1
|
Conley S, Jeon S, Wang Z, Tocchi C, Linsky S, O'Connell M, Redeker NS. Daytime symptom trajectories among adults with stable heart failure and insomnia: evidence from a randomised controlled trial of cognitive behavioural therapy for insomnia. J Sleep Res 2024; 33:e14058. [PMID: 37933085 DOI: 10.1111/jsr.14058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 09/15/2023] [Accepted: 09/18/2023] [Indexed: 11/08/2023]
Abstract
People with heart failure (HF) experience a high symptom burden and prevalent insomnia. However, little is known about daytime symptom trajectories after cognitive behavioural therapy for insomnia (CBT-I). In this study we describe: (1) daytime symptom trajectories among adults with insomnia and stable HF over 1 year, (2) how symptom trajectories differ between CBT-I versus HF self-management interventions, and (3) associations between demographic, clinical, and sleep characteristics, perceived stress, health-related quality of life (HRQoL), functional performance and daytime symptoms trajectories. We retrospectively analysed data from a randomised controlled trial of CBT-I versus HF self-management (NCT0266038). We measured sleep, perceived stress, HRQoL, and functional performance at baseline and symptoms at baseline, 3, 6, and 12 months. We conducted group-based trajectory modelling, analysis of variance, chi-square, and proportional odds models. Among 175 participants (mean [standard deviation] age 63.0 [12.9] years, 57.1% male, 76% White), we found four daytime symptom trajectories: (A) low improving symptoms (38.3%); (B) low psychological symptoms and high improving physical symptoms (22.8%); (C) high improving symptoms (24.0%); and (D) high not improving symptoms (14.9%). The CBT-I versus the HF self-management group had higher odds of belonging to Group A compared to other trajectories after controlling for baseline fatigue (odds ratio = 3.27, 95% confidence interval 1.39-7.68). The difference between the CBT-I and the HF self-management group was not statistically significant after controlling for baseline characteristics. Group D had the highest body mass index, perceived stress, and insomnia severity and the lowest cognitive ability, HRQoL, and functional performance. Research is needed to further evaluate factors contributing to symptom trajectories.
Collapse
Affiliation(s)
| | | | - Zequan Wang
- University of Connecticut, Storrs, Connecticut, USA
| | | | | | | | | |
Collapse
|
2
|
Amiri D, Bracko O, Nahouraii R. Revealing inconsistencies between Epworth scores and apnea-hypopnea index when evaluating obstructive sleep apnea severity: a clinical retrospective chart review. Front Neurol 2024; 15:1387924. [PMID: 38915794 PMCID: PMC11194370 DOI: 10.3389/fneur.2024.1387924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 05/30/2024] [Indexed: 06/26/2024] Open
Abstract
Introduction A common practice in clinical settings is the use of the Epworth Sleepiness Scale (ESS) and apnea-hypopnea index (AHI) to demonstrate the severity of obstructive sleep apnea (OSA). However, several instances were noted where there were discrepancies in the reported severity between Epworth scores and AHI in our patient sample, prompting an investigation into whether OSA severity as demonstrated by AHI or predicted by ESS quantification of sleepiness is primarily responsible for inconsistencies. Methods Discrepancies were examined between Epworth scores and AHI by categorizing patients into two categories of inconsistency: individuals with either ESS < 10 and AHI ≥ 15 events/h or ESS ≥ 10 and AHI < 15 events/h. The potential influence of sex on these categories was addressed by assessing whether a significant difference was present between mean Epworth scores and AHI values for men and women in the sample. We investigated BMI both by itself as its own respective variable and with respect to the sex of the individuals, along with a consideration into the role of anxiety. Furthermore, we tested anxiety with respect to sex. Results In the first category of inconsistency the average ESS of 5.27 ± 0.33 suggests a normal level of daytime sleepiness. However, this contrasts with the average AHI of 32.26 ± 1.82 events/h which is indicative of severe OSA. In the second category the average ESS of 14.29 ± 0.47 suggests severe daytime sleepiness, contradicting the average AHI of 9.16 ± 0.44 events/h which only indicates mild OSA. Sex, BMI (both as a variable by itself and with respect to sex), and anxiety (both as a variable by itself and with respect to sex) contributed to observed inconsistencies. Conclusion The findings of our study substantiate our hypothesis that Epworth scores should be de-emphasized in the assessment of OSA and a greater importance should be placed on measures like AHI. While Epworth scores offer insights into patients' daytime sleepiness levels and the perceived severity of their OSA, the inconsistencies highlighted in our results when compared to AHI-based OSA severity underscore their potential inaccuracy. Caution is advised when utilizing Epworth scores for evaluating OSA severity in clinical settings.
Collapse
Affiliation(s)
- Dylan Amiri
- Department of Biology, University of Miami, Coral Gables, FL, United States
| | - Oliver Bracko
- Department of Biology, University of Miami, Coral Gables, FL, United States
- Department of Neurology, University of Miami-Miller School of Medicine, Miami, FL, United States
| | - Robert Nahouraii
- Mecklenburg Neurology Group, Charlotte, NC, United States
- Mecklenburg Epilepsy and Sleep Center, Charlotte, NC, United States
| |
Collapse
|
3
|
Chandrasekaran P, Weiskirchen R. The signaling pathways in obesity-related complications. J Cell Commun Signal 2024; 18:e12039. [PMID: 38946722 PMCID: PMC11208128 DOI: 10.1002/ccs3.12039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/28/2024] [Accepted: 05/28/2024] [Indexed: 07/02/2024] Open
Abstract
Obesity, a rapidly expanding epidemic worldwide, is known to exacerbate many medical conditions, making it a significant factor in multiple diseases and their associated complications. This threatening epidemic is linked to various harmful conditions such as type 2 diabetes mellitus, hypertension, metabolic dysfunction-associated steatotic liver disease, polycystic ovary syndrome, cardiovascular diseases (CVDs), dyslipidemia, and cancer. The rise in urbanization and sedentary lifestyles creates an environment that fosters obesity, leading to both psychosocial and medical complications. To identify individuals at risk and ensure timely treatment, it is crucial to have a better understanding of the pathophysiology of obesity and its comorbidities. This comprehensive review highlights the relationship between obesity and obesity-associated complications, including type 2 diabetes, hypertension, (CVDs), dyslipidemia, polycystic ovary syndrome, metabolic dysfunction-associated steatotic liver disease, gastrointestinal complications, and obstructive sleep apnea. It also explores the potential mechanisms underlying these associations. A thorough analysis of the interplay between obesity and its associated complications is vital in developing effective therapeutic strategies to combat the exponential increase in global obesity rates and mitigate the deadly consequences of this polygenic condition.
Collapse
Affiliation(s)
| | - Ralf Weiskirchen
- Institute of Molecular PathobiochemistryExperimental Gene Therapy and Clinical Chemistry (IFMPEGKC)RWTH University Hospital AachenAachenGermany
| |
Collapse
|
4
|
Zhang Q, Yue Y, Wang X, Cui H, Liu Y, Gao M, Liu T, Xiao L. Tandem Mass Tag-Labeled Quantitative Proteome Analyses Identify C1R and A2M as Novel Serum Biomarkers in Pregnant Women with Obstructive Sleep Apnea. J Proteome Res 2024; 23:1232-1248. [PMID: 38407963 DOI: 10.1021/acs.jproteome.3c00664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
The aim of this study was to identify serum diagnostic biomarkers associated with the severity of obstructive sleep apnea (OSA) during pregnancy. Differentially expressed proteins (DEPs) were identified in the control (C), mild (O), and moderate (MO) OSA groups (n = 3 in each group). Bioinformatics analysis was conducted to identify the underlying functions, pathways, and networks of the proteins. Receiver operating characteristic curves were used to assess the diagnostic value of the identified DEPs. The enzyme-linked immunoassay was performed to detect serum levels of the complement C1r subcomponent (C1R) and alpha-2-macroglobulin (A2M) in 79 pregnant women with OSA (mild OSA [n = 32]; moderate OSA [n = 29], and severe OSA [n = 18]) and 65 healthy pregnant women without OSA. Pearson's correlation analysis was conducted to analyze the correlation between C1R and A2M levels and OSA clinicopathological factors. In total, 141 DEPs, 29 DEPs, and 103 DEPs were identified in the three groups (i.e., the mild OSA vs control group, the moderate OSA vs mild apnea group, and the moderate OSA vs control group, respectively). C1R and A2M were identified as continuously up-regulated proteins, and the levels of C1R and A2M were associated with OSA severity. C1R and A2M were found to be correlated with body mass index, systolic blood pressure, apnea-hypopnea index, oxygen desaturation index, time with saturation below 90%, and lowest SaO2. Adverse maternal and neonatal outcomes were observed in pregnant women with OSA. C1R and A2M have been identified as diagnostic biomarkers and are associated with the severity of OSA during pregnancy.
