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Lísia Von Diemen

Biographic Data

ID1787320
NAMELísia Von Diemen
GIVEN NAMESLísia
FAMILY NAMEVon Diemen
SIGNATUREVON DIEMEN L
AFFILIATIONSUniversidade Federal do Rio Grande do Sul
ORCID0000-0001-9228-7114
VERIFIEDYes
TOTAL WORKS11
TOTAL CITATIONS7
AUTHOR COUNT11
EDITOR COUNT0
FIRST PUBLICATION YEAR2004
LATEST PUBLICATION YEAR2025
H-INDEX1
  • HIV prevalence in men hospitalized for alcohol use disorder in Brazil

    Felipe Ornell, J B Schuch et al.•ARTICLE•AIDS Care•2025

    Alcohol is widely consumed in Brazil, yet the prevalence of sexually transmitted infections (STIs)—particularly human immunodeficiency virus (HIV)—among individuals with alcohol use disorder (AUD) remains underexplored. This study aimed to assess HIV prevalence in a sample of hospitalized alcohol users undergoing detoxification and to explore associations with demographic and clinical factors. A consecutive sample of 445 men with AUD was recruite…

  • Proposing an integrative, dynamic and transdiagnostic model for addictions

    Open Access•Bibiana Bolten Lucion Loreto, Anne Orgler Sordi et al.•ARTICLE•Frontiers in Psychiatry•2024

    Several theories have been proposed to explain the complex diagnostic aspects related to addiction disorders and their development. Recent frameworks tend to focus on dimensional perspectives of symptoms rather than categorical systems, since substance use disorders are frequently comorbid with other psychiatric and especially personality disorders. However, useful transdiagnostic models that could integrate clinical evaluation derived from neuro…

  • Mental health help-seeking among Brazilian medical students

    Open Access•Tamires Martins Bastos, Daniela Benzano Bumaguin et al.•ARTICLE•International Journal of Social…•2022

    INTRODUCTION: Several barriers for mental health help-seeking were identified among medical students, including minimizing mental illness. Studies examining aspects particular to those who perceive psychological impairment but do not access treatment are necessary for planning interventions. AIMS: To identify help-seeking barriers based on the students' perception about their need for treatment and psychiatric symptoms. Methods: Cross-sectional s…

  • Concurrent Use of Alcohol and Crack Cocaine is Associated with High Levels of Anger and Liability to Aggression

    Fernanda Rasch Czermainski, Fernanda Machado Lopes et al.•ARTICLE•Substance Use & Misuse•2020

    The present findings suggest that alcohol and aggression levels may be associated with violent behavior. Concurrent use of alcohol and crack cocaine was related to higher levels of aggression, which may be associated with more severe alterations in behavior and impulse control

  • Vulnerabilidades clínicas e sociais em usuários de crack de acordo com a situação de moradia

    Open Access•Stephen C Halpern, Silvia Chwartzmann Halpern et al.•ARTICLE•Cadernos de Saude Publica•2017•Cited by: 5•References: 23

    O estudo teve como objetivo avaliar a gravidade do uso de substâncias psicoativas, situações de violência, saúde física e emocional de usuários de crack que buscam atendimento em Centros de Atenção Psicossocial para Álcool e Drogas (CAPSad), em relação ao status de moradia. Trata-se de um estudo multicêntrico em seis capitais brasileiras, com 564 usuários de crack categorizados em dois grupos: (1) usuários que estiveram em situação de rua (n = 26…

  • Changes in method for obtaining better outcomes in the recruitment of synthetic drug users

    Lysa Remy, Lísia Von Diemen et al.•ARTICLE•Addiction Research & Theory•2013

    Objective: To describe the problems encountered and resolved in the course of using respondent-driven sampling (RDS), targeted canvassing (TARC), and ethnographic fieldwork (EFW) to recruit ecstasy and/or lysergic acid diethylamide (LSD) users. Method: This study is nested within a larger project designed to investigate the course of drug use, sexual risk behaviors, and psychiatric comorbidities in 240 ecstasy/LSD users. Eligible participants wer…

  • Changing Patterns of Cocaine Use and HIV Risks in the South of Brazil

    James A Inciardi, Hilary L Surratt et al.•ARTICLE•Journal of Psychoactive Drugs•2006

