Unveiling the consequences of early human saliva contamination on membranes for guided bone regeneration

AIMS

GBR membranes have various surface properties designed to elicit positive responses in regenerative clinical procedures; dental clinicians attempt to employ techniques to prevent the direct interaction of contaminated oral fluids with these biomaterials. However, saliva is uninterruptedly exhibited in oral surgical procedures applying GBR membranes, suggesting a persistent interaction with biomaterials and the surrounding oral tissues. This fundamental study aimed to investigate potential alterations in the physical, chemical, and key biological properties of membranes for guided bone regeneration (GBR) caused by isolated early interaction with human saliva.

METHODS

A reproducible step-by-step protocol for collecting and interacting human saliva with membranes was developed. Subsequently, membranes were evaluated for their physicochemical properties, protein quantification, DNA, and 16S rRNA levels viability of two different cell lines at 1 and 7 days, and ALP activity. Non-interacted membranes and pure saliva of donors were applied as controls.

RESULTS

Qualitative morphological alterations were noticed; DNA extraction and 16S quantification revealed significantly higher values. Furthermore, the viability of HGF-1 and MC3T3-E1 cells was significantly (p < .05) reduced following saliva interaction with biodegradable membranes. Saliva contamination did not prejudice PTFE membranes significantly in any biological assay.

CONCLUSIONS

These outcomes demonstrated a susceptible response of biodegradable membranes to isolated early human saliva interaction, suggesting impairment of structural morphology, reduced viability to HGF-1 and MC3T3-E1, and higher absorption/adherence of DNA/16S rRNA. As a result, clinical oral procedures may need corresponding refinements.

Chronic pain after breast surgery: incidence, risk factors and impact on quality of life

INTRODUCTION AND OBJECTIVES

Breast cancer is the most frequently diagnosed malignancy, and chronic pain after breast surgery (CPBS) is an increasingly recognized therapy-related problem. We evaluated CPBS incidence, characteristics, associated factors, and impact on patient quality of life (QoL).

MATERIALS AND METHODS

Six-month observational prospective study conducted in patients undergoing breast surgery in a tertiary university hospital. Data were collected using several questionnaires: Pain Catastrophizing Scale, Brief Pain Inventory-Short Form, Douleur Neuropathique 4 Questionnaire, and European Organization for Research and Treatment of Cancer Quality of Life Questionnaire and its Breast Cancer Module.

RESULTS

A total of 112 patients completed the study. Approximately, one third (34.8%) developed CPBS, and almost all with potentially neuropathic pain. CPBS interfered with patients' daily life and reduced their QoL. Diabetes (p = 0.028), catastrophizing (p = 0.042), and acute postoperative pain severity (p < 0.001) were associated with CPBS.

CONCLUSIONS

This study broadens our understanding of CPBS and shows the impact of this syndrome. Healthcare workers need to be aware of CPBS and take steps to prevent and treat it, and provide patients with adequate information.

Pre-Molecular Assessment of Self-Processes in Neurotypical Subjects Using a Single Cognitive Behavioral Intervention Evoking Autobiographical Memory