Collapse
Affiliation(s)
- Qiang Zhang
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Yuanyi Yue
- Department of Gastroenterology Medicine, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Xueqing Wang
- Department of Gastroenterology Medicine, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Hong Cui
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Yishu Liu
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang 110004, China
- Sleep Medicine Center, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Man Gao
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Tong Liu
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Li Xiao
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang 110004, China
- Sleep Medicine Center, Shengjing Hospital of China Medical University, Shenyang 110004, China
| |
Collapse
|
5
|
Listyoko AS, Okazaki R, Harada T, Inui G, Yamasaki A. Impact of obesity on airway remodeling in asthma: pathophysiological insights and clinical implications. FRONTIERS IN ALLERGY 2024; 5:1365801. [PMID: 38562155 PMCID: PMC10982419 DOI: 10.3389/falgy.2024.1365801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 03/07/2024] [Indexed: 04/04/2024] Open
Abstract
The prevalence of obesity among asthma patients has surged in recent years, posing a significant risk factor for uncontrolled asthma. Beyond its impact on asthma severity and patients' quality of life, obesity is associated with reduced lung function, increased asthma exacerbations, hospitalizations, heightened airway hyperresponsiveness, and elevated asthma-related mortality. Obesity may lead to metabolic dysfunction and immune dysregulation, fostering chronic inflammation characterized by increased pro-inflammatory mediators and adipocytokines, elevated reactive oxygen species, and reduced antioxidant activity. This chronic inflammation holds the potential to induce airway remodeling in individuals with asthma and obesity. Airway remodeling encompasses structural and pathological changes, involving alterations in the airway's epithelial and subepithelial layers, hyperplasia and hypertrophy of airway smooth muscle, and changes in airway vascularity. In individuals with asthma and obesity, airway remodeling may underlie heightened airway hyperresponsiveness and increased asthma severity, ultimately contributing to the development of persistent airflow limitation, declining lung function, and a potential increase in asthma-related mortality. Despite efforts to address the impact of obesity on asthma outcomes, the intricate mechanisms linking obesity to asthma pathophysiology, particularly concerning airway remodeling, remain incompletely understood. This comprehensive review discusses current research investigating the influence of obesity on airway remodeling, to enhance our understanding of obesity's role in the context of asthma airway remodeling.
Collapse
Affiliation(s)
- Aditya Sri Listyoko
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
- Pulmonology and Respiratory Medicine Department, Faculty of Medicine, Brawijaya University-Dr. Saiful Anwar General Hospital, Malang, Indonesia
| | - Ryota Okazaki
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Tomoya Harada
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Genki Inui
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Akira Yamasaki
- Division of Respiratory Medicine and Rheumatology, Department of Multidisciplinary Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
| |
Collapse
|
6
|
Drakatos P, O'Regan D, Liao Y, Panayiotou C, Higgins S, Kabiljo R, Benson J, Pool N, Tahmasian M, Romigi A, Nesbitt A, Stokes PRA, Kumari V, Young AH, Rosenzweig I. Profile of sleep disturbances in patients with recurrent depressive disorder or bipolar affective disorder in a tertiary sleep disorders service. Sci Rep 2023; 13:8785. [PMID: 37258713 DOI: 10.1038/s41598-023-36083-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 05/29/2023] [Indexed: 06/02/2023] Open
Abstract
Bidirectional relationship between sleep disturbances and affective disorders is increasingly recognised, but its underlying mechanisms are far from clear, and there is a scarcity of studies that report on sleep disturbances in recurrent depressive disorder (RDD) and bipolar affective disorder (BPAD). To address this, we conducted a retrospective study of polysomnographic and clinical records of patients presenting to a tertiary sleep disorders clinic with affective disorders. Sixty-three BPAD patients (32 female; mean age ± S.D.: 41.8 ± 12.4 years) and 126 age- and gender-matched RDD patients (62 female; 41.5 ± 12.8) were studied. Whilst no significant differences were observed in sleep macrostructure parameters between BPAD and RDD patients, major differences were observed in comorbid sleep and physical disorders, both of which were higher in BPAD patients. Two most prevalent sleep disorders, namely obstructive sleep apnoea (OSA) (BPAD 50.8.0% vs RDD 29.3%, P = 0.006) and insomnia (BPAD 34.9% vs RDD 15.0%, P = 0.005) were found to be strongly linked with BPAD. In summary, in our tertiary sleep clinic cohort, no overt differences in the sleep macrostructure between BPAD and RDD patients were demonstrated. However, OSA and insomnia, two most prevalent sleep disorders, were found significantly more prevalent in patients with BPAD, by comparison to RDD patients. Also, BPAD patients presented with significantly more severe OSA, and with higher overall physical co-morbidity. Thus, our findings suggest an unmet/hidden need for earlier diagnosis of those with BPAD.
Collapse
Affiliation(s)
- Panagis Drakatos
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Faculty of Life Sciences and Medicine, King's College London, London, UK
- Department of Neuroimaging, Sleep and Brain Plasticity Centre, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, De Crespigny Park, Box 089, London, SE5 8AF, UK
| | - David O'Regan
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Faculty of Life Sciences and Medicine, King's College London, London, UK
- Department of Neuroimaging, Sleep and Brain Plasticity Centre, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, De Crespigny Park, Box 089, London, SE5 8AF, UK
| | - Yingqi Liao
- Department of Neuroimaging, Sleep and Brain Plasticity Centre, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, De Crespigny Park, Box 089, London, SE5 8AF, UK
| | - Constantinos Panayiotou
- Department of Neuroimaging, Sleep and Brain Plasticity Centre, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, De Crespigny Park, Box 089, London, SE5 8AF, UK
| | - Sean Higgins
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Department of Neuroimaging, Sleep and Brain Plasticity Centre, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, De Crespigny Park, Box 089, London, SE5 8AF, UK
| | - Renata Kabiljo
- Department of Neuroimaging, Sleep and Brain Plasticity Centre, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, De Crespigny Park, Box 089, London, SE5 8AF, UK
- Department of Biostatistics and Health Informatics, Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, Denmark Hill, London, SE5 8AF, UK
| | - Joshua Benson
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Norman Pool
- Department of Neuropsychiatry, St George's Hospital, South West London and St George's Mental Health NHS Trust, London, UK
| | - Masoud Tahmasian
- Institute of Neuroscience and Medicine Research, Brain and Behaviour (INM-7), Jülich Research Center, Jülich, Germany & Institute for Systems Neuroscience, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Andrea Romigi
- IRCCS Neuromed Istituto Neurologico Mediterraneo Pozzilli (IS), Pozzilli, Italy
| | - Alexander Nesbitt
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Department of Neuroimaging, Sleep and Brain Plasticity Centre, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, De Crespigny Park, Box 089, London, SE5 8AF, UK
- Department of Neurology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Paul R A Stokes
- Department of Psychological Medicine, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Veena Kumari
- Division of Psychology, Department of Life Sciences, & Centre for Cognitive Neuroscience, College of Health, Medicine and Life Sciences, Brunel University London, London, UK
| | - Allan H Young
- Department of Psychological Medicine, King's College London & South London and Maudsley NHS Foundation Trust, Institute of Psychiatry, Psychology and Neuroscience, Bethlem Royal Hospital, Beckenham, UK
| | - Ivana Rosenzweig
- Sleep Disorders Centre, Guy's and St Thomas' NHS Foundation Trust, London, UK.
