Journal of Medical Toxicology最新文献

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Induction of Labor at Term for Severe Antenatal Lead Poisoning. 严重产前铅中毒足月引产。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-06-26 DOI: 10.1007/s13181-023-00955-1
Sanjay Mohan, Sarah Mahonski, Christian Koziatek, Emily T Cohen, Silas Smith, Mark K Su
{"title":"Induction of Labor at Term for Severe Antenatal Lead Poisoning.","authors":"Sanjay Mohan, Sarah Mahonski, Christian Koziatek, Emily T Cohen, Silas Smith, Mark K Su","doi":"10.1007/s13181-023-00955-1","DOIUrl":"10.1007/s13181-023-00955-1","url":null,"abstract":"<p><strong>Introduction: </strong>Antenatal lead exposure is associated with multiple adverse maternal and fetal consequences. Maternal blood lead concentrations as low as 10 µg/dL have been associated with gestational hypertension, spontaneous abortion, growth retardation, and impaired neurobehavioral development. Current treatment recommendations for pregnant women with a blood lead level (BLL) ≥ 45 µg/dL include chelation. We report a successful case of a mother with severe gestational lead poisoning treated with induction of labor in a term infant.</p><p><strong>Case report: </strong>A 22-year-old G2P1001 female, at 38 weeks and 5 days gestation, was referred to the emergency department for an outpatient venous BLL of 53 µg/dL. The decision was made to limit ongoing prenatal lead exposure by emergent induction as opposed to chelation. Maternal BLL just prior to induction increased to 70 µg/dL. A 3510 g infant was delivered with APGAR scores of 9 and 9 at 1 and 5 min. Cord BLL at delivery returned at 41 µg/dL. The mother was instructed to avoid breastfeeding until her BLLs decreased to below 40 µg/dL, consistent with federal and local guidelines. The neonate was empirically chelated with dimercaptosuccinic acid. On postpartum day 2, maternal BLL decreased to 36 µg/dL, and the neonatal BLL was found to be 33 µg/mL. Both the mother and neonate were discharged to an alternative lead-free household on postpartum day 4.</p>","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"401-404"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522539/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9688606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chronic Doxepin Toxicity Masquerading as Epilepsy in a 10-Year-Old Boy. 慢性多克西平毒性伪装成一名10岁男孩癫痫。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-09-08 DOI: 10.1007/s13181-023-00966-y
James D Whitledge, C James Watson, Michele M Burns
{"title":"Chronic Doxepin Toxicity Masquerading as Epilepsy in a 10-Year-Old Boy.","authors":"James D Whitledge, C James Watson, Michele M Burns","doi":"10.1007/s13181-023-00966-y","DOIUrl":"10.1007/s13181-023-00966-y","url":null,"abstract":"<p><strong>Introduction: </strong>Chronic tricyclic antidepressant toxicity is rarely described in children. Symptoms include confusion, ataxia, and seizures. Toxicity may result from dosing error, CYP2C19 and CYP2D6 genetic variability, and drug-drug interactions. Chronic doxepin toxicity has not been previously reported in children. Doxepin is prescribed for insomnia and depression, with a maximum off-label dose of 3 mg/kg in children. We present a case of chronic doxepin toxicity mimicking epilepsy in a child attributable to three potential factors: supratherapeutic dosing, pharmacogenomic variability, and drug-drug interactions.</p><p><strong>Case report: </strong>A 10-year-old boy with insomnia, diagnosed with epilepsy 6 months prior, presented to an emergency department with confusion, ataxia, and increasing seizure frequency. He was prescribed doxepin for insomnia and four antiepileptics for seizures. After admission, he had two seizures and remained confused. EKGs showed QRS prolongation, suggesting doxepin toxicity. Doxepin-nordoxepin combined serum concentration was 1419 ng/mL (therapeutic 100-300 ng/mL), confirming doxepin toxicity. Outpatient records showed onset of confusion and seizures as doxepin dose was gradually uptitrated to 300 mg nightly (4.41 mg/kg). Symptoms worsened following addition of clobazam (CYP2D6 inhibitor) and topiramate (CYP2C19 inhibitor). Following doxepin discontinuation, all symptoms resolved. CYP2D6 testing showed intermediate metabolizer phenotype (CYP2D6*1/*4; activity score = 1.0; copy number = 2.0). No seizures have occurred in more than one year since doxepin discontinuation.</p><p><strong>Discussion: </strong>Caution must be exercised when prescribing doxepin. Pharmacogenomics, dose, drug-drug interactions, and age should be considered. Chronic toxicity should be contemplated in patients taking doxepin without acute overdose who present with persistent neurologic abnormalities including seizure.</p>","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"405-410"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522553/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10183067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessing Platelet Mitochondrial Dysfunction in a Murine Model of Acute Acetaminophen Toxicity. 急性对乙酰氨基酚毒性小鼠模型中血小板线粒体功能障碍的评估。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-08-29 DOI: 10.1007/s13181-023-00964-0
