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Sharma S, Stansbury R, Adcock A, Mokaya E, Azzouz M, Olgers K, Knollinger S, Wen S. Early screening of sleep disordered breathing in hospitalized stroke patients high-resolution pulse oximetry as prognostic and early intervention tools in patients with acute stroke and sleep apnea (HOPES TRIAL). Sleep Breath 2024:10.1007/s11325-024-03123-z. [PMID: 39085560 DOI: 10.1007/s11325-024-03123-z] [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: 02/01/2024] [Revised: 06/25/2024] [Accepted: 07/26/2024] [Indexed: 08/02/2024]
Abstract
INTRODUCTION Sleep Disordered Breathing (SDB) has been shown to increase the risk of stroke and despite recommendations, routine evaluation for SDB in acute stroke is not consistent across institutions. The necessary logistics and expertise required to conduct sleep studies in hospitalized patients remain a significant barrier. This study aims to evaluate the feasibility of high-resolution pulse-oximetry (HRPO) for the screening of SDB in acute stroke. Secondarily, considering impact of SDB on acute stroke, we investigated whether SDB at acute stroke predicts functional outcome at discharge and at 3 months post-stroke. METHODS Patients with acute mild to moderate ischemic stroke underwent an overnight HRPO within 48 h of admission. Patients were divided into SDB and no-SDB groups based on oxygen desaturations index(ODI > 10/h). Stepwise multivariate logistic regression analysis was applied to identify the relevant predictors of functional outcome (favorable [mRS 1-2 points] versus unfavorable [mrS > = 3 points]). RESULTS Of the 142 consecutively screened patients, 96 were included in the analysis. Of these, 33/96 (34%) were identified as having SDB and were more likely to have unfavorable mRS scores as compared to those without SDB (odds ratio = 2.70, p-value = 0.032). CONCLUSION HRPO may be a low-cost and easily administered screening method to detect SDB among patients hospitalized for acute ischemic stroke. Patients with SDB (as defined by ODI) have a higher burden of neurological deficits as compared to those without SDB during hospitalization.
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Affiliation(s)
- Sunil Sharma
- N. Leroy Lapp Professor and Chief, Division of Pulmonary, Critical Care and Sleep Medicine, Director of MICU and Pulmonary and Sleep Medicine Program Development, Department of Medicine, WVU School of Medicine, Health Science Center North, Room 4075A, PO Box 9166, Morgantown, WV, 26506, USA.
| | - Robert Stansbury
- N. Leroy Lapp Professor and Chief, Division of Pulmonary, Critical Care and Sleep Medicine, Director of MICU and Pulmonary and Sleep Medicine Program Development, Department of Medicine, WVU School of Medicine, Health Science Center North, Room 4075A, PO Box 9166, Morgantown, WV, 26506, USA
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Amelia Adcock
- Department of Neurology, WVU School of Medicine, Morgantown, WV, USA
| | | | - Mouhannad Azzouz
- Department of Neurology, WVU School of Medicine, Morgantown, WV, USA
| | - Kassandra Olgers
- N. Leroy Lapp Professor and Chief, Division of Pulmonary, Critical Care and Sleep Medicine, Director of MICU and Pulmonary and Sleep Medicine Program Development, Department of Medicine, WVU School of Medicine, Health Science Center North, Room 4075A, PO Box 9166, Morgantown, WV, 26506, USA
| | - Scott Knollinger
- Department of Respiratory Care, Ruby Memorial Hospital, Morgantown, WV, USA
| | - Sijin Wen
- School of Public Health, West Virginia University, Morgantown, WV, USA
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Rangel MFDA, Silva LC, Gonçalves EH, Silva A, Teixeira-Salmela LF, Scianni AA. Presence of Self-Reported Sleep Alterations After Stroke and Their Relationship With Disability: A Longitudinal Study. Neurorehabil Neural Repair 2024; 38:518-526. [PMID: 38708936 DOI: 10.1177/15459683241252826] [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: 05/07/2024]
Abstract
BACKGROUND Sleep disorders have a prevalence of 30% to 70% in post-stroke individuals. The presence of sleep disorders and poor sleep quality after stroke can affect important functions and lead to worse outcomes. However, most studies are restricted to the acute post-stroke stage only. OBJECTIVE To investigate the frequency of self-reported sleep alterations in a sample of chronic stroke individuals and to identify which self-reported sleep alterations were associated with disability. METHODS Prospective exploratory study. Self-reported sleep alterations were measured by the Pittsburgh Sleep Quality Index, Insomnia Severity Index, Epworth Sleepiness Scale, and STOP-Bang Questionnaire. The dependent variable was measured 3 years after the first contact by the Modified Rankin Scale (mRS). Step-wise multiple linear regression analysis was employed to identify which sleep alterations were associated with disability. RESULTS Sixty-five individuals with stroke participated. About 67.7% of participants had poor sleep quality, 52.4% reported insomnia symptoms, 33.9% reported excessive daytime sleepiness, and 80.0% were classified as intermediate or high risk for obstructive sleep apnea. Only risk for obstructive sleep apnea was significantly associated with disability and explained 5% of the variance in the mRS scores. CONCLUSION Self-reported sleep alterations had a considerable frequency in a sample of chronic stroke individuals. The risk of obstructive sleep apnea was associated with disability in the chronic stage of stroke. Sleep alterations must be considered and evaluated in the rehabilitation process even after a long period since the stroke onset.