In the last 20 years, several contributions have been published on what concerns the conceptual and empirical connections between self-processes. However, only a limited number of publications addressed the viability of those processes to characterize mental health in neurotypical subjects with a normative pattern of neurodevelopment. Furthermore, even fewer experiments focused explicitly on the complexity of studying neurotypical phenomenal data. On the one hand, this normative pattern is commonly associated with mental health and a multifaceted self-concept and well-being. On the other hand, well-being is often related to a healthy cognitive life. However, how such intricate and complex relation between self-processes is established in neurotypical subjects requires further evidence. The novelty of this work is thus studying the first-person experience, which is correlated with the mental events aroused by a cognitive behavioral intervention. The prior methodology that led to the complete characterization of a neurotypical sample was already published by the authors, although the materials, the methods, the sample screening, and the sample size study required further explanation and exploration. This paper’s innovation is hence the phenomenological assessment of subjects’ self-regulation, which is used for mental health profiling, providing the basis for subsequent molecular typing. For that matter, a convenience sample of 128 (19–25-year-old) neurotypical young adults, healthy university students at the University of Lisbon, non-medicated and with no serious, uncontrolled, or chronic diseases, are characterized according to their cognitive functioning and self-concept. The procedure comprised (i) a mental status examination (psychological assessment) and (ii) a psychological intervention, i.e., a single cognitive behavioral intervention (intervention protocol). The psychological assessment was a standardized and structured clinical interview, which comprised the use of 4 psychological scales complementary to the classical Mental Status Examination (MSE). The intervention protocol applied a combined exercise of psychophysical training and autobiographical-self memory-recalling. The results permitted identifying and isolating four different subgroups (self awareness, self consciousness, reflective self, and pre-reflective self) in neurotypical subjects with discrete self-processes. The outcome of this study is screening four different aspects of self-reflection and the isolation between various forms of self-directed attention and their interconnections in these four mental health strata. The practical implication of this study is to fulfill an a priori pre-molecular assessment of self-regulation with separate cognitive characteristics. The reliability of these mental strata, their distinct neurophysiology, and discrete molecular fingerprint will be tested in a future publication by in silico characterization, total protein profiling, and simultaneous immunodetection of the neuropeptide and neuroimmune response of the same participants.

Screening Accuracy of the Portuguese version of the Postpartum Depression Screening Scale-7 according to DSM-5 criteria

Introduction

The Portuguese shortest version of the Perinatal Depression Screening Scale/PDSS-7 proved to be valid and reliable, in Portugal and Brazil, but it is essential to analyze its operational characteristics before using it for screening purposes.

Objectives

To determine PDSS-7 cut-off points and associated conditional probabilities to screen for major depression, according to the DSM-5.

Methods

he pregnancy sample was composed of 259 women in the second trimester (Mean gestation weeks=17.83±4.750). The postpartum sample consisted of 241 women assessed between the 2^nd-6^thmonths postpartum(M=17.99±4.689 weeks postpartum). All women completed the PDSS-7 and were interviewed with the Diagnostic Interview for Psychological Distress(Pereira et al., 2017), a semi-structured clinical interview to assess the most prevalent psychiatric disorders in the perinatal period according to the DSM-5 criteria. MedCalc was used to perform ROC analysis.

Results

During pregnancy, the major depression prevalence was of 4.6%(n=12). The cut-off point that maximizes the Youden Index(J=.98, 95%CI: .97-.99; AUC=.99; se=.004; p<.001) was of 18(95%CI:17-19), which resulted in a sensitivity of 100%(71.5%-100%), a specificity of 97.98%(95.3%-99.3%), a positive predictive value/+PP of 68.8%(48.0%-84.0%) and a negative predictive value/-PP of 100%. In the postpartum, the major depression prevalence was of 10.4%(n=25). The cut-off point(J=.79, 95%CI: .63-.82; AUC=.89; se=.036; p<.001) was of 14(95%CI: 12-16), with a sensitivity of 85.0%(69.3%-93.2%), a specificity of 85.0%(69.3%-93.2%), a +PP of 56.5%(46.1%-67.3%) and a -PP of 97.5%(94.6%-98.8%).

Conclusions

The Portuguese version of PDSS-7 presents good combinations of sensitivity and specificity, being accurate and usable to screen for depression during pregnancy and in the postpartum both in research and primary health care.

Disclosure

No significant relationships.

Further validation of the European and Brazilian Portuguese short version of the Postpartum Depression Screening Scale-7

Introduction

We have recently validated the Portuguese shortest version of the Perinatal Depression Screening Scale-PDSS-7 (items selected from the PDSS-21; each one representing a dimension evaluated by the PDSS-35), for the assessment of depression severity in pregnancy, both in Portugal and Brazil.

Objectives

To analyze the validity and reliability of the PDSS-7 Portuguese version to evaluate postpartum women both from Portugal and Brazil.

