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ANTICOAGULANT EXPOSURE IN GOLDEN EAGLE (AQUILA CHRYSAETOS) POWER LINE ELECTROCUTION AND WIND TURBINE MORTALITIES. J Wildl Dis 2022; 58:348-355. [PMID: 35100409 DOI: 10.7589/jwd-d-21-00144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 11/08/2021] [Indexed: 11/20/2022]
Abstract
Golden Eagles (Aquila chrysaetos) are susceptible to anthropogenic mortality factors, including toxic compounds in the environment such as anticoagulant rodenticides (AR) and sources of man-made energy. The physical and behavioral effects of some toxins may predispose eagles to certain causes of death (COD). To investigate the influence of ARs on mortality of Golden Eagles at wind turbine farms, we randomly tested liver samples from 31 eagles found dead on wind farms and submitted to the National Fish and Wildlife Forensic Laboratory from 2013-20. The comparison group was composed of 31 Golden Eagles sampled during the same time frame with a COD of power line electrocution as a proxy for a relatively lower effort and altitude activity. Associations between COD, AR exposure, sex, and life stage were assessed. In each group, 12 birds (35%) were found to have been exposed to brodifacoum or bromadiolone prior to death. Logistic regression showed no significant association between COD and sex (P=0.194) or life stage (P=0.895). Across both mortality types, life stage was not a significant predictor of AR exposure (P=0.725), but males were more likely to have been exposed to ARs (P=0.032). These findings suggest that there is no difference in the influence of anticoagulant exposure on higher and lower altitude activity in Golden Eagles.
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Lappas NT, Lappas CM. Analytical Samples. Forensic Toxicol 2022. [DOI: 10.1016/b978-0-12-819286-3.00012-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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3
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Lochner HL, Martinson KL, Bianco AW, Hutchinson ML, Wilson ML, Johnston LJ, Dentzman KE. Owner and Veterinarian Perceptions of Equine Euthanasia and Mortality Composting. J Equine Vet Sci 2021; 99:103402. [PMID: 33781423 DOI: 10.1016/j.jevs.2021.103402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 10/22/2022]
Abstract
Challenges associated with burial, rendering, and cremation have forced horse owners to seek alternative mortality disposal methods. While equine mortality composting has been successfully demonstrated, industry-wide adoption has been limited. Therefore, evaluation of horse owners' and veterinarians' perceptions and experience with mortality composting is needed. Two surveys were developed to evaluate industry practices and decisive factors regarding equine euthanasia and mortality disposal methods. Each survey was designed for a separate audience: horse owners or veterinarians serving equines. The surveys were advertised as weblinks on relevant Facebook pages, e-newsletters, and email listservs. Data were analyzed using bivariate and multivariate models for associations and factors influencing decisions surrounding composting. The surveys yielded 1,225 and 244 usable responses from horse owners and veterinarians, respectively. Respondent demographics were consistent with previous survey reports for horse owners and veterinarians in the United States with a majority being female between 41 and 60 years of age with long-term industry involvement. Horse owners (86%) and veterinarians (84%) that preferred chemical euthanasia tended to prefer burial (58% and 42%, respectively) over other mortality disposal methods. Only 12% of horse owner respondents had ever tried composting and only 25% of veterinarian respondents had ever recommended composting. Horse owner (47%) and veterinarian (67%) respondents indicated they would be more open to trying and recommending mortality composting if more scientific research were available. Equine mortality composting shows potential as a primary disposal method for the equine industry. Research and educational programs are key to industry-wide acceptance of equine mortality composting.
