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1.
Med Law Rev ; 30(3): 434-456, 2022 Sep 06.
Artigo em Inglês | MEDLINE | ID: mdl-35486125

RESUMO

Do not attempt cardiopulmonary resuscitation (DNACPR) decisions are a means to consider in advance the appropriateness of CPR measures if an acute crisis arises. During the COVID-19 pandemic, problems with such decisions, for example the putting in place of DNACPR decisions for all residents of certain care homes, received a lot of attention, prompting a Care Quality Commission (CQC) report with recommendations for improvement. Building on the CQC report, our article addresses a cluster of legal uncertainties surrounding DNACPR decisions, in particular about the grounds for such decisions and the correct procedures for the legally required consultation, including with whom to consult. This article will also analyse commonly used DNACPR forms, as well as the Recommended Summary Plan for Emergency Care and Treatment (ReSPECT) form, which aims to incorporate DNACPR decisions as part of more holistic end-of-life care planning. The analysis shows that all forms exhibit shortcomings in reflecting the legal requirements for DNACPR decisions. We recommend a number of changes to the forms aimed at rendering DNACPR practice compliant with the law and more protective of the person's human rights.


Assuntos
Planejamento Antecipado de Cuidados , COVID-19 , Reanimação Cardiopulmonar , Humanos , Pandemias , Ordens quanto à Conduta (Ética Médica)
2.
J Med Ethics ; 2021 Apr 16.
Artigo em Inglês | MEDLINE | ID: mdl-33863831

RESUMO

In their discussion paper of November 2020, Cook et al present a draft protocol for navigating circumstances in which emergency services are overwhelmed. Their paper suggests that COVID-related triage decisions should be based on clinical assessment, patient and family consultation, and a range of ethical considerations. In this response, we note that the protocol exhibits an ambiguity that is likely to result in irresolvable dilemmas when put into practice. This ambiguity is exemplified in the paper's prime ethical imperative (to 'save more lives and more years of life'), which takes the form of an undefined conjunction whose practical implications are left unspecified. We see this ambiguity in the prime imperative as one manifestation of a broader set of tensions in the protocol. We show that the discipline of human rights provides an essential supplement to the ethical framework on which Cook and colleagues rely, providing a framework for understanding and working through triage dilemmas involving age, discrimination and equality.

3.
Psychopathology ; 51(6): 371-379, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30485862

RESUMO

BACKGROUND: Within psychiatric practice and policy there is considerable controversy surrounding the nature and assessment of impairments of decision-making capacity (DMC) for treatment in persons diagnosed with affective disorders. We identify the problems of "cognitive bias" and "outcome bias" in assessment of DMC for treatment in affective disorder and aim to help resolve these problems with an analysis of how time is experienced in depression and mania. SAMPLING AND METHODS: We conducted purposeful sampling and a qualitative phenomenological analysis of interview data on patients with depression and mania, exploring temporal experience and decision-making regarding treatment. RESULTS: In both severe depression and mania there is a distinctive experience of the future. Two consequences can follow: a loss of evaluative differentiation concerning future outcomes and, relatedly, inductive failure. This temporal inability can compromise an individual's ability to appreciate or "use or weigh" treatment information. CONCLUSIONS: The decision-making abilities required for self-determination involve an ability to evaluate alternative future outcomes. Our results show that, within severe depression or mania, anticipation of future outcomes is inflexibly fixed at one end of the value spectrum. We therefore propose a temporal model of decision-making abilities, which could be used to improve assessment of DMC in affective disorder.


