Optimized Extraction Protocols for Bioactive Antioxidants from Commercial Seaweeds in Portugal: A Comparative Study of Techniques.

This study aimed to optimize the extraction conditions for a valuable source of antioxidants: seaweed. Therefore, ten seaweed samples were subjected to a solid-liquid extraction (SLE), where the extraction conditions (biomass (g): solvent (mL) ratio, temperature, and time) were optimized using response surface methodology (RSM). The seaweeds were also subjected to subcritical water extraction (SWE) (140 and 190 °C) and ultrasound-assisted extraction (UAE) (10 and 20 min).

Urinary incontinence in women: assessment with the aid of standardized nursing terminologies NANDA-I and NOC.

Objectives: to assess urinary impairment in incontinent women with the aid of standardized nursing terminologies NANDA-I and NOC.

Methods: a cross-sectional study, carried out with 97 women attending the gynecology outpatient clinic of a university hospital. Data collection took place using a form that contained information about NANDA-I diagnoses related to urinary incontinence and NOC Urinary Continence indicators.

Factors associated with deaths from COVID-19 in a region of northeastern Brazil.

Introduction: There is a need to improve knowledge and understanding of the factors associated with mortality from COVID-19 so that managers and decision-makers can implement strategies to mitigate and control the severe forms of the disease. This study aimed to determine the factors associated with deaths from COVID-19 in the state of Maranhão, in northeastern Brazil.

Methodology: This is a cross-sectional and analytical study with patients with a confirmed diagnosis of COVID-19 who died from March 2020 to January 2022.

Platypnea-Orthodeoxia Syndrome: Two Case Reports.

Described for the first time in the middle of the last century, platypnea-orthodeoxia syndrome (POS) is an uncommon condition of positional dyspnea and hypoxemia, triggered by standing and relieved with recumbency. It is most commonly associated with right-to-left shunting through a patent foramen ovale (PFO) or atrial septal defect, however its pathophysiology is not entirely understood. As a rare syndrome, it remains underdiagnosed in many patients.

Pulmonary Embolism of COVID-19: A Year of Reflection.

Introduction The coronavirus disease 2019 (COVID-19) pandemic has brought about significant changes in the medical field. While primarily characterized as a respiratory syndrome, COVID-19 is also associated with vascular events, particularly thrombotic complications. These events can manifest as initial presentations or develop as complications during the course of the disease, predominantly driven by immune-mediated mechanisms.

Idiopathic Hypereosinophilic Syndrome: A Case Report.

Idiopathic hypereosinophilic syndrome is a rare condition characterized by persistent severe eosinophilia and organ damage without any apparent cause. A 20-year-old male patient with no significant medical history was admitted to the Emergency Department with retrosternal chest pain, fatigue and asthenia. EKG showed ST elevation I, II, III, aVF, V4-V6 and blood tests showed elevated troponin levels.

The Serious Impact of Comorbidities on Methemoglobinemia: A Case Report.

Methemoglobinemia is a rare, life-threatening condition that occurs when the body is exposed to oxidative stress. We present the case of a 72-year-old female with a past medical history of hypertension, obesity, dyslipidemia, and heart failure who was admitted to the emergency department with altered mental status and respiratory failure. After admission, we also identified an atrioventricular block 2:1, anemia, and skin discoloration.

Measuring the General and Specific Domains of Self-Esteem: The Short-form of the State Self-Esteem Scale.

Self-esteem is a crucial human nature feature for understanding the social dimensions of individuals' self-concept. One of its characteristics is peoples' malleability to adapt to social contexts, that is, the state self-esteem (SSE). Individuals express SES in three different factors: performance; social success; and physical appearance.

Evaluation of the Relationships between Simple Anthropometric Measures and Bioelectrical Impedance Assessment Variables with Multivariate Linear Regression Models to Estimate Body Composition and Fat Distribution in Adults: Preliminary Results.