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Affiliation(s)
- Hannah L Lochner
- Department of Animal Science, University of Minnesota, Saint Paul, MN
| | | | - Alex W Bianco
- University of Minnesota, College of Veterinary Medicine, St. Paul, MN
| | | | - Melissa L Wilson
- Department of Soil, Water and Climate, University of Minnesota, St. Paul, MN
| | - Lee J Johnston
- Department of Animal Science, University of Minnesota, Saint Paul, MN
| | - Katherine E Dentzman
- Department of Agricultural Economics and Rural Sociology, University of Idaho, Moscow, ID
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Trujillo Uruena M, York R, Philp M, Kuzhiumparambil U, Wei Z, Yun K, Fu S. Identification of Unique 4-Methylmethcathinone (4-MMC) Degradation Markers in Putrefied Matrices†. J Anal Toxicol 2020; 44:803-810. [PMID: 33313885 DOI: 10.1093/jat/bkaa041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 03/02/2020] [Accepted: 04/08/2020] [Indexed: 11/13/2022] Open
Abstract
Drug degradation as a consequence of putrefactive bacterial activity is a well-known factor that affects the identification and quantitation of certain substances of forensic interest. Current knowledge on putrefaction-mediated degradation of drugs is, however, significantly lacking. This study aimed to investigate the degradation of 4-methylmethcathinone (4-MMC or mephedrone) and to detect its degradation products in putrefied biological matrices containing 4-MMC. The bacteria species Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae and Proteus vulgaris were grown in brain-heart infusion broth, spiked with 4-MMC and incubated at 37°C for 24 h. Postmortem human blood and fresh porcine liver macerate were also left to putrefy in sample tubes at room temperature for 1 week. Structural elucidation was based on modern spectroscopic analyses including the use of high-resolution mass spectrometry and nuclear magnetic resonance spectroscopy. All four putrefactive bacteria were capable of degrading 4-MMC extensively under the experimental conditions explored. Of particular interest was the discovery of a novel degradation product common to all four bacterial species, which was assigned as 2-hydroxy-1-(4-methylphenyl)propan-1-one (HMP) based on the spectroscopic data. This degradation product was detectable in both postmortem human blood and porcine liver samples. The stability of the identified degradation products, especially HMP, should be further investigated to assess their validity of serving as marker analytes for monitoring 4-MMC in postmortem toxicology.
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Affiliation(s)
- Melissa Trujillo Uruena
- Centre for Forensic Science, University of Technology Sydney, 15 Broadway, Ultimo, New South Wales 2007, Australia
| | - Rebekah York
- Centre for Forensic Science, University of Technology Sydney, 15 Broadway, Ultimo, New South Wales 2007, Australia
| | - Morgan Philp
- Centre for Forensic Science, University of Technology Sydney, 15 Broadway, Ultimo, New South Wales 2007, Australia
| | | | - Zhiwen Wei
- School of Forensic Medicine, Shanxi Medical University, 98 University Street, Yuci District, Jinzhong City 030606, Shanxi, People's Republic of China
| | - Keming Yun
- School of Forensic Medicine, Shanxi Medical University, 98 University Street, Yuci District, Jinzhong City 030606, Shanxi, People's Republic of China
| | - Shanlin Fu
- Centre for Forensic Science, University of Technology Sydney, 15 Broadway, Ultimo, New South Wales 2007, Australia.,School of Forensic Medicine, Shanxi Medical University, 98 University Street, Yuci District, Jinzhong City 030606, Shanxi, People's Republic of China
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Bolte K, Dziadosz M, Kono N, Vennemann B, Klintschar M, Teske J. Determination of drugs in exhumed liver and brain tissue after over 9 years of burial by liquid chromatography-tandem mass spectrometry-Part 1: Cardiovascular drugs. Drug Test Anal 2020; 13:595-603. [PMID: 33017092 DOI: 10.1002/dta.2940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/17/2020] [Accepted: 09/25/2020] [Indexed: 11/06/2022]
Abstract
This paper should serve as support for future exhumations in which an analysis of cardiovascular drugs is issued after over 9 years of burial. Amiodarone, amlodipine, atropine, bisoprolol, cafedrine, clonidine, esmolol, furosemide, hydrochlorothiazide, lisinopril, nifedipine, nitrendipine, phenprocoumon, torsemide verapamil, and xipamide were determined in liver and brain tissue of over 100 cases in which exhumation was performed after over 9 years of burial. Diagrams, showing the detectability depending on postmortem period as well as condition of tissues, are presented for furosemide.