Carolyn Fox, Michael L Ekaney, Michael Runyon, Hieu M Nguyen, Philip J Turk, Iain H McKillop, Christine M Murphy
{"title":"Assessing Platelet Mitochondrial Dysfunction in a Murine Model of Acute Acetaminophen Toxicity.","authors":"Carolyn Fox, Michael L Ekaney, Michael Runyon, Hieu M Nguyen, Philip J Turk, Iain H McKillop, Christine M Murphy","doi":"10.1007/s13181-023-00964-0","DOIUrl":"10.1007/s13181-023-00964-0","url":null,"abstract":"<p><strong>Introduction: </strong>Acetaminophen (APAP) toxicity remains a significant cause of adult and pediatric liver failure in North America and Europe. Previous research has evaluated the impaired mitochondrial function associated with APAP toxicity. The primary aim of this study was to evaluate the effects of APAP toxicity on platelet mitochondrial function using platelet oxygen consumption in a murine model in vivo. Our secondary objectives were to determine the effect of 4-MP on platelet mitochondrial function and hepatic toxicity in the setting of APAP overdose, and to correlate platelet mitochondrial function with other markers of APAP toxicity.</p><p><strong>Methods: </strong>Male C57Bl/6 mice were randomized to receive APAP (300 or 500 mg/kg) or vehicle followed 90 minutes later by either 4-MP (50 mg/kg) or vehicle via intraperitoneal injection. Mice were euthanized 0, 12, or 24 hours later and platelets isolated from cardiac blood and counted. Platelet oxygen consumption (POC) was determined using a closed-system respirometer. Liver injury was assessed by measuring alanine transferase (ALT) and histological evaluation.</p><p><strong>Results: </strong>Injection of 500 mg/kg APAP led to increased POC versus pair-matched control (vehicle) (p < 0.001). Administration of 4-MP did not affect POC in control or 300 mg/kg APAP mice. In mice receiving 500 mg/kg APAP and 4-MP, POC decreased significantly compared to mice receiving 500 mg/kg APAP alone (p < 0.01). Serum and histological analysis confirmed APAP-induced hepatic damage in mice receiving 500 mg/kg APAP and these effects blunted by treatment with 4-MP.</p><p><strong>Conclusions: </strong>Platelet oxygen consumption as a measure of mitochondrial function may be useful as a biomarker of hepatic APAP toxicity in the setting of moderate to severe overdose. Treatment with 4-MP decreases hepatic necrosis and may mitigate the harmful effects of APAP on platelet mitochondrial function detected via POC.</p>","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"341-351"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522545/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10104242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ACMT Position Statement: Role of the Medical Toxicologist in the Management of Patients with Substance Use Disorder. ACMT立场声明:医学毒理学家在药物使用障碍患者管理中的作用。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-07-06 DOI: 10.1007/s13181-023-00945-3
Andrew I Stolbach, Maryann Mazer-Amirshahi, John Cienki, Leslie R Dye, Lewis S Nelson, Ryan Marino, Stephanie T Weiss, Brandon J Warrick, Paul M Wax
{"title":"ACMT Position Statement: Role of the Medical Toxicologist in the Management of Patients with Substance Use Disorder.","authors":"Andrew I Stolbach, Maryann Mazer-Amirshahi, John Cienki, Leslie R Dye, Lewis S Nelson, Ryan Marino, Stephanie T Weiss, Brandon J Warrick, Paul M Wax","doi":"10.1007/s13181-023-00945-3","DOIUrl":"10.1007/s13181-023-00945-3","url":null,"abstract":"","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"411-413"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522538/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10117535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adverse Events in Pregnant Patients Treated with Coronavirus Disease 2019 Therapeutics. 2019冠状病毒病治疗孕妇的不良事件。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-08-15 DOI: 10.1007/s13181-023-00961-3
Mark Simon, Jennie Buchanan, Jonathan Schimmel, Jeffrey Brent, Keith Burkhart, Paul Wax, Natalie Taylor, Kim Aldy
