Immunogenicity and reactogenicity of BNT162b2 booster in ChAdOx1-S-primed participants (CombiVacS): a multicentre, open-label, randomised, controlled, phase 2 trial.

BACKGROUND: To date, no immunological data on COVID-19 heterologous vaccination schedules in humans have been reported. We assessed the immunogenicity and reactogenicity of BNT162b2 (Comirnaty, BioNTech, Mainz, Germany) administered as second dose in participants primed with ChAdOx1-S (Vaxzevria, AstraZeneca, Oxford, UK). METHODS: We did a phase 2, open-label, randomised, controlled trial on adults aged 18-60 years, vaccinated with a single dose of ChAdOx1-S 8-12 weeks before screening, and no history of SARS-CoV-2 infection. Participants were randomly assigned (2:1) to receive either BNT162b2 (0·3 mL) via a single intramuscular injection (intervention group) or continue observation (control group). The primary outcome was 14-day immunogenicity, measured by immunoassays for SARS-CoV-2 trimeric spike protein and receptor binding domain (RBD). Antibody functionality was assessed using a pseudovirus neutralisation assay, and cellular immune response using an interferon-γ immunoassay. The safety outcome was 7-day reactogenicity, measured as solicited local and systemic adverse events. The primary analysis included all participants who received at least one dose of BNT162b2 and who had at least one efficacy evaluation after baseline. The safety analysis included all participants who received BNT162b2. This study is registered with EudraCT (2021-001978-37) and ClinicalTrials.gov (NCT04860739), and is ongoing. FINDINGS: Between April 24 and 30, 2021, 676 individuals were enrolled and randomly assigned to either the intervention group (n=450) or control group (n=226) at five university hospitals in Spain (mean age 44 years [SD 9]; 382 [57%] women and 294 [43%] men). 663 (98%) participants (n=441 intervention, n=222 control) completed the study up to day 14. In the intervention group, geometric mean titres of RBD antibodies increased from 71·46 BAU/mL (95% CI 59·84-85·33) at baseline to 7756·68 BAU/mL (7371·53-8161·96) at day 14 (p<0·0001). IgG against trimeric spike protein increased from 98·40 BAU/mL (95% CI 85·69-112·99) to 3684·87 BAU/mL (3429·87-3958·83). The interventional:control ratio was 77·69 (95% CI 59·57-101·32) for RBD protein and 36·41 (29·31-45·23) for trimeric spike protein IgG. Reactions were mild (n=1210 [68%]) or moderate (n=530 [30%]), with injection site pain (n=395 [88%]), induration (n=159 [35%]), headache (n=199 [44%]), and myalgia (n=194 [43%]) the most commonly reported adverse events. No serious adverse events were reported. INTERPRETATION: BNT162b2 given as a second dose in individuals prime vaccinated with ChAdOx1-S induced a robust immune response, with an acceptable and manageable reactogenicity profile. FUNDING: Instituto de Salud Carlos III. TRANSLATIONS: For the French and Spanish translations of the abstract see Supplementary Materials section.

Intervention for Alleviating Clinical Inertia in the Management of Urinary Incontinence.

PURPOSE: The purpose of this study was to determine whether clinical inertia exists in the care of patients with urinary incontinence and to test the effects of an educational intervention designed to alleviate inertia related to care of urinary incontinence. DESIGN: Single-group, pretest/posttest design. SUBJECTS AND SETTING: The sample comprised 132 participants practicing in 6 medical-surgical inpatient care units at an urban hospital in Almería, Spain; 66 (50%) were RNs, and all other participants were unlicensed assistive personnel. Most participants (87.9%) were female; their average age was 43.99 years (SD = 7.85 years). METHODS: An educational intervention (online course) was provided. The main objective of the course was application of evidence-based knowledge for prevention and management of urinary incontinence in hospitalized patients. The course program comprised 3 didactic units: (1) introduction and evaluation of the patient with urinary incontinence, (2) care plans, and (3) instructions and rational use of absorbent products. Data collection included demographic and professional characteristics of respondents, desired results when caring for patients with incontinence, a medical record checklist, an occupational environment and satisfaction scale, and an assessment record of knowledge/skills and training activity satisfaction. RESULTS: After comparing the pre- and posttest scores of knowledge on urinary incontinence, significant differences were found before and after the intervention (z = -14.113, P = .000). Specifically, analysis revealed differences in caring actions related to urinary incontinence (z = -14.248, P = .000) and differences in direct observation of urinary incontinence practice following the intervention (z = -14.326, P = .000). CONCLUSIONS: Our findings indicate existence of inertia in nursing care for hospitalized patients with urinary incontinence. The educational intervention improved knowledge, observable nursing care activities related to incontinence management, and improved documentation of care.

