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Biomedical subjects

Laura Waters

Publications and source records attributed to Laura Waters.

9 recordsLinked to original sources
PubMed2006

Successful use of genotypic resistance testing in HIV-1-infected individuals with detectable viraemia between 50 and 1000 copies/ml.

Traditionally an HIV viral load of over 1000 copies/ml was presumed necessary for genotypic resistance testing. We performed a retrospective analysis to assess rates of viral amplification on viral loads between 50 and 1000 copies/ml. Amplification was significantly more likely for 200-1000 copies/ml than 50-200 copies/ml; most samples amplified successfully, supporting the use of genotyping for low-level viraemia.

Chi-Square Distribution↗
PubMed2005

Hepatitis C infection is not associated with systemic HIV-associated non-Hodgkin's lymphoma: a cohort study.

Immunosuppression induced by the human immunodeficiency virus (HIV) increases the risk of developing non-Hodgkin's lymphoma (NHL). As the hepatitis C virus (HCV) has been implicated in the development of B cell lymphomas, we compared the incidence of systemic NHL during HIV infection compared to HIV and HCV co-infection. Of 5,832 individuals studied during the era of highly active anti-retroviral therapy (HAART), 102 patients were diagnosed with systemic NHL. The incidence of systemic NHL was 6.9 of 10(4) patient years during HIV infection compared to 7.1 of 10(4) patient years during HIV alone (p = 0.9). In this immunocompromised patient population, there was no association between HCV infection and an increased risk of lymphoma.

Cohort Studies↗
PubMed2005

Hepatitis C virus infection in HIV type 1-infected individuals does not accelerate a decrease in the CD4+ cell count but does increase the likelihood of AIDS-defining events.

Human immunodeficiency virus type 1 (HIV-1) appears to adversely affect hepatitis C, but whether hepatitis C virus (HCV) has a reciprocal effect on HIV-1 infection remains a point of controversy. In a multivariate analysis of a cohort of 5832 individuals, we found that individuals coinfected with HCV and HIV-1 (prevalence of coinfection, 5.8%) had a CD4+ cell count that decreased at a rate similar to that for individuals infected with HIV-1 alone. However, coinfection was associated with a statistically significant increased likelihood of onset of an acquired immunodeficiency syndromedefining illness or developing a CD4+ cell count of <200 cells/mm3, compared with infection with HIV-1 alone (hazard ratio, 1.52; 95% confidence interval, 1.072.17). Patients who were naive to highly active antiretroviral therapy were significantly less likely to progress to either end point, because of their higher CD4+ cell counts. In conclusion, there was an increased number of adverse events in coinfected individuals, compared with individuals infected with HIV-1 alone.

Adult↗
PubMed2005

Cryptococcal disease and HIV infection.

In the era of highly active antiretroviral therapy for the treatment of HIV infection, the dramatic reductions in mortality and morbidity associated with immune reconstitution have included a marked decline in the incidence of opportunistic infections. Cryptococcus neoformans is a yeast that causes predominantly neurological disease in immunocompromised individuals, in particular those with HIV infection. It continues to be an important diagnosis in developing areas and amongst late presenters in parts of the world with access to highly active antiretroviral therapy. This article reviews the epidemiology, clinical features and management of cryptococcal disease in HIV-infected patients, particularly focusing on the history of, current guidelines for and future developments in antifungal therapy.

AIDS-Related Opportunistic Infections↗
PubMed2005

New drugs.

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Anti-HIV Agents↗