- Department of Neuroimaging, Sleep and Brain Plasticity Centre, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King's College London, De Crespigny Park, Box 089, London, SE5 8AF, UK.
| |
Collapse
|
7
|
Gupta A, Kaur J, Shukla G, Bhullar KK, Lamo P, Kc B, Agarwal A, Srivastava AK, Sharma G. Effect of yoga-based lifestyle and dietary modification in overweight individuals with sleep apnea: A randomized controlled trial (ELISA). Sleep Med 2023; 107:149-156. [PMID: 37178546 DOI: 10.1016/j.sleep.2023.04.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 04/15/2023] [Accepted: 04/17/2023] [Indexed: 05/15/2023]
Abstract
BACKGROUND Obesity is recognised as an important risk factor for obstructive sleep apnea (OSA), with obese individuals at a four times higher risk of being diagnosed with the syndrome. Treating obesity with lifestyle modification is associated with a reduction in the severity of obstructive sleep apnea. Yoga comprises lifestyle modification that includes asana (postures), pranayama (breathing techniques), dhyana (meditation) and guideline principles for healthy living (Yama and Niyama). There is a scarcity of data to evaluate the effect of yoga on OSA. This study was conducted to evaluate the efficacy of Yoga based lifestyle modification on OSA. METHODS Consenting obese patients (BMI >23) diagnosed with obstructive sleep apnea (OSA) (AHI>5) on Polysomnography (PSG) were enrolled. Eligible patients were randomized into two groups. The control group received counselling for dietary modification (staple Indian) with regular exercise and the active intervention group received Yoga intervention as treatment (OSA module) in addition to similar dietary modification and regular exercise counselling. Polysomnography (PSG) was conducted at baseline and one year follow-up. All patients were evaluated at baseline, six months, and one year for compliance and anthropometric parameters. Additional assessment with Hamilton scales for depression and anxiety, SF-36, and the Pittsburgh sleep quality index was also conducted. RESULTS A total of 37 eligible patients (19 in the control group and 18 in the yoga group) were recruited for the study. The age [45.73 ± 10.71 vs. 46.22 ± 9.39 years, p = 0.88] and gender [15(78.95%) vs. 12(66.67%), p = 0.48 (males)] distribution was similar in both groups. After adjusting for age and gender, the percentage reduction in weight between the two groups did not reach statistical significance at one year. There was no significant difference in mean AHI between the two groups at one year. However, the number of patients with more than 40% AHI reduction [2/19 (10.52%) vs 8/18 (44.44%), p = 0.02] was significantly higher in the yoga group. Additionally, within the groups, the mean AHI at one year was significantly reduced in the yoga group [51.2 ± 28.0 to 36.8 ± 21.0/hour, p = 0.003], while no significant change was found in the control group [47.2 ± 23 to 38.8 ± 19.9/hour, p = 0.08]. CONCLUSIONS Lifestyle alteration using Yoga intervention and modification of staple Indian diet may be effective in reducing OSA severity among obese patients. CTRI NUMBER CTRI/2017/05/008462.
Collapse
Affiliation(s)
- Anupama Gupta
- Centre for Integrative Medicine and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Jasmin Kaur
- Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India; Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Garima Shukla
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India; Division of Neurology, Department of Medicine, Queen's University, Kingston, ON, Canada
| | - Khushpreet Kaur Bhullar
- Centre for Integrative Medicine and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Pasang Lamo
- Centre for Integrative Medicine and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Biju Kc
- Centre for Integrative Medicine and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Aman Agarwal
- Centre for Integrative Medicine and Research, All India Institute of Medical Sciences, New Delhi, India
| | | | - Gautam Sharma
- Centre for Integrative Medicine and Research, All India Institute of Medical Sciences, New Delhi, India; Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India.
| |
Collapse
|
8
|
Wang J, Campos AI, García-Marín LM, Rentería ME, Xu L. Causal associations of sleep apnea and snoring with type 2 diabetes and glycemic traits and the role of BMI. Obesity (Silver Spring) 2023; 31:652-664. [PMID: 36746760 DOI: 10.1002/oby.23669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 11/20/2022] [Accepted: 11/28/2022] [Indexed: 02/08/2023]
Abstract
OBJECTIVE Sleep apnea and snoring have been associated with type 2 diabetes, with BMI playing a role in the pathway, but the directions of causality are unclear. This study examined the causal associations of sleep apnea and snoring with type 2 diabetes while assessing the role of BMI using multiple genetic methods. METHODS Five genetic methods were used: two-sample; bidirectional univariable Mendelian randomization (MR) inverse variance-weighted (MR-IVW); multivariable MR-IVW; network MR; and latent causal variable method. RESULTS Compared with univariable MR-IVW, the odds ratio (95% CI) of type 2 diabetes for genetically predicted sleep apnea and snoring using the largest genome-wide association study decreased dramatically, from 1.61 (95% CI: 1.16-2.23) to 1.08 (95% CI: 0.59-1.97) and from 1.98 (95% CI: 1.25-3.13) to 1.09 (95% CI: 0.64-1.86) after adjustment for BMI. Network MR showed that BMI accounts for 67% and 62% of the total effect of sleep apnea and snoring on type 2 diabetes, respectively. The latent causal variable suggested that sleep apnea and snoring have no direct causal effect on type 2 diabetes. CONCLUSIONS These results first suggest that the associations of sleep apnea and snoring with type 2 diabetes were mainly driven by BMI. The possible indirect effects of sleep apnea and snoring on type 2 diabetes through BMI cannot be ruled out.
Collapse
Affiliation(s)
- Jiao Wang
- School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Adrian I Campos
- Department of Genetics & Computational Biology, Queensland Institute of Medical Research Berghofer Medical Research Institute, Herston, Queensland, Australia
| | - Luis M García-Marín
- Department of Genetics & Computational Biology, Queensland Institute of Medical Research Berghofer Medical Research Institute, Herston, Queensland, Australia
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Miguel E Rentería
- Department of Genetics & Computational Biology, Queensland Institute of Medical Research Berghofer Medical Research Institute, Herston, Queensland, Australia
| | - Lin Xu
- School of Public Health, Sun Yat-Sen University, Guangzhou, China
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| |
Collapse
|
9
|
Schumacher LM, Farris SG, Thomas JG, Lipton RB, Pavlovic J, Vgontzas A, Bond DS. Interrelationships of Sleep Quality, Obesity Severity, and Clinical Headache Features among Women with Comorbid Migraine and Obesity. J Clin Med 2023; 12:1742. [PMID: 36902529 PMCID: PMC10003353 DOI: 10.3390/jcm12051742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/01/2023] [Accepted: 02/09/2023] [Indexed: 02/24/2023] Open
Abstract
Obesity and migraine are often comorbid. Poor sleep quality is also common among individuals with migraine and may be influenced by comorbidities such as obesity. However, understanding of migraine's relationship with sleep and the potential exacerbating effect of obesity remains limited. This study evaluated the associations of migraine characteristics and clinical features with sleep quality among women with comorbid migraine and overweight/obesity and assessed the interplay between obesity severity and migraine characteristics/clinical features in relation to sleep quality. Women seeking treatment for migraine and obesity (n = 127; NCT01197196) completed a validated questionnaire assessing sleep quality (Pittsburgh Sleep Quality Index-PSQI). Migraine headache characteristics and clinical features were assessed using smartphone-based daily diaries. Weight was measured in-clinic, and several potential confounders were assessed using rigorous methods. Nearly 70% of participants endorsed poor sleep quality. Greater monthly migraine days and the presence of phonophobia related to poorer sleep quality, and specifically poorer sleep efficiency, controlling for confounders. Obesity severity was neither independently associated nor interacted with migraine characteristics/features to predict sleep quality. Poor sleep quality is common among women with comorbid migraine and overweight/obesity, although obesity severity does not appear to uniquely relate to or exacerbate the association between migraine and sleep in this population. Results can guide research on mechanisms of the migraine-sleep link and inform clinical care.
