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https://www.readbyqxmd.com/read/28526019/mass-anti-malarial-administration-in-western-cambodia-a-qualitative-study-of-factors-affecting-coverage
#1
Christopher Pell, Rupam Tripura, Chea Nguon, Phaikyeong Cheah, Chan Davoeung, Chhouen Heng, Lim Dara, Ma Sareth, Arjen Dondorp, Lorenz von Seidlein, Thomas J Peto
BACKGROUND: Mass anti-malarial administration has been proposed as a key component of the Plasmodium falciparum malaria elimination strategy in the Greater Mekong sub-Region. Its effectiveness depends on high levels of coverage in the target population. This article explores the factors that influenced mass anti-malarial administration coverage within a clinical trial in Battambang Province, western Cambodia. METHODS: Qualitative data were collected through semi-structured interviews and focus group discussions with villagers, in-depth interviews with study staff, trial drop-outs and refusers, and observations in the communities...
May 19, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28514450/evolutionary-enhancement-of-zika-virus-infectivity-in-aedes-aegypti-mosquitoes
#2
Yang Liu, Jianying Liu, Senyan Du, Chao Shan, Kaixiao Nie, Rudian Zhang, Xiao-Feng Li, Renli Zhang, Tao Wang, Cheng-Feng Qin, Penghua Wang, Pei-Yong Shi, Gong Cheng
Zika virus (ZIKV) remained obscure until the recent explosive outbreaks in French Polynesia (2013-2014) and South America (2015-2016). Phylogenetic studies have shown that ZIKV has evolved into African and Asian lineages. The Asian lineage of ZIKV was responsible for the recent epidemics in the Americas. However, the underlying mechanisms through which ZIKV rapidly and explosively spread from Asia to the Americas are unclear. Non-structural protein 1 (NS1) facilitates flavivirus acquisition by mosquitoes from an infected mammalian host and subsequently enhances viral prevalence in mosquitoes...
May 17, 2017: Nature
https://www.readbyqxmd.com/read/28506523/integration-of-population-census-and-water-point-mapping-data-a-case-study-of-cambodia-liberia-and-tanzania
#3
Weiyu Yu, Nicola A Wardrop, Robert Bain, Jim A Wright
Sustainable Development Goal (SDG) 6 has expanded the Millennium Development Goals' focus from improved drinking-water to safely managed water services. This expanded focus to include issues such as water quality requires richer monitoring data and potentially integration of datasets from different sources. Relevant data sets include water point mapping (WPM), the survey of boreholes, wells and other water points, census and household survey data. This study examined inconsistencies between population census and WPM datasets for Cambodia, Liberia and Tanzania, and identified potential barriers to integrating the two datasets to meet monitoring needs...
May 4, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28495384/medicinal-chemistry-of-antischistosomal-drugs-praziquantel-and-oxamniquine
#4
REVIEW
Vinícius Barros Ribeiro da Silva, Bruna Rafaella Koresch Leiva Campos, Jamerson Ferreira de Oliveira, Jean-Luc Decout, Maria do Carmo Alves de Lima
Neglected tropical diseases (NTDs) are a group of diseases that, besides prevailing in poverty conditions, contribute to the maintenance of social inequality, being a strong barrier to a country development. Schistosomiasis, a NTD, is a tropical and subtropical disease caused by the trematode Schistosoma mansoni (Africa, Middle East, Caribbean, Brazil, Venezuela, Suriname), japonicum (China, Indonesia, the Philippines), mekongi (several districts of Cambodia and the Lao People's Democratic Republic), intercalatum and guianensis (areas of tropical rainforests in Central Africa) and hematobium (Middle East Africa, Corsica, France) whose adult forms inhabit the mesenteric vessels of the host, while the intermediate forms are found in the aquatic gastropod snails of the genus Biomphalaria...