Background: Overweight and obesity are conditions associated with sedentary lifestyle and accumulation of abdominal fat, determining increased mortality, favoring chronic diseases, and increasing cardiovascular risk. Although the evaluation of body composition and fat distribution are highly relevant, the high cost of the gold standard techniques limits their wide utilization. Therefore, the aim of this work was to explore the relationships between simple anthropometric measures and BIA variables using multivariate linear regression models to estimate body composition and fat distribution in adults.

Empirical ozone isopleths at urban and suburban sites through evolutionary procedure-based models.

Ozone (O) is a reactive oxidant that causes chronic effects on human health, vegetation, ecosystems and materials. This study aims to create O isopleths in urban and suburban environments, based on machine learning with air quality data collected from 2001 to 2017 at urban (EA) and suburban (CC) monitoring stations from Madrid (Spain). Artificial neural network (ANN) models have powerful fitting performance, describing correctly several complex and nonlinear relationships such as O and his precursors (VOC and NO).

[Prevalence and factors associated with non-enrollment for kidney transplant].

This study evaluated the prevalence and factors associated with lack of enrollment for kidney transplant among patients in chronic dialysis in Greater Metropolitan Fortaleza, Ceará, Brazil. The sample excluded patients with insufficient clinical status and those already in pre-kidney transplant evaluation. A semi-structured questionnaire was applied, including options for the question, "What is the main reason why you are not enrolled for kidney transplant?" Prevalence of patients considered fit but not enrolled or in pre- kidney transplant evaluation was 50.

Assessment of main complications of regional anesthesia recorded in an acute pain unit in a tertiary care university hospital: a retrospective cohort.

Background: Regional anesthesia has been increasingly used. Despite its low number of complications, they are associated with relevant morbidity. This study aims to evaluate the incidence of complications after neuraxial block and peripheral nerve block.

Long-term impact of early initiation of enzyme replacement therapy in 34 MPS VI patients: A resurvey study.

Patients with mucopolysaccharidosis type VI (MPS VI) present with a wide range of disease severity and clinical manifestations, with significant functional impairment and shortened lifespan. Enzyme replacement therapy (ERT) with galsulfase has been shown to improve clinical and biochemical parameters including patient survival, quality of life and growth. The present study is a resurvey of 34 Brazilian MPS VI patients with rapidly progressive disease (classical phenotype) who initiated ERT with galsulfase under five years of age and had been on ERT until data collection in 2019, with few exceptions (n = 4 patients who died before 2019).

Assessment of tissular integrity in patients with diabetic foot.

Objective: Evaluate the impairment of tissue integrity in patients with diabetic foot and verify its association with time of diagnosis of the disease.

Methods: Cross-sectional study conducted with 134 patients in an outpatient clinic located in the Northeast region of Brazil. A semi-structured questionnaire was used for data collection, which was subjected to descriptive analysis and the Mann-Whitney U non-parametric test.

Sociodemographic and Behavioral Factors Associated with HIV Vulnerability according to Sexual Orientation.

Objective: To analyze sociodemographic and behavioral factors associated with vulnerability to HIV according to sexual orientation.

Method: This is a cross-sectional study conducted using data on 3,818 people in the city of Imperatriz, Brazil, during 2015 and 2016. The survey's questionnaires addressed sociodemographic and behavioral variables.

Can whole body vibration exercises promote improvement on quality of life and on chronic pain level of metabolic syndrome patients? A pseudorandomized crossover study.

Quality of life (QoL) is one of the most important health outcome concepts expressed subjectively. Chronic pain (CP) is an unpleasant sensory and emotional experience associated with actual or potential tissue damage. Taking into account the poor QoL and the CP already described in metabolic syndrome (MSy) individuals, this study aimed to evaluate the effects of whole body vibration exercises (WBVE) on these parameters in this population.

Acute and Cumulative Effects With Whole-Body Vibration Exercises Using 2 Biomechanical Conditions on the Flexibility and Rating of Perceived Exertion in Individuals With Metabolic Syndrome: A Randomized Clinical Trial Pilot Study.