Methods

The Portuguese sample was composed of 304 women between the 2nd-6th postpartum months (Mean=20.09±7.21 weeks postpartum). These participants were not the same who participated in the psychometric study that led to the selection of the seven items. The Brazilian sample was composed of 121 women (Mean=10.51±4.53 weeks postpartum). All the participants completed the European/Brazilian Portuguese versions of PDSS-21, which was composed of the same items and included the seven items of PDSS-7. Participants also filled in the validated versions of Perinatal Anxiety Screening Scale and Profile of Mood States.

Results

Confirmatory Factor Analysis revealed that the unidimensional model of PDSS-7 presented acceptable/good fit indexes in both samples (Portuguese/Brazilian: χ²/d.f.=2.6598/1.7897; RMSEA=.0740/.0807, CFI=.8289/.7934, TLI=.7901/.8434, GFI=.9298/.9496; p<.001). The PDSS-7 Cronbach’s alphas were of .841/.856 and all the items contributed to the internal consistency. Pearson correlations with postpartum anxiety (.646/.763) and negative affect (.666/.676) were significantly (p<.01) high. PDSS-7 mean scores were higher in the Brazilian sample (16.06±7.39 versus 11.37±4.37, p<.01).

Conclusions

PDSS-7 presented validity (construct and convergent), reliability and utility in clinical and research settings, including in transcultural studies, in Portugal and Brazil, namely in the postpartum.

Disclosure

No significant relationships.

Population wide testing pooling strategy for SARS-CoV-2 detection using saliva

SARS-CoV-2 pandemic has forced frequent testing of populations. It is necessary to identify the most cost-effective strategies for the detection of COVID-19 outbreaks. Nasopharyngeal samples have been used for SARS-CoV-2 detection but require a healthcare professional to collect the sample and cause discomfort and pain to the individual. Saliva has been suggested as an appropriate fluid for the diagnosis of COVID-19. We have investigated the possibility of using pools of saliva samples to detect SARS-CoV-2 in symptomatic and asymptomatic patients. Two hundred and seventy-nine saliva samples were analyzed through RT-PCR of Envelope, Nucleocapsid and Open Reading Frame 1ab genes. Reproducibility assays showed an almost perfect agreement as well as high sensitivity (96.6%), specificity (96.8%), positive predicted value (96.6%), and negative predicted value (96.8%). The average Cycle Threshold of the genes detected was 29.7. No significant differences (p > 0.05) were detected when comparing the cycle threshold average of two consecutive reactions on the same positive saliva samples. Saliva samples have a higher median viral load (32.6) than in nasopharyngeal samples (28.9), although no significant differences were detected (p > 0.05). Saliva-pool samples allowed effective SARS-CoV-2 screening, with a higher sensibility (96.9%) on 10-sample pools than in 20-sample pools (87.5%). Regardless of pools size specificity was high (99.9%) and an almost perfect agreement was observed. Our strategy was successfully applied in population wide testing of more than 2000 individuals, showing that it is possible to use pooled saliva as diagnostic fluid for SARS-CoV-2 infection.

The composition of the lipid, protein and mineral fractions of quail breast meat obtained from wild and farmed specimens of Common quail (Coturnix coturnix) and farmed Japanese quail (Coturnix japonica domestica)

The present study was intended to answer 2 scientific hypotheses: 1) the quail species has a significant influence in quail breast meat composition; 2) the wild quail's meat presents healthier composition than their farmed counterparts.

An analysis of the pectoral muscles of wild and captive common quails (Coturnix coturnix) and domestic quails (Coturnix japonica domestica) was performed. The content of fatty acids (FA), amino acids, total cholesterol, and vitamin E, some basic macro- and microminerals in the pectoral muscles of the 2 species of the genus Coturnix were analyzed.

