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https://www.readbyqxmd.com/read/27915182/using-spatial-metrics-and-surveys-for-the-assessment-of-trans-boundary-deforestation-in-protected-areas-of-the-maya-mountain-massif-belize-guatemala-border
#1
S D Chicas, K Omine, J B Ford, K Sugimura, K Yoshida
Understanding the trans-boundary deforestation history and patterns in protected areas along the Belize-Guatemala border is of regional and global importance. To assess deforestation history and patterns in our study area along a section of the Belize-Guatemala border, we incorporated multi-temporal deforestation rate analysis and spatial metrics with survey results. This multi-faceted approach provides spatial analysis with relevant insights from local stakeholders to better understand historic deforestation dynamics, spatial characteristics and human perspectives regarding the underlying causes thereof...
December 1, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27914738/wolbachia-strains-in-cryptic-species-of-the-anastrepha-fraterculus-complex-diptera-tephritidae-along-the-neotropical-region
#2
Leandro F Prezotto, André L P Perondini, Vicente Hernández-Ortiz, Celso L Marino, Denise Selivon
Infection by Wolbachia was described previously in eleven species of Anastrepha fruit flies some of which are important pests of fruticulture. One such species is the nominal Anastrepha fraterculus, the South American fruit fly, which actually comprises a complex of cryptic species. The suggestions of using Wolbachia for the control of these pest species, make imperative a more precise characterization of the existing strains of the bacteria. In this study, population samples of the A. fraterculus complex from Brazil, Argentina, Peru, Ecuador, Colombia, Guatemala and Mexico were analyzed for Wolbachia infection...
November 24, 2016: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/27884603/cranial-nerve-involvement-in-charcot-marie-tooth-disease
#3
Nirav Das, Savannah Kandalaft, Xiao Wu, Ajay Malhotra
BACKGROUND: Charcot-Marie-Tooth Disease (CMT) is a rare disorder with less than 200,000 cases reported in the US every year, making diagnosis challenging. MR and CT imaging has become more common in the evaluation of CMT to identify areas of disease involvement. CASE REPORT: A 27-year-old female from Guatemala with a past history of polio initially presented to the emergency room for necrotizing pneumonia. MRI images demonstrated smoothly enlarged, mildly enhancing trigeminal nerves...
November 21, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27884210/characteristics-of-illegal-and-legal-cigarette-packs-sold-in-guatemala
#4
Rodrigo Arevalo, Juan E Corral, Diego Monzon, Mira Yoon, Joaquin Barnoya
BACKGROUND: Guatemala, as a party to the Framework Convention on Tobacco Control (FCTC), is required to regulate cigarette packaging and labeling and eliminate illicit tobacco trade. Current packaging and labeling characteristics (of legal and illegal cigarettes) and their compliance with the FCTC is unknown. METHODS: We sought to analyze package and label characteristics of illegal and legal cigarettes sold in Guatemala. We visited the 22 largest traditional markets in the country to purchase illegal cigarettes...
November 25, 2016: Globalization and Health
https://www.readbyqxmd.com/read/27881609/epstein-barr-virus-in-nasopharyngeal-carcinoma-of-guatemalan-and-brazilian-patients
#5
Alicia Rumayor Piña, Harim Tavares Dos Santos, Roman Carlos, Albina Altemani, Oslei Paes de Almeida
BACKGROUND: Nasopharyngeal carcinoma (NPC) is highly associated with Epstein-Barr virus (EBV), particularly the undifferentiated nonkeratinizing subtype. Prevalence of EBV in NPC in countries such as Guatemala and Brazil has not been studied. METHODS: We analyzed 19 cases of NPC, 11 from Guatemala and 8 from Brazil, for the presence of EBV by in situ hybridization and immunohistochemistry. Additionally, 19 hyperplastic adenoids from children were analyzed for EBV by in situ hybridization, 12 from Guatemala and 7 from Brazil...
November 23, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27876457/providers-perspectives-on-inbound-medical-tourism-in-central-america-and-the-caribbean-factors-driving-and-inhibiting-sector-development-and-their-health-equity-implications
#6
Rory Johnston, Valorie A Crooks, Alejandro Cerón, Ronald Labonté, Jeremy Snyder, Emanuel O Núñez, Walter G Flores
BACKGROUND: Many governments and health care providers worldwide are enthusiastic to develop medical tourism as a service export. Despite the popularity of this policy uptake, there is relatively little known about the specific local factors prospectively motivating and informing development of this sector. OBJECTIVE: To identify common social, economic, and health system factors shaping the development of medical tourism in three Central American and Caribbean countries and their health equity implications...
2016: Global Health Action
https://www.readbyqxmd.com/read/27864248/the-challenge-of-universal-eye-health-in-latin-america-distributive-inequality-of-ophthalmologists-in-14-countries
#7
Hannah Hong, Oscar J Mújica, José Anaya, Van C Lansingh, Ellery López, Juan Carlos Silva
BACKGROUND: No comprehensive study currently exists on the supply of ophthalmologists across Latin America. We explored sociogeographic inequalities in the availability and distribution of ophthalmologists across 14 Latin American countries. METHODS: The National Ophthalmologic Societies of Argentina, Bolivia, Brazil, Colombia, Costa Rica, Chile, the Dominican Republic, Ecuador, Guatemala, Mexico, Paraguay, Peru, Uruguay and Venezuela provided data on affiliated ophthalmologists by first-order subnational divisions in 2013...