April 27, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28494763/artemisinin-resistance-without-pfkelch13-mutations-in-plasmodium-falciparum-isolates-from-cambodia
#5
Angana Mukherjee, Selina Bopp, Pamela Magistrado, Wesley Wong, Rachel Daniels, Allison Demas, Stephen Schaffner, Chanaki Amaratunga, Pharath Lim, Mehul Dhorda, Olivo Miotto, Charles Woodrow, Elizabeth A Ashley, Arjen M Dondorp, Nicholas J White, Dyann Wirth, Rick Fairhurst, Sarah K Volkman
BACKGROUND: Artemisinin resistance is associated with delayed parasite clearance half-life in vivo and correlates with ring-stage survival under dihydroartemisinin in vitro. Both phenotypes are associated with mutations in the PF3D7_1343700 pfkelch13 gene. Recent spread of artemisinin resistance and emerging piperaquine resistance in Southeast Asia show that artemisinin combination therapy, such as dihydroartemisinin-piperaquine, are losing clinical effectiveness, prompting investigation of drug resistance mechanisms and development of strategies to surmount emerging anti-malarial resistance...
May 12, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28491925/no-camphor-toxicity-in-cambodian-infants
#6
Casey R Johnson, Samuel G Porter, Debra Coats, Kyly C Whitfield, Khin Mengkheang, Mark D Topazian, Philip R Fischer
Thiamine deficiency and beriberi are prevalent in Cambodia, although most infants with nonspecific clinical symptoms of beriberi, including tachypnea, lack echocardiographic evidence diagnostic of the disease. Camphor activates transient receptor potential vanilloid 3 (TRPV3), a nonselective ion channel expressed in the medial preoptic nucleus of the hypothalamus and thought to be important for thermo-sensitivity. Because camphorated ointments are used commonly among Cambodian infants, we hypothesized that topical camphor modulates thermoregulatory behaviors, causing beriberi-simulating tachypnea, separate from any influence of thiamine deficiency...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28487425/a-variant-pfcrt-isoform-can-contribute-to-plasmodium-falciparum-resistance-to-the-first-line-partner-drug-piperaquine
#7
Satish K Dhingra, Devasha Redhi, Jill M Combrinck, Tomas Yeo, John Okombo, Philipp P Henrich, Annie N Cowell, Purva Gupta, Matthew L Stegman, Jonathan M Hoke, Roland A Cooper, Elizabeth Winzeler, Sachel Mok, Timothy J Egan, David A Fidock
Current efforts to reduce the global burden of malaria are threatened by the rapid spread throughout Asia of Plasmodium falciparum resistance to artemisinin-based combination therapies, which includes increasing rates of clinical failure with dihydroartemisinin plus piperaquine (PPQ) in Cambodia. Using zinc finger nuclease-based gene editing, we report that addition of the C101F mutation to the chloroquine (CQ) resistance-conferring PfCRT Dd2 isoform common to Asia can confer PPQ resistance to cultured parasites...
May 9, 2017: MBio
https://www.readbyqxmd.com/read/28485694/childhood-pneumonia-diagnostics-community-health-workers-and-national-stakeholders-differing-perspectives-of-new-and-existing-aids
#8
Hollie Spence, Kevin Baker, Alexandra Wharton-Smith, Akasiima Mucunguzi, Lena Matata, Tedila Habte, Diana Nanyumba, Anteneh Sebsibe, Thol Thany, Karin Källander
BACKGROUND: Pneumonia heavily contributes to global under-five mortality. Many countries use community case management to detect and treat childhood pneumonia. Community health workers (CHWs) have limited tools to help them assess signs of pneumonia. New respiratory rate (RR) counting devices and pulse oximeters are being considered for this purpose. OBJECTIVE: To explore perspectives of CHWs and national stakeholders regarding the potential usability and scalability of seven devices to aid community assessment of pneumonia signs...
2017: Global Health Action
https://www.readbyqxmd.com/read/28483087/suicidal-behaviors-and-associated-factors-among-university-students-in-six-countries-in-the-association-of-southeast-asian-nations-asean
#9
Karl Peltzer, Siyan Yi, Supa Pengpid
A large data gap remains on suicidal behaviors among youth in the Association of Southeast Asian Nations (ASEAN) countries, despite the increasing rates of suicide in Asian cultures that may be related to rapid economic changes and the loss of social stability. This study was therefore conducted to explore the prevalence of and factors associated with suicidal ideation and suicide attempts among university students in six ASEAN member states. Data were collected in a cross-sectional survey of 4675 undergraduate university students, mean age 20...