Assuntos
Transtorno Bipolar/psicologia , Compreensão/fisiologia , Tomada de Decisões/fisiologia , Depressão/psicologia , Transtornos do Humor/psicologia , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem
4.
Hum Brain Mapp ; 38(8): 3771-3790, 2017 08.
Artigo em Inglês | MEDLINE | ID: mdl-28548250

RESUMO

Magnetic resonance imaging of subcortical gray matter structures, which mediate behavior, cognition and the pathophysiology of several diseases, is crucial for establishing typical maturation patterns across the human lifespan. This single site study examines T1-weighted MPRAGE images of 3 healthy cohorts: (i) a cross-sectional cohort of 406 subjects aged 5-83 years; (ii) a longitudinal neurodevelopment cohort of 84 subjects scanned twice approximately 4 years apart, aged 5-27 years at first scan; and (iii) a longitudinal aging cohort of 55 subjects scanned twice approximately 3 years apart, aged 46-83 years at first scan. First scans from longitudinal subjects were included in the cross-sectional analysis. Age-dependent changes in thalamus, caudate, putamen, globus pallidus, nucleus accumbens, hippocampus, and amygdala volumes were tested with Poisson, quadratic, and linear models in the cross-sectional cohort, and quadratic and linear models in the longitudinal cohorts. Most deep gray matter structures best fit to Poisson regressions in the cross-sectional cohort and quadratic curves in the young longitudinal cohort, whereas the volume of all structures except the caudate and globus pallidus decreased linearly in the longitudinal aging cohort. Males had larger volumes than females for all subcortical structures, but sex differences in trajectories of change with age were not significant. Within subject analysis showed that 65%-80% of 13-17 year olds underwent a longitudinal decrease in volume between scans (∼4 years apart) for the putamen, globus pallidus, and hippocampus, suggesting unique developmental processes during adolescence. This lifespan study of healthy participants will form a basis for comparison to neurological and psychiatric disorders. Hum Brain Mapp 38:3771-3790, 2017. © 2017 Wiley Periodicals, Inc.


Assuntos
Envelhecimento/patologia , Encéfalo/crescimento & desenvolvimento , Encéfalo/patologia , Substância Cinzenta/crescimento & desenvolvimento , Substância Cinzenta/patologia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Encéfalo/diagnóstico por imagem , Criança , Pré-Escolar , Estudos Transversais , Substância Cinzenta/diagnóstico por imagem , Humanos , Processamento de Imagem Assistida por Computador , Modelos Lineares , Estudos Longitudinais , Imageamento por Ressonância Magnética , Pessoa de Meia-Idade , Tamanho do Órgão , Reprodutibilidade dos Testes , Caracteres Sexuais , Adulto Jovem
5.
Neuropsychol Rehabil ; 27(1): 133-148, 2017 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-26088818

RESUMO

Assessment of decision-making capacity (DMC) can be difficult in acquired brain injury (ABI) particularly with the syndrome of organic personality disorder (OPD) (the "frontal lobe syndrome"). Clinical neuroscience may help but there are challenges translating its constructs to the decision-making abilities considered relevant by law and ethics. An in-depth interview study of DMC in OPD was undertaken. Six patients were purposefully sampled and rich interview data were acquired for scrutiny using interpretative phenomenological analysis. Interview data revealed that awareness of deficit and thinking about psychological states can be present. However, the awareness of deficit may not be "online" and effectively integrated into decision-making. Without this online awareness of deficit the ability to appreciate or use and weigh information in the process of deciding some matters appeared absent. We argue that the decision-making abilities discussed are: (1) necessary for DMC, (2) threatened by ABI , and (3) assessable at interview. Some advice for practically incorporating these abilities within assessments of DMC in patients with OPD is outlined.


Assuntos
Lesões Encefálicas/psicologia , Tomada de Decisões , Competência Mental , Transtornos da Personalidade/psicologia , Adulto , Idoso de 80 Anos ou mais , Conscientização , Lesões Encefálicas Traumáticas/psicologia , Lobo Frontal , Humanos , Masculino , Metacognição , Pessoa de Meia-Idade , Procedimentos Neurocirúrgicos , Personalidade , Hemorragia Pós-Operatória/psicologia , Pesquisa Qualitativa , Autoimagem , Acidente Vascular Cerebral/psicologia , Hemorragia Subaracnóidea/psicologia , Síndrome
6.
Br J Psychiatry ; 203(6): 461-7, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-23969482

