Background: Obstructive sleep apnea (OSA) is characterized by repeated airway obstructions during sleep, causing hypopnea, apnea, intermittent hypoxia, and sleep fragmentation. The severity of OSA is measured using the apnea-hypopnea index (AHI), with AHI ≥ 5 indicating OSA. This study aims to assess the frequency and type of depressive disorder characteristics of OSA patients and to evaluate the impact on quality of life, also considering the presence of hyperactivity. Methods: A case-control study using OSA patients referred to Cagliari\'s sleep disorder center. Controls were matched by age and sex from community databases. OSA diagnoses were made with AHI > 15. Depressive episodes were identified using BDI-SF, and H-QoL (Health related Quality of Life) was measured with the SF-12, focusing on item 10 for hyper-energy. Results: The clinical sample (n = 25) had a higher frequency of depressive episodes (36%) compared to controls (7% and 4%). Depressed OSA patients had worse H-QoL and higher hyper-energy scores, but the additional burden from depression was relatively low. Conclusions: The OSA sample has a higher frequency of depressive episodes compared to the general population. Depressive episodes in OSA patients are linked to higher scores on item 10 of the SF-12, indicating hyper-energy despite lower overall quality of life scores. While OSA significantly impacts quality of life, the additional burden from depression is less severe than in other chronic diseases. These findings suggest that depressive episodes in OSA may be related to rhythm dysregulation and hyperactivity (DYMERS).

A \'Direct to Psychology Insomnia\' pathway was developed for implementation within a multidisciplinary sleep disorders service in a tertiary hospital in Brisbane, Australia. The project was informed by implementation science principles and methodology to re-design the model of care (MoC). A consensus group workshop using the Nominal Group Technique (NGT) with 12 multidisciplinary staff was undertaken to develop the new MoC. The workshop explored inclusion and exclusion criteria for a Direct to Psychology pathway including patient flow and enablers. The team endorsed a MoC that was acceptable to stakeholders and addressed service-level imperatives. The findings highlighted that patient inclusion or exclusion should be overseen by the Sleep Physician team and an Advanced Psychologist with behavioural sleep medicine expertise. Continuum of care for patients referred via primary care providers was considered. Barriers and risks to the MoC changes were identified which informed the refinement of the MoC.

OBJECTIVE: Obstructive sleep apnoea (OSA) is positively associated with cardiovascular diseases, and continuous positive airway pressure (CPAP) is a common treatment for such patients. This study aimed to explore the impact of CPAP on cardiovascular outcomes and prognosis in patients with OSA.
METHODS: A search was conducted in the PubMed, Embase and CENTRAL databases for relevant studies published up to March 2024. Two independent reviewers screened the studies based on inclusion and exclusion criteria, and data were synthesised using RevMan 5.3 software. Heterogeneity was assessed using the Cochran Q test and the I2 statistic.
RESULTS: A total of 10 randomised controlled trials and 3 observational studies, comprising 13,832 patients, were included. Compared with standard treatment, the use of CPAP did not significantly reduce the risk of major adverse cardiovascular events (MACE) (risk ratio [RR]: 0.73, 95% confidence interval [CI]: 0.52-1.03; p = 0.07; I2 = 66%), all-cause mortality (RR: 0.92, 95% CI: 0.72-1.16; p = 0.48; I2 = 0%), cardiovascular mortality (RR: 0.63, 95% CI: 0.33-1.19; p = 0.15; I2 = 70%) or non-cardiovascular mortality (RR: 0.81, 95% CI: 0.57-1.15; p = 0.23; I2 = 0%). Similarly, there were no significant differences in the incidence of myocardial infarction, stroke, hospitalisation due to unstable angina or heart failure or atrial fibrillation among those using CPAP. However, when CPAP adherence was ≥ 4 h, CPAP significantly reduced the risk of MACE and cardiovascular mortality.
CONCLUSIONS: Although CPAP\'s cardiovascular benefits in patients with OSA are not confirmed, it may be that bias risks, CPAP adherence and characteristics of the study population may attenuate the perceived benefits of CPAP. Further research is needed to optimise CPAP therapy.

