Possible gasoline-induced chronic liver injury due to occupational malpractice in a motor mechanic: a case report

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Abstract

Background

Hydrocarbon-induced occupational liver injury is a well-known clinical entity among petroleum industry workers. There are many types of hydrocarbon exposure, with inhalation being the most common. Hydrocarbon-induced occupational liver injury is a rarely suspected and commonly missed etiological agent for liver injury. We report a case of a non-petroleum industry worker with chronic liver disease secondary to hydrocarbon-induced occupational liver injury caused by chronic low-grade hydrocarbon ingestion due to occupational malpractice.

Case presentation

A 23-year-old Sri Lankan man who was a motor mechanic presented to our hospital with decompensated cirrhosis. He had been chronically exposed to gasoline via inadvertent ingestion due to occupational malpractice. He used to remove gasoline from carburetors by sucking and failed to practice mouth washing thereafter. On evaluation, he had histologically proven established cirrhosis. A comprehensive history and workup ruled out other nonoccupational etiologies for cirrhosis. The patient’s long-term occupational gasoline exposure and clinical course led us to a diagnosis of hydrocarbon-induced occupational liver injury leading to decompensated cirrhosis.

Conclusions

Hydrocarbon-induced occupational liver injury should be considered as a cause when evaluating a patient with liver injury with possible exposure in relevant occupations.

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Most cited references 9

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2013 Annual Report of the American Association of Poison Control Centers’ National Poison Data System (NPDS): 31st Annual Report

James B Mowry, Daniel A. Spyker, Louis Cantilena … (2014)

ABSTRACT Background: This is the 31st Annual Report of the American Association of Poison Control Centers’ (AAPCC) National Poison Data System (NPDS). As of January 1, 2013, 57 of the nation's poison centers (PCs) uploaded case data automatically to NPDS. The upload interval was 8.08 [7.10, 11.63] (median [25%, 75%]) minutes, creating a near real-time national exposure and information database and surveillance system. Methodology: We analyzed the case data tabulating specific indices from NPDS. The methodology was similar to that of previous years. Where changes were introduced, the differences are identified. Poison center (PC) cases with medical outcomes of death were evaluated by a team of 38 medical and clinical toxicologist reviewers using an ordinal scale of 1–6 to assess the Relative Contribution to Fatality (RCF) of the exposure to the death. Results: In 2013, 3,060,122 closed encounters were logged by NPDS: 2,188,013 human exposures, 59,496 animal exposures, 806,347 information calls, 6,116 human-confirmed nonexposures, and 150 animal-confirmed nonexposures. Total encounters showed a 9.3% decline from 2012, while health care facility human exposure calls were essentially flat, decreasing by 0.1%.All information calls decreased 21.4% and health care facility (HCF) information calls decreased 8.5%, medication identification requests (drug ID) decreased 26.8%, and human exposures reported to US PCs decreased 3.8%. Human exposures with less serious outcomes have decreased 3.7% per year since 2008 while those with more serious outcomes (moderate, major or death) have increased by 4.7% per year since 2000. The top five substance classes most frequently involved in all human exposures were analgesics (11.5%), cosmetics/personal care products (7.7%), household cleaning substances (7.6%), sedatives/hypnotics/antipsychotics (5.9%), and antidepressants (4.2%). Sedative/hypnotics/antipsychotics exposures as a class increased most rapidly (2,559 calls/year) over the last 13 years for cases showing more serious outcomes. The top five most common exposures in children of 5 years or less were cosmetics/personal care products (13.8%), household cleaning substances (10.4%), analgesics (9.8%), foreign bodies/toys/miscellaneous (6.9%), and topical preparations (6.1%). Drug identification requests comprised 50.7% of all information calls. NPDS documented 2,477 human exposures resulting in death with 2,113 human fatalities judged related (RCF of 1, undoubtedly responsible; 2, probably responsible; or 3, contributory). Conclusions: These data support the continued value of PC expertise and need for specialized medical toxicology information to manage the more severe exposures, despite a decrease in calls involving less severe exposures. Unintentional and intentional exposures continue to be a significant cause of morbidity and mortality in the United States. The near real-time, always current status of NPDS represents a national public health resource to collect and monitor US exposure cases and information calls. The continuing mission of NPDS is to provide a nationwide infrastructure for public health surveillance for all types of exposures, public health event identification, resilience response and situational awareness tracking. NPDS is a model system for the nation and global public health.

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Development and validation of a clinical scale for the diagnosis of drug-induced hepatitis.

