Chronic diseases in HIV survivors

Global Health Perspectives on Race in Research: Neocolonial Extraction and Local Marginalization

Best practices in global health training prioritize leadership and engagement from investigators from low- and middle-income countries (LMICs), along with conscientious community consultation and research that benefits local participants and autochthonous communities. However, well into the 20th century, international research and clinical care remain rife with paternalism, extractive practices, and racist ideation, with race presumed to explain vulnerability or protection from various diseases, despite scientific evidence for far more precise mechanisms for infectious disease. We highlight experiences in global research on health and illness among indigenous populations in LMICs, seeking to clarify what is both scientifically essential and ethically desirable in research with human subjects; we apply a critical view towards race and racism as historically distorting elements that must be acknowledged and overcome.

Couple Efficacy and Communal Coping for HIV Prevention Among Kenyan Pregnant Couples

Involving both partners of a couple in HIV prevention can improve maternal and child health outcomes in sub-Saharan Africa. Using data from 96 couples, we explored the actor and partner effects of perceived relationship dynamics on a couple's confidence and ability to reduce HIV risk together. Perceived relationship quality altered perceived confidence and ability to reduce HIV threat. One's own ability to confidently act together with their spouse appeared to be stronger for husbands than wives with respect to relationship commitment. A partner's confidence to communicate with their spouse about HIV risk reduction appeared to be stronger from husbands to wives for relationship satisfaction and trust. Gender differences in perceived relationship quality and effects on communal coping may exist and requires further study for applicability in intervention development in this setting. Efficacious couple-oriented interventions for HIV prevention should incorporate evidence on how partners mutually influence each other's health beliefs and behaviors.

Metabolic syndrome in patients on first-line antiretroviral therapy containing zidovudine or tenofovir in rural Lesotho, Southern Africa

OBJECTIVE

To assess the prevalence of metabolic syndrome (MetS) among patients in rural Lesotho who are taking first-line antiretroviral therapy (ART) containing either zidovudine or tenofovir disoproxil.

METHODS

Cross-sectional survey in 10 facilities in Lesotho among adult (≥16 years) patients on non-nucleoside reverse transcriptase inhibitor (NNRTI)-based first-line ART for ≥6 months. MetS was defined according to the International Diabetes Federation criteria.

RESULTS

Among 1166 patients (65.8% female), 22.2% (95% CI: 19.3-25.3) of women and 6.3% (4.1-9.1) of men met the IDF definition of MetS (P < 0.001). In both sexes, there was no significant difference in MetS prevalence between NNRTIs. However, in women taking zidovudine as nucleoside reverse transcriptase inhibitor (NRTI), MetS prevalence was 27.9%, vs. 18.8% in those taking tenofovir. In the multivariate logistic regression allowing for socio-demographic and clinical covariates, ART containing zidovudine was associated with MetS in women (aOR 2.17 (1.46-3.22), P < 0.001) but not in men.

CONCLUSION

In this study, taking ART containing zidovudine instead of tenofovir disoproxil was an independent predictor of MetS in women but not in men. This finding endorses WHO's recommendation of tenofovir as preferred NRTI.

Impact of Global Health Research Training on Scholarly Productivity: The Fogarty International Clinical Research Scholars and Fellows Program

In the Fogarty International Clinical Research Scholars and Fellows (FICRS-F) Program, 536 U.S. and international doctoral and postdoctoral health profession students and trainees completed 1-year research training at research centers in low- and middle-income countries. To evaluate the Program's impact, we analyzed data gathered prospectively during the Program, from PubMed, and from a representative survey of alumni. Of 100 randomly selected respondents, 94 returned the survey. Reflecting the sources of funding, human immunodeficiency virus/acquired immunodeficiency syndrome was the focus of 47% of the projects, but research in noncommunicable diseases (NCDs) and dual infection/NCD-related topics increased over time. Among the first 1,617 alumni publications, output was associated positively with being an international versus U.S. trainee, a postdoctoral Fellow versus predoctoral Scholar, and accumulation of more years post-training (all P < 0.001). Fellows were first author on a higher proportion of their articles than were Scholars (P < 0.001), and U.S. trainees were more often first author than international trainees (P = 0.04). Survey respondents had submitted 117 grant applications, and 79 (67.5%) had been funded. The FICRS-F Program yielded substantial research productivity in the early post-training years. Research outputs and impact will increase over time as alumni careers mature and they gain research independence and assume leadership positions.

