How Providing Cervical Cancer Screening Results via Cell Phone Affects Patient Follow-Up Rates in Western Kenya

Purpose: Human papillomavirus (HPV) testing is being more widely used in simplified cervical cancer screening protocols in low-resource settings. One challenge to successful implementation is the multiple visits necessary to provide results and follow-up. mHealth strategies may reduce visit burden by providing information through text message. Methods: As part of a cluster-randomized trial to compare HPV testing in clinics and community health campaigns in western Kenya, we carried out a mixed-methods study to assess women\u27s preferences and experiences with different strategies to receive their results. Women could opt to receive their HPV results via text message, cell phone call, home visit, or return clinic visit. We examined overall receipt of results, follow-up rates, and acceptability by notification method. Results: Among the 4,947 women who underwent HPV-based cervical cancer screening, 1,596 (32%) received results via text message, 1,181 (24%) via cell phone call, 1,563 (32%) via clinic visit, and 605 (12%) via home visit. Women opting for texts or calls were younger and had higher rates of prior cervical cancer screening, HIV testing, and modern contraceptive use (P \u3c .001 for all). Home visits were associated with a significantly higher rate of treatment acquisition (45%) than texts (38%), cell phone calls (38%), and clinic visits (23%; P \u3c .001). In a model controlling for age, prior screening, HIV testing, and contraceptive use, clinic visits remained significantly associated with decreased odds of treatment (adjusted odds ratio, 0.45; 95% CI, 0.29 to 0.69) compared with texts. Among treated women, there was no difference in time to treatment by notification method. Conclusion: Cell phone-based results notification strategies were preferred by women with greater health-seeking behavior; however, HPV-positive women who received results via home visit were more likely to pursue for treatment

Whole genome analysis of local Kenyan and global sequences unravels the epidemiological and molecular evolutionary dynamics of RSV genotype ON1 strains

The respiratory syncytial virus (RSV) group A variant with the 72-nucleotide duplication in the G gene, genotype ON1, was first detected in Kilifi in 2012 and has almost completely replaced previously circulating genotype GA2 strains. This replacement suggests some fitness advantage of ON1 over the GA2 viruses, and might be accompanied by important genomic substitutions in ON1 viruses. Close observation of such a new virus introduction over time provides an opportunity to better understand the transmission and evolutionary dynamics of the pathogen. We have generated and analyzed 184 RSV-A whole genome sequences (WGS) from Kilifi (Kenya) collected between 2011 and 2016, the first ON1 genomes from Africa and the largest collection globally from a single location. Phylogenetic analysis indicates that RSV-A transmission into this coastal Kenya location is characterized by multiple introductions of viral lineages from diverse origins but with varied success in local transmission. We identify signature amino acid substitutions between ON1 and GA2 viruses within genes encoding the surface proteins (G, F), polymerase (L) and matrix M2-1 proteins, some of which were identified as positively selected, and thereby provide an enhanced picture of RSV-A diversity. Furthermore, five of the eleven RSV open reading frames (ORF) (i.e. G, F, L, N and P), analyzed separately, formed distinct phylogenetic clusters for the two genotypes. This might suggest that coding regions outside of the most frequently studied G ORF play a role in the adaptation of RSV to host populations with the alternative possibility that some of the substitutions are nothing more than genetic hitchhikers. Our analysis provides insight into the epidemiological processes that define RSV spread, highlights the genetic substitutions that characterize emerging strains, and demonstrates the utility of large-scale WGS in molecular epidemiological studies

Clinical readiness for essential maternal and child health services in Kenya: A cross-sectional survey

High rates of maternal and neonatal morbidity and mortality in Kenya may be influenced by provider training and knowledge in emergency obstetric and neonatal care in addition to availability of supplies necessary for this care. While post-abortion care is a key aspect of life-saving maternal health care, no validated questionnaires have been published on provider clinical knowledge in this arena. Our aim was to determine provider knowledge of maternal-child health (MCH) emergencies (post-abortion care, pre-eclampsia, postpartum hemorrhage, neonatal resuscitation) and determine factors associated with clinical knowledge. Our secondary aim was to pilot a case-based questionnaire on post-abortion care. We conducted a cross-sectional survey of providers at health facilities in western Kenya providing maternity services. Providers estimated facility capacity through perceived availability of both general and specialized supplies. Providers reported training on the MCH topics and completed case-based questions to assess clinical knowledge. Knowledge was compared between topics using a linear mixed model. Multivariable models identified variables associated with scores by topic. 132 providers at 37 facilities were interviewed. All facilities had access to general supplies at least sometime while specialized supplies were available less frequently. While only 56.8% of providers reported training on post-abortion care, more than 80% reported training on pre-eclampsia, postpartum hemorrhage, and neonatal resuscitation. Providers’ clinical knowledge across all topics was low (mean score of 63.3%), with significant differences in scores by topic area. Despite less formal training in the subject area, providers answered 71.6% (SD 16.7%) questions correctly on post-abortion care. Gaps in supply availability, training, and clinical knowledge on MCH emergencies exist. Increasing training on MCH topics may decrease pregnancy and postpartum complications. Further, validated tools to assess knowledge in post-abortion care should be created, particularly in sub-Saharan Africa where legal restrictions on abortion services exist and many abortions are performed in unsafe settings

HIV-1 Coreceptor Tropism among Kenyans Under Highly Active Antiretroviral Therapy.

