Publications by authors named "Luis A Henriquez Hernandez"

Background: Veterinarians represent a population at risk for burnout. The influence of self-compassion on the development and consequences of burnout remains poorly understood.

Methods: A validated 30-item survey was disseminated to registered members of the College of Veterinarians of Las Palmas (Spain) via Google Survey between October and December 2023 to assess levels of burnout (Maslach Burnout Inventory-general survey) and self-compassion (self-compassion scale) and explore the prevalence of anxiety, depression and benzodiazepine use.

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Animal welfare and animal abuse, although measurable, exhibit a high degree of subjectivity that conditions how they are perceived and the level of sensitivity. Both elements are influenced by individual and sociodemographic factors. To determine the perception of animal welfare among veterinary students and to study the main sociodemographic factors influencing the assessment of animal welfare.

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Volcanic eruptions pose significant health risks to inhabitants of affected regions, with volcanic gases, including carbon dioxide (CO), being a notable concern. This review examines the implications of long-term exposure to volcanic CO emissions on public health, highlighting the shift in understanding from acute to chronic health effects. Recent studies have underscored the need to reevaluate the adverse health impacts of CO beyond acute toxicity symptoms.

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The global impact of anticoagulant rodenticides (ARs) on non-target species is well-recognized. Birds of prey, as apex predators, are highly vulnerable to AR exposure and are widely used as biomonitors for priority pollutants in Europe. This study investigates differential SGAR exposure in raptors from insular versus continental regions, hypothesizing greater exposure in insular areas due to ecological factors like reduced prey diversity, intensive rodenticide use, and resistant rodent populations.

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Anxiety affects 14-20% of dogs. Pharmacological treatments often fail. Psychedelics have shown to be useful for anxiety and depression in humans, but their veterinary use remains unexplored.

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Article Synopsis
  • Obesity is linked to various metabolic issues and is a risk factor for other diseases, with bariatric surgery being the most effective treatment option.
  • The study aimed to assess the prevalence of pollutants in the blood of obese patients before and after bariatric surgery while examining the influence of sociodemographic factors on these changes.
  • Results indicated that certain persistent organic pollutants (POPs) increased in serum levels post-surgery, suggesting rapid weight loss can elevate the presence of these harmful substances in the body, necessitating further investigation.
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Animal welfare is inherited in each society, shaped by the surrounding environment and upbringing of each individual. This influence becomes particularly significant during adolescence. Due to its cultural context, Spain is among the European Union nations with the highest number of cases of animal abuse.

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Background: In psychedelic therapy, the importance of set and setting is a fundamental but under-researched assumption. The aim of this study is to correlate variables of set (psychedelic use motivation) and setting (psychedelic use location and type of companion) with psychopathology, wellbeing and personality variables.

Research Design And Methods: A sample of 1022 participants of the Spanish-speaking population was collected through an online survey.

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  • * A study analyzed liver samples from 360 euthanized kingsnakes to detect 10 different ARs, finding that 90% tested positive, primarily for brodifacoum, and showed a correlation between the snakes' size and geographic location with AR concentration.
  • * The study suggests that California kingsnakes could serve as sentinel species for monitoring ARs in the ecosystem due to similarities in AR types and prevalence with local raptors, although more
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This study assesses the impact of second-generation anticoagulant rodenticides (SGARs) on the common kestrel (Falco tinnunculus canariensis) in Tenerife, Canary Islands. The analysis of 390 liver samples over 19 years using HPLC-MS/MS showed that 93.1 % of kestrels were exposed to SGARs in this island.

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Background: Very little information is available on the population distribution and on sociodemographic predictors of body concentrations of rare earth elements (REE) and other chemicals used in the manufacturing of high-tech devices.

Objectives: To analyze the distribution and associated sociodemographic factors of blood concentrations of chemical elements (including some metals, essential trace elements, rare earth elements and other minority elements) in a representative sample of the general population of Barcelona (Spain).

Methods: A sample of participants in the Barcelona Health Survey of 2016 (N = 240) were interviewed face-to-face, gave blood, and underwent a physical exam.

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Objective: To investigate the specific and combined effects of personal concentrations of some per- and polyfluoroalkyl substances (PFAS), other persistent organic pollutants (POPs), and chemical elements -measured in individuals' blood several years before the pandemic- on the development of SARS-CoV-2 infection and COVID-19 disease in the general population.

Methods: We conducted a prospective cohort study in 240 individuals from the general population of Barcelona. PFAS, other POPs, and chemical elements were measured in plasma, serum, and whole blood samples, respectively, collected in 2016-2017.

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Background: The infant population is particularly sensitive, so the risk posed by their diet must be analyzed. The aims of the present study were (i) to determine the contents of 38 elements in 159 samples of ready-to-eat baby food sold in Spain and (ii) to estimate the dietary intakes and risk assessments of these elements in name brands and store brands in infants ranging between 6 and 12 months of age.

Methods: A list of essential, non-essential/toxic elements, rare earth elements (REEs), and other hi-tech-related elements that are currently considered as emerging environmental pollutants were measured in ready-to-eat baby foods by ICP-MS.

