Abstract: Objective:
To develop a standard procedure for male circumcision in a resource-poor medical setting and prospectively evaluate the outcome in a randomized, controlled trial with the incidence of human immunodeficiency virus
(HIV) as the main outcome, as studies suggest that circumcision is associated
with a lower incidence of HIV and other sexually transmitted infections in
high-risk populations.
Subjects and methods:
Healthy, uncircumcised, HIV-seronegative men aged 18-24 years from Kisumu District, Kenya, were offered participation in a clinical trial using a standard circumcision procedure based on "usual" medical procedures in Western Kenya. The follow-up included visits at 3, 8 and 30 days after circumcision, with additional visits if necessary.
Healing, satisfaction and resumption of activities were assessed at these visits
and 3 months from randomization.
Results:
Overall, 17 (3.5%) of the 479 circumcisions were associated with adverse events judged definitely, probably or possibly related to the procedure. The most common adverse events were wound infections (1.3%), bleeding (0.8%), and delayed wound healing or suture line disruption (0.8%). After 30 days, 99% of participants reported being very satisfied with the procedure; approximately 23% reported having had sex and 15% reported that their partners had expressed an opinion, all of whom were very satisfied with the outcome. About 96% of the men resumed normal general activities within the first week after the procedure.
Conclusion:
Safe and acceptable adult male circumcision services can be delivered in developing countries should male circumcision ultimately be advocated as a public-health measure.
Language: English
Keywords: | ADOLESCENT |ADULT |CIRCUMCISION, MALE |METHODS
|DEVELOPING COUNTRIES |FOLLOW-UP STUDIES |HIV INFECTIONS |PREVENTION & CONTROL |HUMANS |INCIDENCE |KENYA
|MALE |PATIENT SATISFACTION |PROSPECTIVE STUDIES
|SEXUALLY TRANSMITTED DISEASES | PREVENTION & CONTROL
|SURGICAL WOUND INFECTION |TREATMENT OUTCOME
HIV type 1 subtypes in circulation in northern Kenya.
Author: Khamadi SA, Ochieng W, Lihana RW, Kinyua J, Muriuki J, Mwangi J, Lwembe R, Kiptoo M, Osman S, Lagat N, Pelle R, Muigai A, Carter JY, Oishi I, Ichimura H, Mwaniki DL, Okoth FA, Mpoke S, Songok EM
Source: AIDS Res Hum Retroviruses. 2005 Sep;21(9):810-4.
Abstract: The genetic subtypes of HIV-1 circulating in northern Kenya have not been
characterized. Here we report the partial sequencing and analysis of samples
collected in the years 2003 and 2004 from 72 HIV-1-positive patients in northern
Kenya, which borders Ethiopia, Somalia, and Sudan. From the analysis of partial
env sequences, it was determined that 50% were subtype A, 39% subtype C, and 11% subtype D. This shows that in the northern border region of Kenya subtypes A and C are the dominant HIV-1 subtypes in circulation. Ethiopia is dominated mainly by HIV-1 subtype C, which incidentally is the dominant subtype in the town of Moyale, which borders Ethiopia. These results show that cross-border movements play an important role in the circulation of subtypes in Northern Kenya.
Language: English
Keywords: |ADOLESCENT |ADULT |CHILD |CHILD, PRESCHOOL |GENES, ENV |GENETICS |HIV ENVELOPE PROTEIN GP41 |GENETICS |HIV INFECTIONS |EPIDEMIOLOGY |HIV-1 | GENETICS |HUMANS
|KENYA/EPIDEMIOLOGY |MALE |MIDDLE AGED |MOLECULAR SEQUENCE DATA |PHYLOGENY |SPECIES SPECIFICITY
The relationship between expressed HIV/AIDS-related stigma and beliefs and knowledge about care and support of people living with AIDS in families caring for HIV-infected children in Kenya.
Author: Hamra M, Ross MW, Karuri K, Orrs M, D'Agostino A
Source: Trop Doct. 2005 Jul;35(3):159-60.