RESUMO

BACKGROUND: Is the nature of decision-making capacity (DMC) for treatment significantly different in medical and psychiatric patients? AIMS: To compare the abilities relevant to DMC for treatment in medical and psychiatric patients who are able to communicate a treatment choice. METHOD: A secondary analysis of two cross-sectional studies of consecutive admissions: 125 to a psychiatric hospital and 164 to a medical hospital. The MacArthur Competence Assessment Tool - Treatment and a clinical interview were used to assess decision-making abilities (understanding, appreciating and reasoning) and judgements of DMC. We limited analysis to patients able to express a choice about treatment and stratified the analysis by low and high understanding ability. RESULTS: Most people scoring low on understanding were judged to lack DMC and there was no difference by hospital (P = 0.14). In both hospitals there were patients who were able to understand yet lacked DMC (39% psychiatric v. 13% medical in-patients, P<0.001). Appreciation was a better 'test' of DMC in the psychiatric hospital (where psychotic and severe affective disorders predominated) (P<0.001), whereas reasoning was a better test of DMC in the medical hospital (where cognitive impairment was common) (P = 0.02). CONCLUSIONS: Among those with good understanding, the appreciation ability had more salience to DMC for treatment in a psychiatric setting and the reasoning ability had more salience in a medical setting.


Assuntos
Tomada de Decisões , Hospitais Gerais , Hospitais Psiquiátricos , Consentimento Livre e Esclarecido/psicologia , Pacientes Internados/psicologia , Competência Mental/psicologia , Doença Aguda , Adulto , Transtornos Cognitivos/psicologia , Compreensão , Estudos Transversais , Feminino , Humanos , Consentimento Livre e Esclarecido/legislação & jurisprudência , Entrevista Psicológica , Masculino , Competência Mental/legislação & jurisprudência , Pessoas Mentalmente Doentes/legislação & jurisprudência , Pessoas Mentalmente Doentes/psicologia , Pessoa de Meia-Idade , Autonomia Pessoal , Curva ROC
7.
Poult Sci ; 102(10): 102886, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37517363

RESUMO

Organic poultry constitutes a sizeable segment of the American organic commodities market. However, processors have limited strategies that are safe, effective, and approved for improving the microbiological safety of products. In this study, the efficacy of 3 plant-derived antimicrobials (PDAs), eugenol (EG), carvacrol (CR), and ß-resorcylic acid (BR) was evaluated against Salmonella on organic chicken wings and carcasses. Wings inoculated with Salmonella (6 log10 CFU/wing) were treated with or without the treatments (BR [0.5%, 1% w/v], EG [0.5%, 1% v/v], CR [0.5%, 1% v/v], chlorine [CL; 200 ppm v/v], or peracetic acid [PA; 200 ppm v/v]) applied for 2 min at 54°C (scalding study) or 30 min at 4°C (chilling study). Homogenates and treatment water were evaluated for surviving Salmonella. Six wings or carcasses per treatment were analyzed in each study. All treatments, except CL and 0.5% BR in the scalding study, yielded significant reductions of Salmonella on wings compared to the positive control (PC-Salmonella inoculated samples not treated with antimicrobials). To follow, carcasses inoculated with Salmonella (higher inoculum [106 CFU/carcass] or lower inoculum [104 CFU/carcass]) and immersed in antimicrobials (CR 1% [v/v] and industry controls [CL {200 ppm}, or PA [200 ppm]) for 30 min at 4°C were stored until analysis. For the higher inoculum study, 1% CR resulted in a 3.9 log10 CFU/g reduction of Salmonella on the carcass on d 0 compared to PC (P < 0.05); however, CL yielded no reduction. On d 3, CR and PA resulted in 0.9 and 1.2 log10 CFU/g reduction of Salmonella, respectively (P < 0.05). For the lower inoculum study, consistent Salmonella reductions were obtained with CR and PA (1.4-2.1 log10 CFU/g) on d 0 and 7. High reductions of Salmonella in processing water were obtained in all studies. CR effectively controls Salmonella on wings and carcasses and in processing water immediately after application. Follow-up studies on the organoleptic characteristics of PDA-treated chicken carcasses are necessary.


