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Daoud A, Dalhoff KP, Petersen TS. Paracetamol-induced acute kidney injury in the absence of acute liver injury: a retrospective cohort study. TOXICOLOGY COMMUNICATIONS 2022. [DOI: 10.1080/24734306.2022.2117941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Affiliation(s)
- Alaa Daoud
- Department of Clinical Medicine, Faculty of Health and Medical science, Copenhagen University, Copenhagen, Denmark
- Department of Clinical Pharmacology and The Danish Poison Information Centre, Bispebjerg and Frederiksberg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
- Department of Public Health, Faculty of Health and Medical science, University of Copenhagen, Copenhagen, Denmark
| | - Kim Peder Dalhoff
- Department of Clinical Medicine, Faculty of Health and Medical science, Copenhagen University, Copenhagen, Denmark
- Department of Clinical Pharmacology and The Danish Poison Information Centre, Bispebjerg and Frederiksberg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Tonny Studsgaard Petersen
- Department of Clinical Medicine, Faculty of Health and Medical science, Copenhagen University, Copenhagen, Denmark
- Department of Clinical Pharmacology and The Danish Poison Information Centre, Bispebjerg and Frederiksberg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
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Loh CS, Ponampalam R. Nephrotoxicity Associated with Acute Paracetamol Overdose: A Case Report and Review of the Literature. HONG KONG J EMERG ME 2017. [DOI: 10.1177/102490790601300202] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A 29-year-old, 65 kg, Chinese man presented to hospital 10 hours after ingesting 30 g of paracetamol (462 mg/kg body weight). The blood paracetamol level was 145 µg/ml at 10 hours post-ingestion. He had no known risk factors for hepatotoxicity and was treated with intravenous N-acetylcysteine (NAC). Serum creatinine level rose to a maximum of 455 µmol/L on day 8; it gradually declined without the need for dialysis. Little is known of the risk factors for nephrotoxicity, which may occur with or without concurrent liver damage, suggesting possible primary toxic effects on the kidney. The use of NAC in this case may have prevented the progression to liver failure and reduced the severity of the nephrotoxic effects.
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Affiliation(s)
| | - R Ponampalam
- Singapore General Hospital, Department of Emergency Medicine, Outram Road, Singapore 169608 R Ponampalam
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Wendon, J, Cordoba J, Dhawan A, Larsen FS, Manns M, Samuel D, Simpson KJ, Yaron I, Bernardi M. EASL Clinical Practical Guidelines on the management of acute (fulminant) liver failure. J Hepatol 2017; 66:1047-1081. [PMID: 28417882 DOI: 10.1016/j.jhep.2016.12.003] [Citation(s) in RCA: 495] [Impact Index Per Article: 70.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 12/07/2016] [Indexed: 02/06/2023]
Abstract
The term acute liver failure (ALF) is frequently applied as a generic expression to describe patients presenting with or developing an acute episode of liver dysfunction. In the context of hepatological practice, however, ALF refers to a highly specific and rare syndrome, characterised by an acute abnormality of liver blood tests in an individual without underlying chronic liver disease. The disease process is associated with development of a coagulopathy of liver aetiology, and clinically apparent altered level of consciousness due to hepatic encephalopathy. Several important measures are immediately necessary when the patient presents for medical attention. These, as well as additional clinical procedures will be the subject of these clinical practice guidelines.
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Kress HG, Untersteiner G. Clinical update on benefit versus risks of oral paracetamol alone or with codeine: still a good option? Curr Med Res Opin 2017; 33:289-304. [PMID: 27842443 DOI: 10.1080/03007995.2016.1254606] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND After decades of worldwide use of paracetamol/acetaminophen as a popular and apparently safe prescription and over-the-counter medicine, the future role of this poorly understood analgesic has been seriously questioned by recent concerns about prenatal, cardiovascular (CV) and hepatic safety, and also about its analgesic efficacy. At the same time the usefulness of codeine in combination products has come under debate. METHODS Based on a PubMed database literature search on the terms efficacy, safety, paracetamol, acetaminophen, codeine and their combinations up to and including June 2016, this clinical update reviews the current evidence of the benefit and risks of oral paracetamol alone and with codeine for mild-to-moderate pain in adults, and compares the respective efficacy and safety profiles with those of nonsteroidal anti-inflammatory drugs (NSAIDs). RESULTS Whereas there is a clear strong association of NSAID use and gastrointestinal (GI) and CV morbidity and mortality, evidence for paracetamol with and without codeine supports the recommended use even in most vulnerable individuals, such as the elderly, pregnant women, alcoholics, and compromised GI and CV patients. The controversies and widespread misconceptions about the complex hepatic metabolism and potential hepatotoxicity have been corrected by recent reviews, and paracetamol remains the first-line nonopioid analgesic in patients with liver diseases if notes of caution are applied. CONCLUSION Due to its safety and tolerability profile paracetamol remained a first-line treatment in many international guidelines. Alone and with codeine it is a safe and effective option in adults, whilst NSAIDs are obviously less safe as alternatives, given the risk of potentially fatal GI and CV adverse effects.
