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(2) Selection of individuals who experienced the process of return to work, use of a pre-elaborated script for conducting semi-structured and individuals interviews. The interviews were recorded and transcribed for content analysis by thematic categories. Results: For this study, six (n=6) individuals participated in the interviews, aged 28-54 years, the majority female (n=5), with incomplete high school educational level and with varied professions. The testimonies showed: return to work for the same function; no respect to the physical restrictions/ limitations; resurgence of painful symptoms; fear and risk of dismissal; feeling of inability and the importance of a family support. Conclusion: The return to work process requires interventions of multiprofessional teams and interdisciplinary actions.

Introduction: Obstructive sleep apnea (OSA) has been associated with non-dipping blood pressure (BP). The precise mechanism is still under investigation, but repetitive oxygen desaturation and arousal induced sleep fragmentation are considered the main contributors. Methods:We analyzed beat-to-beat measurements of hemodynamic parameters (HPs) during a 25-min period of wake-sleep transition. Differences in the mean HP values for heart rate (HR), systolic BP (SBP), and stroke volume (SV) during wake and sleep and their standard deviations (SDs) were compared between 34 controls (C) and 22 OSA patients. The Student's t-test for independent samples and the effect size by Cohen's d (d) were calculated. HP evolution was investigated by plotting the measured HP values against each consecutive pulse wave. After a simple regression analysis, the calculated coefficient beta (SCB) was used to indicate the HP evolution. We furthermore explored by a hierarchical block regression which variables increased the prediction for the SCB: model 1 BMI and age, model 2 + apnea/hypopnea index (AHI), and model 3 + arousal index (AI).Results: Between the two groups, the SBP increased in OSA and decreased in C resulting in a significant difference (p = 0.001; d = 0.92). The SV demonstrated a similar development (p = 0.047; d = 0.56). The wake/sleep variation of the HP measured by the SD was higher in the OSA group-HR: p < 0.001; d = 1.2; SBP: p = 0.001; d = 0.94; and SV: p = 0.005; d = 0.82. The hierarchical regression analysis of the SCB demonstrated in SBP that the addition of AI to AHI resulted in R 2 : +0.163 and F + 13.257 (p = 0.001) and for SV R 2 : +0.07 and F 4.83 (p = 0.003). The AI but not the AHI remained statistically significant in the regression analysis model 3-SBP: β = 0.717, p = 0.001; SV: β = 0.469, p = 0.033. Frontiers in Physiology | www.frontiersin.org 1 March 2020 | Volume 11 | Article 104 Staats et al. Sleep Fragmentation and Hemodynamic DippingConclusion: In this study, we demonstrated that in OSA, the physiological dipping in SBP and SV decreased, and the variation of all investigated parameters increased. Hierarchical regression analysis indicates that the addition of the AI to BMI, age, and AHI increases the prediction of the HP evolution following sleep onset for both SBP and SV and may be the most important variable.

Resumo: Objetivo: Investigar sobre o processo saúde-doença de sujeitos acometidos por dor lombar e em situação de afastamento do trabalho, e as repercussões na saúde. Método: Estudo exploratório, descritivo, retrospectivo e com abordagem qualitativa. Etapa (1): seleção de prontuários abertos no CEREST (2010CEREST ( -2011 The absence from work due to low back pain and the repercussions on health: old persisting issues and challenges Abstract: Objective: To investigate the health-disease process of subjects affected by low back pain in a situation of absence from work, and the repercussions on health. Method: Exploratory, descriptive, retrospective and qualitative study.Step (1): selection of open charts in the CEREST (2010-2011) of subjects with clinical diagnosis referring to diseases of the lumbar spine, complaints of low back pain and who experienced absence from work.Step (2): conducting of semi-structured and individual interviews, recorded and transcribed for content analysis. Results: Of the fifty (50) medical records, ten (10) subjects were interviewed, six (6) of them where female, most of them of low educational level and several professions. We identified occupational organization experiences that contributed to the worsening of cases and absence from work, such as intense pressures and rhythms, undersized teams; fear of unemployment and subjection to demands, among others, which caused suffering. Conclusion: The health-disease process and worsening of low back pain at work needs to be extensively investigated, taking into account also the subjective, relational and social aspects involved.

showed that 27.9% (n=19) presented also soft tissue injuries (M60 to M79), 3.2% (n=09) mental disorders, and 70.9% (n=39) were in absence from work. Conclusion: The most affected age was in the productive phase and more than half of the subjects were in absence from work situation, some subjects with other clinical diagnosis, reinforcing the need of interdisciplinary interventions.

for the interviews with the subjects, which were recorded and transcribed for content analysis, and also an application of the Oswestry Low Back Pain Scale-OSW tool. Results: We analyzed 431 records with patients of both genders, and 15.77% (68) were diagnosed with "other back diseases". Of these, 73.5% (50) presented initial complaint of lower back pain. Ten (10) subjects participated of the interview, aged between 35-58 years, both genders, different professions, and most with little schooling. Among the subjects were found the loss of identity in social roles based on disability, postures that can trigger pain in everyday life, the need to perform tasks that can trigger pain, mental suffering related to situations, among others. Conclusion: The leave of absence due to chronic lower back pain may cause disability and suffering, and functional aspects are relational and must be analyzed and dealt with the biopsychosocial perspective and multidisciplinary teams.

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