Oral and Intravenous Acetylcysteine for Treatment of Acetaminophen Toxicity: A Systematic Review and Meta-analysis

Introduction: There are few reports summarizing the effectiveness of oral and intravenous (IV) acetylcysteine. We determined the proportion of acetaminophen poisoned patients who develop hepatotoxicity (serum transaminase > 1000 IU/L) when treated with oral and IV acetylcysteine.Methods: Studies...

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Main Authors: Donald Albert, Kate M Reynolds, Kennon J. Heard, Jody L. Green
Format: Article
Language:English
Published: eScholarship Publishing, University of California 2013-05-01
Series:Western Journal of Emergency Medicine
Subjects:
Online Access:http://escholarship.org/uc/item/077534dn#
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author Donald Albert
Kate M Reynolds
Kennon J. Heard
Jody L. Green
author_facet Donald Albert
Kate M Reynolds
Kennon J. Heard
Jody L. Green
author_sort Donald Albert
collection DOAJ
description Introduction: There are few reports summarizing the effectiveness of oral and intravenous (IV) acetylcysteine. We determined the proportion of acetaminophen poisoned patients who develop hepatotoxicity (serum transaminase > 1000 IU/L) when treated with oral and IV acetylcysteine.Methods: Studies were double abstracted by trained researchers. We determined the proportions of patients who developed hepatotoxicity for each route using a random effects model. Studies were further stratified by early and late treatment.Results: We screened 4,416 abstracts; 16 articles, including 5,164 patients, were included in the meta-analysis. The overall rate of hepatotoxicity for the oral and IV routes were 12.6% and 13.2%, respectively. Treatment delays are associated with a higher rate of hepatotoxicity.Conclusion: Studies report similar rates of hepatotoxicity for oral and IV acetylcysteine, but direct comparisons are lacking. While it is difficult to disentangle the effects of dose and duration from route, our findings suggest that the rates of hepatotoxicity are similar for oral and IV administration. [West J Emerg Med. 2013;14(3):218–226.]
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spelling doaj.art-88a92464c3284922b5272497842d57512022-12-22T00:38:43ZengeScholarship Publishing, University of CaliforniaWestern Journal of Emergency Medicine1936-900X1936-90182013-05-0114321822610.5811/westjem.2012.4.6885Oral and Intravenous Acetylcysteine for Treatment of Acetaminophen Toxicity: A Systematic Review and Meta-analysisDonald AlbertKate M ReynoldsKennon J. HeardJody L. GreenIntroduction: There are few reports summarizing the effectiveness of oral and intravenous (IV) acetylcysteine. We determined the proportion of acetaminophen poisoned patients who develop hepatotoxicity (serum transaminase > 1000 IU/L) when treated with oral and IV acetylcysteine.Methods: Studies were double abstracted by trained researchers. We determined the proportions of patients who developed hepatotoxicity for each route using a random effects model. Studies were further stratified by early and late treatment.Results: We screened 4,416 abstracts; 16 articles, including 5,164 patients, were included in the meta-analysis. The overall rate of hepatotoxicity for the oral and IV routes were 12.6% and 13.2%, respectively. Treatment delays are associated with a higher rate of hepatotoxicity.Conclusion: Studies report similar rates of hepatotoxicity for oral and IV acetylcysteine, but direct comparisons are lacking. While it is difficult to disentangle the effects of dose and duration from route, our findings suggest that the rates of hepatotoxicity are similar for oral and IV administration. [West J Emerg Med. 2013;14(3):218–226.]http://escholarship.org/uc/item/077534dn#acetaminophenacetlycysteine
spellingShingle Donald Albert
Kate M Reynolds
Kennon J. Heard
Jody L. Green
Oral and Intravenous Acetylcysteine for Treatment of Acetaminophen Toxicity: A Systematic Review and Meta-analysis
Western Journal of Emergency Medicine
acetaminophen
acetlycysteine
title Oral and Intravenous Acetylcysteine for Treatment of Acetaminophen Toxicity: A Systematic Review and Meta-analysis
title_full Oral and Intravenous Acetylcysteine for Treatment of Acetaminophen Toxicity: A Systematic Review and Meta-analysis
title_fullStr Oral and Intravenous Acetylcysteine for Treatment of Acetaminophen Toxicity: A Systematic Review and Meta-analysis
title_full_unstemmed Oral and Intravenous Acetylcysteine for Treatment of Acetaminophen Toxicity: A Systematic Review and Meta-analysis
title_short Oral and Intravenous Acetylcysteine for Treatment of Acetaminophen Toxicity: A Systematic Review and Meta-analysis
title_sort oral and intravenous acetylcysteine for treatment of acetaminophen toxicity a systematic review and meta analysis
topic acetaminophen
acetlycysteine
url http://escholarship.org/uc/item/077534dn#
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AT katemreynolds oralandintravenousacetylcysteinefortreatmentofacetaminophentoxicityasystematicreviewandmetaanalysis
AT kennonjheard oralandintravenousacetylcysteinefortreatmentofacetaminophentoxicityasystematicreviewandmetaanalysis
AT jodylgreen oralandintravenousacetylcysteinefortreatmentofacetaminophentoxicityasystematicreviewandmetaanalysis