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aging Africa

Prashant Singh, Ananya Arora, Tor A Strand, Daniel A Leffler, Carlo Catassi, Peter H Green, Ciaran P Kelly, Vineet Ahuja, Govind K Makharia
BACKGROUND & AIMS: Celiac disease is a major public health problem worldwide. Although initially it was reported from countries with predominant Caucasian populations, it now has been reported from other parts of the world. The exact global prevalence of celiac disease is not known. We conducted a systematic review and meta-analysis to estimate the global prevalence of celiac disease. METHODS: We searched Medline, PubMed, and EMBASE for the keywords celiac disease, celiac, celiac disease, tissue transglutaminase antibody, anti-endomysium antibody, endomysial antibody, and prevalence for studies published from January 1991 through March 2016...
March 15, 2018: Clinical Gastroenterology and Hepatology
Devender Bhalla, Elham Lotfalinezhad, Fatemah Amini, Mohsen Salmannejad, Vahid Reza Borhani Nezhad, Seyedeh Fatemeh Rezai Kooshalshah, Ahmed Delbari, Reza Fadayevatan, I Irmansyah, Abdalla Abdelrahman, Nanda Kumar Bhatta, Kurosh Gharagozli
BACKGROUND: The risk of dementia is reported as "epidemic" and "looming" over the Middle East and North Africa (MENA) region. For this, we performed a multi-language review and feasible analysis on the incidence of dementia to offer apt conclusions. METHODS: Totally, 3 databases (Magiran, Scientific Information Database, and PubMed) and 1 non-database source (Google) were searched in French, English, and Persian by using specific keywords and their combinations...
March 14, 2018: Neuroepidemiology
Lindsay P Galway, Yubraj Acharya, Andrew D Jones
Deforestation worldwide could have important consequences for diet quality and human nutrition given the numerous ecosystem services that are provided by forests and biodiverse landscapes. Yet, empirical research assessing the links between deforestation and diets is lacking. In this study, we examined the association between deforestation and diet diversity among children using geolocated Demographic and Health Survey data for 33,777 children across 15 countries of sub-Saharan Africa coupled with remotely-sensed data on forest cover loss...
March 15, 2018: Health & Place
Jarrod M Zamparini, Andrew R Immelman, Frederick J Raal
BACKGROUND: Patients with homozygous familial hypercholesterolemia (HoFH) develop significant vascular calcification early in life, the cause of which is not yet fully understood. Patients with chronic kidney disease have similar vascular calcification, with fibroblast growth factor-23 (FGF23) implicated in these patients. OBJECTIVE: To determine whether there was a difference in FGF23 between patients with HoFH and age- and gender-matched controls and whether there is a correlation between FGF23 and serum low-density lipoprotein, total cholesterol, and carotid intima-media thickness in patients with HoFH...
February 16, 2018: Journal of Clinical Lipidology
Bronwyn Myers, Crick Lund, Carl Lombard, John Joska, Naomi Levitt, Christopher Butler, Susan Cleary, Tracey Naledi, Peter Milligan, Dan J Stein, Katherine Sorsdahl
BACKGROUND: In low- and middle-income countries (LMIC), it is uncertain whether a "dedicated" approach to integrating mental health care (wherein a community health worker (CHW) has the sole responsibility of delivering mental health care) or a "designated" approach (wherein a CHW provides this service in addition to usual responsibilities) is most effective and cost-effective. This study aims to compare the effectiveness and cost-effectiveness of these two models of service integration relative to treatment as usual (TAU) for improving mental health and chronic disease outcomes among patients with HIV or diabetes...
March 16, 2018: Trials
Stefanie Kroeze, Pascale Ondoa, Cissy M Kityo, Margaret Siwale, Sulaimon Akanmu, Maureen Wellington, Marleen de Jager, Prudence Ive, Kishor Mandaliya, Wendy Stevens, T Sonia Boender, Marieke E de Pundert, Kim C E Sigaloff, Peter Reiss, Ferdinand W Wit, Tobias F Rinke de Wit, Raph L Hamers
OBJECTIVE: To assess incidence, determinants and clinical consequences of suboptimal immune recovery in HIV-1 infected adults in sub-Saharan Africa with sustained viral suppression on antiretroviral therapy (ART). DESIGN: Multi-country prospective cohort. METHODS: Suboptimal immune recovery was defined as proportions of participants who failed to attain clinically relevant CD4 cell count thresholds (>200, >350 and >500 cells/μL) despite sustained viral suppression on continuous first-line ART...