{"title":"Adverse Events in Pregnant Patients Treated with Coronavirus Disease 2019 Therapeutics.","authors":"Mark Simon, Jennie Buchanan, Jonathan Schimmel, Jeffrey Brent, Keith Burkhart, Paul Wax, Natalie Taylor, Kim Aldy","doi":"10.1007/s13181-023-00961-3","DOIUrl":"10.1007/s13181-023-00961-3","url":null,"abstract":"<p><strong>Background: </strong>Pregnant patients are at high risk of maternal and fetal complications from Coronavirus Disease 2019 (COVID-19) infections. The COVID-19 pandemic prompted a surge in the development and repurposing of therapies for the SARS-CoV-2 virus. Evidence is sparse on the efficacy and safety of these therapies in pregnant patients. Our objective was to describe adverse events (AEs) to COVID-19 therapeutics in pregnant patients.</p><p><strong>Methods: </strong>This was a case series of AEs reported to the FDA ACMT COVID-19 ToxIC (FACT) Pharmacovigilance Project between November 23, 2020, and June 28, 2022. FACT is an ongoing toxicosurveillance project at 17 sites to proactively identify and report AEs associated with COVID-19 therapeutics. Abstracted information includes demographics, case narratives, exposure details, clinical information, pregnancy details, treatments, and outcomes.</p><p><strong>Results: </strong>Forty-six COVID-19-positive pregnant patients who developed AEs following COVID-19 therapeutics were reported to the FACT Pharmacovigilance Project over 19 months. The most reported medications were remdesivir in 22 patients (47.8%) and casirivimab/imdevimab in 8 patients (17.4%). Four patients (8.7%) had life-threatening clinical manifestation, and 16 patients (34.8%) required intervention to prevent permanent damage. The most common maternal and fetal events were elevated serum alanine aminotransferase (26.1%) and non-reassuring fetal heart patterns (20.0%), respectively.</p><p><strong>Conclusions: </strong>This case series reports AEs of elevated serum alanine aminotransferase, maternal bradycardia, maternal hypothermia, non-reassuring fetal heart patterns, and emergent or unplanned cesarean sections following administration of several COVID-19 therapeutics. This study was not designed to definitely identify causation, and further study is needed to evaluate the causal role of these therapeutics in AEs affecting pregnant COVID-19 patients.</p>","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"381-388"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522537/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10054941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Toxicity and Adverse Effects in Clozapine-Related Presentations to a Medical Toxicology Service in Western Sydney. 氯氮平的毒性和不良反应向西悉尼的一家医学毒理学服务机构提交。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-08-25 DOI: 10.1007/s13181-023-00963-1
Pramod Chandru, Naren Gunja
{"title":"Toxicity and Adverse Effects in Clozapine-Related Presentations to a Medical Toxicology Service in Western Sydney.","authors":"Pramod Chandru, Naren Gunja","doi":"10.1007/s13181-023-00963-1","DOIUrl":"10.1007/s13181-023-00963-1","url":null,"abstract":"<p><strong>Background: </strong>Clozapine is an anti-psychotic agent, reserved for treatment-resistant schizophrenia, with demonstrated efficacy in an otherwise therapeutically challenging patient population. We aimed to review the full spectrum casemix of clozapine presentations to our tertiary toxicology service.</p><p><strong>Methods: </strong>In this retrospective study, we reviewed consecutive clozapine related toxicity presentations to a tertiary medical toxicology inpatient and consultation service-including deliberate self-poisoning (DSP), adverse drug reaction (ADR), recreational use, and therapeutic misadventure over a 10-year period from 2011 to 2021. Data were extracted for demographics, ingested dose, exposure characteristics, and patient outcome.</p><p><strong>Results: </strong>We identified 83 patients with clozapine-related presentations over the 10-year period. Twenty-two patients were excluded. Of the remaining 61 patients, 28 patients presented with DSP, 20 patients with accidental overdose, and 13 patients with an ADR; no patients presented with recreational use. It was noted that ADRs were largely idiosyncratic reactions and not always related to dose adjustments. In the context of therapeutic misadventure and DSP, we noted that a lower mean dose achieved a higher poison severity score (PSS) in clozapine-naive patients when compared to those patients on regular clozapine.