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Affiliation(s)
- Katarina Bolte
- Hannover Medical School, Institute for Forensic Medicine, Hannover, Niedersachsen, Germany
| | - Marek Dziadosz
- Hannover Medical School, Institute for Forensic Medicine, Hannover, Niedersachsen, Germany
| | - Naomi Kono
- Hannover Medical School, Institute for Forensic Medicine, Hannover, Niedersachsen, Germany
| | - Benedikt Vennemann
- Hannover Medical School, Institute for Forensic Medicine, Oldenburg, Niedersachsen, Germany
| | - Michael Klintschar
- Hannover Medical School, Institute for Forensic Medicine, Hannover, Niedersachsen, Germany
| | - Jörg Teske
- Hannover Medical School, Institute for Forensic Medicine, Hannover, Niedersachsen, Germany
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Goren IE, Gokce Daglioglu N, Daglioglu YK, Gülmen MK. Determination of drug distributions in decomposed and buried postmortem tissues and bones of pigs administered of drugs. Forensic Toxicol 2019. [DOI: 10.1007/s11419-019-00497-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Bagsby C, Saha A, Goodin G, Siddiqi S, Farone M, Farone A, Kline PC. Stability of pentobarbital in soil. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2018; 53:207-213. [PMID: 29286885 DOI: 10.1080/03601234.2017.1406714] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Intravenous injection of barbiturates, particularly pentobarbital (5-ethyl-5-pentan-2-yl-1,3-diazinane-2,4,5-trione), is a widely used method to euthanize large animals such as horses. However, one concern with this method is the fate of pentobarbital after the disposal of the carcass. As tissues decompose, pentobarbital may leach into the soil and from there migrate to groundwater. A method using methanol extraction, solid phase concentration, and liquid chromatography (LC/MS) has been developed to measure pentobarbital in soils. Recovery of pentobarbital from soil averaged approximately 85% from different soil types including topsoil, potting soil, sand, stall sweepings, and loam. The method was capable of detecting pentobarbital levels of 0.1 ppm. A calibration curve was constructed with a linear range of 1 ppm to 100 ppm. The limit of quantification was 0.5 ppm. The rate of degradation of pentobarbital in sand, topsoil, and potting soil was measured over a 17-week period. At the end of week 17, approximately 17% of the pentobarbital remained in the sand, 19% remained in the topsoil, and 10% remained in the potting soil. While there was a significant decrease in the pentobarbital recovered from the soil, there were still detectable amounts of pentobarbital present in the soil after 17 weeks. To determine the importance of bacterial degradation, the three soil types were autoclaved before addition of pentobarbital. After autoclaving, no degradation of pentobarbital was observed in sand and one topsoil sample, while there was no difference in the degradation of pentobarbital in autoclaved potting soil versus potting soil that had not undergone autoclaving.
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Affiliation(s)
- Chasity Bagsby
- a Department of Chemistry , Middle Tennessee State University , Murfreesboro , Tennessee , USA
| | - Anita Saha
- a Department of Chemistry , Middle Tennessee State University , Murfreesboro , Tennessee , USA
| | - Granville Goodin
- a Department of Chemistry , Middle Tennessee State University , Murfreesboro , Tennessee , USA
| | - Sheeba Siddiqi
- a Department of Chemistry , Middle Tennessee State University , Murfreesboro , Tennessee , USA
| | - Mary Farone
- b Department of Biology , Middle Tennessee State University , Murfreesboro , Tennessee , USA
| | - Anthony Farone
- b Department of Biology , Middle Tennessee State University , Murfreesboro , Tennessee , USA
| | - Paul C Kline
- a Department of Chemistry , Middle Tennessee State University , Murfreesboro , Tennessee , USA
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Morrison LM, Unger KA, Watterson JH. Analysis of Dextromethorphan and Dextrorphan in Skeletal Remains Following Differential Microclimate Exposure: Comparison of Acute vs. Repeated Drug Exposure. J Anal Toxicol 2017; 41:566-572. [DOI: 10.1093/jat/bkx040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 06/01/2017] [Indexed: 11/14/2022] Open