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Incidence and characterization of acute kidney injury after acetaminophen overdose. J Crit Care 2016; 35:191-4. [PMID: 27481758 DOI: 10.1016/j.jcrc.2016.06.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 05/09/2016] [Accepted: 06/13/2016] [Indexed: 02/05/2023]
Abstract
PURPOSE Acute kidney injury (AKI) occurs in 2-10% of patients with acetaminophen (APAP) overdose. Elevation in creatinine (SCr) typically occurs 2 to 5 days after ingestion, with a mean peak on day 7, and normalization over a month. However, it remains unclear whether renal impairment occurs without hepatotoxicity. We hypothesized that APAP-associated acute renal failure occurs in patients with and without severe liver dysfunction after APAP overdose. MATERIALS AND METHODS We retrospectively evaluated all patients admitted to the Medical Intensive Care Unit at a tertiary hospital and received acetylcysteine between June 2009 and December 2014. Of the 303 patients meeting these criteria, 139 of these patients received acetylcysteine for APAP overdose. Of these patients, 138 had Model for End-Stage Liver Disease (MELD) Scores on Day 1 of admission. Using a modified MELD (m-MELD) score, only containing total bilirubin and international normalized ratio not the SCr, the median m-MELD score was calculated. Patients with m-MELD scores below the median were compared to those with scores above the median (low m-MELD score <2.9 or high m-MELD score >2.9). RESULTS Baseline demographics were similar in the two groups with the exception of more hypertension in the low m-MELD group (24 vs 7%; P= .02). Time to admission was shorter in the low m-MELD group (7.9 ± 9.3 vs. 25.7 ± 29.2 hours; P= .001). The mean admission APAP level was 96.9 (±119) μg/mL in the low compared to 52.3 (±85.3) μg/mL in the high m-MELD group (P= .012). Day one SCr (1.2 ± 0.9 vs 2.7 ± 2.2 mg/dL; P< .0001) and change from baseline to highest SCr (0.2 ± 0.3 vs. 2.7 ± 3.3 mg/dL; P< .0001) were both lower in the low m-MELD group compared to the high m-MELD group. In addition, renal failure resolved upon discharge in all 2 patients (3%) with AKI in the low m-MELD group as compared to only 19 patients (44%) in the high m-MELD group. CONCLUSIONS Mean day one SCr, maximum change in SCr, and lack of renal failure resolution were higher in patients with higher m-MELD scores. However, patients with low m-MELD scores presented much earlier than patients with high m-MELD scores and 26% developed AKI.
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Lesión renal aguda en la intoxicación por paracetamol. Med Clin (Barc) 2016; 146:233-4. [DOI: 10.1016/j.medcli.2015.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 07/13/2015] [Indexed: 11/15/2022]
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Murad HAS, Habib H, Kamel Y, Alsayed S, Shakweer M, Elshal M. Thearubigins protect against acetaminophen-induced hepatic and renal injury in mice: biochemical, histopathological, immunohistochemical, and flow cytometry study. Drug Chem Toxicol 2015; 39:190-8. [PMID: 26234406 DOI: 10.3109/01480545.2015.1070170] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
CONTEXT Acetaminophen toxicity is used as a model for studying chemical toxicity. N-acetylcysteine (NAC) is used for the treatment of hepatotoxicity; however, there is no specific therapy for nephrotoxicity. OBJECTIVE This study was designed to investigate the potential protective effect of black tea extract (BTE) and its main phenolic pigment, thearubigins (TRs), against acetaminophen (APAP)-induced hepatic and renal injury in mice. MATERIALS AND METHODS Besides control groups, six groups (n = 8) were given intraperitoneally APAP (300 mg/kg) and then after 1.5 hours were treated intraperitoneally as follows: NAC (318 mg/kg), BTE (3%, 4.5%), and TRs (50, 60, and 70 mg/kg). Six hours post-APAP injection, blood was collected for biochemical measurements. Later, liver and kidneys were removed for histopathological, immunohistochemical, and flow cytometry studies. RESULTS APAP increased alanine aminotransferase and malondialdehyde and decreased glutathione levels in blood. Treatments significantly reversed these changes mostly with NAC and TRs70. TRs showed dose-dependent significant differences. The APAP-induced central lobular hepatic necrosis and increased TUNEL positivity were mild with co-administration of NAC and TRs (60, 70) while moderate with co-administration of BTE (3, 4.5) and TRs50. The APAP-increased serum creatinine level was significantly reversed by treatments (mostly TRs60, 70). The APAP-induced renal tubular epithelial degeneration and necrosis were mild with co-administration of TRs (60, 70) while moderate with co-administration of NAC, BTE (3, 4.5), and TRs50. The APAP-accumulated apoptotic cells in sub-G1 phase were significantly decreased by treatments, mostly by NAC and TRs70 in the liver and TRs (60, 70) in kidneys. CONCLUSION Thearubigins protected against acetaminophen-induced hepatotoxicity and nephrotoxicity in mice possibly through their antioxidant activity.