This study evaluated the effects of 6 weeks of whole-body vibration (WBV) exercise on flexibility and the rating of perceived exertion (RPE) in metabolic syndrome (MetS) individuals using 2 biomechanical conditions (fixed frequency [FF] and variable frequency [VF]). Nineteen MetS individuals were randomly allocated in FF-WBV (n = 9, 7 women and 2 men) and VF-WBV (n = 10, 8 women and 2 men) groups. Anterior trunk flexion (ATF) and RPE were determined before and after each session.

Quality assessment of water intended for human consumption from Kwanza, Dande and Bengo rivers (Angola).

Angola is one of the countries with a high rate of waterborne diseases, due to the scarcity and poor quality of water for human consumption. The watercourses are receptors of many effluents, mainly domestic sewage, due to a precarious or inexistent sanitation system and a small number of wastewater treatment plants. Therefore, this study aims: (i) to evaluate the water quality (physicochemical and microbiological parameters) of three Angolan rivers (Kwanza, Bengo and Dande) in locations where water is used as drinking water or abstracted for human consumption; (ii) to develop a new water quality index able to quantitatively express the water quality in those sites; and (iii) to assess the spatial distribution of water pollution through principal component analysis (PCA).

Evaluation of the temperature of posterior lower limbs skin during the whole body vibration measured by infrared thermography: Cross-sectional study analysis using linear mixed effect model.

Background: Whole body vibration exercise (WBVE) has been shown to improve muscular strength and power, and increase peripheral blood flow. The aim of this study was to evaluate the behavior of the skin temperature (Tsk) on regions of the lower limbs from an acute bout of WBVE.

Methods And Findings: Cross-sectional study approved by local ethics committee (Certificado de Apresentação para Apreciação Ética-CAAE-19826413.

Enhancement of antibiotic activity by phytocompounds of .

The present study aimed to evaluate the antibacterial and modulatory activity of the methyl extract in isolation or in combination with aminoglycoside antibiotics, using the microdilution method. The methyl extract was used in isolation in the antibacterial assays and in combination with antibiotics in the modulation assays. All tests were performed in triplicates.

Whole-body vibration improves the functional parameters of individuals with metabolic syndrome: an exploratory study.

Background: Metabolic syndrome (MetS) is a cluster of metabolic abnormalities that increases the cardiovascular risk. Regular physical exercise can promote benefits, but the MetS individuals are demotivated to perform it. Thus, new possibilities are important as an alternative intervention.

Impact of the implementation of Lisbon low emission zone on air quality.

Air pollution is an increasing concern due to the negative impacts on human health, environment, and patrimony. The implementation of a Low Emission Zone (LEZ) is an important air quality policy action to reduce air pollutant emissions. This study aims to assess the air quality improvements in Lisbon with the LEZ implementation, analysing its impact on the air pollutant concentrations.

Assessment Through the Short Physical Performance Battery of the Functionality in Individuals With Metabolic Syndrome Exposed to Whole-Body Vibration Exercises.

Physical activity is recommended in the management of individuals with metabolic syndrome (MetS), and recent studies have suggested whole-body vibration exercise (WBVe) for this population. The aim of this study was to evaluate the functionality through the Short Physical Performance Battery (SPPB) in individuals with MetS after WBVe. The SPPB evaluates the balance, the gait speed, and the lower limb strength (five-chair stand [5CS] test).

Nutrient recovery from wastewaters by microalgae and its potential application as bio-char.

The intensive agricultural practices are increasing the demand for chemical fertilizers, being currently produced from a non-environmental friendly way. Besides the environmental impacts, the nutrient uptake efficiency by the crops is very low, representing huge losses into the fields. Therefore, it is crucial to study alternatives for the current chemical fertilizers, which simultaneous improve nutrient efficiency and minimize environmental impacts.

Guide of attributes of the nurse's political competence: a methodological study.

Objective: To build and validate a guide of attributes of the nurse's political competence.

Method: Methodological research. This study comprised the construction of the instrument through literature review; experts validation of pre-established attributes for composing the guide; and clinical validation in the nurses work environment/reality.