Abstract: At the end of 2001, AIDS-related deaths had left an estimated 900,000 living orphans in Kenya (UNAIDS/WHO Epidemiology fact sheet, Kenya report, 2004). Many of those orphans are also HIV+. In Eastern Kenya, the Lea Toto Kangemi Outreach Program provides support to families caring for HIV+ children, many of whom are orphaned or soon to be orphaned. A major challenge for these families is the stigma attached to the family. In 2003, the Kangemi Program conducted a household survey of client families. We examined markers of expressed stigma and the association between expressed stigma and other demographic and belief/knowledge domains. The focus of the present study was the specific belief/knowledge domain surrounding care/support of HIV+ persons. Our goal was to explore this domain in the Kangemi families and to examine its relationship to expressed stigma. We created an AIDS-related stigma scale from selected items in the household survey and cross-tabulated stigma scores with care/support knowledge items. We found significant associations between less expressed stigma and greater care/support knowledge. Our results have implications for interventions that reduce expressed stigma and/or improve quality of care.
Language: English
Keywords: |ADOLESCENT |ADULT |CAREGIVERS/*PSYCHOLOGY |CHILD
|CHILD, PRESCHOOL|FAMILY |FEMALE |HIV INFECTIONS |PSYCHOLOGY|HEALTH KNOWLEDGE, ATTITUDES, PRACTICE
|HUMANS|INFANT |KENYA |MALE |MIDDLE AGED|PREJUDICE
|STEREOTYPING |ABORTION, INDUCED/*LEGISLATION & JURISPRUDENCE/STATISTICS & NUMERICAL DATA
|ADOLESCENT |ADULT |FEMALE |HUMANS |KENYA/EPIDEMIOLOGY
|MATERNAL MORTALITY|POSTOPERATIVE COMPLICATIONS
|PREGNANCY
Audio computer-assisted self-interviewing (ACASI) may avert socially desirable responses about infant feeding in the context of HIV.
Author: Waruru AK, Nduati R, Tylleskar T
Source: BMC Med Inform Decis Mak. 2005 Aug 2;5:24.
Abstract: Background:
Understanding infant feeding practices in the context of HIV and factors that put mothers at risk of HIV infection is an important step towards prevention of mother to child transmission of HIV (PMTCT). Face-to-face (FTF) interviewing may not be a suitable way of ascertaining this information because respondents may report what is socially desirable. Audio computer-assisted self-interviewing (ACASI) is thought to increase privacy, reporting of sensitive issues and to eliminate socially desirable responses. We compared ACASI with FTF interviewing and explored its feasibility, usability, and acceptability in a
PMTCT program in Kenya.
Methods:
A graphic user interface (GUI) was developed using Macromedia Authorware and questions and instructions recorded in local languages Kikuyu and Kiswahili. Eighty mothers enrolled in the PMTCT program were interviewed with each of the interviewing mode (ACASI and FTF) and responses obtained in FTF interviews and ACASI compared using McNemar's chi2 for paired proportions. A paired Student's t-test was used to compare means of age,
marital-time and parity when measuring interview mode effect and two-sample
Student's t-test to compare means for samples stratified by education level -
determined during the exit interview. A Chi-Square (chi2test) was used to compare ability to use ACASI by education level. RESULTS: Mean ages for intended time for breastfeeding as reported by ACASI were 11 months by ACASI and 19 months by FTF interviewing (p < 0.001). Introduction of complementary foods at Conclusion:
ACASI seems to improve quality of information by increasing response to sensitive questions, decreasing socially desirable responses, and by preventing null responses and was suitable for collecting data in a setting where formal education is low.
Language: English
Keywords: |ADOLESCENT |ADULT |COMPUTER SYSTEMS/*UTILIZATION
|CONFIDENTIALITY |DISEASE TRANSMISSION, VERTICAL |PREVENTION & CONTROL |FEMALE |HIV INFECTIONS |PREVENTION & CONTROL |TRANSMISSION |HEALTH CARE SURVEYS |METHODS |HUMANS |INFANT |INFANT FOOD
|INFANT NUTRITION PHYSIOLOGY |INTERVIEWS AS TOPIC |METHODS |KENYA |MOTHERS/*PSYCHOLOGY/STATISTICS & NUMERICAL DATA |PREGNANCY |QUESTIONNAIRES |SOCIAL DESIRABILITY |SOFTWARE|USER-COMPUTER INTERFACE
Communication for HIV/AIDS prevention in Kenya: social-cultural considerations.
Author: Muturi N
Source: J Health Commun. 2005 Jan-Feb;10(1):77-98.
Abstract: The acquired immune deficiency syndrome (AIDS) epidemic is spreading fast in Africa in spite of the various efforts and resources put in place to prevent it.