April 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/28482899/improving-access-to-health-care-amongst-vulnerable-populations-a-qualitative-study-of-village-malaria-workers-in-kampot-cambodia
#10
Marco Liverani, Chea Nguon, Ra Sok, Daro Kim, Panharith Nou, Sokhan Nguon, Shunmay Yeung
BACKGROUND: There is growing interest in the expansion of community health workers programmes in low- and middle-income countries as a cost-effective approach to address shortages of health professionals. However, our understanding of the reception of large-scale programmes and how to improve them remains limited, with knowledge gaps about factors that may promote or discourage equitable access to services. This paper examines the case of the Village Malaria Workers (VMW) programme in Cambodia, an extensive community-based intervention for the management of malaria cases in remote rural areas...
May 8, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28476340/first-report-of-human-intestinal-sarcocystosis-in-cambodia
#11
Virak Khieu, Hanspeter Marti, Saomony Chhay, Meng Chuor Char, Sinuon Muth, Peter Odermatt
Human intestinal sarcocystosis (HIS), caused by Sarcocystis species, is acquired by eating undercooked meat from sarcocyst-containing cattle (S. hominis, S. heydorni) and pigs (S. suihominis). We report on the detection of human intestinal Sarcocystis infections in a cross-sectional survey of Strongyloides stercoralis in early 2014, in Rovieng District, Preah Vihear Province, northern Cambodia. Among 1081 participants, 108 (10.0%) were diagnosed with Sarcocystis spp. oocysts in stool samples. Males had a significantly higher risk of infection than females (OR: 1...
May 2, 2017: Parasitology International
https://www.readbyqxmd.com/read/28472153/first-report-and-molecular-identification-of-opisthorchis-viverrini-infection-in-human-communities-from-lower-myanmar
#12
Win Pa Pa Aung, Thi Thi Htoon, Htay Htay Tin, Kyi Kyi Thinn, Oranuch Sanpool, Jurairat Jongthawin, Lakkhana Sadaow, Issarapong Phosuk, Rutchanee Rodpai, Pewpan M Intapan, Wanchai Maleewong
Opisthorchis viverrini is endemic in the South East Asian region, especially in Cambodia, Lao People's Democratic Republic, Vietnam and Thailand, but there have been no previous records from Myanmar. During stool surveys of rural populations in three regions of Lower Myanmar, Opisthorchis-like eggs were found in 34 out of 364 (9.3%) participants by stool microscopy after using the modified formalin-ether concentration technique. DNA was extracted from these positive stool samples and a portion of the mitochondrial cytochrome c oxidase subunit I (cox1) gene was amplified using the polymerase chain reaction and then sequenced...
2017: PloS One
https://www.readbyqxmd.com/read/28470633/-anxiety-depression-and-posttraumatic-stress-disorder-in-refugees-a-systematic-review
#13
Jutta Lindert, Ondine S von Ehrenstein, Annette Wehrwein, Elmar Brähler, Ingo Schäfer
Anxiety, depression and posttraumatic stress disorder are the main psychopathological symptoms shown by refugees. We conducted a systematic review. First, we identified key-words for a systematic search in PUBMED. We included original articles since 2009 with 1) a non-clinical sample of refugees, 2) refugees living at maximum 5 years in the host country, 4) with the outcomes anxiety, depression, and PTSD and 5) a sample with >100 participants. Then we read titles, abstracts and fulltexts. We identified 1 877 studies...
May 3, 2017: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/28468688/erroneous-formulation-of-delayed-release-omeprazole-capsules-alert-for-importing-countries
#14
Mohammad Sofiqur Rahman, Naoko Yoshida, Hirohito Tsuboi, Tep Keila, Tey Sovannarith, Heng Bun Kiet, Eav Dararth, Theingi Zin, Tsuyoshi Tanimoto, Kazuko Kimura
BACKGROUND: Poor drug quality is a matter of serious concern, especially in countries where drug regulation and law enforcement are constrained by limited resources. This study was carried out to investigate the cause of quality failure of omeprazole in Cambodia in 2010 and Myanmar in 2014. METHODS: We conducted pharmacopoeial quantity, content uniformity and dissolution tests of 156 samples of omeprazole capsules collected in Cambodia in 2010 and Myanmar in 2014...