Regarding the quail species influence on meat composition, Japanese Quail (JQ) revealed better lipid composition, characterized by lower saturated FA (SFA; less 3.17 g/100 g of total fatty acids), higher polyunsaturated FA contents (PUFA; more 5.5 g/100 g of total fatty acids) and healthier polyunsaturated FA/saturated FA (P/S) and n-6/n-3 ratios and TI value (1.08, 9.54 and 0.60 vs. 0.76, 12.58, and 0.75, correspondingly). The absence of differences observed on amino acids partial sums and ratios reveals equality between species on protein nutritional quality. On the other hand, Common Quail (CQ) proved to be a better source of copper (0.181 mg/100 g of meat), iron (2.757 mg/100 g of meat), manganese (0.020 mg/100 g of meat), and zinc (0.093 mg/100 g of meat) than JQ.

The comparison of farmed and wild specimens within CQ, showed that wild birds presented lower total cholesterol (less 8.32 mg/g of fresh meat) and total PUFA (less 4.26 g/100 g of total fatty acids), and higher n-3 PUFA contents (more 1.53 g/100 g of total fatty acids), which contributed to healthier P/S and n-6/n-3 ratios, but worst PI (1.60, 8.08, and 113.1 vs. 0.76, 12.58, and 100.8, respectively). The wild species revealed higher α-tocopherol content (2.40 vs. 1.49 µg/g of fresh meat. Differences observed on their mineral composition counterbalance each other.

Under intensive production system and similar feeding and management conditions, the CQ develops better nutritional qualities than JQ. The comparison of wild and farmed species within CQ reveals more similarities than differences. Quail´s meat presents good nutritional quality and introduces variability to human's diet, which is much valued by consumers.

Influence of saliva interaction on surface properties manufactured for rapid osseointegration in dental implants

Surface treatments are designed to promote modified implant surfaces with positive interactions with the surrounding living tissues. However, the inadvertent early contact of these surfaces with oral fluids during surgery may lead to undesired conditions affecting osseointegration. This study aimed to investigate the possible alterations in the physico-chemical properties of modified-surfaces caused by early saliva exposure. Titanium (Ti) surfaces were exposed to three different samples of human saliva and later analyzed for protein adhesion, physico-chemical surface alterations, and osteogenic cell-viability. The results indicated that surface roughness was the most significant factor influencing saliva protein adsorption; moreover, hydrophilic surfaces had critically lost their characteristics after contact with saliva. Decreased cell viability was observed in cultures after contact with saliva. Early contact with saliva might negatively influence modified surface properties and local cell viability. Careful surgical insertion of implants with hydrophilic surfaces is recommended, particularly in sites where saliva interaction is prone to occur.

Childbirth expectations questionnaire – a psychometric study with a sample from brazil

Introduction

The Childbirth Expectations Questionnaire (CEQ; Gupton, A., Beaton, J., Sloan, J. & Bramadat, I.; 1991) evaluates the women childbirth expectation’s with 34 items organized in four dimensions: Pain and coping; Significant others; Nursing support and Interventions.

Objectives

To analyze the psychometric properties (construct validity using Confirmatory Factor Analysis, discriminant validity and reliability) of the Brazilian preliminary version of CEQ.

Methods

350 women (Mean age: 30.01±5.452) in the second trimester of pregnancy (Mean weeks of gestation=25.17±6.55), with uncomplicated pregnancies, completed the CEQ. To analyze discriminant validity, thirty of these women participated in a workshop (12 hours, integrated in the GentleBirth, a specific perinatal education intervention program) and fill in the CEQ again after approximately 8 weeks.

Results

After deleting seven items (1-3-20-24-33-34-35) and some errors were correlated the four-dimensional second-order model of CEQ presented good fit (χ²=2.496; RMSEA=.071; CFI=.845, TLI=.828). The CEQ Cronbach’s alpha for the total was α=.90; all factors presented good reliability: Pain coping (α=.87); Significant others (α=.66), Nursing support (α=.84), and Interventions (α=.76). The CEQ mean scores (total, Pain coping and Nursing support) were significantly higher after the workshop, indicating more positive expectations for childbirth (p<.05).