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Atrial fibrillation (AF) is the most common heart rhythm disorder, defined by an irregular and rapid heartbeat. It is the most prevalent cardiac arrhythmia in the United States, characterized by irregular heartbeats due to asynchrony between atrial and ventricular contractions. AF can be categorized as paroxysmal or persistent and, as such, poses significant health risks, including heart failure and stroke. Factors like age, sex, lifestyle, and existing health conditions elevate AF risk. There have been a lot of debates around AF risk management and its impact on prognosis. This literature review aims to explore the influence of addressing modifiable risk factors in AF patients on its morbidity and mortality, exploring various treatment options and their effectiveness. Current guidelines suggest rate control and anticoagulation for persistent AF with medications like beta blockers and non-vitamin K oral anticoagulants. Catheter ablation for rhythm control is contentious. Studies on supplemental treatments, lifestyle changes, and managing comorbidities show mixed results, necessitating further research for comprehensive treatment effectiveness in AF patients, which this literature review will discuss.

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BACKGROUND: Long-term adherence to continuous positive airway pressure (CPAP) therapy for obstructive sleep apnoea remains suboptimal and low adherence increases healthcare costs. This study investigated relationships between CPAP adherence and the intensity of support provided by homecare providers after implementation of telemonitoring and pay-for-performance reimbursement for CPAP in France.
METHODS: Adults who started CPAP in 2018/2019, used telemonitoring, and had ≥1 year of homecare provider data were eligible. The main objective was to determine associations between CPAP adherence at 1 month (low [<2h/night], intermediate [2 to <4h/night], high [≥4h/night]) and the number/type of homecare provider interactions (home visits, phone calls, mask change) during the first year.
RESULTS: Eleven thousand, one hundred sixty-six individuals were included (mean age 59.8±12.7 years, 67% male). The number of homecare provider interactions per person increased significantly as 1-month CPAP usage decreased (7.65±4.3, 6.5±4.0, 5.4±3.4 in low, intermediate and high adherence groups; p<0.01). There was marked improvement in device usage over the first 5-6 months of therapy in the low and intermediate adherence subgroups (p<0.05 after adjustment for age, sex, initial CPAP adherence, and number of interactions). After adjustment for age, sex and 1-month adherence, having 3-4 interactions was significantly associated with better 1-year adherence (odds ratio 1.24, 95% confidence interval 1.05-1.46), while having >7 interactions was significantly associated with worse 1-year adherence.
CONCLUSIONS: The telemonitoring/reimbursement scheme in France had a positive impact on CPAP adherence and facilitated a more personalised approach to therapy management, focusing resources on patients with low and intermediate adherence.

UNASSIGNED: Chronic kidney disease (CKD) is a major health concern in Saudi Arabia. The prevalence of CKD and associated risk factors in Saudi Arabia\'s general population are not efficiently studied. The goal of this research is to determine the prevalence rate of CKD in the ASIR region and its associated epidemiological risk factors.
UNASSIGNED: This is a cross-sectional study that used a comprehensive direct questionnaire to collect data on CKD prevalence and risk factors in the ASIR region of Saudi Arabia. The study was carried out in different age groups. Demographic characteristics, presence of CKD, and associated factors such as a history of acute kidney disease, obstructive sleep apnoea, family history, history of non-steroid anti-inflammatory drugs (NSAID), smoking status, comorbidities, and history of periodontal diseases were asked. The survey tool was validated through a pilot study, and a statistical p value of 0.05 was considered significant.
UNASSIGNED: A total of 967 participants were included in the study, with a CKD prevalence rate of 1.9%. Sex, history of acute kidney disease, obstructive sleep apnoea, family history of kidney disease, smoking, diabetes, peptic ulcer disease, hypertension and hyperlipidemia were commonly found to be associated with CKD. A binary logistic regression model was carried out to assess the risk factors for CKD. Sex, history of acute kidney disease, family history of kidney disease, obstructive sleep apnoea, smoking status, peptic ulcer, diabetes, hypertension, hyperlipidemia, hypertension and diabetes, two or more comorbidities and NSAID use had an increased risk of CKD.
UNASSIGNED: Sex, history of acute kidney disease, obstructive sleep apnoea, family history, smoking, diabetes, hypertension, peptic ulcer, hyperlipidemia, multi-comorbidity, and use of NSAIDs are all associated with an increased risk of CKD. The prevalence of CKD in this study is comparatively lower when compared to other regions in Saudi Arabia.