Characterization of commercial Sacha inchi oil according to its composition: tocopherols, fatty acids, sterols, triterpene and aliphatic alcohols.

Sacha inchi oil (SIO) is one of the largest vegetable oil exports in Peru, used for consumption, in the food industry, cosmetics, and pharmaceuticals; it represents a significant economic income for producers. This study addresses the characterization and quantification of fatty acids, tocopherols, sterols, and alcohols of commercial Sacha inchi oils from Peru. Some of the SIO samples received had a high substance consistency, while others differed in the compounds studied. The results showed that some of the commercialized oils present high levels of γ-tocopherol and δ-tocopherol, while other samples had variable fatty acid compositions; especially in α-linolenic, linoleic, oleic and palmitic acids. Fourteen sterols and eleven alcohols were identified (ß-sitosterol, stigmasterol, campesterol, Δ5-avenasterol, triterpene alcohol, lanosterol isomer 1 and cycloartenol) being the major components. Some SIO samples presented the following ratios: The δ-tocopherol/γ-tocopherol ratio was 0.33-0.81, ω-6/ω-3 ratio was 0.77 and a stigmasterol/campesterol ratio of 3.13. The presence of brassicasterol in some commercial oils indicates the addition of rapeseed or canola oil. Tocopherols, fatty acids, sterols and alcohol data provided a classification of SIO samples, by an efficient k-means clustering algorithm analysis. The ANOVA found significant differences between clusters for palmitic acid, oleic acid, γ-tocopherol, δ-tocopherol, campesterol and stigmasterol; these compounds could be used as markers of authenticity in commercial Sacha inchi oils.

Inertia in nursing care of hospitalised patients with urinary incontinence.

AIMS AND OBJECTIVES: To assess the existence of therapeutic inertia in the nursing care of patients with urinary incontinence during the patient's time in hospital, together with the sociodemographic and professional variables involved. BACKGROUND: Inertia in care is a problem which appears in the nursing care process. Actions related to inertia can be attributed to not adhering to protocols, clinical guidelines and the lack of prevention measures which have undesirable effects on the efficiency of care. DESIGN: This was a prospective observational study. METHODS: A total of 132 nursing professionals participated over two consecutive months. Data were collected randomly through the method of systematic, nonparticipative observation of medical practice units and patients' medical records. RESULTS: The results showed a pattern of severely compromised action in the assessment of the pattern of urinary elimination, in actions related to urinary continence, in therapeutic behaviour and in patient satisfaction and were found to be consistent with professional experience (p < .05). In the 600 records analysed, no statistically significant differences were found between gender and the use of records. In 50% (n = 301), the use of a rating scale was not reflected. In over 90% (n = 560) of cases, the type of incontinence was not recorded. In no continuity of care report were recommendations regarding incontinence included, nor was the type of continence products recommended indicated. CONCLUSION: It is clear that inertia exists in nursing care in the hospital environment while the patient is hospitalised, in prevention care, in the treatment of urinary incontinence and in the management of records. RELEVANCE TO CLINICAL PRACTICE: Contributing to the understanding of the existence of inertia in nursing care raises questions regarding its causes and interventions to predict or monitor it.

Trans narratives on school experiences-This is how we feel.

Introduction: The school environment remains unsafe for many trans people, where they are victims of discrimination, aggression, and bullying, resulting in socioemotional and physical harm to trans individuals. Intersectionality and minority stress are contributing factors in this already challenging education environment. In many cases, the voices of trans people are not heard or listened to at school; therefore, this study aims to listen to their school experiences in order to identify key areas for improvement. Method: This study implemented a narrative research approach where six in-depth interviews were completed with trans participants from the Basque Country, Europe, and the United States of America that focused on five dimensions: being a trans, the role of school, lack of teacher education and training, segregation by gender, and socioemotional wellbeing. The transcriptions of these interviews were coded using Nvivo software in categorical systems in a deductive and inductive way. Results: The results clearly showed that the binary society has a negative impact on trans people. In addition, the educational environment is still hostile for most of them, in which the lack of teacher training and gender identity content in the curriculum has a negative impact on trans people and their experiences at school. Discussion: The findings support the idea that socially ingrained binarism is detrimental to all those who step outside the norm. It can also be said that the earlier the transition is made, the better the effect (clinical as well as socioemotional) on their personal lives. For this early transition to occur, it is necessary to have access to information from an early age.