Conclusions

This additional validation study emphasizes that CEQ is an adequate measure of expectations of labour. It will be very useful to understand the correlates of childbirth expectations and also to access the efficacy of childbirth preparation programs.

Profile of mood states-27: A valid and reliable measure of negative and positive affect for brazilian pregnant women

Introduction

The original Profile of Mood States (McNair et al. 1971) is composed of 65 items to measure six affect dimensions. There is a Portuguese shorter version (POMS-27) for the perinatal period (Bos et al. 2013), which reduced the number of items (adjectives) down to 27. Although briefer, it still covers relevant mood states with good psychometric properties, being considered a good alternative to use during this demanding and busy period.

Objectives

To test if PoMS-27, composed of four dimensions (Depression, Anxiety, Vigour, Fatigue) and one second-order factor (Negative Affect, composed by the former two) is valid and reliable to be used with pregnant women from Brazil.

Methods

After confirming the items semantic equivalence and slightly adapt two adjectives from European to Brazilian Portuguese, 350 pregnant women (Mean age: 30.01±5.452; Mean gestation weeks=25.17±6.55), with uncomplicated pregnancies, completed the PoMS-27 and the Brazilian recently validated versions of Perinatal Depression Screening Scale and Perinatal Anxiety Screening Scale (PDSS; PASS; Barros et al. 2021). SPSS and AMOS software were used.

Results

After deleting two items (20 and 22) and some errors were correlated, CFA indicated that the PoMS-25 four-dimensional model presented an acceptable fit (χ2=3.163; RMSEA=.079, CFI=.868, TLI=.849). The Cronbach alphas of the dimensions were: Depression (.82), Anxiety (.86), Negative Affect (.89), Fatigue (.80) and Vigor (.50).

Conclusions

Within this psychometric study we found useful, valid and reliable measure of negative and positive affect for Brazilian pregnant women. From now on we will denominate it Profile of Mood States-25Br

Validity and reliability of the perinatal anxiety screening scale in a brazilian sample of pregnant women

Introduction

The Perinatal Anxiety Screening Scale was translated and validated for European Portuguese (PASS-29; Pereira et al. 2019), from the original PASS (composed of 31 items; Somerville et al. 2014) to allow epidemiological and correlational research and early detection, which is an health policy imperative. This need also applies to Brazil, where a specific instrument to measure perinatal anxiety is not available.

Objectives

To study the psychometric properties of the PASS Brazilian version factor structure using confirmatory factor analysis (CFA), internal consistency and pattern of correlations with mood states.

Methods

350 women (Mean age: 30.01±5.452) in the second trimester of pregnancy (Mean weeks =25.17±±6.55) completed the PASS and the Brazilian version of Profile of Mood States (POMS-25; Barros et al. 2021). SPSS and AMOS software were used.

Results

After deleting two items (1 and 2) and some errors correlated, CFA indicated a good fit for the second-order model (X2/df=2.987; CFI=.903; TLI=.889; GFI=.797, RMSEA=.075; p[rmsea≤0.01]<0.001). The Cronbach alpha was α=.937, and for the four dimensions (general anxiety and specific fear, perfectionism and control, social anxiety and adjustment disorder, acute anxiety and trauma.), were all α>.800. PASS total and dimensional scores significantly (p<.01) and moderately correlated with Profile of Mood States dimensions: negative affect (.471), Depression (.294), Anxiety (.548), Fatigue (.438) and Vigour (-.288).

Conclusions

Similarly, to what has been found for Portuguese version, the Brazilian PASS resulted in a 29-items-and-four-factors version, with good construct and convergent validity and reliability. In the near future we will determine the PASS cut-offs to screen for anxiety disorders in pregnancy and postpartum.

Brazilian version of the postpartum depression screening scale-24

Introduction

The PDSS-24 is a Portuguese short version of the Postpartum Depression Screening Scale (Beck and Gable, 2002). Items were selected on the basis of exploratory factor analysis (those with loadings >.60). The PDSS-24 proved to be superior to the 35-items PDSS in reliability, validity and screening ability (Pereira et al. 2013).

