An open dataset of anticoagulant rodenticides in liver samples from California kingsnakes and raptors in Gran Canaria (Canary Islands, Spain).

It is well known that rodenticides are widely used, and there are multiple routes by which they can reach non-target wildlife species. Specifically, in the Canary Islands, a high and concerning incidence of these compounds has been reported. However, in this scenario, reptiles remain one of the least studied taxa, despite their potential suitability as indicators of the food chain and environmental pollution has been noted on several occasions. In this context, the California Kingsnake (Lampropeltis Californiae), widely distributed on the island of Gran Canaria, occupies a medium trophic level and exhibits feeding habits that expose it to these pollutants, could be studied as a potential sentinel of exposure to these compounds. For this reason, 360 snake livers were analyzed by LC-MS/MS. Similarly, 110 livers of birds of prey were sampled. Thus, we present the analysis of 10 anticoagulant rodenticides (warfarin, diphacinone, chlorophacinone, coumachlor, coumatetralyl, brodifacoum, bromadiolone, difethialone, difenacoum and flocoumafen) in both data series; snakes, and raptors. Furthermore, this dataset includes biological data (weight, length, sex, colour, and design pattern), geographic data (distribution area and municipalities) and necropsy findings that could be of interest for a better understanding of this snake species and for future studies.

Safety, Effectiveness, and Immunogenicity 6 Months After BNT162B2 mRNA Vaccine in Frail Nursing Home Residents.

BACKGROUND: Elderly people who reside in long-term care facilities form a frail and vulnerable population, with multiple pathologies and high percentages of cognitive and functional disability. OBJECTIVES: The aims of this study were to assess the safety of vaccination against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in frail nursing home residents and to evaluate its effectiveness 6 months after full vaccination. DESIGN: This was an ambispective observational study. SETTING: Residents of a long-term care facility in Madrid, Spain. PARTICIPANTS: One hundred and thirty-seven nursing home residents (81.8% female, mean age 87.77 ± 8.31 years) with high comorbidity (61.3% Charlson Index ≥ 3) and frailty (75% Clinical Frail Scale ≥ 7) who received the BNT162B2 mRNA vaccine. MEASUREMENTS: Safety data were collected to evaluate the type of adverse drug reactions and their duration, severity, and causality. Immunogenicity was tested 6 months after the primary vaccination and effectiveness was evaluated by the incidence of SARS-CoV-2 infection, the number of hospital admissions, and mortality due to coronavirus disease 2019 (COVID-19). RESULTS: Safety: Of the residents, 21.9% had some adverse reaction and 5.8% had a severe or more serious adverse reaction. The most frequent adverse reactions were fatigue (13.1%), pyrexia (12.4%), and headache (7.3%). No association was observed between frailty (including a need for palliative care) and clinical, functional or cognitive status of the participants and the occurrence of adverse events. Immunogenicity and Effectiveness: After 6 months of vaccination, only one case of SARS-CoV-2 infection was confirmed in the vaccinated residents. Most of the nursing home residents presented positive serology (95.2%). Loss of immunogenicity was associated with older age (95.12 ± 3.97 vs. 87.24 ± 8.25 years; p = 0.03) and no previous COVID-19 infection (16.6% vs. 70%; p < 0.001). Binary logistic regression models did not reveal this association. CONCLUSION: The BNT162B2 vaccine is well tolerated and effective in nursing home residents, independently of their clinical, functional, cognitive, or frailty characteristics. For the most part, immunogenicity has been maintained over time, regardless of comorbidity, functional status or frailty.

A Method Scope Extension for the Simultaneous Analysis of POPs, Current-Use and Banned Pesticides, Rodenticides, and Pharmaceuticals in Liver. Application to Food Safety and Biomonitoring.

The screening of hundreds of substances belonging to multiple chemical classes in liver is required in areas such as food safety or biomonitoring. We adapted a previous QuEChERS-based method in blood to the liver matrix and applied to these fields of study. The validation of the method allowed the inclusion of 351 contaminants, 80% with a LOQ < 2 ng/g. In the analysis of 42 consumer liver samples, we detected trace levels of 29 different contaminants. The most frequent and concentrated was 4,4'-DDE. POPs accounted for 66% of the compounds detected. In no case was the MRL reached for any of the contaminants detected. We also applied the method to 151 livers of wild birds to perform a biomonitoring pilot study in the Canary Islands. We detected 52 contaminants in 15 bird species. These were also mostly POPs, although high frequencies and concentrations of anticoagulant rodenticides (AR) and some other agricultural pesticides also stand out. POPs and AR contamination levels were significantly higher in terrestrial birds, raptors and particularly in nocturnal birds. Pesticide contamination levels were also higher in terrestrial birds, as well as in non-raptors and diurnal birds. The validated method is simple, robust, and sensitive and performs well in a variety of practical scenarios, where it can be carried out relatively quickly and inexpensively.