Gradual Changes of the Protective Effect of Phenols in Virgin Olive Oils Subjected to Storage and Controlled Stress by Mesh Cell Incubation.

The oxidation reactions that take place in virgin olive oil under moderate conditions involved the combined effect of antioxidant and prooxidant compounds. Given the complexity of oxidation processes of multicomponent matrices, there is still a need to develop new methods with a dynamic approach to study the persistence of the compounds with healthy properties. This work studied the joint evolution of them, including phenols and pheophytin a, modeling their tendency during a real storage. The regression equations performed with the total phenol concentration showed that around 2% of the concentration was lost every month. Simultaneously, the progress of oxidation was evaluated by mesh cell incubation and Fourier transform infrared analysis. This method pointed out that, in the presence of light, the prooxidant effect of pigments was able to mask the protective effect of phenols, until the pheophytin a concentration was lower than 1 mg/kg. The antioxidant effect of phenols was less remarkable when the concentration loss was 35% or more.

TransFAIR study: a European multicentre experimental comparison of EHR2EDC technology to the usual manual method for eCRF data collection.

PURPOSE: Regulatory authorities including the Food and Drug Administration and the European Medicines Agency are encouraging to conduct clinical trials using routinely collected data. The aim of the TransFAIR experimental comparison was to evaluate, within real-life conditions, the ability of the Electronic Health Records to Electronic Data Capture (EHR2EDC) module to accurately transfer from EHRs to EDC systems patients' data of clinical studies in various therapeutic areas. METHODS: A prospective study including six clinical trials from three different sponsors running in three hospitals across Europe has been conducted. The same data from the six studies were collected using both traditional manual data entry and the EHR2EDC module. The outcome variable was the percentage of data accurately transferred using the EHR2EDC technology. This percentage was calculated considering all collected data and the data in four domains: demographics (DM), vital signs (VS), laboratories (LB) and concomitant medications (CM). RESULTS: Overall, 6143 data points (39.6% of the data in the scope of the TransFAIR study and 16.9% when considering all data) were accurately transferred using the platform. LB data represented 65.4% of the data transferred; VS data, 30.8%; DM data, 0.7% and CM data, 3.1%. CONCLUSIONS: The objective of accurately transferring at least 15% of the manually entered trial datapoints using the EHR2EDC module was achieved. Collaboration and codesign by hospitals, industry, technology company, supported by the Institute of Innovation through Health Data was a success factor in accomplishing these results. Further work should focus on the harmonisation of data standards and improved interoperability to extend the scope of transferable EHR data.

Supporting Pharmacovigilance Signal Validation and Prioritization with Analyses of Routinely Collected Health Data: Lessons Learned from an EHDEN Network Study.

INTRODUCTION: Individual case reports are the main asset in pharmacovigilance signal management. Signal validation is the first stage after signal detection and aims to determine if there is sufficient evidence to justify further assessment. Throughout signal management, a prioritization of signals is continually made. Routinely collected health data can provide relevant contextual information but are primarily used at a later stage in pharmacoepidemiological studies to assess communicated signals. OBJECTIVE: The aim of this study was to examine the feasibility and utility of analysing routine health data from a multinational distributed network to support signal validation and prioritization and to reflect on key user requirements for these analyses to become an integral part of this process. METHODS: Statistical signal detection was performed in VigiBase, the WHO global database of individual case safety reports, targeting generic manufacturer drugs and 16 prespecified adverse events. During a 5-day study-a-thon, signal validation and prioritization were performed using information from VigiBase, regulatory documents and the scientific literature alongside descriptive analyses of routine health data from 10 partners of the European Health Data and Evidence Network (EHDEN). Databases included in the study were from the UK, Spain, Norway, the Netherlands and Serbia, capturing records from primary care and/or hospitals. RESULTS: Ninety-five statistical signals were subjected to signal validation, of which eight were considered for descriptive analyses in the routine health data. Design, execution and interpretation of results from these analyses took up to a few hours for each signal (of which 15-60 minutes were for execution) and informed decisions for five out of eight signals. The impact of insights from the routine health data varied and included possible alternative explanations, potential public health and clinical impact and feasibility of follow-up pharmacoepidemiological studies. Three signals were selected for signal assessment, two of these decisions were supported by insights from the routine health data. Standardization of analytical code, availability of adverse event phenotypes including bridges between different source vocabularies, and governance around the access and use of routine health data were identified as important aspects for future development. CONCLUSIONS: Analyses of routine health data from a distributed network to support signal validation and prioritization are feasible in the given time limits and can inform decision making. The cost-benefit of integrating these analyses at this stage of signal management requires further research.