March 15, 2018: AIDS
Alan L Deino, Anna K Behrensmeyer, Alison S Brooks, John E Yellen, Warren D Sharp, Richard Potts
The origin of the Middle Stone Age (MSA) denotes the transition from a highly persistent mode of stone toolmaking, the Acheulean, to a period of increasing technological innovation and cultural indicators associated with the evolution of Homo sapiens Here we use40 Ar/39 Ar and U-series dating to calibrate the chronology of Acheulean- and early MSA-rich sedimentary deposits in the Olorgesailie Basin, South Kenya Rift. We establish the age of late Acheulean tool assemblages from 615 to 499 ka, after which a large technological and faunal transition occurred, with definitive MSA lacking Acheulean elements beginning most likely by ~320 ka, but at least by 305 ka...
March 15, 2018: Science
Richard Potts, Anna K Behrensmeyer, J Tyler Faith, Christian A Tryon, Alison S Brooks, John E Yellen, Alan L Deino, Rahab Kinyanjui, Jennifer B Clark, Catherine Haradon, Naomi E Levin, Hanneke J M Meijer, Elizabeth G Veatch, R Bernhart Owen, Robin W Renaut
Development of the African Middle Stone Age (MSA) before 300 thousand years ago (ka) raises the question of how environmental change influenced the evolution of behaviors characteristic of early Homo sapiens We use temporally well-constrained sedimentological and paleoenvironmental data to investigate environmental dynamics before and after the appearance of the early MSA in the Olorgesailie Basin, Kenya. In contrast to the Acheulean archeological record in the same basin, MSA sites are associated with a dramatically different faunal community, more pronounced erosion-deposition cycles, tectonic activity, and enhanced wet-dry variability...
March 15, 2018: Science
Weicheng Ren, Xiaofei Ye, Hong Su, Wei Li, Dongbing Liu, Mohammad Pirmoradian, Xianhuo Wang, Bo Zhang, Qiang Zhang, Longyun Chen, Man Nie, Yao Liu, Bin Meng, Huiqiang Huang, Wenqi Jiang, Yixin Zeng, Wenyu Li, Kui Wu, Yong Hou, Klas G Wiman, Zhiming Li, Huilai Zhang, Roujun Peng, Shida Zhu, Qiang Pan-Hammarström
Hepatitis B virus (HBV) infection is endemic in some parts of Asia, Africa and South America and remains to be a significant public health problem in these areas. It is known as a leading risk factor for the development of hepatocellular carcinoma, but epidemiological studies have also shown that the infection may increase the incidence of several types B-cell lymphoma. Here, by characterizing altogether 275 Chinese diffuse large B-cell lymphoma (DLBCL) patients, we showed that patients with concomitant HBV infection (surface antigen positive, HBsAg+ ) are characterized by a younger age, a more advanced disease stage at diagnosis and a reduced overall survival...
March 15, 2018: Blood
Carine Smith
The modern lifestyle is characterised by various factors that cause accelerating ageing by the upregulation of oxidative stress and inflammation-two processes that are inextricably linked in an endless circle of self-propagation. Inflammation in particular is commonly accepted as aetiological factor in many chronic disease states, such as obesity, diabetes and depression. In terms of disease prevention or treatment, interventions aimed at changing dietary and/or exercise habits have had limited success in practise, mostly due to poor long-term compliance...
March 14, 2018: Journal of Physiology and Biochemistry
Nancy Innocentia Ebu
Background: The burden of HIV and cervical cancer is concentrated in sub-Saharan Africa. Women with HIV are more likely to have persistent HPV infection leading to cervical abnormalities and cancer. Cervical cancer screening seems to be the single most critical intervention in any efforts to prevent cervical cancer. The purpose of this study was to determine the socio-demographic factors influencing intention to seek cervical cancer screening by HIV-positive women in the Central Region of Ghana...
2018: Gynecologic Oncology Research and Practice
Isatou K Jallow, John Britton, Tessa Langley
BACKGROUND: Annually, 600 000 deaths are attributed to exposure of non-smokers to secondhand smoke (SHS). These include 165 000 among children, about 60% of which occur in Africa and Southeast Asia. As of 2017, only seven countries in the African region had comprehensive smoke-free legislation covering all public places. Given the increasing prevalence of smoking in many low-income countries, preventing exposure to SHS is an urgent public health priority, particularly in Sub-Saharan Africa...
March 14, 2018: BMJ Open
Matthew Quaife, Fern Terris-Prestholt, Robyn Eakle, Maria A Cabrera Escobar, Maggie Kilbourne-Brook, Mercy Mvundura, Gesine Meyer-Rath, Sinead Delany-Moretlwe, Peter Vickerman
INTRODUCTION: A number of antiretroviral HIV prevention products are efficacious in preventing HIV infection. However, the sexual and reproductive health needs of many women extend beyond HIV prevention, and research is ongoing to develop multi-purpose prevention technologies (MPTs) that offer dual HIV and pregnancy protection. We do not yet know if these products will be an efficient use of constrained health resources. In this paper, we estimate the cost-effectiveness of combinations of candidate multi-purpose prevention technologies (MPTs), in South Africa among general population women and female sex workers (FSWs)...