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9
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Unger KA, Watterson JH. Analysis of Dextromethorphan and Dextrorphan in Skeletal Remains Following Decomposition in Different Microclimate Conditions. J Anal Toxicol 2016; 40:669-676. [DOI: 10.1093/jat/bkw083] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 05/30/2016] [Indexed: 01/26/2023] Open
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10
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AbouZied EM. Postmortem Attraction of Sarcosaprophagous Diptera to Tramadol-Treated Rats and Morphometric Aspects of the Developed Larvae. NEOTROPICAL ENTOMOLOGY 2016; 45:326-332. [PMID: 26931613 DOI: 10.1007/s13744-016-0375-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 01/28/2016] [Indexed: 06/05/2023]
Abstract
The presence of some specific drugs in animal tissues may affect the time of minimal postmortem intervals estimated during forensic entomological investigations. To test the effects of a specific drug on decomposition, a field study was conducted at Fayoum University campus, Egypt, from March to May 2013, using tramadol, a synthetic analgesic opioid used to treat moderate to severe pain in humans. Albino rats were used as the animal model during this study. The duration of the fresh stage of tramadol treated rat (Ttr) carcasses was significantly shorter (2.4 ± 0.27 days) compared to tramadol free rat (Tfr) carcasses (6.4 ± 0.49 days). The dry carcass stage of Ttr lasted longer (10.3 ± 0.99 days) as compared to (7.4 ± 0.18 days) the Tfr carcass. The decomposition process of the (Ttr) carcass was not significantly faster (24.9 ± 1.58 days) as compared to (Tfr) carcasses (29.5 ± 1.69). Lucilia cuprina (Wiedemann), Chrysomya albiceps (Wiedemann), and Musca domestica L. were less attracted to Ttr carcass-baited traps than traps with Tfr carcasses. However, females of Sarcophaga spp. showed a greater attraction to Ttr carcasses. Females of another sarcophagid fly, Wohlfahrtia spp. exhibited similar attraction tendencies to both types of trap baits. Larvae of S. argyrostoma (Robineau-Desvoidy) collected from Ttr carcasses developed to a significantly longer total body length (10.4 ± 0.04 mm) as compared to the average length of the larvae collected from Tfr carcasses (8.9 ± 0.34 mm). During days 9-13 after rat death, the relative lengths of larvae from Ttr carcasses were not significantly different from Tfr carcasses. Larvae fed on Ttr carcasses pupated 2 days later than the control larvae.
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Affiliation(s)
- E M AbouZied
- Dept of Zoology, Fac of Science, Fayoum Univ, P.O Box: 63514, Tawfik El-Hakeem, Al Fayoum, Egypt.
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Wenholz DS, Luong S, Philp M, Forbes SL, Stuart BH, Drummer OH, Fu S. A study to model the post-mortem stability of 4-MMC, MDMA and BZP in putrefying remains. Forensic Sci Int 2016; 265:54-60. [PMID: 26829335 DOI: 10.1016/j.forsciint.2016.01.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 11/25/2015] [Accepted: 01/08/2016] [Indexed: 11/16/2022]
Abstract
There is currently limited data available on the stabilities of the three stimulants 4-methylmethcathinone (4-MMC), 3,4-methylenedioxymethamphetamine (MDMA) and N-benzylpiperazine (BZP) in a putrefying matrix. A Gas Chromatography Mass Spectrometry (GC-MS) method to determine the concentration of the three drugs in putrefying porcine liver over a three month period was developed and validated. Both 4-MMC and BZP were found to be unstable, becoming undetectable and having an average recovery of 52% respectively after one month at ambient room temperature (20°C). MDMA was found to be moderately stable, with an average recovery of 74% after three months at room temperature. This study indicated that the putrefaction process could have a significant impact on concentrations of 4-MMC and BZP in post-mortem cases involving putrefied remains.
