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Quality of life is significantly impaired in long-term survivors of acute liver failure and particularly in acetaminophen-overdose patients.

ABSTRACT: Functional outcomes for long-term survivors of acute liver failure (ALF) are not well characterized. The aim of this prospective study was to determine health-related quality of life in long-term adult ALF survivors. Acute Liver Failure Study Group registry participants completed the Centers for Disease Control and Prevention Health-Related Quality of Life 14 and Short Form 36 (SF-36) questionnaires at 1- and/or 2-year follow-up study visits. Responses were compared among ALF subgroups and to those for available general US population controls. Among the 282 adult ALF patients, 125 had undergone liver transplantation (LT), whereas 157, including 95 acetaminophen overdose (APAP) patients and 62 non-APAP patients, were spontaneous survivors (SSs). APAP SS patients reported significantly lower general health scores and more days of impaired mental and physical health, activity limitations due to poor health, pain, depression, and anxiety in comparison with the other groups (P???0.001). There were no significant differences in coma grade or in the use of mechanical ventilation or intracranial pressure monitoring among the patient groups during their ALF hospitalization, but APAP SSs had significantly higher rates of psychiatric disease and substance abuse (P?

SUBMITTER: Rangnekar AS

PROVIDER: S-EPMC3775983 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature

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Quality of life is significantly impaired in long-term survivors of acute liver failure and particularly in acetaminophen-overdose patients.

Rangnekar Amol S AS Ellerbe Caitlyn C Durkalski Valerie V McGuire Brendan B Lee William M WM Fontana Robert J RJ

Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society 20130818 9

Functional outcomes for long-term survivors of acute liver failure (ALF) are not well characterized. The aim of this prospective study was to determine health-related quality of life in long-term adult ALF survivors. Acute Liver Failure Study Group registry participants completed the Centers for Disease Control and Prevention Health-Related Quality of Life 14 and Short Form 36 (SF-36) questionnaires at 1- and/or 2-year follow-up study visits. Responses were compared among ALF subgroups and to th ...[more]

PMID: 23780824

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Project description:Introduction. Acetaminophen is a common medication involved in deliberate and accidental self-poisoning. The acetaminophen treatment nomogram is used to guide acetylcysteine treatment. It is rare to develop hepatotoxicity with an initial acetaminophen concentration below the nomogram line. We present a case of acetaminophen ingestion with an initial concentration below the nomogram line that developed hepatic failure, due to a delayed peak acetaminophen concentration secondary to coingesting medications that slow gastric emptying. Case Report. A 43-year-old (55 kg) female presented after ingesting an unknown quantity of acetaminophen, clonidine, and alcohol. Her acetaminophen level was 41 mg/L (256 μmol/L) at 4.5 h post-ingestion, well below the nomogram line, and ALT was 25 U/L. Hence, acetylcysteine was not commenced. She was intubated for decreased level of conscious. A repeat acetaminophen level 4 h later was 39 mg/L (242 μmol/L), still below the nomogram line. She was extubated 24 h later.At 38 h post-ingestion she developed abdominal pain, the repeat acetaminophen level was 85 mg/L (560 μmol/L), ALT was 489 U/L, and acetylcysteine was commenced. The patient developed hepatic failure with a peak ALT of 7009 U/L and INR of 7.5 but made a full recovery. It was discovered that she had ingested a combination acetaminophen product containing dextromethorphan and chlorphenamine. Acetaminophen metabolites were measured, including nontoxic glucuronide and sulfate conjugates and toxic cytochrome P450 (CYP) metabolites. The metabolite data demonstrated increasing CYP metabolites in occurrence with the delayed acetaminophen peak concentration. Discussion. Opioids and antimuscarinic agents are known to delay gastric emptying and clonidine may also have contributed. These coingested medications resulted in delayed acetaminophen absorption. This case highlights the issue of altered pharmacokinetics when patients coingest gut slowing agents.

Project description:IntroductionSystemic levels of the anti-inflammatory cytokine interleukin 10 (IL-10) are highest in acetaminophen (APAP)-induced acute liver failure (ALF) patients with the poorest prognosis. The mechanistic basis for this counterintuitive finding is not known, as induction of IL-10 is hypothesized to temper the pathological effects of immune cell activation. Aberrant production of IL-10 after severe liver injury could conceivably interfere with the beneficial, pro-reparative actions of immune cells, such as monocytes.MethodsTo test this possibility, we determined whether IL-10 levels are dysregulated in mice with APAP-induced ALF and further evaluated whether aberrant production of IL-10 prevents monocyte recruitment and/or the resolution of necrotic lesions by these cells.ResultsOur studies demonstrate that in mice challenged with 300 mg/kg acetaminophen (APAP), a hepatotoxic dose of APAP that fails to produce ALF (i.e., APAP-induced acute liver injury; AALI), Ly6Chi monocytes were recruited to the liver and infiltrated the necrotic lesions by 48 hours coincident with the clearance of dead cell debris. At 72 hours, IL-10 was upregulated, culminating in the resolution of hepatic inflammation. By contrast, in mice treated with 600 mg/kg APAP, a dose that produces clinical features of ALF (i.e., APAP-induced ALF; AALF), IL-10 levels were markedly elevated by 24 hours. Early induction of IL-10 was associated with a reduction in the hepatic numbers of Ly6Chi monocytes resulting in the persistence of dead cell debris. Inhibition of IL-10 in AALF mice, beginning at 24 hours after APAP treatment, increased the hepatic numbers of monocytes which coincided with a reduction in the necrotic area. Moreover, pharmacologic elevation of systemic IL-10 levels in AALI mice reduced hepatic myeloid cell numbers and increased the area of necrosis.DiscussionCollectively, these results indicate that during ALF, aberrant production of IL-10 disrupts the hepatic recruitment of monocytes, which prevents the clearance of dead cell debris. These are the first studies to document a mechanistic basis for the link between high IL-10 levels and poor outcome in patients with ALF.

Dataset Information

Quality of life is significantly impaired in long-term survivors of acute liver failure and particularly in acetaminophen-overdose patients.

Publications

Quality of life is significantly impaired in long-term survivors of acute liver failure and particularly in acetaminophen-overdose patients.

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