In Kenya, reproductive health programs have used the mass media and other
communication interventions to inform and educate the public about the disease and to promote behavior change and healthy sexual practices. This effort has led
to a discrepancy between awareness and behavioral change among people of
reproductive age. In this article I examine the discrepancy in Kenya from a
communications perspective addressing social cultural and related factors
contributing to the lack of change in behavior and sexual practices. I draw on
the theoretical framework of Grunig's model of excellence in communication, the
importance of understanding and relationship building between programs and their stakeholders. Data were gathered qualitatively using focus groups and in-depth interviews among men and women in rural Kenya. Key findings indicate that although awareness of sexually transmitted diseases (STDs) including human immunodeficiency virus (HIV)/AIDS is high in Kenya, a majority of the population, particularly those in the rural communities, lack understanding of the communicated messages. They also lack the knowledge of other ways of transmitting HIV particularly among those not sexually involved. Cultural beliefs, values, norms, and myths have played a role in the rapidly increasing epidemic in the rural communities and yet HIV/AIDS communication programs have not addressed these factors adequately. I conclude that successful behavior change communication must include strategies that focus on increasing understanding of the communicated messages and understanding of the audience through application of appropriate methodologies. Building a relationship with the audience or stakeholders through dialogues and two-way symmetrical communication contributes
toward this understanding and the maintenance of the newly adopted behaviors and practices.
Language: English
Keywords: |ADOLESCENT |ADULT|ATTITUDE TO HEALTH| COMMUNICATION
CULTURE |FEMALE |FOCUS GROUPS |HIV INFECTIONS PREVENTION & CONTROL |PSYCHOLOGY |TRANSMISSION |HEALTH EDUCATION |METHODS |HUMANS |KENYA |MALE |MASS MEDIA |MIDDLE AGED |RURAL POPULATION |SEXUAL BEHAVIOR |PSYCHOLOGY
No HIV stage is dominant in driving the HIV epidemic in sub-Saharan Africa.
Author: Abu-Raddad LJ, Longini IM Jr
Source: AIDS. 2008 May 31;22(9):1055-61.
Abstract: Objective:
To estimate the role of each of the HIV progression stages in fueling
HIV transmission in sub-Saharan Africa by using the recent measurements of HIV transmission probability per coital per HIV stage in the Rakai study.
Methods:
A mathematical model, parameterized by empirical data from the Rakai, Masaka, and Four-City studies, was used to estimate the proportion of infections due to each of the HIV stages in two representative epidemics in sub-Saharan Africa. The first setting represents a hyperendemic HIV epidemic (Kisumu, Kenya) whereas the second setting represents a generalized but not hyperendemic HIV epidemic (Yaounde, Cameroon).
Results:
We estimate that 17, 51, and 32% of HIV transmissions in Kisumu were due to index cases in their acute, latent, and late stages, respectively. In Yaounde, the fractions were 25, 44, and 31%. We found that the relative contribution of each stage varied with the epidemic evolution with the acute stage prevailing early on when the infection is concentrated in the high-risk groups with the late stage playing a major role as the epidemic matured and stabilized. The latent stage contribution remained largely stable throughout the epidemic and contributed about half of all transmissions.
Conclusion:
No HIV stage dominated the epidemical though the latent stage provided the largest contribution. The role of each stage depends on the phase of the epidemic and on the prevailing levels of sexual risk behavior in the populations in which HIV is spreading. These findings may influence the design and implementation of different HIV interventions.
Language: English
Keywords: |CAMEROON/EPIDEMIOLOGY |CIRCUMCISION, MALE/STATISTICS & NUMERICAL DATA |DISEASE OUTBREAKS/*STATISTICS & NUMERICAL DATA |DISEASE PROGRESSION |FEMALE |HIV INFECTIONS/*EPIDEMIOLOGY/TRANSMISSION |HUMANS
|KENYA/EPIDEMIOLOGY |MALE|MODELS, STATISTICAL
| PROSTITUTION/STATISTICS & NUMERICAL DATA| RISK FACTORS
| RISK-TAKING |SEXUAL BEHAVIOR/STATISTICS & NUMERICAL DATA |SEXUAL PARTNERS
Selection for human immunodeficiency virus type 1 envelope glycosylation variants with shorter V1-V2 loop sequences occurs during transmission of certain genetic subtypes and may impact viral RNA levels.