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Affiliation(s)
| | | | - Y Kamel
- c Department of Microbiology , and
| | - S Alsayed
- d Department of Physiology, Faculty of Medicine , Rabigh, King Abdulaziz University (KAU) , Jeddah , Saudi Arabia
| | - M Shakweer
- e Department of Pathology, Faculty of Medicine , Ain Shams University , Cairo , Egypt , and
| | - M Elshal
- f Department of Biochemistry, Faculty of Science , KAU , Jeddah , Saudi Arabia
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Tujios SR, Hynan LS, Vazquez MA, Larson AM, Seremba E, Sanders CM, Lee WM. Risk factors and outcomes of acute kidney injury in patients with acute liver failure. Clin Gastroenterol Hepatol 2015; 13:352-9. [PMID: 25019700 PMCID: PMC4937794 DOI: 10.1016/j.cgh.2014.07.011] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Revised: 07/01/2014] [Accepted: 07/02/2014] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Patients with acute liver failure (ALF) frequently develop renal dysfunction, yet its overall incidence and outcomes have not been fully assessed. We investigated the incidence of acute kidney injury (AKI) among patients with ALF, using defined criteria to identify risk factors and to evaluate its effect on overall outcomes. METHODS We performed a retrospective review of data from 1604 patients enrolled in the Acute Liver Failure Study Group, from 1998 through 2010. Patients were classified by the Acute Kidney Injury Network criteria, as well as for etiology of liver failure (acetaminophen-based, ischemic, and all others). RESULTS Seventy percent of patients with ALF developed AKI, and 30% received renal replacement therapy (RRT). Patients with severe AKI had higher international normalized ratio values than those without renal dysfunction (P < .001), and a higher proportion had advanced-grade coma (coma grades 3 or 4; P < .001) or presented with hypotension requiring vasopressor therapy (P < .001). A greater proportion of patients with acetaminophen-induced ALF had severe kidney injury than of patients with other etiologies of ALF; 34% required RRT, compared with 25% of patients with ALF not associated with acetaminophen or ischemia (P < .002). Of the patients with ALF who were alive at 3 weeks after study entry, significantly fewer with AKI survived for 1 year. Although AKI reduced the overall survival time, more than 50% of patients with acetaminophen-associated or ischemic ALF survived without liver transplantation (even with RRT), compared with 19% of patients with ALF attribute to other causes (P < .001). Only 4% of patients requiring RRT became dependent on dialysis. CONCLUSIONS Based on a retrospective analysis of data from more than 1600 patients, AKI is common in patients with ALF and affects short- and long-term outcomes, but rarely results in chronic kidney disease. Acetaminophen-induced kidney injury is frequent, but patients have better outcomes than those with other forms of ALF.
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Affiliation(s)
- Shannan R. Tujios
- Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Linda S. Hynan
- Division of Biostatistics, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Miguel A. Vazquez
- Division of Nephrology, University of Texas Southwestern Medical Center, Dallas, Texas
| | | | | | - Corron M. Sanders
- Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center, Dallas, Texas
| | - William M. Lee
- Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center, Dallas, Texas,Division of Gastroenterology, Hepatology and Nutrition, The Wexner Medical Center, The Ohio State University, Columbus, Ohio
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Abstract
Therapeutic Reviews aim to provide essential independent information for health professionals about drugs used in palliative and hospice care. Additional content is available on www.palliativedrugs.com. Country-specific books (Hospice and Palliative Care Formulary USA, and Palliative Care Formulary, British and Canadian editions) are also available and can be ordered from www.palliativedrugs.com. The series editors welcome feedback on the articles (hq@palliativedrugs.com).
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Le Vaillant J, Pellerin L, Brouard J, Eckart P. [Acetaminophen (paracetamol) causing renal failure: report on 3 pediatric cases]. Arch Pediatr 2013; 20:650-3. [PMID: 23628119 DOI: 10.1016/j.arcped.2013.03.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2012] [Revised: 02/12/2013] [Accepted: 03/20/2013] [Indexed: 11/28/2022]
Abstract
Renal failure secondary to acetaminophen poisoning is rare and occurs in approximately 1-2 % of patients with acetaminophen overdose. The pathophysiology is still being debated, and renal acetaminophen toxicity consists of acute tubular necrosis, without complication if treated promptly. Renal involvement can sometimes occur without prior liver disease, and early renal manifestations usually occur between the 2nd and 7th day after the acute acetaminophen poisoning. While therapy is exclusively symptomatic, sometimes serious metabolic complications can be observed. The monitoring of renal function should therefore be considered as an integral part of the management of children with acute, severe acetaminophen intoxication. We report 3 cases of adolescents who presented with acute renal failure as a result of voluntary drug intoxication with acetaminophen. One of these 3 girls developed severe renal injury without elevated hepatic transaminases. None of the 3 girls' renal function required hemodialysis, but one of the 3 patients had metabolic complications after her acetaminophen poisoning.
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Affiliation(s)
- J Le Vaillant
- Service de pédiatrie médicale, CHU de Caen, avenue de la Côte-de-Nacre, 14033 Caen, France.