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Affiliation(s)
- Daniel S Wenholz
- Centre for Forensic Science, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW, 2007, Australia
| | - Susan Luong
- Centre for Forensic Science, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW, 2007, Australia
| | - Morgan Philp
- Centre for Forensic Science, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW, 2007, Australia
| | - Shari L Forbes
- Centre for Forensic Science, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW, 2007, Australia
| | - Barbara H Stuart
- Centre for Forensic Science, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW, 2007, Australia
| | - Olaf H Drummer
- Department of Forensic Medicine, Monash University and Victorian Institute of Forensic Medicine, 65 Kavanagh Street, Southbank, VIC, 3006, Australia
| | - Shanlin Fu
- Centre for Forensic Science, University of Technology Sydney (UTS), 15 Broadway, Ultimo, NSW, 2007, Australia.
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13
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Cattaneo C, Maderna E, Rendinelli A, Gibelli D. Animal experimentation in forensic sciences: How far have we come? Forensic Sci Int 2015. [PMID: 26216717 DOI: 10.1016/j.forsciint.2015.06.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
In the third millennium where ethical, ethological and cultural evolution seem to be leading more and more towards an inter-species society, the issue of animal experimentation is a moral dilemma. Speaking from a self-interested human perspective, avoiding all animal testing where human disease and therapy are concerned may be very difficult or even impossible; such testing may not be so easily justifiable when suffering-or killing-of non human animals is inflicted for forensic research. In order to verify how forensic scientists are evolving in this ethical issue, we undertook a systematic review of the current literature. We investigated the frequency of animal experimentation in forensic studies in the past 15 years and trends in publication in the main forensic science journals. Types of species, lesions inflicted, manner of sedation or anesthesia and euthanasia were examined in a total of 404 articles reviewed, among which 279 (69.1%) concerned studies involving animals sacrificed exclusively for the sake of the experiment. Killing still frequently includes painful methods such as blunt trauma, electrocution, mechanical asphyxia, hypothermia, and even exsanguination; of all these animals, apparently only 60.8% were anesthetized. The most recent call for a severe reduction if not a total halt to the use of animals in forensic sciences was made by Bernard Knight in 1992. In fact the principle of reduction and replacement, frequently respected in clinical research, must be considered the basis for forensic science research needing animals.
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Affiliation(s)
- C Cattaneo
- LABANOF, Laboratorio di Antropologia e Odontologia Forense Sezione di Medicina Legale Dipartimento di Scienze Biomediche per la Salute Università degli Studi di Milano, V. Mangiagalli 37, 20133 Milan, Italy.
| | - E Maderna
- LABANOF, Laboratorio di Antropologia e Odontologia Forense Sezione di Medicina Legale Dipartimento di Scienze Biomediche per la Salute Università degli Studi di Milano, V. Mangiagalli 37, 20133 Milan, Italy
| | - A Rendinelli
- LABANOF, Laboratorio di Antropologia e Odontologia Forense Sezione di Medicina Legale Dipartimento di Scienze Biomediche per la Salute Università degli Studi di Milano, V. Mangiagalli 37, 20133 Milan, Italy
| | - D Gibelli
- LABANOF, Laboratorio di Antropologia e Odontologia Forense Sezione di Medicina Legale Dipartimento di Scienze Biomediche per la Salute Università degli Studi di Milano, V. Mangiagalli 37, 20133 Milan, Italy
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Holm KMD, Linnet K. Distribution of enantiomers of methadone and its main metabolite EDDP in human tissues and blood of postmortem cases. J Forensic Sci 2014; 60:95-101. [PMID: 25421110 DOI: 10.1111/1556-4029.12627] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 02/03/2014] [Accepted: 02/10/2014] [Indexed: 11/28/2022]
Abstract
Knowledge concerning the distribution of methadone in postmortem human tissue and the effect of postmortem redistribution on methadone is today limited making the choice of a suitable substitute for femoral blood difficult when this is not available. Cardiac blood, femoral blood, muscle, and brain tissue concentrations of the enantiomers of methadone and its metabolite 2-ethyl-1,5-dimethyl-3,3-diphenylpyrrolinium were recorded for 155 postmortem cases. Brain and muscle tissue concentrations exceeded the femoral blood concentrations with a median fold of 2.3 and 1.6, respectively, but both had a better correlation than cardiac blood to femoral blood concentrations. The Kruskal-Wallis test showed a significant dependency on time and body mass index for some of the matrix ratios over femoral blood. We conclude brain or muscle tissue may constitute a better alternative for measurement of methadone than cardiac blood for situations in which femoral blood is not available, despite concentrations in both matrices being systematically higher.