Author: Chohan B, Lang D, Sagar M, Korber B, Lavreys L, Richardson B, Overbaugh J
Source: J Virol. 2005 May;79(10):6528-31.
Abstract: Designing an effective human immunodeficiency virus type 1 (HIV-1) vaccine will rely on understanding which variants, from among the myriad of circulating HIV-1 strains, are most commonly transmitted and determining whether such variants have an Achilles heel. Here we show that heterosexually acquired subtype A HIV-1 envelopes have signature sequences that include shorter V1-V2 loop sequences and fewer predicted N-linked glycosylation sites relative to the overall population of circulating variants. In contrast, recently transmitted subtype B variants did not, and this was true for cases where the major risk factor was homosexual contact, as well as for cases where it was heterosexual contact. This suggests that selection during HIV-1 transmission may vary depending on the infecting subtype. There was evidence from 23 subtype A-infected women for whom there was longitudinal data that those who were infected with viruses with fewer potential N-linked glycosylation sites in V1-V2 had lower viral set point levels. Thus, our study also suggests that the extent of glycosylation in the infecting virus could impact disease progression.
Language: English.
Keywords: | DISEASE PROGRESSION| DISEASE TRANSMISSION, HORIZONTAL
|FEMALE |GLYCOSYLATION |HIV ENVELOPE PROTEIN GP120 |GENETICS |HIV NFECTIONS |DIAGNOSIS |TRANSMISSION |VIROLOGY |HIV-1 |GENETICS |HETEROSEXUALITY |HUMANS |KENYA |MALE |MOLECULAR SEQUENCE DATA |PEPTIDE FRAGMENTS |GENETICS |VARIATION (GENETICS) |VIRAL ENVELOPE PROTEINS/*GENETICS |VIRAL LOAD
Characteristics of psychosocial support seeking during HIV-related treatment in western Kenya.
Author: Shacham E, Reece M, Ong'or WO, Omollo O, Monahan PO, Ojwang C
Source: AIDS Patient Care STDS. 2008 Jul;22(7):595-601.
Abstract: While the characteristics of those who seek psychosocial support following an HIV diagnosis have been well documented in western countries where linkages between HIV-related treatment and psychosocial support programs are well established, little is known about those who become engaged with such services in countries of the world where comprehensive HIV-related care and prevention systems are continuing to develop. Data were collected from 397 individuals who had enrolled in HIV-related psychosocial support groups in western Kenya in November 2005.
Demographic and HIV-related characteristics, as well as assessments of
psychological distress, were collected from each participant and analyzed by
gender in order to document the characteristics of those seeking psychosocial
care in conjunction with their participation in an HIV-related treatment and
prevention program. Those seeking psychosocial support were primarily female
(72%), living with HIV for an average of 2.5 years, and unemployed (70%). Women were younger and more likely to be either widowed or never married; while men were more likely to have advanced HIV disease, including lower CD4 counts and an AIDS diagnosis. Across all participants, HIV serostatus disclosure was rarely reported to sex partners, family members, and friends. Symptoms of psychological distress were more prevalent among women on multiple measures, including depression, anxiety, paranoid ideation, interpersonal sensitivity, and somatization. An increased understanding of the characteristics of those likely to seek psychosocial support groups will help HIV program managers to develop protocols necessary for facilitating linkages to psychosocial support for those enrolled in HIV-related treatment programs. Patient engagement in psychosocial support may facilitate improvements in psychological function and support an individual's maintenance of HIV treatment and prevention behaviors.
Language: English
Keywords: |ADOLESCENT| ADULT |ANTI-HIV AGENTS/THERAPEUTIC USE
|COMMUNITY MENTAL HEALTH SERVICES/UTILIZATION
|CROSS-SECTIONAL STUDIES |FEMALE |HIV INFECTIONS/*DRUG THERAPY/EPIDEMIOLOGY/*PSYCHOLOGY/VIROLOGY |HUMANS
|KENYA|MALE|MIDDLE AGED|PREVALENCE| QUESTIONNAIRES|SOCIAL SUPPORT |STRESS, PSYCHOLOGICAL/EPIDEMIOLOGY/PHYSIOPATHOLOGY
No HIV stage is dominant in driving the HIV epidemic in sub-Saharan Africa.
Author: Abu-Raddad, L. J. and Longini, I. M.
Source: Jr. AIDS. 2008 May 31; 22(9):1055-61.
