
INTRODUCTION: Though acetaminophen overdoses are common, acetaminophen induced methemoglobinemia is rare and it is thought to be due to oxidative stress from reactive metabolites. However, few prior cases of sulfhemoglobinemia in the setting of acetaminophen overdose have been reported. We report a...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9764203/ https://www.ncbi.nlm.nih.gov/pubmed/36561956 http://dx.doi.org/10.1016/j.toxrep.2022.08.011 |
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author | Seltzer, Justin A. Bubic, Irvan Winkler, Garret A. Friedman, Nathan A. Bagby, Jessica Tomaszewski, Christian A. Clark, Richard F. Kreshak, Allyson Lasoff, Daniel R. |
author_facet | Seltzer, Justin A. Bubic, Irvan Winkler, Garret A. Friedman, Nathan A. Bagby, Jessica Tomaszewski, Christian A. Clark, Richard F. Kreshak, Allyson Lasoff, Daniel R. |
author_sort | Seltzer, Justin A. |
collection | PubMed |
description | INTRODUCTION: Though acetaminophen overdoses are common, acetaminophen induced methemoglobinemia is rare and it is thought to be due to oxidative stress from reactive metabolites. However, few prior cases of sulfhemoglobinemia in the setting of acetaminophen overdose have been reported. We report a case of mixed methemoglobinemia and sulfhemoglobinemia in the setting of a large, isolated acetaminophen ingestion. CASE REPORT: A 30-year-old African American male presented after intentionally ingesting 50 tablets of 500 mg acetaminophen two days prior. He was cyanotic and tachypneic. Peripheral oxygen saturation was 78 % on room air and minimally improved with high-flow oxygen. He was noted to have leukocytosis, thrombocytopenia, anion gap metabolic acidosis with lactic acidemia, acute kidney injury, transaminitis, hyperbilirubinemia, and coagulopathy. Arterial partial pressure of oxygen was normal. Methemoglobin and sulfhemoglobin concentrations were 8.5 % and 5.2 %, respectively. Along with intravenous N-acetylcysteine, methylene blue was administered without clinical improvement. Hemolytic anemia was subsequently noted. Glucose-6- phosphate dehydrogenase (G6PD) deficiency was then confirmed with a quantitative assay and genetic testing. He also received one dose of intravenous metoclopramide. The patient ultimately required eight units of packed red blood cells and several weeks of hemodialysis before discharge on hospital day 43. DISCUSSION: Acetaminophen is structurally related to compounds known to cause methemoglobinemia and sulfhemoglobinemia. We hypothesize that these dyshemoglobinemias were triggered by acetaminophen-induced oxidative stress. The role of G6PD deficiency in the formation of sulfhemoglobinemia is unclear. Acetaminophen overdoses presenting with methemoglobinemia should prompt concern for underlying G6PD deficiency. Coincidental sulfhemoglobinemia should be considered if the clinical presentation is more severe than the methemoglobin concentration alone would suggest. Use of methylene blue in this case, despite the low measured methemoglobin percentage, which likely triggered hemolytic anemia; methylene blue use in a similar circumstance should be weighed carefully against the risk of harm |
format | Online Article Text |
id | pubmed-9764203 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Elsevier |
record_format | MEDLINE/PubMed |
spelling | pubmed-97642032022-12-21 Sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose Seltzer, Justin A. Bubic, Irvan Winkler, Garret A. Friedman, Nathan A. Bagby, Jessica Tomaszewski, Christian A. Clark, Richard F. Kreshak, Allyson Lasoff, Daniel R. Toxicol Rep Regular Article INTRODUCTION: Though acetaminophen overdoses are common, acetaminophen induced methemoglobinemia is rare and it is thought to be due to oxidative stress from reactive metabolites. However, few prior cases of sulfhemoglobinemia in the setting of acetaminophen overdose have been reported. We report a case of mixed methemoglobinemia and sulfhemoglobinemia in the setting of a large, isolated acetaminophen ingestion. CASE REPORT: A 30-year-old African American male presented after intentionally ingesting 50 tablets of 500 mg acetaminophen two days prior. He was cyanotic and tachypneic. Peripheral oxygen saturation was 78 % on room air and minimally improved with high-flow oxygen. He was noted to have leukocytosis, thrombocytopenia, anion gap metabolic acidosis with lactic acidemia, acute kidney injury, transaminitis, hyperbilirubinemia, and coagulopathy. Arterial partial pressure of oxygen was normal. Methemoglobin and sulfhemoglobin concentrations were 8.5 % and 5.2 %, respectively. Along with intravenous N-acetylcysteine, methylene blue was administered without clinical improvement. Hemolytic anemia was subsequently noted. Glucose-6- phosphate dehydrogenase (G6PD) deficiency was then confirmed with a quantitative assay and genetic testing. He also received one dose of intravenous metoclopramide. The patient ultimately required eight units of packed red blood cells and several weeks of hemodialysis before discharge on hospital day 43. DISCUSSION: Acetaminophen is structurally related to compounds known to cause methemoglobinemia and sulfhemoglobinemia. We hypothesize that these dyshemoglobinemias were triggered by acetaminophen-induced oxidative stress. The role of G6PD deficiency in the formation of sulfhemoglobinemia is unclear. Acetaminophen overdoses presenting with methemoglobinemia should prompt concern for underlying G6PD deficiency. Coincidental sulfhemoglobinemia should be considered if the clinical presentation is more severe than the methemoglobin concentration alone would suggest. Use of methylene blue in this case, despite the low measured methemoglobin percentage, which likely triggered hemolytic anemia; methylene blue use in a similar circumstance should be weighed carefully against the risk of harm Elsevier 2022-09-06 /pmc/articles/PMC9764203/ /pubmed/36561956 http://dx.doi.org/10.1016/j.toxrep.2022.08.011 Text en © 2022 The Authors https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Regular Article Seltzer, Justin A. Bubic, Irvan Winkler, Garret A. Friedman, Nathan A. Bagby, Jessica Tomaszewski, Christian A. Clark, Richard F. Kreshak, Allyson Lasoff, Daniel R. Sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose |
title | Sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose |
title_full | Sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose |
title_fullStr | Sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose |
title_full_unstemmed | Sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose |
title_short | Sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose |
title_sort | sulfhemoglobinemia and methemoglobinemia following acetaminophen overdose |
topic | Regular Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9764203/ https://www.ncbi.nlm.nih.gov/pubmed/36561956 http://dx.doi.org/10.1016/j.toxrep.2022.08.011 |
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