Introduction: Good quality sleep is essential for good neurocognitive performance, mental and physical health. However, changes in society have led to a worsening of sleep quality, which is associated with the development of anxiety and depression. Objective: Discuss and contribute for a better understanding of the association between sleep loss and anxiety and depression. Methodology: This article presents a narrative review of the literature based on the analysis of scientific articles published from 2014 to 2022, in PubMed, about sleep deprivation and its association with anxiety and depression. Two criterias were applied, titles that did not mention the thematic association between sleep deprivation and depression and anxiety and abstracts that did not address that theme. After the exclusion criterias, was obtained in total, 45 articles originally in English (including book chapters, guidelines and case reports) remained. Discussion: Sleep deprivation is associated with an increase in cortisol levels, a reduction in testosterone and serotonin levels, and an increase in inflammatory markers. In this context, this condition is related to symptoms of depression and anxiety. Due changes in the pattern of society, such as increased use of the internet and a greater workload, have led a large part of the population to develop problems in sleep quality. Addictionaly, it is known that good quality sleep is essential for good neurocognitive performance, mental and physical health. Conclusion: This study discussed the relation between sleep deprivation, depression and anxiety. It is added to its effect on good neurocognitive performance, mental and physical health. Overall, it was evidenced that there is an association of mechanisms between these disorders. In this context, there is an urgent need for more specific research and dissemination of data on the association of sleep deprivation and depression and anxiety.
The knowledge of the spinal cord irrigation is important for the therapeutic planning of aortic pathologies; however, its vasculature is complex due to the caliber of its arteries that pass through a three-dimensional network with great anatomical variability. Its clinical importance is evidenced during the preoperative procedure of thoracic and thoracoabdominal aortic surgeries, because its identification is essential for the prevention of spinal cord injuries. This study consists of a literature review, in which searches were conducted in the databases - Bireme, Science Direct, Pubmed and Lilacs. Articles published between 1999 and 2020, written in English, Portuguese or Spanish, were selected. The search was conducted using the descriptors Anatomy, Spinal Cord Irrigation and Spinal Cord Ischemia. The Adamkiewicz artery is the main artery responsible for the arterial supply to the lower part of the spinal cord. Thus, paraplegia is a complication of this type of surgical approach resulting from ischemic suffering of the spinal cord during the process. Therefore, further study on these factors should be encouraged, because the preservation of this vessel is relevant given the search for protection of the spinal cord and the maintenance of its functions in this type of procedure.
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