Abstract: Objective:
To estimate the role of each of the HIV progression stages in fueling HIV transmission in sub-Saharan Africa by using the recent measurements of HIV transmission probability per coital per HIV stage in the Rakai study.
Methods:
A mathematical model, parameterized by empirical data from the Rakai, Masaka, and Four-City studies, was used to estimate the proportion of infections due to each of the HIV stages in two representative epidemics in sub-Saharan Africa. The first setting represents a hyperendemic HIV epidemic (Kisumu, Kenya) whereas the second setting represents a generalized but not hyperendemic HIV epidemic (Yaounde, Cameroon).
Results:
We estimate that 17, 51, and 32% of HIV transmissions in Kisumu were due to index cases in their acute, latent, and late stages, respectively. In Yaounde, the fractions were 25, 44, and 31%. We found that the relative contribution of each stage varied with the epidemic evolution with the acute stage prevailing early on when the infection is concentrated in the high-risk groups with the late stage playing a major role as the epidemic matured and stabilized. The latent stage contribution remained largely stable throughout the epidemic and contributed about half of all transmissions.
Conclusion:
No HIV stage dominated the epidemical though the latent stage provided the largest contribution. The role of each stage depends on the phase of the epidemic and on the prevailing levels of sexual risk behavior in the populations in which HIV is spreading. These findings may influence the design and implementation of different HIV interventions
Genital herpes has played a more important role than any other sexually transmitted infection in driving HIV prevalence in Africa.
Author: Abu-Raddad, L. J.; Magaret, A. S.; Celum, C.; Wald, A.; Longini, I. M. Jr; Self, S. G., and Corey, L
Source: PLoS ONE. 2008; 3(5):e2230.
Abstract: Background:
Extensive evidence from observational studies suggests a role for genital herpes in the HIV epidemic. A number of herpes vaccines are under development and several trials of the efficacy of HSV-2 treatment with acyclovir in reducing HIV acquisition, transmission, and disease progression have just reported their results or will report their results in the next year. The potential impact of these interventions requires a quantitative assessment of the magnitude of the synergy between HIV and HSV-2 at the population level.
Methods and findings:
A deterministic compartmental model of HIV and HSV-2 dynamics and interactions was constructed. The nature of the epidemiologic synergy was explored qualitatively and quantitatively and compared to other sexually transmitted infections (STIs). The results suggest a more substantial role for HSV-2 in fueling HIV spread in sub-Saharan Africa than other STIs. We estimate that in settings of high HSV-2 prevalence, such as Kisumu, Kenya, more than a quarter of incident HIV infections may have been attributed directly to HSV-2. HSV-2 has also contributed considerably to the onward transmission of HIV by increasing the pool of HIV positive persons in the population and may explain one-third of the differential HIV prevalence among the cities of the Four City study. Conversely, we estimate that HIV had only a small net impact on HSV-2 prevalence.
Conclusions:
HSV-2 role as a biological cofactor in HIV acquisition and transmission may have contributed substantially to HIV particularly by facilitating HIV spread among the low-risk population with stable long-term sexual partnerships. This finding suggests that prevention of HSV-2 infection through a prophylactic vaccine may be an effective intervention both in nascent epidemics with high HIV incidence in the high risk groups, and in established epidemics where a large portion of HIV transmission occurs in stable partnerships.
Paediatric HIV and neurodevelopment Saharan Africa: a systematic review. in sub-Saharan Africa: a systematic review.
Author: Abubakar, A.; Van Baar, A.; Van de Vijver, F. J.; Holding, P., and Newton, C. R.
Source: Trop Med Int Health. 2008 Jul; 13(7):880-7.
Abstract: Objective:
To determine the degree of motor, cognitive, language and social-emotional impairment related to HIV infection in children living in sub-Saharan Africa (SSA).
Methods:
Literature searches using MEDLINE and PsycINFO. Additionally, the reference lists of previous reviews were checked to ensure that all eligible studies were identified. Cohen's d, a measure of effect size, was computed to estimate the level of impairment.
Results:
Six reports met the inclusion criteria. In infancy a consistent delay in motor development was observed with a median value of Cohen's d = 0.97 at 18 months, indicating a severe degree of impairment. Mental development showed a moderate delay at 18 months, with a median value d = 0.67. Language delay did not appear until 24 months of age, d = 0.91. Less clear findings occurred in older subjects.
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