No changes in hemostasis after COVID-19-heterologous vaccination schedule: A subanalysis of the phase 2 CombiVacS study.

Background: Several cases of unusual thrombotic events and thrombocytopenia were described after vaccination with recombinant adenoviral vectors encoding the spike protein antigen of SARS-CoV-2. Objectives: The objective of this study was to elucidate the impact of a COVID-19 heterologous vaccination schedule, including priming with adenovirus vaccine, on hemostasis profiles. Methods: The present study is a subanalysis of the CombiVacS clinical trial initiated in April 2021 that included adult participants previously vaccinated with a single dose of ChAdOx1-S. Between 8 and 12 weeks after vaccination, they were randomly assigned (2:1) to receive either BNT162b2 vaccine (intervention group, n = 99) or continue observation (control group, n = 50). Samples drawn before and 28 days after a vaccination with BNT162b2 were analyzed for platelet count and markers of hemostasis (D-dimer, anti-PF4 antibodies, cfDNA, PAI-1, thrombin generation, and serum capacity to activate platelets). Results: Platelet count from all participants after receiving BNT162b2 was within the normal range. Anti-PF4 antibodies were present in 26% and 18% of the subjects from the control and intervention groups, respectively, at day 28. In most cases, the levels of anti-PF4 antibodies were high before receiving BNT162b2. Serum from these participants did not activate platelets from healthy controls. There were no differences between the groups in PAI-1 and cfDNA plasma levels. According to the D-dimer plasma concentration, the thrombin generation test showed that none of the participants had a procoagulant profile. Conclusion: Our data suggest that the heterologous vaccination against COVID-19 with ChAdOx1-S and a second dose with BNT162b2 might be safe in terms of haemostasis.

Contextualising adverse events of special interest to characterise the baseline incidence rates in 24 million patients with COVID-19 across 26 databases: a multinational retrospective cohort study.

Background: Adverse events of special interest (AESIs) were pre-specified to be monitored for the COVID-19 vaccines. Some AESIs are not only associated with the vaccines, but with COVID-19. Our aim was to characterise the incidence rates of AESIs following SARS-CoV-2 infection in patients and compare these to historical rates in the general population. Methods: A multi-national cohort study with data from primary care, electronic health records, and insurance claims mapped to a common data model. This study's evidence was collected between Jan 1, 2017 and the conclusion of each database (which ranged from Jul 2020 to May 2022). The 16 pre-specified prevalent AESIs were: acute myocardial infarction, anaphylaxis, appendicitis, Bell's palsy, deep vein thrombosis, disseminated intravascular coagulation, encephalomyelitis, Guillain- Barré syndrome, haemorrhagic stroke, non-haemorrhagic stroke, immune thrombocytopenia, myocarditis/pericarditis, narcolepsy, pulmonary embolism, transverse myelitis, and thrombosis with thrombocytopenia. Age-sex standardised incidence rate ratios (SIR) were estimated to compare post-COVID-19 to pre-pandemic rates in each of the databases. Findings: Substantial heterogeneity by age was seen for AESI rates, with some clearly increasing with age but others following the opposite trend. Similarly, differences were also observed across databases for same health outcome and age-sex strata. All studied AESIs appeared consistently more common in the post-COVID-19 compared to the historical cohorts, with related meta-analytic SIRs ranging from 1.32 (1.05 to 1.66) for narcolepsy to 11.70 (10.10 to 13.70) for pulmonary embolism. Interpretation: Our findings suggest all AESIs are more common after COVID-19 than in the general population. Thromboembolic events were particularly common, and over 10-fold more so. More research is needed to contextualise post-COVID-19 complications in the longer term. Funding: None.