Southern Africa: the Highest Priority Region for HIV Prevention and Care Interventions

The global HIV pandemic began to expand rapidly in southern Africa a decade later than was noted in central Africa, Europe, the Caribbean, and North America. Multiple factors played a role in this rapid expansion which led Southern Africa to become the most heavily afflicted region for HIV/AIDS globally. In this issue of Current HIV/AIDS Reports, investigators with active research interests in the region have reviewed key elements of the causes of and responses to the epidemic. Putative causes of the high HIV prevalence in the region are discussed, including host and viral biology, human behavior, politics and policy, structural factors, health services, health workforce, migration, traditional healers' role, and other issues. Regional epidemiological trends are described and forecasted. Issues related to the continuum of HIV care and treatment are highlighted. We hope that the reviews will prove useful to those policymakers, health care workers, and scientists who are striving to reduce the burden of HIV in the southern African region, as well as prove insightful for key issues of broader global relevance.

Patterns of HIV, TB, and non-communicable disease multi-morbidity in peri-urban South Africa- a cross sectional study

Background

Many low and middle-income countries are experiencing colliding epidemics of chronic infectious (ID) and non-communicable diseases (NCD). As a result, the prevalence of multiple morbidities (MM) is rising.

Methods

We conducted a study to describe the epidemiology of MM in a primary care clinic in Khayelitsha. Adults with at least one of HIV, tuberculosis (TB), diabetes (DM), and hypertension (HPT) were identified between Sept 2012-May 2013 on electronic databases. Using unique patient identifiers, drugs prescribed across all facilities in the province were linked to each patient and each drug class assigned a condition.

Results

These 4 diseases accounted for 45% of all prescription visits. Among 14364 chronic disease patients, HPT was the most common morbidity (65%). 22.6% of patients had MM, with an increasing prevalence with age; and a high prevalence among younger antiretroviral therapy (ART) patients (26% and 30% in 18-35 yr and 36–45 year age groups respectively). Among these younger ART patients with MM, HPT and DM prevalence was higher than in those not on ART.

Conclusions

We highlight the co-existence of multiple ID and NCD. This presents both challenges (increasing complexity and the impact on health services, providers and patients), and opportunities for chronic diseases screening in a population linked to care. It also necessitates re-thinking of models of health care delivery and requires policy interventions to integrate and coordinate management of co-morbid chronic diseases.

Global HIV epidemiology: A guide for strategies in prevention and care

Global trends in HIV incidence are estimated typically by serial prevalence surveys in selected sentinel populations or less often in representative population samples. Incidence estimates are often modeled because cohorts are costly to maintain and are rarely representative of larger populations. From global trends, we can see reason for cautious optimism. Downward trends in generalized epidemics in Africa, concentrated epidemics in persons who inject drugs (PWID), some female sex worker cohorts, and among older men who have sex with men (MSM) have been noted. However, younger MSM and those from minority populations, as with black MSM in the United States, show continued transmission at high rates. Among the many HIV prevention strategies, current efforts to expand testing, linkage to effective care, and adherence to antiretroviral therapy are known as "treatment as prevention" (TasP). A concept first forged for the prevention of mother to child transmission, TasP generates high hopes that persons treated early will derive considerable clinical benefits and that lower infectiousness will reduce transmission in communities. With the global successes of risk reduction for PWID, we have learned that reducing marginalization of the at-risk population, implementation of nonjudgmental and pragmatic sterile needle and syringe exchange programs, and offering of opiate substitution therapy to help persons eschew needle use altogether can work to reduce the HIV epidemic. Never has the urgency of stigma reduction and guarantees of human rights been more urgent; a public health approach to at-risk populations requires that to avail themselves of prevention services and they must feel welcomed.

HIV and noncommunicable disease comorbidities in the era of antiretroviral therapy: a vital agenda for research in low- and middle-income country settings

In this special 2014 issue of JAIDS, international investigator teams review a host of noncommunicable diseases (NCDs) that are often reported among people living and aging with HIV in sub-Saharan Africa. With the longer lifespans that antiretroviral therapy programs have made possible, NCDs are occurring due to a mix of chronic immune activation, medication side effects, coinfections, and the aging process itself. Cancer; cardiovascular and pulmonary diseases; metabolic, body, and bone disorders; gastrointestinal, hepatic, and nutritional aspects; mental, neurological, and substance use disorders; and renal and genitourinary diseases are discussed. Cost-effectiveness, key research methods, and issues of special importance in Asia, Latin America, and the Caribbean are also addressed. In this introduction, we present some of the challenges and opportunities for addressing HIV and NCD comorbidities in low- and middle-income countries, and preview the research agenda that emerges from the articles that follow.