March 2018: Journal of the International AIDS Society
Ngwobia Peter Agwu, Kehinde Joseph Awosan, Solomon Ifeanyi Ukwuani, Emmanuel Ugbede Oyibo, Muhammad Aliyu Makusidi, Rotimi Abiodun Ajala
Background: Access to renal replacement therapy by the increasing population of patients with end-stage kidney disease across Sub-Saharan Africa, including Nigeria, has become a major public health challenge. Although deceased kidney donation constitutes a viable source, its uptake by patients is contingent on its acceptance by health-care workers. Objectives: The aim of this study is to assess the awareness and attitude to deceased kidney donation among health-care workers in Sokoto, Nigeria...
April 2018: Annals of African Medicine
Monicca Leseyane, Peter Mandende, Mary Makgato, Madoda Cekiso
Background: Inclusive education requires that the framework within which education is delivered should be broad enough to accommodate equally the needs and circumstances of every learner in the society. This includes learners with disabilities like dyslexia who have been excluded from the formal education system. This article reports the findings of a qualitative study that explored and described the dyslexic learners' experiences with their peers and teachers in special and public schools in North-West Province of South Africa...
2018: African Journal of Disability
Uva Vera, Päckert Martin, Cibois Alice, Fumagalli Luca, Roulin Alexandre
The owl family Tytonidae comprises two genera: Phodilus, limited to the forests of central Africa and South-East Asia, and the ubiquitous Tyto. The genus Tyto is majorly represented by the cosmopolitan Common Barn Owl group, with more than 30 subspecies worldwide. Discrete differences in body size and plumage colouration have led to the classification of this family into many species and subspecies, but the taxonomic status and phylogenetic relationships between taxa remain unclear, and in some groups controversial...
March 10, 2018: Molecular Phylogenetics and Evolution
Tieba Millogo, Brice W Bicaba, Joseph Kouesyandé Soubeiga, Estelle Dabiré, Isaie Médah, Séni Kouanda
BACKGROUND: The prevalence of diabetes mellitus (DM) is reportedly growing fast in sub-Saharan Africa. There is however a scarcity of epidemiologic data on DM in Burkina Faso. We carried out a secondary analysis of the first survey conducted in Burkina Faso on a nationally representative sample following the World Health Organization (WHO) Stepwise approach to risk factors Surveillance (STEPS) for non-communicable diseases (NCDs) with the aims of identifying the prevalence of NCDs and the prevalence of common risk factors for NCDs...
March 13, 2018: BMC Public Health
Colleen Edith Archer, M Corrie Schoeman, Christopher Charles Appleton, Samson Mukaratirwa, Karen J Hope, Glenda Beverly Matthews
This study investigated associations between Trypanosoma lewisi; Xenopsylla cheopis, a common cyclical vector of T. lewisi; Polyplax spinulosa, a reported mechanical vector; and Laelaps ecidnina and L. lamborni, two rodent mites of Rattus norvegicus in Durban. Three hundred and seventy nine R. norvegicus were live-trapped at 48 sites in 4 locality types of Durban during a one year period. Rats were euthanized, cardiac blood was taken to check for hemoparasites and ectoparasites were removed for identification...
March 13, 2018: Journal of Parasitology
Hayley K Hutton, Heather J Zar, Andrew C Argent
Aim: Severe acute lower respiratory tract infection (ALRTI) remains an important cause of childhood morbidity and mortality. Methods: This is a 12-month retrospective cohort study of children (0-12 years) admitted to a pediatric intensive care unit (PICU) with ALRTI to investigate risk factors, clinical course and in-hospital survival. Results: In total, 265 patients (median age = 4 months [2-12 months]) were identified. In all,102 (38...
March 9, 2018: Journal of Tropical Pediatrics
Rachel Bennett, Philippa Waterhouse
Understanding the transition to adulthood has important implications for supporting young adults and understanding the roots of diversity in wellbeing later in life. In South Africa, the end of Apartheid means today's youth are experiencing their transition to adulthood in a changed social and political context which offers opportunities compared to the past but also threats. This paper presents the first national level analysis of the patterning of key transitions (completion of education, entry into the labour force, motherhood and marriage or cohabitation), and the association between the different pathways and health amongst young women...
March 2, 2018: Social Science & Medicine
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