Predictive Power of the "Trigger Tool" for the detection of adverse events in general surgery: a multicenter observational validation study.

BACKGROUND: In spite of the global implementation of standardized surgical safety checklists and evidence-based practices, general surgery remains associated with a high residual risk of preventable perioperative complications and adverse events. This study was designed to validate the hypothesis that a new "Trigger Tool" represents a sensitive predictor of adverse events in general surgery. METHODS: An observational multicenter validation study was performed among 31 hospitals in Spain. The previously described "Trigger Tool" based on 40 specific triggers was applied to validate the predictive power of predicting adverse events in the perioperative care of surgical patients. A prediction model was used by means of a binary logistic regression analysis. RESULTS: The prevalence of adverse events among a total of 1,132 surgical cases included in this study was 31.53%. The "Trigger Tool" had a sensitivity and specificity of 86.27% and 79.55% respectively for predicting these adverse events. A total of 12 selected triggers of overall 40 triggers were identified for optimizing the predictive power of the "Trigger Tool". CONCLUSIONS: The "Trigger Tool" has a high predictive capacity for predicting adverse events in surgical procedures. We recommend a revision of the original 40 triggers to 12 selected triggers to optimize the predictive power of this tool, which will have to be validated in future studies.

Immunogenic dynamics and SARS-CoV-2 variant neutralisation of the heterologous ChAdOx1-S/BNT162b2 vaccination: Secondary analysis of the randomised CombiVacS study.

Background: The CombiVacS study was designed to assess immunogenicity and reactogenicity of the heterologous ChAdOx1-S/BNT162b2 combination, and 14-day results showed a strong immune response. The present secondary analysis addresses the evolution of humoral and cellular response up to day 180. Methods: Between April 24 and 30, 2021, 676 adults primed with ChAdOx1-S were enrolled in five hospitals in Spain, and randomised to receive BNT162b2 as second dose (interventional group [IG]) or no vaccine (control group [CG]). Individuals from CG received BNT162b2 as second dose and also on day 28, as planned based on favourable results on day 14. Humoral immunogenicity, measured by immunoassay for SARS-CoV-2 receptor binding domain (RBD), antibody functionality using pseudovirus neutralisation assays for the reference (G614), Alpha, Beta, Delta, and Omicron variants, as well as cellular immune response using interferon-γ and IL-2 immunoassays were assessed at day 28 after BNT162b2 in both groups, at day 90 (planned only in the interventional group) and at day 180 (laboratory data cut-off on Nov 19, 2021). This study was registered with EudraCT (2021-001978-37) and ClinicalTrials.gov (NCT04860739). Findings: In this secondary analysis, 664 individuals (441 from IG and 223 from CG) were included. At day 28 post vaccine, geometric mean titres (GMT) of RBD antibodies were 5616·91 BAU/mL (95% CI 5296·49-5956·71) in the IG and 7298·22 BAU/mL (6739·41-7903·37) in the CG (p < 0·0001). RBD antibodies titres decreased at day 180 (1142·0 BAU/mL [1048·69-1243·62] and 1836·4 BAU/mL [1621·62-2079·62] in the IG and CG, respectively; p < 0·0001). Neutralising antibodies also waned from day 28 to day 180 in both the IG (1429·01 [1220·37-1673·33] and 198·72 [161·54-244·47], respectively) and the CG (1503·28 [1210·71-1866·54] and 295·57 [209·84-416·33], respectively). The lowest variant-specific response was observed against Omicron-and Beta variants, with low proportion of individuals exhibiting specific neutralising antibody titres (NT50) >1:100 at day 180 (19% and 22%, respectively). Interpretation: Titres of RBD antibodies decay over time, similar to homologous regimes. Our findings suggested that delaying administration of the second dose did not have a detrimental effect after vaccination and may have improved the response obtained. Lower neutralisation was observed against Omicron and Beta variants at day 180. Funding: Funded by Instituto de Salud Carlos III (ISCIII).