</p><p><strong>Conclusions: </strong>The presentation of clozapine-related toxicity differs depending on the modality of ingestion, whether DSP, accidental, or as a result of ADR. Patients naive to clozapine therapy tend to experience higher PSS with lower doses ingested either in a deliberate self-poisoning or accidental ingestion context. This is likely due to tolerance to the sedative properties of clozapine. No patients manifested clinical toxicity greater than 8 hours after ingestion, with an observation period of 6 hours accurately identifying toxicity in most patients.</p>","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"374-380"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522536/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10071893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Toxicology Investigators Consortium 2022 Annual Report. 毒理学调查员联合会2022年度报告。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-08-29 DOI: 10.1007/s13181-023-00962-2
Alexandra M Amaducci, Sharan L Campleman, Shao Li, Dana L Karshenas, Meghan B Spyres, Lynn A Farrugia, A Min Kang, Rachel E Culbreth, Paul M Wax, Jeffrey Brent, Kim Aldy
{"title":"The Toxicology Investigators Consortium 2022 Annual Report.","authors":"Alexandra M Amaducci, Sharan L Campleman, Shao Li, Dana L Karshenas, Meghan B Spyres, Lynn A Farrugia, A Min Kang, Rachel E Culbreth, Paul M Wax, Jeffrey Brent, Kim Aldy","doi":"10.1007/s13181-023-00962-2","DOIUrl":"10.1007/s13181-023-00962-2","url":null,"abstract":"<p><p>Since 2010, medical toxicology physicians from the American College of Medical Toxicology (ACMT) Toxicology Investigators Consortium (ToxIC) have provided reports on their in-hospital and clinic patient consultations to a national case registry, known as the ToxIC Core Registry. De-identified patient data entered into the registry includes patient demographics, reason for medical toxicology evaluation, exposure agents, clinical signs and symptoms, treatments and antidotes administered, and mortality. This thirteenth annual report provides data from 7206 patients entered into the Core Registry in 2022 by 35 participating sites comprising 52 distinct healthcare facilities, bringing the total case count to 94,939. Opioid analgesics were the most commonly reported exposure agent class (15.9%), followed by ethanol (14.9%), non-opioid analgesic (12.8%), and antidepressants (8.0%). Opioids were the leading agent of exposure for the first time in 2022 since the Core Registry started. There were 118 fatalities (case fatality rate of 1.6%). Additional descriptive analyses in this annual report were conducted to describe the location of the patient during hospitalization, telemedicine consultations, and addiction medicine treatments.</p>","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"313-340"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522558/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10112476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cell-Free DNA as a Biomarker in a Rodent Model of Chlorpyrifos Poisoning Causing Mitochondrial Dysfunction. 在毒死蜱中毒引起线粒体功能障碍的啮齿动物模型中,细胞游离DNA作为生物标志物。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-07-31 DOI: 10.1007/s13181-023-00956-0
Shih-Han Kao, Frances S Shofer, John C Greenwood, Oladunni Alomaja, Abhay Ranganathan, Sarah Piel, Clementina Mesaros, Samuel S Shin, Johannes K Ehinger, Todd J Kilbaugh, David H Jang
{"title":"Cell-Free DNA as a Biomarker in a Rodent Model of Chlorpyrifos Poisoning Causing Mitochondrial Dysfunction.","authors":"Shih-Han Kao, Frances S Shofer, John C Greenwood, Oladunni Alomaja, Abhay Ranganathan, Sarah Piel, Clementina Mesaros, Samuel S Shin, Johannes K Ehinger, Todd J Kilbaugh, David H Jang","doi":"10.1007/s13181-023-00956-0","DOIUrl":"10.1007/s13181-023-00956-0","url":null,"abstract":"<p><strong>Introduction: </strong>Organophosphates (OPs) are a major public health problem worldwide due to ease of access and high toxicity lacking effective biomarkers and treatment. Cholinergic agents such as OPs and carbamates are responsible for many pesticide-related deaths. While the inhibition of AChE is thought to be the main mechanism of injury, there are other important pathways that contribute to the overall toxicity of OPs such as mitochondrial dysfunction. An existing gap in OP poisoning are biomarkers to gauge severity and prognosis. Cell-free DNA (cfDNA) are novel biomarkers that have gained increased attention as a sensitive biomarker of disease with novel use in acute poisoning. This study investigates alterations in cerebral mitochondrial function in a rodent model of chlorpyrifos poisoning with the use of cfDNA as a potential biomarker.