Rui Victorino, V Santa-María (1997)

The objective of this study is to present and validate a clinical scale for the diagnosis of drug-induced liver injury (DILI). Five components were selected to be included in the scale: temporal relationship between drug intake and the onset of clinical picture, exclusion of alternative causes, extrahepatic manifestations, rechallenge or accidental re-exposure, and previous report in medical literature. The relative importance of each component was weighed, and arbitrary scores were attributed. The probability of the diagnosis of DILI was expressed as a final score, which could vary from -6 to 20. Content validity, criterion validity, construct validity, and inter-rater reliability were studied. To analyze validity and reliability, a random sample of 50 cases of suspected DILI was drawn from a series of 120 cases reported to our unit. The classification of the 50 cases by three experts in DILI was used as the external standard in the study of criterion validity. Agreement between the scale and the standard, and agreement between two independent raters (inter-rater reliability) was analyzed by weighted kappa coefficient. There was agreement between the scale and the standard in 42 cases (84%) with a weighted kappa coefficient of 0.90. A good discriminatory capacity of the scale was found when construct validity was studied. Agreement between raters was observed in 86% of the cases, corresponding to the weighted kappa of 0.93. In conclusion, the clinical scale was shown to have a high-level of validity and inter-rater reliability as well as a good discriminatory capacity between different levels of probability. These data suggest that the scale is suitable for use in clinical practice and may contribute to overcome the difficulties in the process of causality assessment in DILI.

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Industrial solvents and liver toxicity: risk assessment, risk factors and mechanisms.

N Brautbar, J. Williams (2002)

Organic solvents utilized in various industrial processes may be associated with hepatotoxicity. The hepatotoxicity of some of the solvents was recognized as early as 1887, 1889 and 1904. Factors contributing to the hepatotoxicity of solvents include 1) species differences, 2) liver blood flow, 3) protein binding, 4) point of binding intracellularly, 5) genetic factors, 6) different cellular enzymatic degradation, 7) age, 8) nutritional condition, 9) interaction with alcohol, and 10) interaction with medications of use and abuse. The hepatotoxicity of solvents in general and of carbon tetrachloride, trichloroethylene, tetrachloroethylene, toluene, and 1,1,1-trichloroethene are discussed. Experimental animal data, human data, and in vitro studies are explored. Suggested mechanisms of direct toxicity, indirect toxicity and autoimmune mechanisms are elaborated. The most important message from this review is that laboratory testing that is commonly used by clinicians to detect liver toxicity may not be sensitive enough to detect early liver hepatotoxicity from industrial solvents and new methodologies are being encouraged and utilized in the early recognition and diagnosis of hepatotoxicity for solvents. The final clinical assessment of hepatotoxicity and industrial solvents must take into account synergism with medications, drugs of use and abuse, alcohol, age, and nutrition. Early recognition and reporting will be helpful in further understanding the incidence, cofactors and possible mechanisms.

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Author and article information

Contributors

Mahesh Lakmal Gunathilaka: lakmal.mahesh@gmail.com

Madunil Anuk Niriella: +94 11 2953409 , maduniln@yahoo.co.uk

Nathasha Vihangi Luke: nathashaluke@gmail.com

Chathura Lakmal Piyarathna: taclpiyarathna@gmail.com

Rohan Chaminda Siriwardena: rohansiriwardena@yahoo.com

Arjuna Priyadarshin De Silva: apdsilva@yahoo.com

Hithanadura Janaka de Silva: hjanakadesilva@gmail.com

Journal

Journal ID (nlm-ta): J Med Case Rep

Journal ID (iso-abbrev): J Med Case Rep

Title: Journal of Medical Case Reports

Publisher: BioMed Central (London )

ISSN (Electronic): 1752-1947

Publication date (Electronic): 3 July 2017

Publication date PMC-release: 3 July 2017

Publication date Collection: 2017

Volume: 11

Electronic Location Identifier: 179

Affiliations

[1 ]GRID grid.470189.3, University Medical Unit, , Colombo North Teaching Hospital, ; Ragama, Sri Lanka

[2 ]ISNI 0000 0000 8631 5388, GRID grid.45202.31, Department of Medicine, , Faculty of Medicine, University of Kelaniya, ; PO Box 6, Thalagolla Road, Ragama, GQ 11010 Sri Lanka

Article

Publisher ID: 1352

DOI: 10.1186/s13256-017-1352-x

PMC ID: 5494821

PubMed ID: 28669353

SO-VID: 5ed93a4f-4bb9-4c75-bc49-a1f54706a2fc

License:

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

History

Date received : 7 April 2017

Date accepted : 8 June 2017

Custom metadata

ScienceOpen disciplines: Medicine

Keywords: hydrocarbon,gasoline,occupational liver injury,chronic liver injury,cirrhosis,case report

Data availability:

ScienceOpen disciplines: Medicine

Keywords: hydrocarbon, gasoline, occupational liver injury, chronic liver injury, cirrhosis, case report

Possible gasoline-induced chronic liver injury due to occupational malpractice in a motor mechanic: a case report

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Abstract

Background

Case presentation

Conclusions

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ScienceOpen Clinical Case Reports Collection

Most cited references 9

2013 Annual Report of the American Association of Poison Control Centers’ National Poison Data System (NPDS): 31st Annual Report

Development and validation of a clinical scale for the diagnosis of drug-induced hepatitis.

Industrial solvents and liver toxicity: risk assessment, risk factors and mechanisms.

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