Assuntos
Anti-Infecciosos , Eugenol , Animais , Eugenol/farmacologia , Galinhas/microbiologia , Microbiologia de Alimentos , Anti-Infecciosos/farmacologia , Salmonella , Água/farmacologia , Contagem de Colônia Microbiana/veterinária , Manipulação de Alimentos/métodos
8.
Acta Neuropathol ; 124(5): 749-60, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-22735976

RESUMO

We report a retrospective case series of four patients with genetically confirmed Huntington's disease (HD) and sporadic amyotrophic lateral sclerosis (ALS), examining the brain and spinal cord in two cases. Neuropathological assessment included a polyglutamine recruitment method to detect sites of active polyglutamine aggregation, and biochemical and immunohistochemical assessment of TDP-43 pathology. The clinical sequence of HD and ALS varied, with the onset of ALS occurring after the mid-50's in all cases. Neuropathologic features of HD and ALS coexisted in both cases examined pathologically: neuronal loss and gliosis in the neostriatum and upper and lower motor neurons, with Bunina bodies and ubiquitin-immunoreactive skein-like inclusions in remaining lower motor neurons. One case showed relatively early HD pathology while the other was advanced. Expanded polyglutamine-immunoreactive inclusions and TDP-43-immunoreactive inclusions were widespread in many regions of the CNS, including the motor cortex and spinal anterior horn. Although these two different proteinaceous inclusions coexisted in a small number of neurons, the two proteins did not co-localize within inclusions. The regional distribution of TDP-43-immunoreactive inclusions in the cerebral cortex partly overlapped with that of expanded polyglutamine-immunoreactive inclusions. In the one case examined by TDP-43 immunoblotting, similar TDP-43 isoforms were observed as in ALS. Our findings suggest the possibility that a rare subset of older HD patients is prone to develop features of ALS with an atypical TDP-43 distribution that resembles that of aggregated mutant huntingtin. Age-dependent neuronal dysfunction induced by mutant polyglutamine protein expression may contribute to later-life development of TDP-43 associated motor neuron disease in a small subset of patients with HD.


Assuntos
Esclerose Lateral Amiotrófica/complicações , Doença de Huntington/complicações , Adulto , Esclerose Lateral Amiotrófica/patologia , Encéfalo/metabolismo , Encéfalo/patologia , Proteínas de Ligação a DNA/metabolismo , Feminino , Humanos , Doença de Huntington/patologia , Macrófagos/patologia , Masculino , Pessoa de Meia-Idade , Neuroglia/patologia , Neurônios/patologia , Peptídeos/metabolismo , Estudos Retrospectivos , Medula Espinal/metabolismo , Medula Espinal/patologia
9.
Health Soc Care Community ; 30(5): e3018-e3028, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-35138011

RESUMO

This study explores the experiences of professionals who worked with care home residents with impaired mental capacity in England and Wales during the COVID-19 pandemic. It explores (i) how competing risks were balanced and (ii) how the Mental Capacity Act (MCA) functioned in care homes under pandemic conditions, with particular focus on its associated Deprivations of Liberty Safeguards (DoLS) and Independent Mental Capacity Advocacy (IMCA) systems. Between March and May 2021, we held an online survey and five focus groups aimed at professionals who worked in or with care homes during the pandemic. The study explored issues pertaining to residents with impaired mental capacity, alongside several other topics on which we report elsewhere. For this paper, we filtered data to only include responses from 'capacity professionals'. The resulting sample comprised 120 (out of 266) survey participants and 18 (out of 22) focus group participants. We performed manifest content analysis on the filtered data and found that (1) participants reported a 'massive discrepancy' between the ways different care homes balanced the risk of COVID-19 infection with the risks associated with severe restrictions. (2) Some suggested this was due to vague guidance, as well as care home type and size. Participants told us the pandemic (3) obstructed smooth operation of statutory safeguards designed to protect residents' human rights and (4) resulted in confusion about the remit of the MCA during a public health crisis. Our findings raise concerns about the impact of pandemic-related measures upon care home residents with impaired mental capacity. We urge further exploration and analysis of (a) the variability and inconsistency of restrictions applied at care homes, (b) the strain placed on key safeguards associated with the MCA, (c) uncertainty about the remit of the MCA during a public health crisis and (d) the human rights implications hereof.