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Vilay AM, Wong CS, Schrader RM, Mercier RC, Seifert SA. Indicators for serious kidney complications associated with toxic exposures: an analysis of the National Poison Data System. Clin Toxicol (Phila) 2013; 51:96-105. [PMID: 23331216 DOI: 10.3109/15563650.2012.762456] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
CONTEXT Over two million poisoning exposures are reported to U.S. poison control centers annually. A broad population-based survey of toxic exposures and the correlated patterns of reported kidney injury (acute or chronic) have not been systematically characterized. OBJECTIVE Our objective was to study the demographic and exposure patterns associated with indicators for serious kidney complications (ISKC), as defined by the variables in the NPDS. MATERIALS AND METHODS This was a retrospective, case-control study using the data elements available in the NPDS. We assessed data related to patient characteristics, substance exposure, and management. Cases and controls were derived from adult and pediatric exposures documented in NPDS (2001-2007) as having "renal effects." For substance-specific analyses, cases were restricted to those involving single substances or single entity pharmaceutical preparations. ISKC cases presented with one or more of the following NPDS codes: increased creatinine, and/or oliguria/anuria, and/or renal failure. Controls were subjects with "renal effects" but did not have increased creatinine, nor anuria/oliguria, nor renal failure. Univariate and multivariate logistic regression analyses identified factors associated with ISKC and determined the relationship between these factors. RESULTS From the approximate 16.8 million exposures reported to the NPDS within the study timeframe, there were 16,444 single substance exposures with renal effects of which 9,074 cases experienced ISKC (55.2%) compared to 7,370 controls without ISKC. Cases with ISKC tended to be males, adults, and reported to involve intentional exposures. Cases with ISKC had higher rates of reported hemodialysis/hemofiltration (27.7%; N = 2,517) and death (10.9%; N = 990) compared to controls, respectively, (2.1%; N = 155) and (0.8%; N = 60), p < 0.001. Substances considered a priori to be nephrotoxic were associated with a higher risk of ISKC. DISCUSSION AND CONCLUSION The NPDS provided insight into the subjects and types of exposures that associate with ISKC. Subjects with ISKC experienced higher rates of morbidity and mortality compared to subjects without ISKC. We identified subject characteristics and classes of compounds associated with ISKC. We hope that the hypotheses generated from this study of the NPDS will raise awareness of the possible risk factors and complications associated with ISKC.
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Affiliation(s)
- A M Vilay
- Department of Pharmacy Practice and Administrative Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, USA.
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O'Riordan A, Brummell Z, Sizer E, Auzinger G, Heaton N, O'Grady JG, Bernal W, Hendry BM, Wendon JA. Acute kidney injury in patients admitted to a liver intensive therapy unit with paracetamol-induced hepatotoxicity. Nephrol Dial Transplant 2011; 26:3501-8. [PMID: 21652548 DOI: 10.1093/ndt/gfr050] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Paracetamol overdose can cause acute kidney injury (AKI) independent of its hepatotoxic effects. We aimed to determine the prevalence of AKI (AKI Network definition) in those with paracetamol-induced hepatotoxicity, identify factors associated with development, assess impact on the outcomes of patient survival and length of stay and determine the proportion of patients recovering renal function (estimated glomerular filtration rate > 60 mL/min) by the time of hospital discharge or transfer out. METHODS Between 2000 and 2007, patients admitted to a tertiary referral liver intensive therapy unit (LITU) with paracetamol-induced hepatotoxicity were identified from a prospectively maintained database and evaluated. RESULTS Those receiving a liver transplant were excluded (n = 54), leaving 302 patients. Renal function remained normal in 21%, the remainder developing AKI (Stages 1-8%, 2-6% and 3-65%). Vasopressor requirement, mechanical ventilation, higher admission phosphate and lower sodium levels along with a higher Day 3 lactate and lower haematocrit were associated with AKI. In survivors with AKI, 51% had recovery of renal function, while 7% remained dialysis dependant although none required it chronically. Overall, there was 25% mortality, all having Stage 3 AKI but AKI was only a univariate not multivariate predictor of reduced patient survival. AKI independently predicted longer length of stay. CONCLUSIONS AKI is very common in critically ill patients with paracetamol-induced hepatotoxicity requiring LITU admission. Although outcomes are poorer with AKI than with normal renal function, they are better than those found in other intensive therapy unit populations. Gradual recovery of renal function is seen in all patients.
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Affiliation(s)
- Aisling O'Riordan
- Department of Renal Medicine, King’s College Hospital, London, UK. aisling.o'
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Zyoud SH, Awang R, Sulaiman SAS, Al-Jabi SW. Impact of serum acetaminophen concentration on changes in serum potassium, creatinine and urea concentrations among patients with acetaminophen overdose. Pharmacoepidemiol Drug Saf 2011; 20:203-8. [PMID: 21254292 DOI: 10.1002/pds.2060] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2010] [Revised: 08/10/2010] [Accepted: 09/06/2010] [Indexed: 02/05/2023]
Abstract
BACKGROUND Acetaminophen overdose may be accompanied by electrolyte disturbances. The basis for electrolyte change appears to be due to increased fractional urinary electrolyte excretion. PURPOSE This study investigated the impact of serum acetaminophen concentration on changes in serum potassium, creatinine and urea concentrations in patients with acetaminophen overdose. METHODS This was a retrospective cohort study which included patients admitted to the emergency department and hospital within 24 h of acetaminophen ingestion. The study was conducted over a period of 5 years from 1 January 2004 to 31 December 2008. Data are presented as mean ± SD and as medians (interquartile range) and groups were compared using independent two-tailed Student t-test. Statistical Package for Social Sciences (SPSS) 15 was used for data analysis. RESULTS Two hundred and eighty-three patients were studied (44 males and 239 females), mean age 23 ± 7.5 years. Patients who had a serum acetaminophen concentration above a 'possible toxicity' treatment line were associated with an elevation in serum creatinine concentration (p=0.044) and a reduction in the serum potassium concentration (p<0.001) but were not associated with a reduction in serum urea concentration (p>0.99). During the study period, 63.3% (179 patients) had serum potassium concentrations less than the normal concentration (3.5 mmol/l) and 31.4% (89 patients) had serum urea concentrations less than the normal concentration (2.5 mmol/l). The serum creatinine concentration in all patients was within the normal range. CONCLUSIONS Acetaminophen appears to cause a concentration-dependent reduction of potassium concentrations and an elevation of creatinine concentrations of short duration (<24 h) after overdose.