Objectives

To analyze the psychometric properties (construct validity using Confirmatory Factor Analysis, discriminant validity and reliability) of the Brazilian preliminary version of PDSS-24

Methods

After confirming the items semantic equivalence and slightly adapt two adjectives from European to Brazilian Portuguese, 350 pregnant women (Mean age: 30.01±5.452; Mean gestation weeks=25.17±6.55), with uncomplicated pregnancies, completed the PDSS-24 and the Brazilian recently validated versions of Profile of Mood States-25 (PoMS; Barros et al. 2021). SPSS and AMOS software were used.

Results

After some errors were correlated the multidimensional second-order model of PDSS-24 presented an aceptable fit (χ2=3.448; RMSEA=.099; CFI=.817, TLI=.886, GFI=.886). The PDSS Cronbach’s alpha for the total was α=.90. Cronbach alpha was .90 for the total and >.75 for the dimensions. Appling the Portuguese validated cut-off score for Major Depression/DSM-5 (>42) to this sample 224 (64.0%) participants presented clinical relevant depressive symptoms.

Conclusions

The Brazilian PDSS-24 has acceptable validity and reliability. The percentage of women with high depressive symptomatology is three times higher than the figures reported in Portuguese Studies. This can be partly explained by the fact that data collection was done during the COVID19 pandemic. It is important to determine the PDSS cut-offs to screen for perinatal depression in Brazil.

Postpartum depression screening scale-7: A valid and reliable short version both for portugal and brasil

Introduction

Screening programs for perinatal depression are systematicly implemented in developed countries. To circumvent the most commonly pointed limitation by the primary healthcare professionals (the questionnaires length), we have developed shorter forms of the Beck and Gable Postpartum Depression Screening Scale-35. The shortest version consists of seven items, each one representing a dimension evaluated by the PDSS. This PDSS-7 demonstrated equal levels of reliability and validity as the 35-item PDSS with the advantage of being completed in as little as 1-2 minutes(Pereira et al. 2013).

Objectives

To analyze the construct validity of the PDSS-7 using Confirmatory Factor Analysis, to use both in Portugal and in Brazil.

Methods

The Portuguese sample was composed of 616 women (Mean age: 32.29±4.466; Mean gestation weeks=17.13±4.929). These participants were not the same who participated in the psychometric study that led to the selection of the seven items. The Brazilian sample was composed of 350 women (Mean age: 30.01±5.452; Mean gestation weeks=25.17±6.55). They all had uncomplicated pregnancies and completed the European/Brazilian Portuguese versions of PDSS-24 (Pereira et al. 2013/ Barros et al. 2021), which was composed of the same items and included the seven items that compose the PDSS-7.

Results

The unidimensional model of PDSS-7 presented a good fit in both samples (Portuguese/Brazilian: χ²/d.f.=3.439/2.653; RMSEA=.066/.069, CFI=.974/.981, TLI=.947/.957, GFI=.939/.957; p<.001). The PDSS-7 Cronbach’s alphas were .82/.83 and all the items contribute to the internal consistency.

Conclusions

The PDSS-7 is a valid and precise, economic, fast and easy screening instrument for perinatal depression, a major public health problem, both in Portugal and in Brazil.

Levels of depressive and anxious symptoms of pregnant women before vs. during the COVID-19 pandemic

Introduction

The effects on the population’s mental health due to the rapid global spread of COVID-19 are even greater for specific groups such as pregnant women.

Objectives

To compare levels of depressive and anxiety symptoms of pregnant women before vs. during the COVID-19 pandemic and to analyze the role of COVID-19 fear in perinatal psychological disorder.

Methods

200 Brazilian women evaluated during the pandemic in May-June 2020 (Sample-1) with the Brazilian Covid-19 Fear Scale for the Perinatal Period (Barros et al. 2020) and Screening for Perinatal Depression and the Perinatal Anxiety Crawl Scale, both with α> .90. Sample-1 was compared with a sample of 300 Portuguese women; these responded to the same questionnaires, before the pandemic, in 2017 and 2018 (Sample-2).