Assuntos
COVID-19 , COVID-19/epidemiologia , Inglaterra , Direitos Humanos , Humanos , Pandemias , Incerteza
10.
Int J Law Psychiatry ; 78: 101736, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34450485

RESUMO

Scottish mental health legislation includes a unique criterion for the use of compulsion in the delivery of mental health care and treatment. Under the Mental Health (Care and Treatment) (Scotland) Act, 2003, patients must exhibit 'significantly impaired decision-making ability' (SIDMA) in order to be eligible for psychiatric detention or involuntary psychiatric treatment outside the forensic context. The SIDMA requirement represents a distinctive strategy in ongoing international efforts to rethink the conditions under which psychiatric compulsion is permissible. We reconstruct the history of the Scottish SIDMA requirement, analyse its differences from so-called 'fusion law,' and then examine how the SIDMA standard actually functions in practice. We analyse 100 reports that accompany applications for Compulsory Treatment Orders (CTOs). Based on this analysis, we provide a profile of the patient population that is found to exhibit SIDMA, identify the grounds upon which SIDMA is attributed to individual patients, and offer an assessment of the quality of the documentation of SIDMA. We demonstrate that there are systemic areas of poor practice in the reporting of SIDMA, with only 12% of CTOs satisfying the minimum standard of formal completeness endorsed by the Mental Welfare Commission. We consider what lessons might be drawn both for the ongoing review of mental health legislation in Scotland, and for law reform initiatives in other jurisdictions.


Assuntos
Tratamento Involuntário , Transtornos Mentais , Humanos , Transtornos Mentais/terapia , Saúde Mental , Escócia
11.
Front Psychiatry ; 11: 560329, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-33061918

RESUMO

The concept of patient insight, of a patient's self-awareness of illness or impairment (and related issues), plays a significant role in clinical discourse and clinical practice. But what role does it play in the legal process, particularly when a patient's decision-making capacity (or "mental capacity") is in question? We report on a survey of 412 published judgments from the Court of Protection of England and Wales, published between 2007 and 2018. We found that the notion of patient insight played a role in 53 cases (13% of the total). We use a variety of techniques to provide a systematic profile of these "insight cases." We provide a demographic profile of the patients whose insight is discussed (focusing on gender, age and diagnosis) and a professional profile of the expert witnesses who raise the issue of insight. We then deploy the technique of "logical geography" to map the meaning of the term insight and the inferential patterns in which reports of patient insight are embedded. We point out that the published insight cases never explicitly define "insight," and that they include no reference to structured instruments or scales for the assessment of insight. We show that the concept of insight, as used in the Court of Protection, is not synonymous with the concept of agreement with a diagnosis of illness; this is at most one of a range of meanings that the concept carries. We show that, despite the fact that the presence or absence of insight is not itself a legal criterion for mental capacity, insightlessness does play a role, and sometimes a decisive role, in shaping findings as regards the presence or absence of mental capacity. Finally, we assess the extent to which expert testimony in the insight cases conforms to the insight-related recommendation of the recent NICE Guideline on Decision-Making and Mental Capacity.

12.
Can Vet J ; 50(1): 53-60, 2009 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-19337614

RESUMO

An essential objective of an effective foot-and-mouth disease (FMD) eradication campaign is to shorten the infectious period by rapidly detecting and destroying cases of disease. The purpose of our investigation was to identify factors associated with the early detection of clinical FMD during the 2001 outbreak in the United Kingdom. We performed a logistic regression analysis, using early versus late detection of disease as the outcome of interest.During the 2001 FMD outbreak in the United Kingdom, infected premises were more likely to be detected early under the following circumstances: 1) cattle (particularly dairy) were infected rather than sheep; 2) a recently confirmed infected premises was within 3 km of the new case; and 3) the case was initially reported by the farmer, rather than a Local Disease Control Centre-initiated surveillance activity (patrol, tracing, pre-emptive cull). Our findings suggest that reporting by farmers and initiatives that increase farmer education and awareness should be encouraged.