    For well over a decade, researchers in Porto Alegre, Brazil, have been documenting the extent of the AIDS epidemic in the region, with a specific focus on the linkages between drug use and HIV seropositivity. Virtually all of the studies conducted during those years found injection drug use (IDU) to be the major vector for HIV seropositivity in this population. However, recent research found that the number of IDUs had declined significantly. Qua…

  • Tailoring an HIV-prevention intervention for cocaine injectors and crack users in Porto Alegre, Brazil

    Carl Leukefeld, C G Leukefeld et al.•ARTICLE•AIDS Care•2005

    Brazil has the second largest number of reported AIDS cases in the world. Porto Alegre, like most other large urban centres in Brazil, has been greatly impacted by an AIDS epidemic driven by high rates of drug use and risky sexual behaviours. While epidemiologic surveillance of HIV/AIDS and treatment initiatives for HIV-infected individuals are well developed in Brazil, comparatively little attention has focused on developing interventions direct…

  • Uso de substâncias, situações de risco e soroprevalência em indivíduos que buscam testagem gratuita para HIV em Porto Alegre, Brasil

    Open Access•Flavio Pechansky, Felix Henrique Paim Kessler et al.•ARTICLE•Revista Panamericana de Salud…•2005

    Even irregular or occasional drug use increases the odds of seropositivity, particularly if intravenous drugs are used. Sexual transmission played an important role in seropositivity in this sample, indicating that drug use can affect the judgment of risk and thus contribute to HIV transmission

  • Preditores de soropositividade para HIV em indivíduos não abusadores de drogas que buscam centros de testagem e aconselhamento de Porto Alegre, Rio Grande do Sul, Brasil

    Open Access•Flavio Pechansky, Lísia Von Diemen et al.•ARTICLE•Cadernos de Saude Publica•2005•Cited by: 1•References: 25

    Este estudo descreve comportamentos de risco para HIV, obtidos através de questionário, em 570 indivíduos de Porto Alegre que não usavam drogas regularmente. A idade média foi 30,3, 51,1 % eram homens, e a maioria tinha baixa renda (59,1%). A soropositividade foi de 9,9% (13,1% entre homens e 6,9% entre mulheres), associada a sexo masculino, ter mais de 30 anos e baixa renda. Mulheres reportaram mais sexo desprotegido (86,4%) do que homens (74,4%…

  • Fatores de risco para transmissão do HIV em usuários de drogas de Porto Alegre, Rio Grande do Sul, Brasil

    Open Access•Flavio Pechansky, Lísia Von Diemen et al.•ARTICLE•Cadernos de Saude Publica•2004•Cited by: 1•References: 11

    Em um estudo transversal com uma amostra de 420 usuários de drogas de Porto Alegre, Rio Grande do Sul, Brasil, foram avaliados demografia, uso de drogas e situações de risco para contaminação pelo HIV por meio da versão brasileira do questionário Comportamentos de Risco para AIDS. A prevalência de HIV positivos foi de 22,6%; 39,3% tinham 30 anos ou mais e 69,5% eram homens. Nos trinta dias prévios à coleta, 56,8% tinham usado maconha, 43,6% cocaí…

  • Vulnerabilidades clínicas e sociais em usuários de crack de acordo com a situação de moradia

    Open Access•Stephen C Halpern, Silvia Chwartzmann Halpern et al.•ARTICLE•Cadernos de Saude Publica•2017•Cited by: 5•References: 23

    O estudo teve como objetivo avaliar a gravidade do uso de substâncias psicoativas, situações de violência, saúde física e emocional de usuários de crack que buscam atendimento em Centros de Atenção Psicossocial para Álcool e Drogas (CAPSad), em relação ao status de moradia. Trata-se de um estudo multicêntrico em seis capitais brasileiras, com 564 usuários de crack categorizados em dois grupos: (1) usuários que estiveram em situação de rua (n = 26…

  • Preditores de soropositividade para HIV em indivíduos não abusadores de drogas que buscam centros de testagem e aconselhamento de Porto Alegre, Rio Grande do Sul, Brasil

    Open Access•Flavio Pechansky, Lísia Von Diemen et al.•ARTICLE•Cadernos de Saude Publica•2005•Cited by: 1•References: 25