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Affiliation(s)
- Sa'ed H Zyoud
- WHO Collaborating Centre for Drug Information, National Poison Centre, Universiti Sains Malaysia (USM), Penang, Malaysia.
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Zyoud SH, Awang R, Sulaiman SAS, Al-Jabi SW. Assessing the impact of vomiting episodes on outcome after acetaminophen poisoning. Basic Clin Pharmacol Toxicol 2010; 107:887-92. [PMID: 20456332 DOI: 10.1111/j.1742-7843.2010.00594.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Identifying indices of poor prognosis at first presentation after acetaminophen poisoning is the key to both improving clinical care and determining targets for intervention. This study intended to document the prevalence, clinical characteristics and predictors of vomiting and to investigate the relationship between episodes of vomiting at first hospital presentation and outcome in acetaminophen poisoning. This retrospective cohort study included patients who attended the emergency department and were admitted within 24 hr of acetaminophen ingestion. The study was conducted over a period of 5 years from 1 January 2004 to 31 December 2008. Parametric and non-parametric tests were used to test differences between groups depending on the normality of the data. SPSS 15 was used for data analysis. Data from 291 patients were included. Vomiting was present in 65.3% of patients with acetaminophen poisoning at the time of first presentation. Multiple logistic regression showed that significant risk factors for vomiting were present among patients who reported an ingested dose of acetaminophen ≥10 g (p < 0.001) and a latency time of more than 8 hr (p = 0.030). Overall, an increasing trend in prothrombin time (p = 0.03), serum bilirubin (p < 0.001), serum creatinine (p = 0.005), serum potassium (p < 0.001), length of hospital stay (p < 0.001) and the prevalence of patients who had a serum acetaminophen level above a 'possible toxicity' treatment line (p = 0.001) were associated with an increased number of episodes of vomiting. In conclusion, vomiting was common among patients with acetaminophen poisoning. This study suggests that an increase in episodes of vomiting at first presentation appears to be an important risk marker of subsequent nephrotoxicity and hepatotoxicity.
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Affiliation(s)
- Sa'ed H Zyoud
- WHO Collaborating Centre for Drug Information, National Poison Centre, Universiti Sains Malaysia (USM), Penang, Malaysia.
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15
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Lim AY, Segarra I, Chakravarthi S, Akram S, Judson JP. Histopathology and biochemistry analysis of the interaction between sunitinib and paracetamol in mice. BMC Pharmacol 2010; 10:14. [PMID: 20950441 PMCID: PMC2965131 DOI: 10.1186/1471-2210-10-14] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2010] [Accepted: 10/15/2010] [Indexed: 12/27/2022] Open
Abstract
Background Sunitinib, a tyrosine kinase inhibitor to treat GIST and mRCC may interact with paracetamol as both undergo P450 mediated biotransformation and P-glycoprotein transport. This study evaluates the effects of sunitinib-paracetamol coadministration on liver and renal function biomarkers and liver, kidney, brain, heart and spleen histopathology. ICR male mice (n = 6 per group/dose) were administered saline (group-A) or paracetamol 500 mg/kg IP (group-B), or sunitinib at 25, 50, 80, 100, 140 mg/kg PO (group-C) or coadministered sunitinib at 25, 50, 80, 100, 140 mg/kg PO and paracetamol IP at fixed dose 500 mg/kg (group-D). Paracetamol was administered 15 min before sunitinib. Mice were sacrificed 4 h post sunitinib administration. Results Group-A serum ALT and AST levels were 14.29 ± 2.31 U/L and 160.37 ± 24.74 U/L respectively and increased to 249.6 ± 222.7 U/L and 377.1 ± 173.6 U/L respectively in group-B; group-C ALT and AST ranged 36.75-75.02 U/L and 204.4-290.3 U/L respectively. After paracetamol coadministration with low sunitinib doses (group-D), ALT and AST concentrations ranged 182.79-221.03 U/L and 259.7-264.4 U/L respectively, lower than group-B. Paracetamol coadministration with high sunitinib doses showed higher ALT and AST values (range 269.6-349.2 U/L and 430.2-540.3 U/L respectively), p < 0.05. Hepatic histopathology showed vascular congestion in group-B; mild congestion in group-C (but lesser than in group-B and D). In group-D, at low doses of sunitinib, lesser damage than in group-B occurred but larger changes including congestion were observed at high sunitinib doses. BUN levels were higher (p < 0.05) for group-B (33.81 ± 5.68 mg/dL) and group-D (range 35.01 ± 6.95 U/L to 52.85 ± 12.53 U/L) compared to group-A (15.60 ± 2.17 mg/dL) and group-C (range 17.50 ± 1.25 U/L to 26.68 ± 6.05 U/L). Creatinine remained unchanged. Renal congestion and necrosis was lower in group-C than group-B but was higher in group-D (p > 0.05). Mild cardiotoxicity occurred in groups B, C and D. Brain vascular congestion occurred at high doses of sunitinib administered alone or with paracetamol. Hepatic and renal biomarkers correlated with histopathology signs. Conclusions Paracetamol and sunitinib coadministration may lead to dose dependent outcomes exhibiting mild hepatoprotective effect or increased hepatotoxicity. Sunitinib at high doses show renal, cardiac and brain toxicity. Liver and renal function monitoring is recommended.