</p><p><strong>Methods: </strong>Twenty rodents were divided into two groups: Control (n = 10) and Chlorpyrifos (n = 10). Chlorpyrifos was administered through the venous femoral line with a Harvard Apparatus 11 Elite Syringe pump (Holliston, MA, USA) at 2 mg/kg. Animals were randomized to receive chlorpyrifos versus the vehicle (10% DMSO) for 60 min which would realistically present an acute exposure with continued absorption. At the end of the exposure (60 min), isolated mitochondria were measured for mitochondrial respiration along with measures of acetylcholinesterase activity, cfDNA, cytokines and western blot.</p><p><strong>Results: </strong>The Chlorpyrifos group showed a significant decrease in heart rate but no change in the blood pressure. There was a significant increase in bulk cfDNA concentrations and overall decrease in mitochondrial respiration from brain tissue obtained from animals in the Chlorpyrifos group when compared to the Control group with no difference in acetylcholinesterase activity. In addition, there was a significant increase in both IL-2 and IL-12 in the Chlorpyrifos group.</p><p><strong>Conclusions: </strong>In our study, we found that the total cfDNA concentration may serve as a more accurate biomarker of OP exposure compared to acetylcholinesterase activity. In addition, there was an overall decrease in cerebral mitochondrial function in the Chlorpyrifos group when compared to the Control group.</p>","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"352-361"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522542/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10274636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accuracy of a Glycerol Dehydrogenase Assay for Ethylene Glycol Detection. 甘油脱氢酶测定法检测乙二醇的准确性。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 Epub Date: 2023-09-11 DOI: 10.1007/s13181-023-00967-x
Ari B Filip, Christopher W Farnsworth, Michael E Mullins, Bridgit O Crews, Jeffrey A Kraut
{"title":"Accuracy of a Glycerol Dehydrogenase Assay for Ethylene Glycol Detection.","authors":"Ari B Filip, Christopher W Farnsworth, Michael E Mullins, Bridgit O Crews, Jeffrey A Kraut","doi":"10.1007/s13181-023-00967-x","DOIUrl":"10.1007/s13181-023-00967-x","url":null,"abstract":"<p><strong>Introduction: </strong>Ethylene glycol (EG) is a frequently considered toxicant in poisoned patients. Definitive diagnosis relies on gas chromatography (GC), but this is unavailable at most hospitals. A glycerol dehydrogenase (GDH)-based assay rapidly detects EG. A rapid turnaround time and wide availability of necessary instrumentation suggest this method could facilitate the rapid detection of EG.</p><p><strong>Methods: </strong>This is a prospective, observational analysis of banked, remnant serum samples submitted to the laboratory of a large, multi-hospital healthcare system. Samples were submitted over a 12-month period for the explicit purpose of testing for suspected EG ingestion. All samples underwent GC and the GDH-based assay.</p><p><strong>Results: </strong>Of the 118 analyzed samples, 88 had no EG detected by GC, and 30 were \"positive.\" At the manufacturer's threshold of 6 mg/dL EG, there was 100% (95%CI; 88.7-100) positive percent agreement (PPA) and 98% (92.1-99.6) negative percent agreement (NPA). Adjusted to a threshold of 9 mg/dL, both the PPA and NPA were 100%. Deming regression of the observed concentrations revealed a slope of 1.16 (1.01 to 1.32) and intercept of -5.3 (-8.9 to -1.7).</p><p><strong>Conclusions: </strong>The GDH assay provides a sensitive and specific method for the detection and quantification of EG that is comparable to a GC-based method. More widespread use of this rapid, inexpensive assay could improve the care of patients with suspected toxic alcohol exposure. Further study is needed to evaluate the test performance in real-time patient treatment decisions.</p>","PeriodicalId":16429,"journal":{"name":"Journal of Medical Toxicology","volume":" ","pages":"362-367"},"PeriodicalIF":2.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10522546/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10258699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction to: A Multi-Omic Mosaic Model of Acetaminophen Induced Alanine Aminotransferase Elevation. 更正:对乙酰氨基酚诱导的丙氨酸氨基转移酶升高的多基因镶嵌模型。
IF 2.5 4区 医学
Journal of Medical Toxicology Pub Date : 2023-10-01 DOI: 10.1007/s13181-023-00957-z
Andrew A Monte, Alexis Vest, Julie A Reisz, Danielle Berninzoni, Claire Hart, Layne Dylla, Angelo D'Alessandro, Kennon J Heard, Cheyret Wood, Jack Pattee
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