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Affiliation(s)
- Karen Marie Dollerup Holm
- Section of Forensic Chemistry, Department of Forensic Medicine, Faculty of Health Sciences, University of Copenhagen, Frederik V's Vej 11, DK-2100, Copenhagen, Denmark
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Usui K, Hashiyada M, Hayashizaki Y, Igari Y, Hosoya T, Sakai J, Funayama M. Application of modified QuEChERS method to liver samples for forensic toxicological analysis. Forensic Toxicol 2013. [DOI: 10.1007/s11419-013-0199-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Bierton C, Gilbert JD, Kostakis C, Langlois NEI. Route of drug administration may influence toxicological levels in the liver. J Clin Pathol 2013; 66:630-1. [PMID: 23418338 DOI: 10.1136/jclinpath-2013-201462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Butzbach DM, Stockham PC, Kobus HJ, Sims DN, Byard RW, Lokan RJ, Walker GS. Stability of Serotonin-Selective Antidepressants in Sterile and Decomposing Liver Tissue,. J Forensic Sci 2012; 58 Suppl 1:S117-25. [DOI: 10.1111/j.1556-4029.2012.02266.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2011] [Revised: 09/03/2011] [Accepted: 11/01/2011] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Hilton J. Kobus
- School of Chemical and Physical Sciences, Flinders University; Bedford Park; SA; 5042; Australia
| | | | | | - Robert J. Lokan
- Forensic Science South Australia; 21 Divett Place; Adelaide; SA; 5000; Australia
| | - G. Stewart Walker
- School of Chemical and Physical Sciences, Flinders University; Bedford Park; SA; 5042; Australia
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Abstract
The principles and procedures employed in a modern forensic toxicology lab are detailed in this review. Aspects of Behavioral and Postmortem toxicology, including certification of analysts and accreditation of labs, chain of custody requirements, typical testing services provided, rationale for specimen selection, and principles of quality assurance are discussed. Interpretation of toxicology results in postmortem specimens requires the toxicologist and pathologist to be cognizant of drug-drug interactions, drug polymorphisms and pharmacogenomics, the gross signs of toxic pathology, postmortem redistribution, confirmation of systemic toxicity in suspected overdoses, the possibility of developed tolerance, and the effects of decomposition on drug concentration.
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Affiliation(s)
- John F Wyman
- Toxicology Department, Cuyahoga County Region Forensic Science Laboratory, Cuyahoga County Medical Examiner's Office, 11001 Cedar Avenue, Cleveland, OH 44106, USA.
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de Carvalho LML, Linhares AX, Badan Palhares FA. The effect of cocaine on the development rate of immatures and adults of Chrysomya albiceps and Chrysomya putoria (Diptera: Calliphoridae) and its importance to postmortem interval estimate. Forensic Sci Int 2012; 220:27-32. [DOI: 10.1016/j.forsciint.2012.01.023] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2011] [Revised: 12/27/2011] [Accepted: 01/12/2012] [Indexed: 11/29/2022]
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21
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Rees KA, McLaughlin PA, Osselton MD. Validation of a Gas Chromatography–Ion Trap-Tandem Mass Spectrometry Assay for the Simultaneous Quantification of Cocaine, Benzoylecgonine, Cocaethylene, Morphine, Codeine, and 6-Acetylmorphine in Aqueous Solution, Blood, and Skeletal Muscle Tissue. J Anal Toxicol 2012; 36:1-11. [DOI: 10.1093/jat/bkr006] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Desrosiers NA, Watterson JH, Dean D, Wyman JF. Detection of Amitriptyline, Citalopram, and Metabolites in Porcine Bones Following Extended Outdoor Decomposition*. J Forensic Sci 2011; 57:544-9. [DOI: 10.1111/j.1556-4029.2011.01994.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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