Despite the scale up of the use of combined highly active antiretroviral (ARV) therapy, many HIV-1 infected patients are still failing treatment in Kenya. In 2007, the Food Drug and Administration (FDA) approved the use of CCR5 antagonists in treatment experienced patients. CCR5 antagonists work by inhibiting the entry of HIV-1 that uses CCR5 as a coreceptor to gain entry into cells. CCR5 59029 A/G (promoter region—rs1799987) is a polymorphism that leads to the upregulation of the expression of the CCR5 protein thereby affecting the rate of HIV-1 infection. The use of these CCR5 antagonists in Kenya is limited partly because of minimal data on host genetics and coreceptor tropism among HIV-1 infected patients. In this study, we aimed at determining the prevalence of CCR5 tropic variants and CCR5 59029AG promoter polymorphism known to influence HIV-1 infection. We sequenced the V3 region of the env gene and inferred the HIV-1 tropism using clonal model of Geno2Pheno algorithm (FPR= 5%).   Also, we assessed the frequency of the CCR5 promoter polymorphisms among the patients by sequencing the polymorphic region of the CCR5 promoter. Majority of the patients (77.27%) had R5 tropic viruses whereas 22.73% of the study subjects had detectable CCR4 using viruses. The frequencies of the CCR5 59029 AA, AG, and GG genotypes were 14 (31.82%), 9 (20.45%) and 21(47.73%), respectively. Taken together, these results indicate that CCR5 antagonists could have potential therapeutic effects in the clinical management of HIV-1 among the infected patients in Kenya. Key words: CCR5 antagonists, CCR5 59029AG, HAART, HIV-1, Polymorphism, Tropis

A hyperchaotic system without equilibrium

Abstract: This article introduces a new chaotic system of 4-D autonomous ordinary differential equations, which has no equilibrium. This system shows a hyper-chaotic attractor. There is no sink in this system as there is no equilibrium. The proposed system is investigated through numerical simulations and analyses including time phase portraits, Lyapunov exponents, and Poincaré maps. There is little difference between this chaotic system and other chaotic systems with one or several equilibria shown by phase portraits, Lyapunov exponents and time series methods, but the Poincaré maps show this system is a chaotic system with more complicated dynamics. Moreover, the circuit realization is also presented

The Ethnomedicine of the Haya people of Bugabo ward, Kagera Region, north western Tanzania

\ud The Kagera region, in north western Tanzania, is endowed with a strong culture of traditional medicine that is well supported by a rich diversity of medicinal plants. However, most of the plants in this region have not been documented nor evaluated for safety and efficacy. As an initiative in that direction, this study documented the knowledge on medicinal plant use by traditional healers of Bugabo Ward in Bukoba District. Key informants were selected with the help of local government officials and information on their knowledge and use of plants for therapeutic purposes was gathered using a semi-structured interview format. In this study 94 plant species representing 84 genera and 43 families were found to be commonly used in the treatment of a variety of human ailments. The family Asteraceae had the highest number of species being used as traditional medicines. The study revealed that Malaria is treated using the highest number of different medicinal species (30), followed by skin conditions (19), maternal illnesses and sexually transmitted diseases (14), respiratory diseases (11) and yellow fever, Herpes simplex and peptic ulcers (10). Majority of the species are used to treat less than five different diseases/conditions each and leaves were the most commonly used part, comprising 40% of all the reports on use of plant parts. Trees comprised the most dominant growth form among all plants used for medicinal purposes in the study area. Bugabo Ward has a rich repository of medicinal plants and this reinforces the need for an extensive and comprehensive documentation of medicinal plants in the area and a concomitant evaluation of their biological activity as a basis for developing future medicines.\u

Analysis of additivity and synergism in the anti-plasmodial effect of purified compounds from plant extracts

In the search for antimalarials from ethnobotanical origin, plant extracts are chemically fractionated and biological tests guide the isolation of pure active compounds. To establish the responsibility of isolated active compound(s) to the whole antiplasmodial activity of a crude extract, the literature in this field was scanned and results were analysed quantitatively to find the contribution of the pure compound to the activity of the whole extract. It was found that, generally, the activity of isolated molecules could not account on their own for the activity of the crude extract. It is suggested that future research should take into account the “drugs beside the drug”, looking for those products (otherwise discarded along the fractionation process) able to boost the activity of isolated active compounds

Food access and diet quality are associated with quality of life outcomes among HIV-infected individuals in Uganda.

BACKGROUND: Food insecurity is associated with poor nutritional and clinical outcomes among people living with HIV/AIDS. Few studies investigate the link between food insecurity, dietary diversity and health-related quality of life among people living with HIV/AIDS. OBJECTIVE: We investigated whether household food access and individual dietary diversity are associated with health-related quality of life among people living with HIV/AIDS in Uganda. METHODS: We surveyed 902 people living with HIV/AIDS and their households from two clinics in Northern Uganda. Health-related quality of life outcomes were assessed using the Medical Outcomes Study (MOS)-HIV Survey. We performed multivariate regressions to investigate the relationship between health-related quality of life, household food insecurity and individual dietary diversity. RESULTS: People living with HIV/AIDS from severe food insecurity households have mean mental health status scores that are 1.7 points lower (p<.001) and physical health status scores that are 1.5 points lower (p<.01). Individuals with high dietary diversity have mean mental health status scores that were 3.6 points higher (p<.001) and physical health status scores that were 2.8 points higher (p<.05). CONCLUSIONS: Food access and diet quality are associated with health-related quality of life and may be considered as part of comprehensive interventions designed to mitigate psychosocial consequences of HIV