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Affiliation(s)
- Adeline Yl Lim
- Department of Human Biology, School of Medicine, International Medical University, Jalan 19/155B, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - Ignacio Segarra
- Department of Pharmaceutical Technology, School of Pharmacy and Health Sciences, International Medical University, Jalan 19/155B, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - Srikumar Chakravarthi
- Department of Pathology, International Medical University, Jalan 19/155B, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - Sufyan Akram
- Department of Human Biology, School of Medicine, International Medical University, Jalan 19/155B, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - John P Judson
- Department of Human Biology, School of Medicine, International Medical University, Jalan 19/155B, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
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Zyoud SH, Awang R, Sulaiman SAS, Al-Jabi SW. Association between gastrointestinal manifestations following acetaminophen poisoning and outcome in 291 acetaminophen poisoning patients. Pharmacoepidemiol Drug Saf 2010; 19:511-7. [PMID: 20333776 DOI: 10.1002/pds.1940] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Acetaminophen poisoning is a common clinical problem, and early identification of patients with more severe poisoning is key to improving outcomes. PURPOSES This study intends to document prevalence, clinical characteristics, and predictors of gastrointestinal (GI) manifestations and to assess the impact of these manifestations on outcome in patients with acetaminophen poisoning. METHODS This is a retrospective cohort study of hospital admissions for acute acetaminophen poisoning conducted over a period of 5 years from 1 January 2004 to 31 December 2008. Parametric and non-parametric tests were used to test differences between groups depending on the normality of the data. Statistical Package for Social Sciences (SPSS) 15 was used for data analysis. RESULTS Two hundred and ninety-one patients were studied; their mean age was 23.01 +/- 7.4 years and 76.6% had GI manifestations. Multiple logistic regression showed that significant risk factors for GI manifestations were present among patients who reported acetaminophen dose ingested >or=10 g (p < 0.001), and latency time more than 8 hours (p = 0.030). GI manifestations at first admission predicted poorer outcomes in terms of estimated acetaminophen levels to be a possible toxic (p < 0.001), elevated bilirubin levels (p = 0.002), prolonged prothrombin time (PT; p = 0.002), elevated creatinine level (p = 0.028), declination of potassium level (p < 0.001), and prolonged hospital stay (p < 0.001). CONCLUSIONS GI manifestations were common among patients with acetaminophen poisoning. This study suggests that the presence of GI manifestations at first presentation appears to be an important risk marker of subsequent hepatotoxicity and nephrotoxicity.
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Affiliation(s)
- Sa'ed H Zyoud
- WHO Collaborating Centre for Drug Information, National Poison Centre, Universiti Sains Malaysia (USM), Penang, Malaysia.
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Waring WS, Jamie H, Leggett GE. Delayed onset of acute renal failure after significant paracetamol overdose: A case series. Hum Exp Toxicol 2009; 29:63-8. [DOI: 10.1177/0960327109350799] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Acute renal failure is a recognized manifestation of paracetamol toxicity, but comparatively little data is available concerning its onset and duration. The present study sought to characterize the time course of rising serum creatinine concentrations in paracetamol nephrotoxicity. Renal failure was defined by serum creatinine concentration ≥150 μmol/L (1.69 mg/dL) or ≥50% increase from baseline. Serum creatinine concentrations and alanine aminotransferase activity were considered with respect to the interval after paracetamol ingestion. There were 2068 patients with paracetamol overdose between March 2005 and October 2007, and paracetamol nephrotoxicity occurred in 8 (0.4%). All had significant hepatotoxicity, and peak serum alanine aminotransferase activity occurred at 2.5 days (2.2 to 2.9 days) after ingestion. Peak serum creatinine concentrations did not occur until 5.5 days (4.4 to 5.9 days) after ingestion (p = .031 by Wilcoxon test). Serum creatinine concentrations slowly restored to normal, and renal replacement was not required. In this patient series, rising serum creatinine concentrations only became detectable after more than 48 hours after paracetamol ingestion. Therefore, renal failure might easily be missed if patients are discharged home before this. Further work is required to establish the prevalence of paracetamol-induced nephrotoxicity, and its clinical significance.
