Article ; Online: Management of Poisonings and Intoxications.
Clinical journal of the American Society of Nephrology : CJASN
2023 Volume 18, Issue 9, Page(s) 1210–1221
Abstract: Poisoning occurs after exposure to any of a number of substances, including medicines, which can result in severe toxicity including death. The nephrologist may be involved in poisonings that cause kidney disease and for targeted treatments. The overall ... ...
| Abstract | Poisoning occurs after exposure to any of a number of substances, including medicines, which can result in severe toxicity including death. The nephrologist may be involved in poisonings that cause kidney disease and for targeted treatments. The overall approach to the poisoned patient involves the initial acute resuscitation and performing a risk assessment, whereby the exposure is considered in terms of the anticipated severity and in the context of the patient's status and treatments that may be required. Time-critical interventions such as gastrointestinal decontamination ( e.g. , activated charcoal) and antidotes are administered when indicated. The nephrologist is usually involved when elimination enhancement techniques are required, such as urine alkalinization or extracorporeal treatments. There is increasing data to guide decision making for the use of extracorporeal treatments in the poisoned patient. Principles to consider are clinical indications such as whether severe toxicity is present, anticipated, and/or will persist and whether the poison will be significantly removed by the extracorporeal treatment. Extracorporeal clearance is maximized for low-molecular weight drugs that are water soluble with minimal protein binding (<80%) and low endogenous clearance and volume of distribution. The dosage of some antidotes ( e.g. , N-acetylcysteine, ethanol, fomepizole) should be increased to maintain therapeutic concentrations once the extracorporeal treatment is initiated. To maximize the effect of an extracorporeal treatment, blood and effluent flows should be optimized, the filter with the largest surface area selected, and duration tailored to remove enough poison to reduce toxicity. Intermittent hemodialysis is recommended in most cases when an extracorporeal treatment is required because it is the most efficient, and continuous kidney replacement therapy is prescribed in some circumstances, particularly if intermittent hemodialysis is not readily available. |
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| MeSH term(s) | Humans ; Antidotes/therapeutic use ; Charcoal/therapeutic use ; Acetylcysteine/therapeutic use ; Ethanol ; Poisons ; Poisoning/diagnosis ; Poisoning/therapy |
| Chemical Substances | Antidotes ; Charcoal (16291-96-6) ; Acetylcysteine (WYQ7N0BPYC) ; Ethanol (3K9958V90M) ; Poisons |
| Language | English |
| Publishing date | 2023-01-13 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 2226665-3 |
| ISSN | 1555-905X ; 1555-9041 |
| ISSN (online) | 1555-905X |
| ISSN | 1555-9041 |
| DOI | 10.2215/CJN.0000000000000057 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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