May 3, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28467233/moringa-oleifera-from-cambodia-ameliorates-oxidative-stress-hyperglycemia-and-kidney-dysfunction-in-type-2-diabetic-mice
#15
Yujiao Tang, Eun-Ju Choi, Weon Cheol Han, Mirae Oh, Jin Kim, Ji-Young Hwang, Pyo-Jam Park, Sang-Ho Moon, Yon-Suk Kim, Eun-Kyung Kim
Recent reports have shown the antidiabetic effect of Moringa oleifera from various parts of the world. However, M. oleifera from Cambodia has never determined. Therefore, the aim of this study was to assess the antidiabetic effect of M. oleifera extract from Cambodia. The leaf ethanolic extract contained flavonoids (31.90 mg/mL), polyphenols (53.03 mg/mL), lycopene (0.042 mg/mL), and ß-carotene (0.170 mg/mL), and possessed 2,2-diphenyl-1-picrylhydrazyl, hydrogen peroxide, and hydroxyl radical scavenging activities of 92...
May 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28464945/private-sector-opportunities-and-threats-to-achieving-malaria-elimination-in-the-greater-mekong-subregion-results-from-malaria-outlet-surveys-in-cambodia-the-lao-pdr-myanmar-and-thailand
#16
Sochea Phok, Saysana Phanalasy, Si Thu Thein, Asawin Likhitsup
BACKGROUND: The aim of this paper is to review multi-country evidence of private sector adherence to national regulations, guidelines, and quality-assurance standards for malaria case management and to document current coverage of private sector engagement and support through ACTwatch outlet surveys implemented in 2015 and 2016. RESULTS: Over 76,168 outlets were screened, and approximately 6500 interviews were conducted (Cambodia, N = 1303; the Lao People's Democratic Republic (PDR), N = 724; Myanmar, N = 4395; and Thailand, N = 74)...
May 2, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28452652/health-equity-and-migrants-in-the-greater-mekong-subregion
#17
Celia McMichael, Judith Healy
BACKGROUND: Migrant health is receiving increasing international attention, reflecting recognition of the health inequities experienced among many migrant populations and the need for health systems to adapt to diverse migrant populations. In the Greater Mekong Subregion (GMS) there is increasing migration associated with uneven economic integration and growth, socio-economic vulnerabilities, and disparities between countries. There has been limited progress, however, in improving migrant access to health services in the Subregion...
2017: Global Health Action
https://www.readbyqxmd.com/read/28444463/cost-effectiveness-of-craniotomy-for-epidural-hematomas-at-a-major-government-hospital-in-cambodia
#18
Dane Moran, Mark G Shrime, Sam Nang, Iv Vycheth, Din Vuthy, Raksmey Hong, William V Padula, Kee B Park
BACKGROUND: Epidural hematoma (EDH) is a common and potentially deadly occurrence following a severe traumatic brain injury. Our aim was to determine whether craniotomy is cost-effective when indicated for the treatment of EDH when a trained neurosurgeon is available. METHODS: A decision tree was used to model the cost-effectiveness of craniotomy available versus craniotomy unavailable for the management of traumatic EDH from a Cambodian societal and provider perspective...
April 25, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28438677/a-prospective-comparative-study-of-severe-neurological-and-uncomplicated-hand-foot-and-mouth-forms-of-paediatric-enterovirus-71-infections
#19
Yoann Crabol, Polidy Pean, Channa Mey, Veasna Duong, Beat Richner, Denis Laurent, Ky Santy, Heng Sothy, Philippe Dussart, Arnaud Tarantola, Philippe Buchy, Paul F Horwood
OBJECTIVES: In this study, we document the clinical characteristics and investigated risk factors for uncomplicated and severe forms of EV-A71 disease in Cambodian children. METHODS: From March to July 2014 inclusive, all patients with suspicion of EV-A71 infection presenting to Kantha Bopha Hospitals in Phnom Penh and Siem Reap and confirmed by the Virology Unit at the Institut Pasteur du Cambodge were prospectively enrolled in this study. Throat swabs, rectal swabs and serum samples were collected from all consecutive patients with suspected EV-A71 infection...
April 22, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28438204/evidence-on-anti-malarial-and-diagnostic-markets-in-cambodia-to-guide-malaria-elimination-strategies-and-policies
#20
Sochea Phok, Dysoley Lek
BACKGROUND: Understanding Cambodia's anti-malarial and diagnostic landscape in 2015 is critical for informing and monitoring strategies and policies as Cambodia moves forward with national efforts to eliminate malaria. The aim of this paper is to present timely and key findings on the public and private sector anti-malarial and diagnostic landscape in Cambodia. This evidence can serve as a baseline benchmark for guiding implementation of national strategies as well as other regional initiatives to address malaria elimination activities...
April 25, 2017: Malaria Journal
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