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Affiliation(s)
- WS Waring
- Scottish Poisons Information Bureau, Royal Infirmary of Edinburgh, Edinburgh, UK,
| | - H. Jamie
- Scottish Poisons Information Bureau, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - GE Leggett
- Scottish Poisons Information Bureau, Royal Infirmary of Edinburgh, Edinburgh, UK
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Hengy B, Hayi-Slayman D, Page M, Christin F, Baillon JJ, Ber CE, Allaouchiche B, Rimmelé T. [Acute renal failure after acetaminophen poisoning: report of three cases]. Can J Anaesth 2009; 56:770-4. [PMID: 19639374 DOI: 10.1007/s12630-009-9155-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2009] [Accepted: 07/13/2009] [Indexed: 11/28/2022] Open
Abstract
PURPOSE Management of acetaminophen overdose focuses on the risk hepatic failure. However, acute renal failure, although less frequent, can lead to serious metabolic complications and require hemodialysis. We report three cases of acute renal failure related to acetaminophen overdose. CLINICAL FEATURES Three patients, aged 17-46 yr ingested acetaminophen 19 to 32 g, and were admitted to the intensive care unit because of acute liver failure without hepatic coma. While liver function improved, each patient developed acute renal failure starting on the fourth day. Four sessions of hemodialysis were required in one patient because of anuria. Hepatic function improved from the fourth to the ninth day in each case, whereas renal function recovered later, 10-20 days after ingestion. Investigations were negative for other causes of renal failure, and acute tubular necrosis due to acetaminophen was suspected. CONCLUSION The pathophysiology of this type of acute tubular necrosis remains unclear and thus, there is no specific treatment. Nevertheless, in all cases of acetaminophen overdose, we suggest following serum creatinine levels during the first week, regardless of the degree hepatic failure or quantity of acetaminophen ingested.
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Affiliation(s)
- Baptiste Hengy
- Département d'anesthésie-réanimation, Pavillon P Réanimation, Hôpital Edouard Herriot, Place d'Arsonval, 69003 Lyon, France.
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Benhalim S, Leggett GE, Jamie H, Waring WS. Proteinuria is unrelated to the extent of acute acetaminophen overdose: a prospective clinical study. J Med Toxicol 2009; 4:232-7. [PMID: 19031374 DOI: 10.1007/bf03161206] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND Acute renal failure is a recognized complication of acute acetaminophen overdose. Its detection depends on rising creatinine concentrations, which is an insensitive method. The present study examined whether proteinuria might correspond with the extent of acute acetaminophen exposure as a possible early marker of renal effects. METHODS A prospective case-control study included patients attending the emergency department within 24 hours of acetaminophen ingestion. A urine specimen was collected within 12 hours of hospital attendance for creatinine, albumin, and protein determination. Equivalent 4-hour acetaminophen concentrations were used to indicate drug exposure: mild if >100 g/L (>662 mmol/L), moderate if 100-200 g/L (662-1323 mmol/L), or severe if <200 g/L (<1323 mmol/L). Data are presented as median (interquartile range) and groups compared using Mann Whitney and chi-square tests. RESULTS Seventy patients were studied (17 men, 53 women), age 37 years (23-45 years). The stated acetaminophen dose was 15 g (8-20 g), and interval between ingestion and presentation was 4.6 hours (4.1-7.9 hours). Urinary albumin concentrations were 8 mg/L (0-12 mg/L) in the mild group, 12 mg/L (5-25 mg/L) in the moderate group, and 11 mg/L (6-22 mg/L) in the severe group. Total protein concentrations were 90 mg/L (50-183 mg/L), 70 mg/L (40 to 130 mg/L), and 110 mg/L (75-205 mg/L), respectively. The proportions of patients who had urine albumin:creatinine ratio >3 mg/mmol were 20.8%, 23.5%, and 21.2%, respectively. None of the patients developed acute renal failure. CONCLUSIONS No relationship was found between the extent of acute acetaminophen exposure and proteinuria. Further work is required to examine whether urinary protein excretion is altered in patients who subsequently develop acute renal failure following acetaminophen overdose.