    Este estudo descreve comportamentos de risco para HIV, obtidos através de questionário, em 570 indivíduos de Porto Alegre que não usavam drogas regularmente. A idade média foi 30,3, 51,1 % eram homens, e a maioria tinha baixa renda (59,1%). A soropositividade foi de 9,9% (13,1% entre homens e 6,9% entre mulheres), associada a sexo masculino, ter mais de 30 anos e baixa renda. Mulheres reportaram mais sexo desprotegido (86,4%) do que homens (74,4%…

  • Fatores de risco para transmissão do HIV em usuários de drogas de Porto Alegre, Rio Grande do Sul, Brasil

    Open Access•Flavio Pechansky, Lísia Von Diemen et al.•ARTICLE•Cadernos de Saude Publica•2004•Cited by: 1•References: 11

    Em um estudo transversal com uma amostra de 420 usuários de drogas de Porto Alegre, Rio Grande do Sul, Brasil, foram avaliados demografia, uso de drogas e situações de risco para contaminação pelo HIV por meio da versão brasileira do questionário Comportamentos de Risco para AIDS. A prevalência de HIV positivos foi de 22,6%; 39,3% tinham 30 anos ou mais e 69,5% eram homens. Nos trinta dias prévios à coleta, 56,8% tinham usado maconha, 43,6% cocaí…

  • Fatores de risco para transmissão do HIV em usuários de drogas de Porto Alegre, Rio Grande do Sul, Brasil

    Open Access•Flavio Pechansky, Lísia Von Diemen et al.•ARTICLE•Cadernos de Saude Publica•2004•Cited by: 1•References: 11

    Em um estudo transversal com uma amostra de 420 usuários de drogas de Porto Alegre, Rio Grande do Sul, Brasil, foram avaliados demografia, uso de drogas e situações de risco para contaminação pelo HIV por meio da versão brasileira do questionário Comportamentos de Risco para AIDS. A prevalência de HIV positivos foi de 22,6%; 39,3% tinham 30 anos ou mais e 69,5% eram homens. Nos trinta dias prévios à coleta, 56,8% tinham usado maconha, 43,6% cocaí…

  • Tailoring an HIV-prevention intervention for cocaine injectors and crack users in Porto Alegre, Brazil

    Carl Leukefeld, C G Leukefeld et al.•ARTICLE•AIDS Care•2005

    Brazil has the second largest number of reported AIDS cases in the world. Porto Alegre, like most other large urban centres in Brazil, has been greatly impacted by an AIDS epidemic driven by high rates of drug use and risky sexual behaviours. While epidemiologic surveillance of HIV/AIDS and treatment initiatives for HIV-infected individuals are well developed in Brazil, comparatively little attention has focused on developing interventions direct…

  • Uso de substâncias, situações de risco e soroprevalência em indivíduos que buscam testagem gratuita para HIV em Porto Alegre, Brasil

    Open Access•Flavio Pechansky, Felix Henrique Paim Kessler et al.•ARTICLE•Revista Panamericana de Salud…•2005

    Even irregular or occasional drug use increases the odds of seropositivity, particularly if intravenous drugs are used. Sexual transmission played an important role in seropositivity in this sample, indicating that drug use can affect the judgment of risk and thus contribute to HIV transmission

  • Preditores de soropositividade para HIV em indivíduos não abusadores de drogas que buscam centros de testagem e aconselhamento de Porto Alegre, Rio Grande do Sul, Brasil

    Open Access•Flavio Pechansky, Lísia Von Diemen et al.•ARTICLE•Cadernos de Saude Publica•2005•Cited by: 1•References: 25

    Este estudo descreve comportamentos de risco para HIV, obtidos através de questionário, em 570 indivíduos de Porto Alegre que não usavam drogas regularmente. A idade média foi 30,3, 51,1 % eram homens, e a maioria tinha baixa renda (59,1%). A soropositividade foi de 9,9% (13,1% entre homens e 6,9% entre mulheres), associada a sexo masculino, ter mais de 30 anos e baixa renda. Mulheres reportaram mais sexo desprotegido (86,4%) do que homens (74,4%…

  • Changing Patterns of Cocaine Use and HIV Risks in the South of Brazil

    James A Inciardi, Hilary L Surratt et al.•ARTICLE•Journal of Psychoactive Drugs•2006