Assuntos
Surtos de Doenças/veterinária , Febre Aftosa/diagnóstico , Animais , Bovinos , Feminino , Febre Aftosa/epidemiologia , Modelos Logísticos , Masculino , Fatores de Risco , Vigilância de Evento Sentinela/veterinária , Ovinos , Conglomerados Espaço-Temporais , Especificidade da Espécie , Suínos , Reino Unido/epidemiologia
13.
Int J Law Psychiatry ; 64: 117-128, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31122621

RESUMO

The United Nations human rights system has in recent years been divided on the question as to whether coercive care interventions, including coercive psychiatric care, can ever be justified under UN human rights standards. Some within the UN human rights community hold that coercive care can comply with human rights standards, provided that the coercive intervention is a necessary and proportionate means to achieve certain approved aims, and that appropriate legal safeguards are in place. Others have held that coercive care is never justified. Disagreement over this issue has produced an impasse in the UN human rights system. We survey the impasse with particular attention to the legal arguments that inform the divergent positions. In doing so we introduce a distinction among a variety of different 'abolitionist' positions regarding coercive care, and draw a distinction between 'non-consensual' and 'coercive' treatment. We conclude with three proposals for moving beyond the current impasse.


Assuntos
Direitos Humanos , Tratamento Involuntário/legislação & jurisprudência , Transtornos Mentais/terapia , Coerção , Humanos , Consentimento Livre e Esclarecido/legislação & jurisprudência , Inquéritos e Questionários , Nações Unidas/normas
14.
Philos Psychol ; 32(1): 72-97, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-30416391

RESUMO

Time-consciousness has long been a focus of research in phenomenology and phenomenological psychology. We advance and extend this tradition of research by focusing on the character of temporal experience under conditions of mania. Symptom scales and diagnostic criteria for mania are peppered with temporally inflected language: increased rate of speech, racing thoughts, flight-of-ideas, hyperactivity. But what is the underlying structure of temporal experience in manic episodes? We tackle this question using a strategically hybrid approach. We recover and reconstruct three hypotheses regarding manic temporality that were advanced and modeled by two pioneers of clinical phenomenology: Eugène Minkowski (1885-1972) and Ludwig Binswanger (1881-1966). We then test, critique, and refine these hypotheses using heterophenomenological methods in an interview-based study of persons with a history of bipolar and a current diagnosis of acute mania. Our conclusions support a central hypothesis due to Minkowski and Binswanger, namely, that disturbance in the formal structure of temporal experience is a core feature of mania. We argue that a suitably refined variant of Binswanger's model of disturbance in manic protention helps to explain a striking pattern of impaired insight and impaired reasoning in manic episodes.

15.
Prev Vet Med ; 86(3-4): 270-88, 2008 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-18378341

RESUMO

In this paper, which is dedicated to Dr. Calvin Schwabe, I review the concepts of causation and how they impact on study design, analysis and interpretation of results. Notwithstanding the fact that no observational study can prove causation, there are a number of issues that if addressed sufficiently, can improve the validity and usefulness of our studies. These are elaborated with specific recommendations for the conduct of future observational research. Approaches that have been useful in my teaching and research experience are also described.


Assuntos
Doenças dos Animais/epidemiologia , Métodos Epidemiológicos/veterinária , Projetos de Pesquisa , Animais
16.
Can J Vet Res ; 72(2): 109-18, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18505199

RESUMO

Understanding risk factors for antimicrobial resistance requires knowledge of antimicrobial selection pressure. The objectives of this research were to develop methodology for collecting quantitative antimicrobial use information from beef producers in Ontario, to document the types and quantities of antimicrobials reported (for a minimum of 12 mo), and to compare 2 metrics for injectable use reporting. Twenty-four volunteer beef producers were asked to complete a questionnaire, document drug use in a treatment diary, and retain empty medication containers. For injectable antimicrobials, producers recorded approximately 60% of the total use in the treatment diaries; oxytetracycline, penicillin, macrolides, florfenicol, and spectinomycin were used in the greatest quantities. Based on estimated weights of active ingredients (calculated according to number of animals exposed, duration, and average dose per day) the antimicrobials most commonly used in feed were monensin, tylosin, lasalocid, and tetracyclines. The antimicrobials most commonly used in water were lincomycin-spectinomycin, chlortetracycline, and oxytetracycline. Based on estimated weights and measured quantities, < 1% of antimicrobials used were in the Canadian category of highest importance to human medicine. A comparison of animal daily dosages to kilograms of active ingredient demonstrated that the relative ranking of use of antimicrobials varied with the chosen metric, and that further investigation into the best measure in relation to antimicrobial resistance is warranted.