November 18, 2016: BMJ Open
https://www.readbyqxmd.com/read/27860313/origin-distribution-and-potential-risk-factors-associated-with-influenza-a-virus-in-swine-in-two-production-systems-in-guatemala
#8
Ana S Gonzalez-Reiche, Ana L Ramírez, María L Müller, David Orellana, Silvia M Sosa, Pablo Ola, Jorge Paniagua, Lucía Ortíz, Jorge Hernandez, Celia Cordón-Rosales, Daniel R Perez
BACKGROUND: Guatemala is the country with the largest swine production in Central America; however, evidence of influenza A virus (IAV) in pigs has not been clearly delineated. OBJECTIVES: In this study, we analyzed the presence and spatial distribution of IAV in commercial and backyard swine populations. METHODS: Samples from two nation-wide surveys conducted in 2010 and 2011 were tested using virological (rRT-PCR and virus isolation) and serological (ELISA and Hemagglutination Inhibition) assays to detect IAV...
November 12, 2016: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/27850827/1191-validation-of-a-pediatric-early-warning-score-in-a-pediatric-oncology-hospital-in-guatemala
#9
Asya Agulnik, Alejandra Mendez, Lupe Mora, Peter Forbes, Dora Soberanis, Ricardo Mack, Monica Kleinman, Carlos Rodriguez-Galindo
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27845383/guatemala-paleoseismicity-from-late-classic-maya-collapse-to-recent-fault-creep
#10
Gilles Brocard, Flavio S Anselmetti, Christian Teyssier
We combine 'on-fault' trench observations of slip on the Polochic fault (North America-Caribbean plate boundary) with a 1200 years-long 'near-fault' record of seismo-turbidite generation in a lake located within 2 km of the fault. The lake record indicates that, over the past 12 centuries, 10 earthquakes reaching ground-shaking intensities ≥ VI generated seismo-turbidites in the lake. Seismic activity was highly unevenly distributed over time and noticeably includes a cluster of earthquakes spread over a century at the end of the Classic Maya period...
November 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27818436/hiv-diagnosis-linkage-to-care-and-retention-among-men-who-have-sex-with-men-and-transgender-women-in-guatemala-city
#11
Clare Barrington, Kelly Knudston, Olga Alicia Bailey, Jose Manuel Aguilar, Marilu Itzel Loya-Montiel, Sonia Morales-Miranda
Men who have sex with men (MSM) and transgender women are disproportionately affected by HIV in Guatemala, yet little is known about their experiences with diagnosis, linkage to care, and retention. We conducted qualitative in-depth interviews with 26 MSM and transgender women living with HIV in Guatemala City. HIV diagnosis experiences changed over time with increasing asymptomatic testing at non-governmental organizations. Fear of the physical and social impacts of HIV delayed testing, acceptance of diagnosis, and linkage to HIV care...
2016: Journal of Health Care for the Poor and Underserved
https://www.readbyqxmd.com/read/27808397/energy-related-influences-on-variation-in-breastfeeding-duration-among-indigenous-maya-women-from-guatemala
#12
Luseadra J McKerracher, Mark Collard, Rachel M Altman, Daniel Sellen, Pablo A Nepomnaschy
OBJECTIVES: The causes of variation in breastfeeding duration in humans are poorly understood, but life history factors related to maternal energetics drive much of the variation in lactation duration in nonhuman animals. With this in mind, we investigated whether four energy-related factors influence variation in breastfeeding duration in a non-industrial human population: (1) mortality risk during mother's development (assessed via mother's adult height), (2) reliance on nutrient-dense weaning foods, (3) access to and need for help with infant feeding and care ("allomaternal care"), and (4) maternal tradeoffs between current and future reproduction (measured via child's birth order)...
November 3, 2016: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/27806076/possible-ballast-water-transfer-of-lionfish-to-the-eastern-pacific-ocean
#13
Hugh J MacIsaac, Emma M De Roy, Brian Leung, Alice Grgicak-Mannion, Gregory M Ruiz
The Indo-Pacific Red Lionfish was first reported off the Florida coast in 1985, following which it has spread across much of the SE USA, Gulf of Mexico, and Caribbean Sea. Lionfish negatively impact fish and invertebrate assemblages and abundances, thus further spread is cause for concern. To date, the fish has not been reported on the Pacific coast of North or Central America. Here we examine the possibility of ballast water transfer of lionfish from colonized areas in the Atlantic Ocean to USA ports on the Pacific coast...