Melatonin in the Prophylaxis of SARS-CoV-2 Infection in Healthcare Workers (MeCOVID): A Randomised Clinical Trial.

We evaluated in this randomised, double-blind clinical trial the efficacy of melatonin as a prophylactic treatment for prevention of SARS-CoV-2 infection among healthcare workers at high risk of SARS-CoV-2 exposure. Healthcare workers fulfilling inclusion criteria were recruited in five hospitals in Spain and were randomised 1:1 to receive melatonin 2 mg administered orally for 12 weeks or placebo. The main outcome was the number of SARS-CoV-2 infections. A total of 344 volunteers were screened, and 314 were randomised: 151 to placebo and 163 to melatonin; 308 received the study treatment (148 placebo; 160 melatonin). We detected 13 SARS-CoV-2 infections, 2.6% in the placebo arm and 5.5% in the melatonin arm (p = 0.200). A total of 294 adverse events were detected in 127 participants (139 in placebo; 155 in melatonin). We found a statistically significant difference in the incidence of adverse events related to treatment: 43 in the placebo arm and 67 in the melatonin arm (p = 0.040), and in the number of participants suffering from somnolence related to treatment: 8.8% (n = 14) in the melatonin versus 1.4% (n = 2) in the placebo arm (p = 0.008). No severe adverse events related to treatment were reported. We cannot confirm our hypothesis that administration of melatonin prevents the development of SARS-CoV-2 infection in healthcare workers.

Assessment of phenolic and volatile compounds of commercial Sacha inchi oils and sensory evaluation.

Sacha inchi is a super seed primarily grown in the Amazon rainforest of Peru. One of the main products obtained from seeds is oil. This product is rich in polyunsaturated fatty acids, tocopherols, and sterols. The objective of this work was to authenticity evaluate of the Sacha inchi oil by means of characterization of phenols, volatile compounds, and sensory profile. The phenolic and volatile compounds were analyzed using liquid chromatography-electrospray ionization-time of flight/mass spectrometry (HPLC-ESI-TOF/MS) and headspace solid phase microextraction combined with gas chromatography and mass spectrometry (HS-SPME/GC-MS), respectively. A total of 16 phenolic compounds were detected in commercial Sacha inchi oils, while 54 compounds have been found in the volatile fraction. These compounds mainly correspond to notes generated by alcohols, aldehydes, acids, ketones, and terpenoids. Principal component analysis (PCA) showed that the first two PCs account for 71.13% of total variance. Statistical analysis was used to observe the relationships between phenolic and volatile compounds; therefore, consequently, it has been found that 16 volatile compounds may have a significant influence upon overall perceived flavor and odor of the commercial Sacha inchi oils. According to the odor and flavor, the Sacha inchi oil is characterized by "green" odor notes, seed, dried fruit and rough.

Effects of using mobile augmented reality for simple interest computation in a financial mathematics course.

Understanding the concept of simple interest is essential in financial mathematics because it establishes the basis to comprehend complex conceptualizations. Nevertheless, students often have problems learning about simple interest. This paper aims to introduce a prototype called "simple interest computation with mobile augmented reality" (SICMAR) and evaluate its effects on students in a financial mathematics course. The research design comprises four stages: (i) planning; (ii) hypotheses development; (iii) software development; and (iv) design of data collection instruments. The planning stage explains the problems that students confront to learn about simple interest. In the second stage, we present the twelve hypotheses tested in the study. The stage of software development discusses the logic implemented for SICMAR functionality. In the last stage, we design two surveys and two practice tests to assess students. The pre-test survey uses the attention, relevance, confidence, and satisfaction (ARCS) model to assess students' motivation in a traditional learning setting. The post-test survey assesses motivation, technology usage with the technology acceptance model (TAM), and prototype quality when students use SICMAR. Also, students solve practice exercises to assess their achievement. One hundred three undergraduates participated in both sessions of the study. The findings revealed the direct positive impact of SICMAR on students' achievement and motivation. Moreover, students expressed their interest in using the prototype because of its quality. In summary, students consider SICMAR as a valuable complementary tool to learn simple interest topics.

Assessment of Virgin Olive Oil Adulteration by a Rapid Luminescent Method.