Collapse
Affiliation(s)
- Leah M. Schumacher
- Department of Kinesiology, College of Public Health, Temple University, 1800 N. Broad St., Philadelphia, PA 19121, USA
| | - Samantha G. Farris
- Department of Psychology, Rutgers, The State University of New Jersey, 53 Avenue East, 211 Tillett Hall, Piscataway, NJ 08854, USA
| | - J. Graham Thomas
- Department of Psychiatry and Human Behavior, Alpert Medical School, Brown University, Providence, RI 02903, USA
- Weight Control and Diabetes Research Center, The Miriam Hospital, 196 Richmond Street, Providence, RI 02903, USA
| | - Richard B. Lipton
- Department of Neurology and the Montefiore Headache Center, Albert Einstein College of Medicine, 1250 Waters Pl #8, The Bronx, NY 10461, USA
- Department of Neurology and the Montefiore Headache Center, Montefiore Medical Center, 1250 Waters Pl #8, The Bronx, NY 10461, USA
| | - Jelena Pavlovic
- Department of Neurology and the Montefiore Headache Center, Albert Einstein College of Medicine, 1250 Waters Pl #8, The Bronx, NY 10461, USA
- Department of Neurology and the Montefiore Headache Center, Montefiore Medical Center, 1250 Waters Pl #8, The Bronx, NY 10461, USA
| | - Angeliki Vgontzas
- Department of Neurology, Brigham and Women’s Hospital, Harvard Medical School, 60 Fenwood Rd 1st Floor, Boston, MA 02115, USA
| | - Dale S. Bond
- Departments of Surgery and Research, Hartford Hospital, 80 Seymour St., Hartford, CT 06102, USA
| |
Collapse
|
10
|
Cowan S, Lim S, Alycia C, Pirotta S, Thomson R, Gibson-Helm M, Blackmore R, Naderpoor N, Bennett C, Ee C, Rao V, Mousa A, Alesi S, Moran L. Lifestyle management in polycystic ovary syndrome - beyond diet and physical activity. BMC Endocr Disord 2023; 23:14. [PMID: 36647089 PMCID: PMC9841505 DOI: 10.1186/s12902-022-01208-y] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 11/09/2022] [Indexed: 01/18/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is a common condition affecting reproductive-aged women with reproductive, metabolic and psychological consequences. Weight and lifestyle (diet, physical activity and behavioural) management are first-line therapy in international evidence-based guidelines for PCOS. While these recommend following population-level diet and physical activity guidelines, there is ongoing interest and research in the potential benefit of including psychological and sleep interventions, as well as a range of traditional, complimentary and integrative medicine (TCIM) approaches, for optimal management of PCOS. There is limited evidence to recommend a specific diet composition for PCOS with approaches including modifying protein, carbohydrate or fat quality or quantity generally having similar effects on the presentations of PCOS. With regards to physical activity, promising evidence supports the provision of vigorous aerobic exercise, which has been shown to improve body composition, cardiorespiratory fitness and insulin resistance. Psychological and sleep interventions are also important considerations, with women displaying poor emotional wellbeing and higher rates of clinical and subclinical sleep disturbance, potentially limiting their ability to make positive lifestyle change. While optimising sleep and emotional wellbeing may aid symptom management in PCOS, research exploring the efficacy of clinical interventions is lacking. Uptake of TCIM approaches, in particular supplement and herbal medicine use, by women with PCOS is growing. However, there is currently insufficient evidence to support integration into routine clinical practice. Research investigating inositol supplementation have produced the most promising findings, showing improved metabolic profiles and reduced hyperandrogenism. Findings for other supplements, herbal medicines, acupuncture and yoga is so far inconsistent, and to reduce heterogeneity more research in specific PCOS populations, (e.g. defined age and BMI ranges) and consistent approaches to intervention delivery, duration and comparators are needed. While there are a range of lifestyle components in addition to population-recommendations for diet and physical activity of potential benefit in PCOS, robust clinical trials are warranted to expand the relatively limited evidence-base regarding holistic lifestyle management. With consumer interest in holistic healthcare rising, healthcare providers will be required to broaden their knowledge pertaining to how these therapies can be safely and appropriately utilised as adjuncts to conventional medical management.
Collapse
Affiliation(s)
- Stephanie Cowan
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia.
| | - Siew Lim
- Eastern Health Clinical School, Monash University, Box Hill, Victoria, Australia
| | - Chelsea Alycia
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
| | - Stephanie Pirotta
- Health and Social Care Unit, Monash University, Clayton, Victoria, Australia
| | - Rebecca Thomson
- Robinson Research Institute, The University of Adelaide, North Adelaide, South Australia, Australia
| | - Melanie Gibson-Helm
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
- Te Tātai Hauora o Hine - National Centre for Women's Health Research Aotearoa, Te Herenga Waka - Victoria University of Wellington, Wellington, New Zealand
| | - Rebecca Blackmore
- Centre for Mental Health, Swinburne University of Technology, Hawthorn, Victoria, Australia
| | - Negar Naderpoor
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
| | - Christie Bennett
- Department of Nutrition, Dietetics and Food, Monash University, Notting Hill, Victoria, Australia
| | - Carolyn Ee
- NICM Health Research Institute, Western Sydney University, Westmead, New South Wales, Australia
| | - Vibhuti Rao
- NICM Health Research Institute, Western Sydney University, Westmead, New South Wales, Australia
| | - Aya Mousa
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
| | - Simon Alesi
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
| | - Lisa Moran
- Monash Centre for Health Research and Implementation, Monash University, Clayton, Victoria, Australia
| |
Collapse
|
11
|
Akarsu FG, Algin DI, Erdinç OO. Evaluation of comorbid diseases in obstructive sleep apnea syndrome. REVISTA DA ASSOCIACAO MEDICA BRASILEIRA (1992) 2023; 69:421-425. [PMID: 36820771 PMCID: PMC10004285 DOI: 10.1590/1806-9282.20221082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 12/19/2022] [Indexed: 02/22/2023]
Abstract
OBJECTIVE It is known that obstructive sleep apnea syndrome affects many systems due to hypoxemia and hypercarbia. We aimed to demonstrate with the utilization of well-standardized questionnaire tools and electrophysiological tests that cognitive impairment, depression, autonomic dysfunction, and metabolic syndrome may occur in association with obstructive sleep apnea syndrome. METHODS The electrophysiological examination protocol of autonomic nervous system functions was performed with sympathetic skin response and R-R Interval. Patients were administered Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index, Montreal Cognitive Assessment, and Hamilton Depression Rating Scale by physicians in face-to-face interviews. RESULTS This study included 148 participants, consisting of 73 patients and 75 controls. There was a statistically significant difference between the patient group and control group with regard to sympathetic skin response, R-R Interval, post-hyperventilation R-R Interval, and R-R Interval variation (p<0.001). A statistically significant difference was observed between the patient group and control group in terms of median Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index, and Montreal Cognitive Assessment scores. It was observed that the control group achieved significantly better scores than the patient group in delayed recall (p<0.001) and language (p<0.05) categories. CONCLUSION Obstructive sleep apnea syndrome patients should be screened for diseases, especially in the cardiovascular system, that cause serious morbidity and impair functionality such as dementia and depression. We believe that many comorbid diseases encountered in obstructive sleep apnea syndrome patients can be prevented with early diagnosis and continuous positive airway pressure treatment.
