Developing Topics.

Background: Brain imaging plays an important role in Alzheimer's disease (AD) assessment. Combined with cognitive assessment, MRI helps to exclude other brain disorders and to support AD diagnosis based on the atrophy of specific regions. Visual atrophy scales are useful in clinical practice, especially in low-income areas where access to biomarkers and automated volumetric analysis are limited.

Authentic Nursing Leadership and Safety Climate Across Hospital Settings During the COVID-19 Pandemic: A Cross-Sectional Study.

Aim: To analyse the relationship between authentic nursing leadership and safety climates across hospital settings during the COVID-19 pandemic.

Background: Authentic nursing leadership shapes the safety climate by fostering positive perceptions of workplace policies, processes, procedures and practices that influence how safety is prioritised and addressed within an organisation.

Design: A cross-sectional study.

Online Education to Improve Palliative Care Professionals' Knowledge of Sleep Management.

Inadequate sleep is a common problem among those receiving palliative care services, yet there is limited knowledge regarding nonpharmacological sleep interventions among staff. An educational online program was developed to address this deficit. This study assessed the extent of knowledge acquired following the online educational sleep program and determined the feasibility of using this intervention with palliative care professionals.

Community of Practice for Nursing: connecting nurses in the Region of the Americas.

Objective: to analyze the use profile and content of the messages posted in the Community of Practice for Nursing in the Region of the Americas of the Pan American Health Organization as a tool intended to share experiences, knowledge and opportunities for nurses.

Methods: a descriptive and qualitative study aimed at analyzing the messages posted in the Community of Practice forums. The data were analyzed by content analysis.

Nutrient availability and growth of bell pepper plants under fertilization management with humic substances and cattle manure.

Humic substances associated with cattle manure can enhance and reduce the costs of organic fertilization. In this sense, the objective was to evaluate the application of humic substances in association with cattle manure on soil fertility, growth and root nutrition in pepper plants. The experimental design used was randomized blocks, arranged in a factorial scheme with 4 doses of cattle manure (8, 18, 28 and 38 Mg ha-1), 3 doses of humic substances (0, 8 and 12 kg ha-1), with 4 replicates.