UNASSIGNED: Non-alcoholic fatty liver disease (NAFLD), a chronic liver condition of increasing prevalence, is closely related to various metabolic disorders. Hemoglobin, a protein that transports oxygen in red blood cells, is the focus of this study, which seeks to investigate its potential association with NAFLD.
UNASSIGNED: We selected 6,516 eligible adult participants from the United States using the 2017-2020 National Health and Nutrition Examination Survey database for cross-sectional analyses. We analyzed the association of hemoglobin with NAFLD using weighted logistic regression models.
UNASSIGNED: The study performed a weighted logistic regression modeling analysis, which verified that hemoglobin levels were positively associated with NAFLD, especially in the higher hemoglobin quartile groups. Subgroup analyses revealed no significant interactions, demonstrating the robustness of the model. The analysis of mediation effects showed that Gamma-Glutamyl Transferase, Alanine Aminotransferase, and triglycerides were important mediating variables in the relationship between hemoglobin and NAFLD.
UNASSIGNED: Increased hemoglobin levels were found to be significantly and independently associated with an increased NAFLD risk. This insight is crucial for the risk assessment and early detection of NAFLD, underscoring the need for heightened vigilance in individuals with higher hemoglobin levels.

UNASSIGNED: Intestinal barrier dysfunction and systemic inflammation are common in obstructive sleep apnoea (OSA). We aimed to investigate the role of melatonin, an anti-inflammatory mediator, in mediating the relationships between OSA, intestinal barrier dysfunction and systemic inflammation.
UNASSIGNED: Two hundred and thirty-five male participants who complained with sleep problems and underwent whole night polysomnography at our sleep centre between 2017 and 2018 were enrolled. Polysomnographic data, anthropometric measurements and biochemical indicators were collected. Serum melatonin, intestinal barrier function biomarker zonula occludens-1 (ZO-1) and inflammatory biomarkers C-reactive protein (CRP) with lipopolysaccharide (LPS) were detected. Spearman\'s correlation analysis assessed the correlations between sleep parameters, melatonin and biomarkers (ZO-1, LPS and CRP). Mediation analysis explored the effect of OSA on intestinal barrier dysfunction and systemic inflammation in moderate-severe OSA patients.
UNASSIGNED: As OSA severity increased, serum melatonin decreased, whereas ZO-1, LPS and CRP increased. Spearman\'s correlation analysis showed that serum melatonin was significantly negatively correlated with ZO-1 (r = -0.19, p < .05) and LPS (r = -0.20, p < .05) in the moderate-OSA group; serum melatonin was significantly negatively correlated with ZO-1 (r = -0.46, p < .01), LPS (r = -0.35, p < .01) and CPR (r = -0.30, p < .05) in the severe-OSA group. Mediation analyses showed melatonin explain 36.12% and 35.38% of the effect of apnoea-hypopnea index (AHI) on ZO-1 and LPS in moderate to severe OSA patients.
UNASSIGNED: Our study revealed that melatonin may be involved in mediating intestinal barrier dysfunction and systemic inflammation in moderate-to-severe OSA patients.