Collapse
Affiliation(s)
- Fatma Ger Akarsu
- Eskisehir Osmangazi University, Department of Neurology - Eskişehir, Turkey
| | - Demet Ilhan Algin
- Eskisehir Osmangazi University, Department of Neurology - Eskişehir, Turkey
| | - Oğuz Osman Erdinç
- Eskisehir Osmangazi University, Department of Neurology - Eskişehir, Turkey
| |
Collapse
|
12
|
Comparison of 24-h movement behavior, health-related quality of life, and waist to height ratio between adolescents with healthy body mass index (BMI) and adolescents with BMI in the cardiometabolic risk zone. SPORT SCIENCES FOR HEALTH 2022. [DOI: 10.1007/s11332-022-01023-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
|
13
|
Aronsen S, Conway R, Lally P, Roberts A, Croker H, Beeken RJ, Fisher A. Determinants of sleep quality in 5835 individuals living with and beyond breast, prostate, and colorectal cancer: a cross-sectional survey. J Cancer Surviv 2022; 16:1489-1501. [PMID: 34750779 DOI: 10.1007/s11764-021-01127-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 10/27/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE The present study aimed to quantify the level of sleep problems in 5835 breast, prostate, and colorectal cancer survivors, and explore a number of potential determinants of poor sleep quality in the present sample. BMI, diet, and physical activity were of particular interest as potential determinants. METHODS Participants who completed the 'Health and Lifestyle after Cancer' survey were adults who had been diagnosed with breast, prostate, or colorectal cancer (mean time since cancer diagnosis was 35.5 months, SD=13.56). Sleep quality was assessed using the Pittsburgh Sleep Quality Index. BMI was calculated from self-reported height and weight. Participants were categorised as meeting/not meeting the World Cancer Research Fund (WCRF) recommendations for fibre, fruit and vegetables, added sugar, red meat, processed meat, fat, alcohol, and physical activity. Analyses accounted for demographic and clinical factors. RESULTS Fifty-seven percent of those with sleep data were classified as poor sleepers (response rate 79%). Being female, having a higher number of cancer treatments, more comorbid conditions, and being more anxious/depressed increased the odds of being a poor sleeper. After adjustment for these factors, there were no associations between diet/alcohol/physical activity and sleep. However, BMI was associated with sleep. Individuals in the overweight and obese categories had 22% and 79% higher odds of being poor sleepers than individuals in the underweight/healthy weight category, respectively. CONCLUSIONS The findings suggest that there may be a need to develop sleep quality interventions for cancer survivors with obesity. Even after adjustment for multiple clinical and demographic factors, BMI (particularly obesity) was associated with poor sleep. Thus, researchers and health professionals should find ways to support individuals with overweight and obesity to improve their sleep quality. IMPLICATIONS FOR CANCER SURVIVORS The present findings highlight that poor sleep is a common issue in cancer survivors. Interventions seeking to improve outcomes for cancer survivors over the longer term should consider sleep quality.
Collapse
Affiliation(s)
- Silje Aronsen
- Research Department of Behavioural Science and Health, University College London, Gower Street, London, WC1E 6BT, UK.
| | - Rana Conway
- Research Department of Behavioural Science and Health, University College London, Gower Street, London, WC1E 6BT, UK
| | - Phillippa Lally
- Research Department of Behavioural Science and Health, University College London, Gower Street, London, WC1E 6BT, UK
| | - Anna Roberts
- Research Department of Behavioural Science and Health, University College London, Gower Street, London, WC1E 6BT, UK
| | - Helen Croker
- Research Department of Behavioural Science and Health, University College London, Gower Street, London, WC1E 6BT, UK
| | - Rebecca J Beeken
- Research Department of Behavioural Science and Health, University College London, Gower Street, London, WC1E 6BT, UK
| | - Abigail Fisher
- Research Department of Behavioural Science and Health, University College London, Gower Street, London, WC1E 6BT, UK
| |
Collapse
|
14
|
Salwen-Deremer JK, Sun M. Management of Sleep and Fatigue in Gastrointestinal Patients. Gastroenterol Clin North Am 2022; 51:829-847. [PMID: 36375999 DOI: 10.1016/j.gtc.2022.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Sleep is an essential physiologic process, and unfortunately, people with gastrointestinal (GI) conditions are more likely than people in the general population to experience poor sleep quality, sleep disorders, and fatigue. Herein, we present information on common sleep disorders, fatigue, and data on these problems in various GI populations. We also discuss several treatments for sleep concerns and emerging research on the use of these treatments in GI populations. Cases that illustrate the GI/sleep relationship are presented, in addition to guidance for your own practice and cultural considerations.
Collapse
Affiliation(s)
- Jessica K Salwen-Deremer
- Departments of Psychiatry and Medicine, Section of Gastroenterology & Hepatology, The Geisel School of Medicine at Dartmouth, Dartmouth-Hitchcock Medical Center, One Medical Center Drive, Lebanon, NH 03756, USA.
| | - Michael Sun
- Department of Psychological and Brain Sciences, Dartmouth College, 3 Maynard Street, Hanover, NH 03755, USA
| |
Collapse
|
15
|
Teo P, Henry BA, Moran LJ, Cowan S, Bennett C. The role of sleep in PCOS: what we know and what to consider in the future. Expert Rev Endocrinol Metab 2022; 17:305-318. [PMID: 35815469 DOI: 10.1080/17446651.2022.2082941] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 05/24/2022] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Sleep disturbance and clinical sleep conditions disrupt endocrine signals, energy expenditure and nutritional intake. Women with polycystic ovary syndrome (PCOS) are at higher risk of sleep disturbances and clinical conditions. It is possible that sleep may contribute to the exacerbation of PCOS. This review aims to explore the relationship between sleep and chronic disease, particularly in women with PCOS. AREAS COVERED This review narratively explores what sleep is, how to measure sleep and the possible mechanisms that support the link between sleep in adipose tissue deposition, insulin resistance and the presentation of PCOS. EXPERT OPINION Research shows that disturbed sleep and clinical sleep conditions disrupt energy expenditure. This may increase adipose tissue deposition and exacerbate insulin resistance which are known to worsen the presentation of PCOS. Further, sleep disturbance in women with PCOS may ameliorate any positive lifestyle changes made after diagnosis. Cognitive behavioural therapy interventions for sleep are a successful strategy for the management of sleep disturbances in the general population. However, such interventions are yet to be trialled in women with PCOS. Given the proposed implications, interventions to improve sleep could provide additional support for women with PCOS to successfully implement lifestyle strategies and should be further investigated.
Collapse
Affiliation(s)
- Peiseah Teo
- Department of Physiology, Monash University, Melbourne, VIC, Australia
| | - Belinda A Henry
- Department of Physiology, Monash University, Melbourne, VIC, Australia
- Metabolism, Diabetes and Obesity Program, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Lisa J Moran
- Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | | | - Christie Bennett
- Department of Nutrition, Dietetics and Food, School of Clinical Sciences, Monash University, Melbourne, VIC, Australia
| |
Collapse
|
16
|
Andayeshgar B, Janatolmakan M, Soroush A, Azizi SM, Khatony A. The prevalence of obstructive sleep apnea in patients with type 2 diabetes: a systematic review and meta-analysis. SLEEP SCIENCE AND PRACTICE 2022. [DOI: 10.1186/s41606-022-00074-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Obstructive Sleep Apnea (OSA) is one of the diseases related to diabetes. Considering the varying prevalence of OSA in patients with type 2 diabetes in different parts of the world, in order to aggregate the results and come to a general review about the topic mentioned, the current study performed a systematic review and meta-analysis of OSA in patients with type 2 diabetes.