Assuntos
Antibacterianos/farmacologia , Doenças dos Bovinos/tratamento farmacológico , Farmacorresistência Bacteriana , Uso de Medicamentos/estatística & dados numéricos , Infecções por Escherichia coli/veterinária , Escherichia coli/efeitos dos fármacos , Fezes/microbiologia , Fatores Etários , Animais , Animais Recém-Nascidos , Antibacterianos/administração & dosagem , Antibacterianos/provisão & distribuição , Bovinos , Doenças dos Bovinos/epidemiologia , Doenças dos Bovinos/microbiologia , Contagem de Colônia Microbiana/veterinária , Relação Dose-Resposta a Droga , Farmacorresistência Bacteriana Múltipla , Escherichia coli/isolamento & purificação , Infecções por Escherichia coli/tratamento farmacológico , Infecções por Escherichia coli/epidemiologia , Infecções por Escherichia coli/microbiologia , Feminino , Injeções/veterinária , Masculino , Testes de Sensibilidade Microbiana/veterinária , Ontário , Prevalência , Fatores de Risco , Estações do Ano , Fatores Sexuais , Inquéritos e Questionários
17.
Can J Vet Res ; 72(2): 119-28, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18505200

RESUMO

The occurrence of antimicrobial resistance in generic Escherichia coli can serve as an indicator of the pool of resistance genes potentially available for transfer to pathogenic organisms. This study was conducted on 29 volunteer beef farms in Ontario to describe the prevalence and patterns of antimicrobial resistance in E. coli, and to describe changes in the prevalence of resistance during the feedlot stage of production. From the pooled fecal samples on 28 of the 29 farms, 31% of isolates from feedlots (n = 993) and 12% of isolates from cow-calf farms (n = 807) were resistant to one or more of 16 antimicrobials tested. No isolates were resistant to ceftriaxone, ciprofloxacin, gentamicin, or nalidixic acid, and < 1% of the pooled isolates were resistant to ceftiofur. Two percent of both feedlot and cow-calf isolates were resistant to > or = 5 antimicrobials. Cow-calf farms were at significantly lower risk than feedlots for having E. coli isolates that were resistant to streptomycin, sulfamethoxazole, and tetracycline. On average, the prevalence of sulfamethoxazole resistant E. coli isolates was significantly higher in calves than in cows. No resistance was observed to ceftriaxone or ciprofloxacin among isolates (n = 1265) obtained from individually sampled feedlot animals on 2 farms. Less than 1% of these isolates were resistant to gentamicin, nalidixic acid, and ceftiofur. From the individually sampled feedlot animals, resistance to streptomycin (on 1 farm), sulfamethoxazole, and tetracycline increased significantly from arrival to mid-point during the feeding period, and these levels persisted until market-readiness.


Assuntos
Antibacterianos/farmacologia , Doenças dos Bovinos/tratamento farmacológico , Farmacorresistência Bacteriana , Infecções por Escherichia coli/veterinária , Escherichia coli/efeitos dos fármacos , Fezes/microbiologia , Fatores Etários , Animais , Animais Recém-Nascidos , Antibacterianos/administração & dosagem , Bovinos , Doenças dos Bovinos/epidemiologia , Doenças dos Bovinos/microbiologia , Contagem de Colônia Microbiana/veterinária , Relação Dose-Resposta a Droga , Farmacorresistência Bacteriana Múltipla , Escherichia coli/isolamento & purificação , Infecções por Escherichia coli/tratamento farmacológico , Infecções por Escherichia coli/epidemiologia , Infecções por Escherichia coli/microbiologia , Feminino , Masculino , Testes de Sensibilidade Microbiana/veterinária , Ontário/epidemiologia , Prevalência , Fatores de Risco , Estações do Ano , Fatores Sexuais
18.
Animals (Basel) ; 8(1)2018 Jan 15.
Artigo em Inglês | MEDLINE | ID: mdl-29342947