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Article Synopsis
  • The study analyzed the blood concentrations of 49 inorganic elements in 401 participants from Cape Verde, focusing on heavy metals and rare earth elements, as part of the PERVEMAC-II project.
  • Findings revealed that 20 out of 49 elements were detected in over 20% of participants, with arsenic, copper, mercury, lead, selenium, strontium, and zinc being the most frequently found.
  • Demographics such as age and lifestyle factors, like water source and food purchasing habits, significantly influenced the levels of these toxic elements, highlighting the need for targeted public health measures.
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Animals and humans are exposed to various residues that can have a detrimental impact on health, including carcinogenic potential, endocrine disruption, or fatal toxicity. The toxic burden can be evaluated in several biological samples, with serum being one of the preferred and most convenient options. In this study, we have applied and validated a method for detecting several hundred toxins in serum samples.

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Several studies have examined the association between prenatal exposure to organophosphate and pyrethroid pesticides and their impact on foetal growth and newborn anthropometry; however, the available evidence is limited and inconclusive. This study examined whether prenatal organophosphate and pyrethroid pesticide exposure was associated with anthropometric measures at birth (weight, length, head circumference), ponderal index, gestational age, and prematurity in 537 mother-child pairs. These were randomly selected from the 800 pairs participating in the prospective birth cohort GENEIDA (Genetics, early life environmental exposures and infant development in Andalusia).

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  • A study examined 47 elements in leafy green vegetables to assess daily intake amounts and health risks for different age groups in the Canary Islands population.
  • Spinach, arugula, watercress, and chard were found to be the top contributors of essential elements like iron and zinc, while spinach had the highest levels of potentially toxic elements such as aluminum and chromium.
  • Overall, consuming leafy vegetables can meet nutritional needs for essential elements without posing significant health risks from toxic metals, although monitoring is suggested for certain elements like thallium.
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Objective: The set of exposures to chemical substances and their role as a cause of disease gives rise to the concept of the exposome, partially made up of chemical pollutants to which an individual is exposed, which is why, unlike the genome, it is an a priori modifiable factor, its study being crucial in terms of Public Health. The population of the Canary Islands has been studied in terms of its levels of chemical contamination, with numerous biomonitoring studies, which makes it necessary to characterise its exposome and its consequences in terms of disease, in order to implement specific corrective measures to minimize the impact on its health.

Methods: A review of scientific literature (MEDLINE and Scopus) was made, according to PRISMA criteria and PICO methodology, to include studies on biomonitoring of pollutants, or evaluating the effect of pollutants on diseases prevalent in the archipelago.

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Psychedelics are experiencing a strong renaissance and will soon be incorporated into clinical practice. However, there is uncertainty about how much harm they can cause at what doses. This review aimed to collect information on the health-hazardous doses of psychedelic substances, to be aware of the risks to which patients may be subjected.

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Background: There is wide, largely unexplained heterogeneity in immunological and clinical responses to SARS-CoV-2 infection. Numerous environmental chemicals, such as persistent organic pollutants (POPs) and chemical elements (including some metals, essential trace elements, rare earth elements, and minority elements), are immunomodulatory and cause a range of adverse clinical events. There are no prospective studies on the effects of such substances on the incidence of SARS-CoV-2 infection and COVID-19.

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Ethanol and medical psychotropics (MPs) are legal psychoactive substances widely consumed in Western countries that are routinely detected in standard toxicological analyses at compulsory autopsies, and toxicokinetic interactions between these drugs have been described. However, studies assessing the consequences of this co-consumption are scarce in Europe. We performed a retrospective study on toxicological results from compulsory autopsies in Spain.

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Article Synopsis
  • - The study investigated how inorganic pollutants biomagnify and biodilute in marine ecosystems, using sea turtles as bioindicators to assess pollution impact.
  • - Researchers analyzed 50 inorganic elements in the blood and scute tissues of three sea turtle species in Quintana Roo over a year, revealing trends of increasing toxic elements like arsenic and mercury with higher trophic levels, which indicates biomagnification.
  • - Findings showed that essential minerals with toxic potential concentrated higher in turtle tissues, while elements like manganese and bismuth exhibited a biodilution effect; the data aims to support future pollution monitoring and risk assessments in the area.
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Article Synopsis
  • International Public Health authorities suggest biomonitoring to evaluate chemical exposure, leading to a study analyzing blood concentrations of 360 pollutants in 403 participants from Cape Verde as part of the PERVEMAC-II project.
  • Out of the studied pollutants, 60 were detected in at least one participant, with p,p'-DDE, phenanthrene, and hexachlobenzene being the most prevalent, and pharmaceutical compounds showing the highest serum concentrations.
  • The results indicate that age, gender, body mass index, and dietary habits influence the presence and levels of these substances, providing important data for public health initiatives in Cape Verde.
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Medical psychotropics are widely used and prescribed in developed countries. These medications may have an impairing effect on mood or perception and may induce harmful behaviors. Nevertheless, in Europe, studies on their importance from a medico-legal perspective are scarce.

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The occurrence of organic pollutants in soil is a major environmental concern. These compounds can reach the soil in different ways. Point sources, related to pesticides that are used intentionally, can be applied directly to the soil, or reach the soil indirectly due to application to the aerial parts of crops.

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