Methods
In this study, the international databases (PubMed, Scopus, Web of science, and Cochran library) were searched without time limit using keywords diabetes, obstructive sleep apnea, and prevalence or epidemiology. Homogeneity was investigated among studies using Cochran Q test and I2 index. Given the heterogeneity of studies, random effect model was used to estimate the prevalence of OSA. Meta-regression was used to investigate the effect of quantitative variables on the prevalence of OSA. Comprehensive Meta-analysis (CMA) software was used for data analysis.
Results
Twenty studies were included in the meta-analysis. In these 19 studies, the total number of patients with type 2 diabetes was 10,754, with a mean age of 58.6 ± 4.1 years. Final estimation of OSA prevalence was calculated to be 56.0%. The results of meta-regression showed the prevalence of OSA increased with a rise in the mean age, the percentage of male sex, body mass index, and sample size.
Conclusion
Given the high prevalence of OSA in patients with type 2 diabetes, weight control can partly mitigate their problems and possibly reduce OSA prevalence.
Collapse
|
17
|
McCloy K, Duce B, Hukins C, Abeyratne UR. Association between early stage N2 sleep spindle burst characteristics and vigilance groups: an observational study on patients from a tertiary sleep centre. Physiol Meas 2022; 43. [PMID: 35688137 DOI: 10.1088/1361-6579/ac77d2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 06/10/2022] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Obstructive Sleep Apnoea (OSA) is associated with impaired vigilance. This paper examines the hypothesis that sleep spindle (Sp) characteristics during nocturnal sleep can be mapped to vigilance deficits measured by the Psychomotor Vigilance Task (PVT) in patients with OSA. APPROACH The PVT was performed prior to In-laboratory Polysomnography for 250 patients. PVT outcomes were clustered into three Vigilance Groups (VGs). Spindles were scored manually for a Training Cohort of 55 patients, (9491 Sps) across different blocks of NREM sleep (SBs) and validated in a Test Cohort (25 patients, 4867 Sps). We proposed a novel set of Sp features including a Spindle Burst Index (SBI), which quantifies the burst characteristics of spindles and constructed models mapping them to VGs. We also explored the performance of conventional Sp features (such as Sp number and density) in our modelling approach. MAIN RESULTS In the Training Cohort, we observed statistically significant differences in the SBI across VGs and SBs independent of OSA severity (1st Stage N2 SBI; p=<0.001 across VGs). In the Test Cohort, a Model based on the proposed SBI predicted VG membership with 88% accuracy. A model based on conventional Sp features mapped to VGs with 70.7% accuracy, and a model using mixed burst and conventional features reached an accuracy of 88%. SIGNIFICANCE Spindle features measured during diagnostic In-laboratory PSG can be mapped to PVT outcomes. The novel SBI proved useful for exploring the relationship between PVT outcomes and sleep. Further studies in larger populations are needed to verify these conclusions.
Collapse
Affiliation(s)
- Karen McCloy
- Information Technology and Electrical Engineering, The University of Queensland - Saint Lucia Campus, St. Lucia, Brisbane, Australia 4072, Saint Lucia, Queensland, 4072, AUSTRALIA
| | - Brett Duce
- Sleep Disorders Laboratory, Princess Alexandra Hospital, Sleep Disorders Laboratory, Woolloongabba, Queensland, 4102, AUSTRALIA
| | - Craig Hukins
- Sleep Disorders Laboratory, Princess Alexandra Hospital, Sleep Disorders Laboratory, Brisbane, Queensland, 4102, AUSTRALIA
| | - Udantha R Abeyratne
- Department of Information Technology and Electrical Engineering, University of Queensland, St Lucia, Brisbane 4072, Brisbane, Queensland, 4072, AUSTRALIA
| |
Collapse
|
18
|
Pharmacological Management of Obesity: A Century of Expert Opinions in Cecil Textbook of Medicine. Am J Ther 2022; 29:e410-e424. [PMID: 35687055 DOI: 10.1097/mjt.0000000000001524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Innovations in drug therapy for obesity have had a limited impact on the body mass index, prevalence of medical complications, quality of life, and work potential of a substantial majority of affected persons. STUDY QUESTION What are the milestones of the changes in the expert approach to the pharmacological management of obesity in the past century? STUDY DESIGN To determine the changes in the experts' approach to the management of obesity, as presented in a widely used textbook in the United States. DATA SOURCES The primary sources were chapters describing the management of obesity in the 26 editions of Cecil Textbook of Medicine published from 1927 through 2020. Secondary sources were publications retrieved from Medline that clarified technical issues related to the development, regulatory approval, and use of the drugs mentioned in the Cecil Textbook of Medicine. RESULTS Pharmacological interventions aimed at increasing caloric expenditures through thermogenesis were recommended from 1927 through 1943. Thyroid extracts were prescribed even in the absence of demonstrated hypothyroidism or decreased basal metabolic rate throughout this period. Dinitrophenol was mentioned in 1937, but was banned soon thereafter. Appetite suppression with amphetamine was considered useful from 1943 through 1988, after which the drug was replaced with other centrally acting molecules, such as fenfluramine in 1988, sibutramine in 2000, and rimonabant in 2008, which were in turn withdrawn because of major adverse effects. In the past decade, obesity has been treated with the appetite suppressants phentermine-topiramate, bupropion-naltrexone, lorcaserin, and liraglutide, and with orlistat, a drug promoting fat malabsorption. The change in weight produced by these drugs is generally modest and transient. CONCLUSIONS The pharmacological management of obesity has remained frustratingly inefficient. The reasons for the relative lack of success may reside in the ever-growing access to dense, palatable, and relatively inexpensive food, coupled with the decrease in energy expenditure created by a sedentary lifestyle.
Collapse
|
19
|
Georgoulis M, Yiannakouris N, Kechribari I, Lamprou K, Perraki E, Vagiakis E, Kontogianni MD. Dose-response relationship between weight loss and improvements in obstructive sleep apnea severity after a diet/lifestyle interventions: secondary analyses of the "MIMOSA" randomized clinical trial. J Clin Sleep Med 2022; 18:1251-1261. [PMID: 34915980 PMCID: PMC9059581 DOI: 10.5664/jcsm.9834] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES Lifestyle-induced weight loss is a complementary therapeutic approach for obstructive sleep apnea (OSA). We aimed at identifying the dose-response relationship between weight loss and OSA severity improvement. METHODS This is a secondary analysis of a 6-month clinical trial in 180 adult, overweight/obese moderate-to-severe OSA patients. Participants were randomized to a standard care, a Mediterranean diet, or a Mediterranean lifestyle arm. All patients were prescribed with continuous positive airway pressure (CPAP), while intervention arms additionally participated in a weight-loss dietary/lifestyle intervention. Based on percent change in weight at 6 months, participants were categorized into a weight-stable/gain (WS/GG) group or 3 weight-loss groups (WLG): < 5%WLG, 5%-10%WLG, and ≥ 10%WLG. Polysomnographic data and OSA symptoms were evaluated preintervention and postintervention. RESULTS Respiratory events and oximetry indices improved only in patients who lost weight and improvements were proportional to the degree of weight loss. Median percent change in apnea-hypopnea index (AHI) was -11.7%, - 37.9%, and - 49.3% in the < 5%WLG, 5%-10%WLG, and ≥ 10%WLG, respectively (P < .001). Compared to the WS/GG, the age-, sex-, baseline-, and CPAP use-adjusted relative risk (95% confidence interval) of severe OSA (AHI ≥ 30 events/h) was 0.45 (0.23-0.87) in the 5%-10%WLG and 0.32 (0.17-0.64) in the ≥ 10%WLG; the risk was also lower in the ≥ 10%WLG vs the < 5%WLG (0.42 [0.22-0.82]). Insomnia and daytime sleepiness also improved more in participants exhibiting ≥ 5% weight loss. CONCLUSIONS Even a < 5% weight loss can reduce respiratory events, but a ≥ 5% and ideally ≥ 10% weight loss is necessary for reducing the prevalence of severe OSA. CLINICAL TRIAL REGISTRATION Registry: ClinicalTrials.gov; Name: Mediterranean Diet/Lifestyle Intervention in Obstructive Sleep Apnea; URL: https://clinicaltrials.gov/ct2/show/NCT02515357; Identifier: NCT02515357. CITATION Georgoulis M, Yiannakouris N, Kechribari I, et al. Dose-response relationship between weight loss and improvements in obstructive sleep apnea severity after a diet/lifestyle intervention: secondary analyses of the "MIMOSA" randomized clinical trial. J Clin Sleep Med. 2022;18(5):1251-1261.