    For well over a decade, researchers in Porto Alegre, Brazil, have been documenting the extent of the AIDS epidemic in the region, with a specific focus on the linkages between drug use and HIV seropositivity. Virtually all of the studies conducted during those years found injection drug use (IDU) to be the major vector for HIV seropositivity in this population. However, recent research found that the number of IDUs had declined significantly. Qua…

  • Changes in method for obtaining better outcomes in the recruitment of synthetic drug users

    Lysa Remy, Lísia Von Diemen et al.•ARTICLE•Addiction Research & Theory•2013

    Objective: To describe the problems encountered and resolved in the course of using respondent-driven sampling (RDS), targeted canvassing (TARC), and ethnographic fieldwork (EFW) to recruit ecstasy and/or lysergic acid diethylamide (LSD) users. Method: This study is nested within a larger project designed to investigate the course of drug use, sexual risk behaviors, and psychiatric comorbidities in 240 ecstasy/LSD users. Eligible participants wer…

  • Vulnerabilidades clínicas e sociais em usuários de crack de acordo com a situação de moradia

    Open Access•Stephen C Halpern, Silvia Chwartzmann Halpern et al.•ARTICLE•Cadernos de Saude Publica•2017•Cited by: 5•References: 23

    O estudo teve como objetivo avaliar a gravidade do uso de substâncias psicoativas, situações de violência, saúde física e emocional de usuários de crack que buscam atendimento em Centros de Atenção Psicossocial para Álcool e Drogas (CAPSad), em relação ao status de moradia. Trata-se de um estudo multicêntrico em seis capitais brasileiras, com 564 usuários de crack categorizados em dois grupos: (1) usuários que estiveram em situação de rua (n = 26…

  • Concurrent Use of Alcohol and Crack Cocaine is Associated with High Levels of Anger and Liability to Aggression

    Fernanda Rasch Czermainski, Fernanda Machado Lopes et al.•ARTICLE•Substance Use & Misuse•2020

    The present findings suggest that alcohol and aggression levels may be associated with violent behavior. Concurrent use of alcohol and crack cocaine was related to higher levels of aggression, which may be associated with more severe alterations in behavior and impulse control

  • Mental health help-seeking among Brazilian medical students

    Open Access•Tamires Martins Bastos, Daniela Benzano Bumaguin et al.•ARTICLE•International Journal of Social…•2022

    INTRODUCTION: Several barriers for mental health help-seeking were identified among medical students, including minimizing mental illness. Studies examining aspects particular to those who perceive psychological impairment but do not access treatment are necessary for planning interventions. AIMS: To identify help-seeking barriers based on the students' perception about their need for treatment and psychiatric symptoms. Methods: Cross-sectional s…

  • Proposing an integrative, dynamic and transdiagnostic model for addictions

    Open Access•Bibiana Bolten Lucion Loreto, Anne Orgler Sordi et al.•ARTICLE•Frontiers in Psychiatry•2024

    Several theories have been proposed to explain the complex diagnostic aspects related to addiction disorders and their development. Recent frameworks tend to focus on dimensional perspectives of symptoms rather than categorical systems, since substance use disorders are frequently comorbid with other psychiatric and especially personality disorders. However, useful transdiagnostic models that could integrate clinical evaluation derived from neuro…

  • HIV prevalence in men hospitalized for alcohol use disorder in Brazil

    Felipe Ornell, J B Schuch et al.•ARTICLE•AIDS Care•2025

    Alcohol is widely consumed in Brazil, yet the prevalence of sexually transmitted infections (STIs)—particularly human immunodeficiency virus (HIV)—among individuals with alcohol use disorder (AUD) remains underexplored. This study aimed to assess HIV prevalence in a sample of hospitalized alcohol users undergoing detoxification and to explore associations with demographic and clinical factors. A consecutive sample of 445 men with AUD was recruite…

Medicine (9 works) · HIV, Drug Use, Sexual Risk (6 works) · HIV/AIDS Research and Interventions (6 works) · Psychiatry (6 works) · Psychology (6 works) · Adolescent Sexual and Reproductive Health (5 works) · Demography (5 works) · Environmental health (5 works) · Clinical Psychology (3 works) · Immunology (3 works)

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