2016: PloS One
https://www.readbyqxmd.com/read/27806066/prevalence-and-predictors-of-malnutrition-among-guatemalan-children-at-2-years-of-age
#14
Jason M Nagata, James Gippetti, Stefan Wager, Alejandro Chavez, Paul H Wise
OBJECTIVE: To identify the prevalence and predictors of malnutrition among 2-year old children in the Western Highlands of Guatemala. METHODS: Prospective cohort of 852 Guatemalan children in San Lucas Toliman, Guatemala followed from birth to age 2 from May 2008 to December 2013. Socio-demographic, anthropometric, and health data of children was collected at 2 month intervals. RESULTS: Among the 402 males and 450 females in the cohort, mean weight-for-age Z-score (WAZ) declined from -0...
2016: PloS One
https://www.readbyqxmd.com/read/27806065/lead-pb-isotope-baselines-for-studies-of-ancient-human-migration-and-trade-in-the-maya-region
#15
Ashley E Sharpe, George D Kamenov, Adrian Gilli, David A Hodell, Kitty F Emery, Mark Brenner, John Krigbaum
We examined the potential use of lead (Pb) isotopes to source archaeological materials from the Maya region of Mesoamerica. The main objectives were to determine if: 1) geologic terrains throughout the Maya area exhibit distinct lead isotope ratios (206Pb/204Pb, 207Pb/204Pb, and 208Pb/204Pb), and 2) a combination of lead and strontium ratios can enhance sourcing procedures in the Mesoamerica region. We analyzed 60 rock samples for lead isotope ratios and a representative subset of samples for lead, uranium, and thorium concentrations across the Maya region, including the Northern Lowlands of the Mexican Yucatan Peninsula, the Southern Lowlands of Guatemala and Belize, the Volcanic Highlands, the Belizean Maya Mountains, and the Metamorphic Province/Motagua Valley...
2016: PloS One
https://www.readbyqxmd.com/read/27802369/acceptance-and-impact-of-point-of-use-water-filtration-systems-in-rural-guatemala
#16
Kim L Larson, Corrie Hansen, Michala Ritz, Diego Carreño
PURPOSE: Infants and children in developing countries bear the burden of diarrheal disease. Diarrheal disease is linked to unsafe drinking water and can result in serious long-term consequences, such as impaired immune function and brain growth. There is evidence that point-of-use water filtration systems reduce the prevalence of diarrhea in developing countries. In the summer of 2014, following community forums and interactive workshops, water filters were distributed to 71 households in a rural Maya community in Guatemala...
November 1, 2016: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/27801556/progress-towards-eliminating-onchocerciasis-in-the-who-region-of-the-americas-verification-of-elimination-of-transmission-in-guatemala
#17
(no author information available yet)
No abstract text is available yet for this article.
October 28, 2016: Relevé épidémiologique Hebdomadaire
https://www.readbyqxmd.com/read/27790165/greater-left-inferior-frontal-activation-for-svo-than-vos-during-sentence-comprehension-in-kaqchikel
#18
Masatoshi Koizumi, Jungho Kim
Cortical activations during the processing of Kaqchikel transitive sentences with canonical and non-canonical word orders were investigated using functional magnetic resonance imaging. Kaqchikel is an endangered Mayan language spoken in Guatemala. The word order in this language is relatively flexible. We observed higher cortical activations in the left inferior frontal gyrus for sentences with the subject-verb-object (SVO) word order, as compared to sentences with the verb-object-subject (VOS) word order, suggesting that Kaqchikel sentences are easier to process when they have the VOS order than when they have the SVO order...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27783617/genetic-diversity-and-population-structure-of-mesoamerican-jaguars-panthera-onca-implications-for-conservation-and-management
#19
Claudia Wultsch, Anthony Caragiulo, Isabela Dias-Freedman, Howard Quigley, Salisa Rabinowitz, George Amato
Mesoamerican jaguars (Panthera onca) have been extirpated from over 77% of their historic range, inhabiting fragmented landscapes at potentially reduced population sizes. Maintaining and restoring genetic diversity and connectivity across human-altered landscapes has become a major conservation priority; nonetheless large-scale genetic monitoring of natural populations is rare. This is the first regional conservation genetic study of jaguars to primarily use fecal samples collected in the wild across five Mesoamerican countries: Belize, Costa Rica, Guatemala, Honduras, and Mexico...
2016: PloS One
https://www.readbyqxmd.com/read/27777178/proteomic-analysis-of-venom-variability-and-ontogeny-across-the-arboreal-palm-pitvipers-genus-bothriechis
#20
Davinia Pla, Libia Sanz, Mahmood Sasa, Manuel E Acevedo, Quetzal Dwyer, Jordi Durban, Alicia Pérez, Yania Rodriguez, Bruno Lomonte, Juan J Calvete
: Bothriechis is a genus of eleven currently recognized slender and arboreal venomous snakes, commonly called palm-pitvipers that range from southern Mexico to northern South America. Despite dietary studies suggesting that palm-pitvipers are generalists with an ontogenetic shift toward endothermic prey, venom proteomic analyses have revealed remarkable divergence between the venoms of the Costa Rican species, B. lateralis, B. schlegelii, B. supraciliaris, and B. nigroviridis. To achieve a more complete picture of the venomic landscape across Bothriechis, the venom proteomes of biodiversity of the northern Middle American highland palm-pitvipers, B...
October 21, 2016: Journal of Proteomics
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