RESUMO

The objective of this study was to investigate the association between social structure and incidence of tail-biting in pigs. Pigs (n = 144, initial weight = 7.2 ± 1.57 kg, 4 weeks of age) were grouped based on their litter origin: littermates, non-littermates, and half-group of littermates. Six pens (8 pigs/pen) of each litter origin were studied for 6 weeks. Incidence of tail injury and growth performance were monitored. Behavior of pigs was video recorded for 6 h at 6 and 8 weeks of age. Video recordings were scanned at 10 min intervals to register pigs that were lying together (1) or not (0) in binary matrices. Half weight association index was used for social network construction. Social network analysis was performed using the UCINET software. Littermates had lower network density (0.119 vs. 0.174; p < 0.05), more absent social ties (20 vs. 12; p < 0.05), and fewer weak social ties (6 vs. 14, p < 0.05) than non-littermates, indicating that littermates might be less socially connected. Fifteen percent of littermates were identified as victimized pigs by tail-biting, and no victimized pigs were observed in other treatment groups. These results suggest that littermates might be less socially connected among themselves which may predispose them to development of tail-biting.

19.
Arch Neurol ; 64(5): 676-82, 2007 May.
Artigo em Inglês | MEDLINE | ID: mdl-17502466

RESUMO

OBJECTIVE: To assess the response to the rotigotine transdermal system (Neupro; Schwarz Pharma Ltd, Monheim, Germany), a nonergolinic dopamine agonist, in patients with early Parkinson disease. DESIGN: Randomized, double-blind, multicenter, placebo-controlled study. SETTING: Fifty sites in the United States and Canada. PATIENTS: Two hundred seventy-seven patients with early Parkinson disease. Eligibility was assessed by means of routine clinical and neurological examinations. Patients were randomized 2:1 to receive either rotigotine therapy or placebo. INTERVENTION: Treatment with the rotigotine transdermal system, 2, 4, or 6 mg during 24 hours, for 24 weeks. MAIN OUTCOME MEASURE: Percentage of subjects achieving a 20% response or greater (reduction) as assessed with the Unified Parkinson Disease Rating Scale subtotal (parts II [activities of daily living] and III [motor function]) from baseline to the end of the maintenance phase. RESULTS: Significant differences were observed between the rotigotine-treated and placebo groups for the 20% responder rate (48% for the rotigotine group and 19% for the placebo group; P<.001), least squares mean change in Unified Parkinson Disease Rating Scale subtotal (parts II and III) score (-941 for rotigotine vs -157 for placebo; P<.001), and percentage changes in Unified Parkinson Disease Rating Scale subtotal (parts II and III) score (-15.1% for rotigotine vs 7.3% for placebo; P<.001). Rotigotine treatment significantly increased the patients' Clinical Global Impression Scale scores (57% for rotigotine vs 30% for placebo; P<.001) and had a positive effect on their quality of life. The most common adverse events were application site reactions, nausea, and somnolence. Twenty-five (14%) of 181 patients in the rotigotine group withdrew from the study because of adverse effects. CONCLUSION: The rotigotine transdermal system consistently demonstrated statistically significant and clinically relevant efficacy over placebo in patients with early Parkinson disease and was well tolerated.


Assuntos
Antagonistas de Dopamina/administração & dosagem , Doença de Parkinson/tratamento farmacológico , Tetra-Hidronaftalenos/administração & dosagem , Tiofenos/administração & dosagem , Atividades Cotidianas , Administração Cutânea , Idoso , Estudos de Casos e Controles , Relação Dose-Resposta a Droga , Método Duplo-Cego , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Doença de Parkinson/epidemiologia , Índice de Gravidade de Doença
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