Epidemiology of Animal Poisonings in the Canary Islands (Spain) during the Period 2014-2021.

Animal poisoning is one of the greatest conservation threats facing wildlife. In a preliminary study in the oceanic archipelago of the Canary Islands, we showed that the degree of threat from this circumstance was very high-even higher than that reported in other regions of continental Europe. Consequently, a legal framework for the effective prosecution of the crime of wildlife poisoning came into force in 2014 in this region. We present the results of the investigation of 961 animals and 84 baits sent to our laboratory for the diagnosis of animal poisonings during the period 2014-2021. We were able to identify poison as the cause of death in 251 animals and 61 baits. Carbofuran stands out as the main agent used in this archipelago. We have also detected an increasing tendency to use mixtures of several pesticides in the preparation of baits. The entry into operation of two canine patrols has led to the detection of more dead animals in the wild and a greater number of poisoned animals. The percentage of poison positives is significantly higher in areas with lower population density, corresponding to rural environments, as well as in areas with greater agricultural and livestock activity.

Impacto de la implantación de un programa nutricional preoperatorio en pacientes de cirugía colorrectal / No disponible

INTRODUCCIÓN: el paciente oncológico presenta un estado de hipermetabolismo generalizado que, sumado a los efectos sistémicos del acto quirúrgico, lo convierten en un paciente con riesgo aumentado de padecer complicaciones. OBJETIVO: el objetivo de este estudio fue evaluar el efecto de la implantación de un Programa de Evaluación y Soporte Nutricional en pacientes intervenidos de cirugía colorrectal con diagnóstico de neoplasia. MATERIAL Y MÉTODOS: se realizó un estudio cuasiexperimental con análisis antes y después de la implantación del Programa de Evaluación y Soporte Nutricional. Se incluyeron pacientes intervenidos de neoplasia de colon o recto. Se estudiaron la incidencia de las complicaciones y la estancia media. Se evaluó el efecto de la intervención con la odds ratio (OR) ajustada con un método de regresión logística. RESULTADOS: se incluyó un total de 130 pacientes, 65 en el periodo 2016-2017 (antes del programa) y 65 durante el año 2018 (después del programa). La incidencia de infección de sitio quirúrgico descendió del 18,5 % al 6,2 % (OR = 0,29; IC 95 %: 0,09-0,95) (p = 0,033). También se evidenció una reducción en el registro de fiebre postoperatoria del 50 % (OR = 0,41; IC 95 %: 0,17-0,96) (p = 0,037). Se redujo la estancia hospitalaria de 11,3 días (DE = 8) a 7,18 días (DE = 2,5) (p = 0,02). Hubo un mayor registro de información clínica y analítica referente al estado y riesgo nutricional de los pacientes. CONCLUSIÓN: la implantación de un Programa de Evaluación y Soporte Nutricional en pacientes intervenidos de cirugía colorrectal ha presentado diferencias estadísticamente significativas en la reducción de infección de sitio quirúrgico, reducción de fiebre postoperatoria y de estancia hospitalaria

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Impact of the implementation of a preoperative nutritional program for colorectal surgery patients.

INTRODUCTION: generalized hypermetabolism is common in cancer patients and increases the risk of complications when combined with the systemic effects of surgery. OBJECTIVE: the aim of this study was to clinically assess the implementation of a Nutritional Assessment and Support Program for patients undergoing colorectal surgery with a diagnosed neoplasia. MATERIAL AND METHODS: a quasi-experimental study was performed with analyses before and after the implementation of the Nutritional Assessment and Support Program. Patients who underwent surgery for colon or rectal neoplasia were included. The incidence of complications and the average hospital stay were studied. The effect of the intervention was evaluated using a logistic regression analysis to yield adjusted odds ratios (OR). RESULTS: a total of 130 patients were included in the study, 65 from 2016-2017 (pre-program) and 65 in 2018 (post-program). The incidence of surgical site infection decreased from 18.5 % to 6.2 % (OR = 0.29; 95 % CI: 0.09-0.95) (p = 0.033). Postoperative fevers were also reduced by 50 % (OR = 0.41; 95 % CI: 0.17-0.96) (p = 0.037). Average hospital stay was reduced from 11.3 days (DE = 8) to 7.18 days (DE = 2.5) (p = 0.02). More clinical and analytical information was logged about the patients' nutritional status and risk. CONCLUSION: the implementation of a Nutritional Assessment and Support Program for patients undergoing colorectal surgery has shown statistically significant differences in the reduction of surgical site infection, postoperative fever and the length of hospital stay.