Collapse
Affiliation(s)
- Michael Georgoulis
- Department of Nutrition & Dietetics, School of Health Sciences & Education, Harokopio University, Athens, Greece
| | - Nikos Yiannakouris
- Department of Nutrition & Dietetics, School of Health Sciences & Education, Harokopio University, Athens, Greece
| | - Ioanna Kechribari
- Department of Nutrition & Dietetics, School of Health Sciences & Education, Harokopio University, Athens, Greece
| | - Kallirroi Lamprou
- Center of Sleep Disorders, 1st Department of Critical Care and Pulmonary Services, Medical School of Athens University, Evangelismos Hospital, Athens, Greece
| | - Eleni Perraki
- Center of Sleep Disorders, 1st Department of Critical Care and Pulmonary Services, Medical School of Athens University, Evangelismos Hospital, Athens, Greece
| | - Emmanouil Vagiakis
- Center of Sleep Disorders, 1st Department of Critical Care and Pulmonary Services, Medical School of Athens University, Evangelismos Hospital, Athens, Greece
| | - Meropi D. Kontogianni
- Department of Nutrition & Dietetics, School of Health Sciences & Education, Harokopio University, Athens, Greece
| |
Collapse
|
20
|
Lin YC, Chen CT, Chao PZ, Chen PY, Liu WT, Tsao ST, Lin SF, Bai CH. Prevention of Incident Hypertension in Patients With Obstructive Sleep Apnea Treated With Uvulopalatopharyngoplasty or Continuous Positive Airway Pressure: A Cohort Study. Front Surg 2022; 9:818591. [PMID: 35402497 PMCID: PMC8987371 DOI: 10.3389/fsurg.2022.818591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 03/03/2022] [Indexed: 12/03/2022] Open
Abstract
Purpose To determine whether treatment with uvulopalatopharyngoplasty (UPPP) or continuous positive airway pressure (CPAP) in patients with obstructive sleep apnea (OSA) prevents hypertension, compared to those not receiving any treatment. Methods A retrospective cohort study was conducted among 413 patients with OSA (age ≥ 35 years) at the Shuang Ho Hospital between 2009 and 2016. The patients were divided into three groups: UPPP, CPAP, and non-treatment groups. Data about the personal characteristics, history of comorbidities, and polysomnography (PSG) reports were collected at baseline. A Cox model with inverse probability of treatment weighting was used to adjust for confounders and baseline diversity. Results After multivariate adjustment and weighting for incident hypertension, patients in both the CPAP and UPPP groups showed a significant preventive effect on hypertension than in the non-treatment group. Moreover, patients in the CPAP group had lower event rates than those in the UPPP group. Conclusion UPPP can prevent the development of new-onset hypertension in patients with OSA. CPAP had a better preventive effect than UPPP. UPPP might be a good alternative for reducing the risk of the onset of hypertension when compliance to CPAP is poor.
Collapse
Affiliation(s)
- Yi-Chih Lin
- Department of Otolaryngology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Sleep Center, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
- Department of Otolaryngology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chun-Tien Chen
- Department of Otolaryngology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Pin-Zhir Chao
- Department of Otolaryngology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Sleep Center, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Department of Otolaryngology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Po-Yueh Chen
- Department of Otolaryngology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Otolaryngology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Wen-Te Liu
- Sleep Center, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Department of Chest, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Sheng-Teng Tsao
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Sheng-Feng Lin
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Emergency Medicine, Taipei Medical University Hospital, Taipei, Taiwan
| | - Chyi-Huey Bai
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Nutrition Research Center, Taipei Medical University Hospital, Taipei, Taiwan
- *Correspondence: Chyi-Huey Bai
| |
Collapse
|
21
|
Maisey G, Cattani M, Devine A, Lo J, Fu SC, Dunican IC. Digging for data: How sleep is losing out to roster design, sleep disorders, and lifestyle factors. APPLIED ERGONOMICS 2022; 99:103617. [PMID: 34700190 DOI: 10.1016/j.apergo.2021.103617] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 09/10/2021] [Accepted: 10/19/2021] [Indexed: 06/13/2023]
Abstract
Shift workers employed at a remote mining operation may experience sleep loss, impaired alertness, and consequently negative health and safety outcomes. This study determined the sleep behaviors and prevalence of risk for sleep disorders among shift workers; and quantified alertness for a roster cycle. Sleep duration was significantly less following; night shift by 77 ± 7 min and day shift by 30 ± 7 min. The wake after sleep onset was less by 23 ± 3 min for night shifts and 22 ± 3 min for day shifts (p < 0.05 for all). The prevalence of risk for sleep apnea was 31%, insomnia was 8%, and shiftwork disorder was 44%. Average alertness for all working hours was 75%. Shiftwork in remote mining operations is a significant factor that leads to sleep loss and reduced alertness, which is exacerbated by the high prevalence of risk for sleep disorders.
Collapse
Affiliation(s)
- Gemma Maisey
- School of Medical and Health Science, Edith Cowan University, Perth, W.A., Australia.
| | - Marcus Cattani
- School of Medical and Health Science, Edith Cowan University, Perth, W.A., Australia
| | - Amanda Devine
- School of Medical and Health Science, Edith Cowan University, Perth, W.A., Australia
| | - Johnny Lo
- School of Science, Edith Cowan University, Perth, W.A., Australia
| | - Shih Ching Fu
- School of Science, Edith Cowan University, Perth, W.A., Australia
| | - Ian C Dunican
- School of Medical and Health Science, Edith Cowan University, Perth, W.A., Australia
| |
Collapse
|
22
|
Hybridization of soft-computing algorithms with neural network for prediction obstructive sleep apnea using biomedical sensor measurements. Neural Comput Appl 2022. [DOI: 10.1007/s00521-022-06919-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
23
|
Sun JC, Lin CL, Wu FL, Chung CH, Sun CA, Chien WC. The association between obstructive sleep apnea and the risk of poor delivery events in women: A population-based nested case-control study. J Nurs Scholarsh 2021; 54:31-37. [PMID: 34738319 PMCID: PMC9298311 DOI: 10.1111/jnu.12708] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 07/23/2021] [Accepted: 07/24/2021] [Indexed: 12/27/2022]
Abstract
Purpose To investigate the risk of poor delivery events (PDEs; premature delivery, abortion, and stillbirth) in female subjects with obstructive sleep apnea (OSA). Methods The study identified 8346 female subjects with PDEs as cases between January 1, 2000 and December 31, 2015 from the Longitudinal Health Insurance Database 2005 in Taiwan. A total of 33,384 controls were also identified based on frequency matching for age and year of index date. Diagnoses of OSA and PDEs were determined according to the International Classification of Diseases, 9th Revision. The risk of PDEs in female subjects with OSA was estimated with conditional logistic regression analyses. Findings The mean age of the 41,730 female subjects was 35.53 years. The overall incidence rate of PDEs was 506.22 per 100,000 person‐years for subjects with OSA, which was significantly higher than that for the controls (501.95 per 100,000 person‐years). The risk of PDEs was higher in subjects with OSA than in controls (adjusted odds ratio [AOR] = 1.19; 95% confidence interval [CI] [95% CI]: 1.08–1.43), including for premature delivery (AOR = 1.20; 95% CI: 1.16–1.50), and abortion (AOR = 1.19; 95% CI: 1.09–1.47). OSA showed no relation to stillbirth (AOR = 1.04; 95% CI: 0.99–1.31). The findings indicate that the longer a subject has been experiencing OSA, the higher the probability of PDEs. Conclusions The risk of PDEs associated with OSA was found in this study. In particular, the longer a subject has OSA, the higher the likelihood of PDEs, exhibiting a dose–response effect. Clinical relevance To effectively promote maternal health in clinical practice, health providers need to recognize OSA as a risk factor associated with negative pregnancy outcomes. Furthermore, OSA symptoms should be assessed and managed in all pregnant women to enable more comprehensive maternal care.
