Publications by authors named "Wen-xiang Han"

Objective: To examine the mortality and risk factors among HIV-infected patients during 1989 - 2011 in Dehong prefecture, Yunnan province.

Methods: All HIV-infected patients reported during 1989 - 2011 in Dehong prefecture who held local residency were included in the study. Mortality rates and cumulative survival rates were calculated.

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Objectives: To analyze the fatality and causes of death related to comprehensive prevention and care programs among HIV-infected patients in Dehong prefecture of Yunnan province, from 1989 to 2010.

Methods: Data on HIV/AIDS death cases in Dehong prefecture were extracted from the "Chinese National Comprehensive HIV/AIDS Prevention and Care Information System" and were analyzed.

Results: From 1989 to the end of 2010, a total of 13 493 HIV/AIDS cases registered as local residents or currently living in Dehong, had been reported.

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Objective: To explore the determinants and changes of CD4(+) T cell counts among antiretroviral treatment-naive HIV/AIDS patients in Dehong prefecture, Yunnan province.

Methods: A retrospective cohort analysis was conducted on HIV-infected local residents, being reported during 1989 through May 2010, in Dehong prefecture. The patients had received at least two CD4(+) T cell counting tests before receiving the antiretroviral treatment (ART).

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Objective: To explore a new method for finding more HIV/AIDS.

Methods: In September 2009, newly reported HIV-infected individuals from May to August, 2009 in Dehong prefecture were asked to participate in a survey which requested demographic characteristics, history of high-risk behaviors and contact information of individuals with whom they had high risky contacts. People with risky contacts with HIV-infected cases (index cases) were also approached to participate in this survey and HIV testing was provided.

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Objective: To study the HIV incidence and risk factors among sero-negative spouses of HIV patients in Dehong prefecture of Yunnan province.

Methods: A cohort of sero-negative spouses of the HIV patients had been developed and followed up since November, 2005. HIV new infections and related behaviors had been investigated every six months.

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Article Synopsis
  • The study aimed to track the long-term outcomes of HIV-1 infection among intravenous drug users (IDUs) in Yunnan province, China, beginning in late 1989, focusing on survival factors.
  • Over a 20-year follow-up of 196 initial subjects, 90.3% died, with notable causes of death including diseases like malaria and septicemia, as well as drug overdoses.
  • Findings indicated that median survival times were shorter than those typically seen in developed countries, with older age at infection linked to reduced survival.
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Objective: To trace and provide HIV-testing among those having contacts with HIV-infected individuals at various levels in Dehong prefecture, Yunnan province and to evaluate the effectiveness and feasibility of such investigation as a supplemental strategy for HIV testing and control.

Methods: Newly reported HIV infections from August throughout October in Dehong prefecture, in 2008 were asked to provide contact information of persons whom they had high risk contacts with. Persons having had risk contacts with HIV-infected cases were here of interviewed and their blood tested on the sero-status of HIV.

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Objective: To determine the incidence and risk factors on HIV infection among injection drug users (IDU) in Dehong prefecture area of Yunnan province.

Methods: An epidemiological cohort of HIV-negative IDU had been developed and followed since October, 2004. HIV new infections and related behaviors had been investigated every six months.

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