Results

Sample-1 had significantly higher mean scores of depression (52.73 ± 20.26 vs. 35.87 ± 16.98, t = 10.77, p <.001) and anxiety (36.58 ± 18.23 vs. 18.50 ± 13.71, t = 11.94, p <.001) and correlated significantly (p <.05) and moderate (r.30) with the fear of COVID-19. Hierarchical regression analyzes showed that, even after controlling for the effect of risk factors for PPP (Pereira et al. 2020), fear of COVID-19 is a significant predictor of depressive symptomatology levels (increments of 2-5%) and anxious (10-15%) during the pandemic.

Conclusions

The Sample-1 being from a different country may be a confusing factor, however, the magnitude of differences in PPP levels and the relevant role of fear in COVID-19, alert us to be aware of perinatal mental health.

Evaluation of training effects in the person-centered clinical method through active methodologies

The Patient-Centered Clinical Method (PCCM) recognizes the particularities of each person who falls ill and values the therapeutic role of the doctor; promotes a holistic approach to the patient and / or the disease in its context; highlights the reasoning and decision-making process leading to the diagnosis taking into account the patient's expectations, feelings and fears. The proportion of patients who remain without a specific diagnosis is high because the clinical conditions present with nonspecific symptoms and the patient's understanding is the key to understanding. The challenge that is faced is training professionals with these skills and competences. The PCCM is an approach that respects the patient's preferences and in which communication has an effect on health outcomes, through self-confidence and motivation for change that can contribute to adherence and self-care. This work aims to present an experience of training new professionals at PCCM based on active methodology and mentoring in which the student himself is a source of reflection and study. The course was taught within the Residency Program in Family and Community Medicine in the Municipality of Vitória da Conquista, Bahia, Brazil, developed in 9 meetings of 4 hours each with themes such as, family, life cycle, genogram, ecomap, sexuality, death, diagnostic disclosure, ICU experience, psychosomatics. Many group dynamics and participatory techniques were used to enable involvement, at the end of the course they were asked to evaluate it, the writings were analyzed qualitatively through discourse analysis. The students showed a great willingness to bring their own experience of illness and style of illness, producing a greater empathy with the patient's condition. Trained professionals change from the authority paradigm to that of partnership, solidarity, empathy and collaboration. Training at the PCCM is a differential in the quality of care of any health professional.

Key messages

Allows to get closer to the user, facilitates understanding his problems and propose the developing joint strategies or plans - based on your expectations, limitations, feelings. PCCM tools contributed to the structuring of the clinical consultation in Primary Health Care (PHC), valuing the listening and the use of open questions.

Tracking the functional meaning of the human oral-microbiome protein-protein interactions

The interactome - the network of protein-protein interactions (PPIs) within a cell or organism - is technically difficult to assess. Bioinformatic tools can, not only, identify potential PPIs that can be later experimentally validated, but also be used to assign functional meaning to PPIs. Saliva's potential as a non-invasive diagnostic fluid is currently being explored by several research groups. But, in order to fully attain its potential, it is necessary to achieve the full characterization of the mechanisms that take place within this ecosystem. The onset of omics technologies, and specifically of proteomics, delivered a huge set of data that is largely underexplored. Quantitative information relative to proteins within a given context (for example a given disease) can be used by computational algorithms to generate information regarding PPIs. These PPIs can be further analyzed concerning their functional meaning and used to identify potential biomarkers, therapeutic targets, defense and pathogenicity mechanisms. We describe a computational pipeline that can be used to identify and analyze PPIs between human and microbial proteins. The pipeline was tested within the scenario of human PPIs of systemic (Zika Virus infection) and of oral conditions (Periodontal disease) and also in the context of microbial interactions (Candida-Streptococcus) and showed to successfully predict functionally relevant PPIs. The pipeline can be applied to different scientific areas, such as pharmacological research, since a functional meaningful PPI network can provide insights on potential drug targets, and even new uses for existing drugs on the market.