Collapse
Affiliation(s)
- Jui-Chiung Sun
- Department of Nursing, Chang Gung University of Science and Technology, Gueishan, Taiwan
| | - Chia-Ling Lin
- Department of Nursing, Chang Gung University of Science and Technology, Gueishan, Taiwan
| | - Fei-Ling Wu
- Department of Nursing, Chang Gung University of Science and Technology, Gueishan, Taiwan
| | - Chi-Hsiang Chung
- School of Public Health, National Defense Medical Center, Taipei, Taiwan.,Taiwanese Injury Prevention and Safety Promotion Association (TIPSPA), Taipei, Taiwan
| | - Chien-An Sun
- Department of Public Health, College of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan.,Big Data Research Center, College of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan
| | - Wu-Chien Chien
- School of Public Health, National Defense Medical Center, Taipei, Taiwan.,Department of Medical Research, Tri-Service General Hospital, Taipei City, Taiwan.,Graduate Institute of Life Science, National Defense Medical Center, Taipei, Taiwan
| |
Collapse
|
24
|
Bourbour F, Kabir A, Pazouki A, Mokhber S, Kord-Varkaneh H, Găman MA, Mohseni F, Mokhtari Z, Hekmatdoost A. Trends in Serum Vitamin D Levels within 12 Months after One Anastomosis Gastric Bypass (OAGB). Obes Surg 2021; 31:3956-3965. [PMID: 33881740 DOI: 10.1007/s11695-021-05434-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/10/2021] [Accepted: 04/13/2021] [Indexed: 12/17/2022]
Abstract
PURPOSE To assess serum vitamin D trend from baseline to 12 months after one anastomosis gastric bypass (OAGB). MATERIALS AND METHODS In this observational cohort analysis of longitudinal data, we assessed the trend of serum vitamin D, and its associations with anthropometric, and biochemical measurements in 98 patients undergoing OAGB in a bariatric surgery center. All participants were on >800 IU/day vitamin D supplementation. RESULTS Vitamin D, lipid profile, creatinine, and albumin levels significantly improved at 12 months post-surgery. Vitamin D concentrations significantly increased from 26.52 ± 12.32 to 54.52 ± 27.90 ng/mL at 12 months. The correlations between vitamin D concentrations and weight, body mass index, lipid profile, ferritin, glycemic indices, and albumin were not significant. In addition, the correlations between vitamin D and parathormone, vitamin D receptor, calcium, phosphorus, body composition, and basal metabolic rate (BMR) did not reach the threshold of statistical significance at 12 months following bariatric surgery. Although there was a significant correlation between body weight and body composition (P < 0.001) and basal metabolic rate (BMR) (r = 0.762, P < 0.001) at 12 months, there were no significant correlations between weight change percent and body composition (P > 0.05), BMR (r = -0.101, P = 0.350), and vitamin D (r = 0.120, P = 0.271) at 12 months. CONCLUSION Our results showed that supplementation of vitamin D with dosage of >800 IU/day is sufficient for prevention of vitamin D deficiency within 12 months after OAGB surgery. Note: This data is mandatory.
Collapse
Affiliation(s)
- Fatemeh Bourbour
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Kabir
- Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Abdolreza Pazouki
- Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran.,Center of Excellence for Minimally Invasive Surgery Training, Iran University of Medical Sciences, Tehran, Iran.,Center of Excellence of European Branch of International Federation for Surgery of Obesity, Tehran, Iran
| | - Somayyeh Mokhber
- Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hamed Kord-Varkaneh
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mihnea-Alexandru Găman
- Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.,Department of Hematology, Center of Hematology and Bone Marrow Transplantation, Fundeni Clinical Institute, Bucharest, Romania
| | - Fatemeh Mohseni
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zeinab Mokhtari
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Azita Hekmatdoost
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| |
Collapse
|
25
|
Graf MD, Karp SM, Lutenbacher M, Wasser H, Bushaw A, Dietrich MS. Clinical strategies for addressing obesity in infants and toddlers. Nurse Pract 2021; 46:28-33. [PMID: 33475327 DOI: 10.1097/01.npr.0000731552.88748.57] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
ABSTRACT Babies' earliest food experiences have a lifelong impact on eating preferences and dietary habits, laying the foundation for obesity risk. NPs have the opportunity to provide education about healthy infant feeding practices before the growth trajectory becomes abnormal and focus intensive education on at-risk families.
Collapse
|
26
|
Maisey G, Cattani M, Devine A, Lo J, Dunican IC. The Sleep of Shift Workers in a Remote Mining Operation: Methodology for a Randomized Control Trial to Determine Evidence-Based Interventions. Front Neurosci 2021; 14:579668. [PMID: 33488343 PMCID: PMC7817759 DOI: 10.3389/fnins.2020.579668] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 12/03/2020] [Indexed: 11/21/2022] Open
Abstract
Shiftwork may adversely impact an individual’s sleep-wake patterns and result in sleep loss (<6 h. following night shift), due to the circadian misalignment and the design of rosters and shifts. Within a mining operation, this sleep loss may have significant consequences due to fatigue, including an increased risk of accidents and chronic health conditions. This study aims to (i) determine the efficacy of an intervention that comprises a sleep education program and biofeedback through a smartphone app on sleep quality, quantity, and alertness (ii) determine the prevalence of risk for a potential sleep disorder, and (iii) quantify and describe the sleep habits and behaviors of shift workers in a remote mining operation. This study consists of a randomized controlled trial whereby eighty-eight shift workers within a remote mining operation are randomized to a control group or one of three different treatment groups that are: (i) a sleep education program, (ii) biofeedback on sleep through a smartphone app, or (iii) a sleep education program and biofeedback on sleep through a smartphone app. This study utilizes wrist-activity monitors, biomathematical modeling, and a survey instrument to obtain data on sleep quantity, quality, and alertness. A variety of statistical methods will determine the prevalence of risk for a potential sleep disorder and associations with body mass index, alcohol, and caffeine consumption. A generalized linear mixed model will examine the dependent sleep variables assessed at baseline and post-intervention for the control group and intervention groups, as well as within and between groups to determine changes. The findings from this study will contribute to the current understanding of sleep and alertness behaviors, and sleep problems and disorders amongst shift workers. Importantly, the results may inform fatigue policy and practice on interventions to manage fatigue risk within the mining industry. This study protocol may have a broader application in other shiftwork industries, including oil and gas, aviation, rail, and healthcare.
Collapse
Affiliation(s)
- Gemma Maisey
- School of Medical and Health Science, Edith Cowan University, Perth, WA, Australia
| | - Marcus Cattani
- School of Medical and Health Science, Edith Cowan University, Perth, WA, Australia
| | - Amanda Devine
- School of Medical and Health Science, Edith Cowan University, Perth, WA, Australia
| | - Johnny Lo
- School of Science, Edith Cowan University, Perth, WA, Australia
| | - Ian C Dunican
- School of Medical and Health Science, Edith Cowan University, Perth, WA, Australia
| |
Collapse
|