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Biomedical subjects

D Vlahov

Publications and source records attributed to D Vlahov.

314 records · Page 18Linked to original sources
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Collaboration among community members, local health service providers, and researchers in an urban research center in Harlem, New York.

The Urban Research Center at the Center for Urban Epidemiologic Studies brings together community members and researchers working in Harlem, New York. A Community Advisory Board (CAB) composed of community members, service providers, public health professionals, and researchers was formed to assist the Center's research and interventions and to guide community partnerships. Through a collaborative process, the CAB identified three public health problems-substance use, infectious diseases, and asthma-as action priorities. To deal with substance use, the Center created a Web-based resource guide for service providers and a "survival guide" for substance users, designed to improve access to community services. To deal with infectious diseases, the Center is collaborating with local community-based organizations on an intervention that trains injection drug users to serve as peer mentors to motivate behavior change among other injection drug users. To deal with asthma, the Center is collaborating with community child care providers on an educational intervention to increase asthma awareness among day care teaching staff, enhance communication between staff and families, and improve the self-management skills of children with asthma. The Center's experience has demonstrated that active communities and responsive researchers can establish partnerships that improve community health.

Adolescent↗
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Gonorrhea prevalence in the Maryland state prisons.

During a 6-month period from July 1 through December 31, 1986, 2,598 consecutive men were screened for gonorrhea upon entry into the Maryland Division of Corrections. Twenty-eight men (1.1%) demonstrated positive cultures for gonorrhea with 27 of them (92%) asymptomatic. This prevalence is substantially lower than other rates reported from prisons and detention centers. Although the role of asymptomatic males as a reservoir for gonorrhea has been well delineated, standard recommendations for screening high-risk male populations such as prison inmates have not been established. These data suggest that screening in some correctional facilities may not be cost-effective given the low prevalence observed. In addition, contact tracing may be delayed by long holding periods in local detention facilities prior to transfer to the state prison system. These data underscore the need for additional analysis to determine the most effective program structure for screening in correctional facilities and detention centers.

Adult↗
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The relationships between sexual behavior, alcohol use, and personal network characteristics among injecting drug users in Baltimore, Maryland.

BACKGROUND AND OBJECTIVES: Studies on the relationship between alcohol consumption and HIV-related risk behaviors report inconclusive and contradictory results. GOAL OF THIS STUDY: This study sought to examine the relationship between drug and alcohol use, personal network characteristics, and sexual risk behaviors. STUDY DESIGN: A sample of 290 injecting drug users in Baltimore, Maryland, were interviewed. RESULTS: More than half the males and 28% of the females reported multiple partners within the prior 6 months, and 33% of the males reported exchanging money or drugs for sex. For males, heavy drinking was significantly associated with multiple partners, exchanging money or drugs for sex, and casual sex. The personal network characteristics of size and density, as measured by the percentage of network members who knew each other, were associated with sexual risk behaviors. CONCLUSION: These results indicate that among injecting drug users in Baltimore, heavy drinkers, and those with larger, lower density personal networks have increased levels of sexual risk behaviors.

Adult↗
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Bacterial infections and skin cleaning prior to injection among intravenous drug users.

In a survey of 1,057 active intravenous drug users in Baltimore, MD, who were recruited through extensive community outreach, 12 reported endocarditis and 113 reported subcutaneous abscesses in the 6 months before being interviewed. Of all the persons surveyed, 556 reported cleaning their skin prior to injection at any time and 173 reported cleaning their skin all the time in the 6 months before the interview. The frequency of subcutaneous abscesses was lower among those who reported skin cleaning all the time; a similar trend was noted for frequency of endocarditis. The relatively simple procedure of encouraging intravenous drug users to clean their skin prior to injection will not eliminate but might reduce the frequency of these serious and expensive infectious complications of intravenous drug use.

Abscess↗
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Human immunodeficiency virus infection in diabetic intravenous drug users.

OBJECTIVE: --To evaluate the association between diabetes and human immunodeficiency virus (HIV) seroprevalence in a population of intravenous (IV) drug users. DESIGN: --Cross-sectional survey in a cohort of IV drug users. SETTING: --Community-based study clinic. SUBJECTS: --The study included 2921 individuals with a history of IV drug use in the past 10 years; over 90% had injected drugs in the past year and 77% in the past month; only 15% were receiving drug treatment. OUTCOME MEASURES: --The HIV seroprevalence among IV drug users with and without a history of diabetes. RESULTS: --Those IV drug users with a history of diabetes had significantly lower HIV seroprevalence (9.8%) than nondiabetic IV drug users (24.3%; P = .03). Despite similar duration and intensity of drug use and sexual practices, diabetic IV drug users tended not to share injection paraphernalia and were less likely to attend shooting galleries than nondiabetic IV drug users. CONCLUSION: --Our data suggest that the apparent protective effect of diabetes against HIV infection in IV drug users is most likely due to their safer injection practices afforded by their ready access to sterile injection equipment.

Adult↗
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Coinfection with tuberculosis and HIV-1 in male prison inmates.

An association between past exposure to tuberculosis (TB) and infection with human immunodeficiency virus type 1 (HIV-1) was investigated using a case-control design among a 6-week sample of 698 male inmates consecutively admitted to the Maryland State prison system. Based on Mantoux testing and measurement of anti-HIV-1, we found a positive but not significant association between HIV-1 and TB infection (odds ratio 2.4, 95 percent confidence interval 0.9-6.3). The power of the study to detect an association of this magnitude was 0.57. Of the entire intake sample, 1.3 percent were found to be coinfected with TB and HIV-1. Some misclassification may have been present due to anergy or latent HIV-1 infection. The elevated risk of TB in coinfected inmates, coupled with the study results, suggest that the inmate screening process on entry to the prison should be modified to improve identification of coinfected people. Specifically, anergy testing should be added to the admission screening procedure, and appropriate voluntary anonymous HIV-1 antibody testing should be more widely available to inmates.

Acquired Immunodeficiency Syndrome↗
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Profile of HIV seropositive inmates diagnosed in Maryland's state correctional system.

Correctional systems increasingly serve as the health care nexus for the initial diagnosis and treatment of human immunodeficiency virus (HIV) infection, particularly among traditionally underserved populations. A survey was conducted to describe the clinical profile of inmates in a State correctional system diagnosed with HIV infection by various testing strategies. Approximately 50 percent of the inmates diagnosed were potential candidates for anti-retroviral therapy, and 17 percent were severely immunocompromised. Implementation of voluntary HIV testing at prison entry increased the number of persons identified with HIV infection; however, since volunteers at entry had higher CD4 cell counts compared with infected inmates diagnosed by other methods, there was not a parallel increase in the percentage requiring immediate medical treatment. These data are important for planning medical resources in the correctional setting and underscore the opportunity to provide prevention and therapy for a vulnerable population with HIV infection. Public health interventions within the correctional setting have a broader societal impact, since most infected inmates serve short sentences (median, 3 years). Clinical case management is critical for inmates with HIV infection released to the community so that linkages with primary care providers and support services can be established.

AIDS Serodiagnosis↗