Selected Cardoon (Cynara cardunculus L.) Genotypes Suitable for PDO Cheeses in Mediterranean Regions

Cardoon flower extract is a traditional and exclusive rennet used for some PDO cheeses in several Mediterranean regions, due to its extremely high concentration in cardosins. In this preliminary study, six individual cardoon genotypes (1M - 6M) were selected because they revealed a wide and consistent diversity of total and specific cardosin concentrations in flowers. During three growing seasons, the stability of 12 biochemical characteristics of flower extracts and 26 plant morphological descriptors was confirmed. Surprisingly, the cardosin profiles of each genotype, based on four main groups A0, A1, A and B, were stable during the annual flower harvesting period and over all three years using ion-exchange chromatography and native-PAGE electrophoresis. This knowledge will allow an improvement in the quality and standardization of cardosin profiles from cardoon flowers used for cheese production and other innovative applications. The results obtained are promising for the development of a plant breeding program based on biochemical and morphological characteristics in order to obtain the most adapted plant architecture for combined purposes related to specific cardosins composition, flower and plant biomass production, and ease of harvesting.

Knowledge Representation and Management: a Linked Data Perspective

INTRODUCTION

Biomedical research is increasingly becoming a data-intensive science in several areas, where prodigious amounts of data is being generated that has to be stored, integrated, shared and analyzed. In an effort to improve the accessibility of data and knowledge, the Linked Data initiative proposed a well-defined set of recommendations for exposing, sharing and integrating data, information and knowledge, using semantic web technologies.

OBJECTIVE

The main goal of this paper is to identify the current status and future trends of knowledge representation and management in Life and Health Sciences, mostly with regard to linked data technologies.

METHODS

We selected three prominent linked data studies, namely Bio2RDF, Open PHACTS and EBI RDF platform, and selected 14 studies published after 2014 (inclusive) that cited any of the three studies. We manually analyzed these 14 papers in relation to how they use linked data techniques.

RESULTS

The analyses show a tendency to use linked data techniques in Life and Health Sciences, and even if some studies do not follow all of the recommendations, many of them already represent and manage their knowledge using RDF and biomedical ontologies.

CONCLUSION

These insights from RDF and biomedical ontologies are having a strong impact on how knowledge is generated from biomedical data, by making data elements increasingly connected and by providing a better description of their semantics. As health institutes become more data centric, we believe that the adoption of linked data techniques will continue to grow and be an effective solution to knowledge representation and management.

Influence of different behavioural factors and obesity status on systolic blood pressure among pre-school children

AIM

The aim of this study was to examine the association between sleeping time (SLT), time spent using screen (ST) and weight status with Systolic Blood Pressure (SBP) among pre-school children.

SUBJECTS AND METHODS

The sample comprised 628 pre-school children (50% female), aged 3-6 years-old. SLT and ST were reported by parents. BMI values were categorized according to IOTF. SBP cut points were based on SBP percentiles for age, sex and height. ST was dichotomized according to the following criteria: ≤1 hour vs >1 hour and SLT: ≤10.5 hours vs >10.5 hours. Participants were then categorized into one of four category profiles: Low ST/High SLT; High ST/Low SLT; Low ST/Low SLT and High ST/High SLT.

RESULTS

Children assigned to the High ST/Low SLT group were 2-times more likely to have high SBP values compared to those who were assigned to the Low ST/High SLT group (OR = 2.4; 95% CI = 1.1-5.1). Furthermore, those who were assigned as overweight and obese were more likely to be classified as having elevated BP (OR = 1.8; 95% CI = 1.1-3.2 for overweight and OR = 3.1; 95% CI = 1.6-5.8 for obese, respectively).

CONCLUSION

The data showed that high ST exposure time and low SLT are associated with enhanced blood pressure in children at pre-school.