The adulteration of virgin olive oil with hazelnut oil is a common fraud in the food industry, which makes mandatory the development of accurate methods to guarantee the authenticity and traceability of virgin olive oil. In this work, we demonstrate the potential of a rapid luminescent method to characterize edible oils and to detect adulterations among them. A regression model based on five luminescent frequencies related to minor oil components was designed and validated, providing excellent performance for the detection of virgin olive oil adulteration.

A cross-sectional study of dietary habits and lipid profiles. The Rivas-Vaciamadrid study.

The relations between dietary habits and serum lipids have been firmly established in adults. In children, this relation has been less extensively studied. We have assessed the relations between dietary components, including the different types of fatty acids (saturated, polyunsaturated and monounsaturated) and serum lipids and apolipoproteins in a group of 673 6-year-old children of the town of Rivas-Vaciamadrid, Spain. Children in the highest tertile of total fat consumption, when compared with children in the lowest tertile, had higher mean levels of total cholesterol (188.3 mg/dl vs. 146.8 mg/dl), triglycerides (56.7 mg/dl vs. 51.3 mg/dl), LDL cholesterol (120.7 mg/dl vs. 92.6 mg/dl), HDL cholesterol (56.2 mg/dl vs. 54.5 mg/dl) and apolipoprotein B (86.8 mg/dl vs. 62.9 mg/dl). When compared with children in the lowest tertile, children in the highest tertile of saturated fat consumption had significantly higher mean levels of total cholesterol (206.3 mg/dl vs. 151.8 mg/dl), LDL cholesterol (140.6 mg/dl vs. 95.1 mg/dl) and apolipoprotein B (99.2 mg/dl vs. 64.3 mg/dl) and lower mean levels of HDL cholesterol (53.5 mg/dl vs. 57.5 mg/dl), whereas children in the highest tertile of monounsaturated fat consumption had significantly higher mean levels of HDL cholesterol (56.5 mg/dl vs. 51.8 mg/dl) and lower levels of total cholesterol (133.2 mg/dl vs. 201.6 mg/dl), LDL cholesterol (93.1 mg/dl vs. 137.5 mg/dl) and apolipoprotein B (68.6 mg/dl vs. 94.9 mg/dl) than children in the lowest tertile. No statistically significant relation between polyunsaturated fat and lipid levels was found. We have found a strong association between diet composition and lipid and apolipoprotein levels in 6-year-old children. Our findings strengthen the role of monounsaturated fatty acid consumption as a part of a healthy diet in childhood.

sICAM-1 in meningoencephalitis due to Angiostrongylus cantonensis.

INTRODUCTION: Angiostrongylus cantonensis meningoencephalitis is an emergent disease in the Americas. METHOD: Twelve children suffering from eosinophilic meningoencephalitis due to this parasite aged between 6-10 years were studied. Cerebrospinal fluid (CSF) and serum samples were taken simultaneously in the first diagnostic puncture at admission. RESULTS: All cases showed typical findings on the routine CSF and serum analysis: increased CSF total protein, increased Q (CSF/serum) albumin accompanied by eosinophilia in CSF. No intrathecal synthesis of immunoglobulins was found. Mean serum and CSF sICAM-1 values were 337.4 and 3.97 ng/mL. Qalbumin and QsICAM-1 mean values were 4.1 and 6.2 respectively. In 50% of the patients an increased brain-derived fraction of sICAM-1 was found. CONCLUSION: It may be suggested that a dynamic of the sICAM-1 brain derived fraction is perhaps associated to the immune response in the evolution of the disease.sICAM-1 may be an agent in negative feedback for eosinophils passage through the blood-CSF barrier into the inflammatory brain response.

La formación de ciudadanos en torno a la alimentación. Programa Buen Comienzo Medellín / Cultivating citizenship based on dietary practices. The Buen Comienzo Program in Medellin, Colombia

Resumen Antecedentes: el programa de primera infancia Buen Comienzo Medellín se ha convertido en un referente nacional por sus logros en la atención integral a los niños. Las evaluaciones rea lizadas hasta el momento se han centrado, sobre todo, en los efectos que tiene el programa en el estado nutricional de los niños participantes. Objetivo: evaluar algunas categorías sociopo líticas, como la construcción de ciudadanía y la participación que se desarrollan y potencializan en los momentos de la alimentación de los niños. Materiales y métodos: se utilizó un modelo que combina el análisis multidimensional (estructura, proceso y resultados) y la triangulación de métodos. Resultados: luego de analizar las entrevistas, las observaciones y los documentos del programa, se encontraron las siguientes temáticas: a) autonomía y autocuidado, bases para la construcción de ciudadanía en los niños; b) compromiso familiar; c) participación y límites de la libertad; y d) más participación en el hogar, un llamado de los agentes educativos.