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Affiliation(s)
- Suzanne Benhalim
- Scottish Poisons Information Bureau, Royal Infirmary of Edinburgh, UK
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Mazer M, Perrone J. Acetaminophen-induced nephrotoxicity: pathophysiology, clinical manifestations, and management. J Med Toxicol 2009; 4:2-6. [PMID: 18338302 DOI: 10.1007/bf03160941] [Citation(s) in RCA: 203] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
UNLABELLED Acetaminophen-induced liver necrosis has been studied extensively, but the extrahepatic manifestations of acetaminophen toxicity are currently not described well in the literature. Renal insufficiency occurs in approximately 1-2% of patients with acetaminophen overdose. The pathophysiology of renal toxicity in acetaminophen poisoning has been attributed to cytochrome P-450 mixed function oxidase isoenzymes present in the kidney, although other mechanisms have been elucidated, including the role of prostaglandin synthetase and N-deacetylase enzymes. Paradoxically, glutathione is considered an important element in the detoxification of acetaminophen and its metabolites; however, its conjugates have been implicated in the formation of nephrotoxic compounds. Acetaminophen-induced renal failure becomes evident after hepatotoxicity in most cases, but can be differentiated from the hepatorenal syndrome, which may complicate fulminant hepatic failure. The role of N-acetylcysteine therapy in the setting of acetaminophen-induced renal failure is unclear. This review will focus on the pathophysiology, clinical features, and management of renal insufficiency in the setting of acute acetaminophen toxicity. CASE A 47-year-old female was found lethargic at home and brought by ambulance to an emergency department. History from family members suggested an inadvertent acetaminophen overdose, and she had last been seen a few hours earlier. She reportedly ingested 18 tablets of 500 mg acetaminophen (APAP) over the previous two days because she had run out of her prescription pain medication. Her past medical history was significant for fibromyalgia, arthritis, and a prior gastric bypass procedure. She had no history of alcohol abuse or renal insufficiency. She was lethargic. Vital signs: BP 128/96 mmHg, pulse 112/min, respirations 32/min; pulse oximetry 98% on 2L nasal cannula oxygen. Laboratory studies: BUN 9 mg/dL, creatinine 0.9 mg/dl, acetaminophen 12 mcg/mL, AST 5409 u/L and ALT 1085 u/L. A urinalysis was negative for blood with trace protein and ketones. A urine drug screen was positive for marijuana and opioid metabolites. At the initial hospital, she was treated with N-acetylcysteine (NAC) orally. Subsequently, she developed fulminant hepatic failure with elevated transaminases, hypoglycemia, and coagulopathy (Tables 1A and 1B). She was transferred to our facility two days after initial presentation for liver transplant evaluation. At that time, her APAP level was 2.0 mg/L. Oral NAC therapy was continued after transfer. The patient's liver function subsequently improved and she ultimately did not require transplantation. She did develop acute renal failure during the course of her hospitalization, with a creatinine of 2.3 mg/dL on transfer, which increased to 8.1 mg/dL nine days later (approximately 11-13 days post-ingestion). Medical toxicology was consulted by the intensive care unit team to address whether this was acetaminophen-induced renal failure and if there was a role for NAC in this setting.
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Affiliation(s)
- Maryann Mazer
- Department of Emergency Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.
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Renal injury at first presentation as a predictor for poor outcome in severe paracetamol poisoning referred to a liver transplant unit. Eur J Clin Pharmacol 2008; 65:163-8. [DOI: 10.1007/s00228-008-0580-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2008] [Accepted: 10/05/2008] [Indexed: 01/21/2023]
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Abstract
Acetaminophen is a commonly used antipyretic and analgesic agent. It is safe when taken at therapeutic doses; however, overdose can lead to serious and even fatal hepatotoxicity. The initial metabolic and biochemical events leading to toxicity have been well described, but the precise mechanism of cell injury and death is unknown. Prompt recognition of overdose, aggressive management, and administration of N-acetylcysteine can minimize hepatotoxicity and prevent liver failure and death. Liver transplantation can be lifesaving for those who develop acute liver failure.
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Affiliation(s)
- Anne M Larson
- Division of Gastroenterology, Hepatology Section, University of Washington, 1959 NE Pacific Street, Box 356174, Seattle, WA 98195-6174, USA.
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Hengstler JG, Brulport M, Schormann W, Bauer A, Hermes M, Nussler AK, Fandrich F, Ruhnke M, Ungefroren H, Griffin L, Bockamp E, Oesch F, von Mach MA. Generation of human hepatocytes by stem cell technology: definition of the hepatocyte. Expert Opin Drug Metab Toxicol 2006; 1:61-74. [PMID: 16922653 DOI: 10.1517/17425255.1.1.61] [Citation(s) in RCA: 103] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Since 1999, numerous articles have reported the generation of hepatocytes from different types of extrahepatic stem or precursor cells. This opens exciting new possibilities for pharmacology and toxicology, as well as for cell therapy. Hepatocyte marker expression, including albumin, cytokeratin 18, c-met, alpha-fetoprotein and cytochrome P450 3A4 and -2B6, has been observed after transplantation of different types of human stem cells into the liver of laboratory animals or in vitro after incubation with cytokines. These intriguing observations have prompted scientists to classify stem cell-derived cell populations as hepatocytes. However, this conclusion may be premature. It has been shown that factors of the liver microenvironment can induce expression of a limited number of hepatocyte marker genes in nonhepatic cell types. To conclude on the grounds of a limited number of markers that these cells are true hepatocytes is not indicated. In this case one should carefully evaluate crucial hepatocyte-defining enzymatic properties. The present article: i) reviews studies describing the fate of extrahepatic human stem and precursor cells in livers of laboratory animals, including the possibility of cell fusion; and ii) critically discusses the phenotype of stem cells after application of various differentiation protocols aimed at generating human hepatocytes. In addition, the necessary criteria needed for defining a true hepatocyte are suggested. Establishing the necessary properties for stem cell-derived hepatocytes is timely and reasonable, and thus avoids further misleading semantic confusion. Finally, it is essential to understand that the definition of a bona fide hepatocyte should not be limited to qualitative assays, such as reverse transcriptase polymerase chain reaction and immunohistochemistry, but has to include a quantitative analysis of enzymatic activities, which allows direct comparison with primary hepatocytes. Although the stem cell-derived-hepatocyte does not yet exist there is a good chance that this aim may be achieved in the future.
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Affiliation(s)
- Jan G Hengstler
- University of Leipzig, Center for Toxicology, Institute of Legal Medicine and Rudolf-Boehm Institute of Pharmacology and Toxicology, Haertelstr. 16-18, 04107 Leipzig, Germany.
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