Abstract Background: The infant program Buen Comienzo Medellin has become a national reference given its achievements in comprehensive assistance to young children. Evaluations undertaken to date have centered on, above all, the effects the program has on the nutritional state of participant children. Objective: To evaluate the socio-political categories of the program, such as community building and participation, that are developed and present as opportunities when families and children come to receive food. Materials and Methods: A model was used that combines multidimensional analysis (structure, process, and results) and triangulation of methods. Results: After analyzing the interviews, the observations, and the program documents, the following themes emerged: a) autonomy and self-care, staples for building good citizenship in children; b) family commitment; c) participation and limits on freedom; and d) increased participation in homes, a call from educational agencies.

Aspectos clínico-epidemiológicos en 36 niños cubanos con COVID-19

Introducción: La COVID-19 es una enfermedad infecciosa de alta transmisibilidad. Objetivo: Caracterizar la casuística pediátrica que posibilite disponer de conocimientos para el enfrentamiento a la pandemia en Cuba. Métodos: Estudio descriptivo, observacional y transversal en pacientes con COVID-19, ingresados en el Hospital Pediátrico San Miguel del Padrón: abril-junio de 2020. Se analizó: edad, sexo, estado nutricional, enfermedad previa, área de residencia, sintomatología al ingreso, resultados de complementarios, y condición al egreso. Resultados: Se identificaron 36 niños con COVID-19. La proporción según sexo no mostró diferencias. Hubo predominio del grupo de edad entre 10-14 años, piel mestiza y presentación asintomática en 72,2 %. Las comorbilidades más observadas fueron el asma bronquial leve y la anemia ligera. Prevalecieron los residentes del Este de la capital, sobre todo, en la semana estadística 21 y 25. En el grupo de enfermos sintomáticos predominaron las manifestaciones respiratorias y la fiebre. Los complementarios revelaron linfocitosis (63,9 %), anemia (13,9 %) e infiltrados pulmonares (8,3 %). El 100 % de los pacientes tuvo evolución favorable y PCR negativo tras concluir tratamiento. Conclusiones: La COVID-19 tuvo mayor incidencia en niños de 10 años o más. No hubo variaciones en cuanto al sexo. Predominó el color de piel mestizo. Los pacientes tuvieron espectro clínico variable, y evolución de PCR condicionada por la presencia de factores de riesgo individual y social. La recuperación clínica y la regresión de alteraciones hematológicas y radiológicas se logró en todos los pacientes entre 2-3 semanas.

Introduction: COVID-19 is an infectious disease with high transmissibility. Objective: To characterize the pediatrics casuistry that allows having the relevant knowledge to fight COVID-19 pandemic in Cuba. Methods: Descriptive, observational and cross-sectional study in patients with COVID-19 admitted in San Miguel del Padrón municipality's Pediatric Hospital from April to June, 2020. There were analyzed as variables: age, sex, nutritional state, previous diseases, living area, sintomatology in the moment of admission, results of complementary tests, and state in the moment of discharge. Results: 36 children were identified with COVID-19. Proportion according to sex had no differences. There was a predominance of the group age among 10 to 14 years, mixed race patients and the asymptomatic forms in 72,2% of them. The most frequent comorbidities were slight bronchial asthma and slight anemia. There was predominance of patients living in the Eastern area of the capital, mainly in the statistic weeks #21 and #25. In the group of symptomatic patients prevailed the respiratory manifestations and the fever. The complementary tests showed lymphocytes (63,9%), anemia (13,9) and pulmonary infiltrates (8,3%). 100% of the patients had favorable evolution and negative PCR after finishing the treatment. Conclusions: COVID-19 had a higher incidence in 10 or more year's children. There were not variations regarding sex. Mixed race patients predominated. Patients had a variable clinical spectrum, and an evolution of the PCR conditioned by the presence of individual and social risk factors. Clinical recovery and regression of hematologic and radiologic alterations was achieved in all the patients among 2 to 3 weeks.