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Affiliation(s)
| | - Leonardo Carvalho Silva
- Graduate Program in Rehabilitation Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Estefany Horrany Gonçalves
- Graduate Program in Rehabilitation Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Andressa Silva
- Graduate Program in Rehabilitation Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Aline Alvim Scianni
- Graduate Program in Rehabilitation Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Klingman KJ, Billinger SA, Britton-Carpenter A, Bartsch B, Duncan PW, Fulk GD. Prevalence and Detection of Obstructive Sleep Apnea Early after Stroke. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.06.16.24309011. [PMID: 38947016 PMCID: PMC11213113 DOI: 10.1101/2024.06.16.24309011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Background Obstructive sleep apnea (OSA) negatively impacts post-stroke recovery. This study's purpose: examine the prevalence of undiagnosed OSA and describe a simple tool to identify those at-risk for OSA in the early phase of stroke recovery. Methods This was a cross-sectional descriptive study of people ∼15 days post-stroke. Adults with stroke diagnosis admitted to inpatient rehabilitation over a 3-year period were included if they were alert/arousable, able to consent/assent to participation, and excluded if they had a pre-existing OSA diagnosis, other neurologic health conditions, recent craniectomy, global aphasia, inability to ambulate 150 feet independently pre-stroke, pregnant, or inability to understand English. OSA was deemed present if oxygen desaturation index (ODI) of >=15 resulted from overnight oximetry measures. Prevalence of OSA was determined accordingly. Four participant characteristics comprised the "BASH" tool (body mass index >=35, age>=50, sex=male, hypertension=yes). A receiver operator characteristics (ROC) curve analysis was performed with BASH as test variable and OSA presence as state variable. Results Participants (n=123) were 50.4% male, averaged 64.12 years old (sd 14.08), and self-identified race as 75.6% White, 20.3% Black/African American, 2.4%>1 race, and 1.6% other; 22% had OSA. ROC analysis indicated BASH score >=3 predicts presence of OSA (sensitivity=0.778, specificity=0.656, area under the curve =0.746, p<0.001). Conclusions Prevalence of undiagnosed OSA in the early stroke recovery phase is high. With detection of OSA post-stroke, it may be possible to offset untreated OSA's deleterious impact on post-stroke recovery of function. The BASH tool is an effective OSA screener for this application.
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Zhao H, Zhang T, Zhang H, Wang Y, Cheng L. Exercise-with-melatonin therapy improves sleep disorder and motor dysfunction in a rat model of ischemic stroke. Neural Regen Res 2024; 19:1336-1343. [PMID: 37905883 DOI: 10.4103/1673-5374.385844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 08/15/2023] [Indexed: 11/02/2023] Open
Abstract
Abstract
JOURNAL/nrgr/04.03/01300535-202406000-00038/inline-graphic1/v/2023-10-30T152229Z/r/image-tiff
Exercise-with-melatonin therapy has complementary and synergistic effects on spinal cord injury and Alzheimer’s disease, but its effect on stroke is still poorly understood. In this study, we established a rat model of ischemic stroke by occluding the middle cerebral artery for 60 minutes. We treated the rats with exercise and melatonin therapy for 7 consecutive days. Results showed that exercise-with-melatonin therapy significantly prolonged sleep duration in the model rats, increased delta power values, and regularized delta power rhythm. Additionally, exercise-with-melatonin therapy improved coordination, endurance, and grip strength, as well as learning and memory abilities. At the same time, it led to higher hippocampal CA1 neuron activity and postsynaptic density thickness and lower expression of glutamate receptor 2 than did exercise or melatonin therapy alone. These findings suggest that exercise-with-melatonin therapy can alleviate sleep disorder and motor dysfunction by increasing glutamate receptor 2 protein expression and regulating hippocampal CA1 synaptic plasticity.
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Affiliation(s)
- Haitao Zhao
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
- Department of Neurological Rehabilitation, Beijing Bo'ai Hospital, China Rehabilitation Research Center, Beijing, China
- School of Rehabilitation Medicine, University of Health and Rehabilitation Sciences, Qingdao, Shandong Province, China
- Laboratory of Brain Injury Repair and Rehabilitation, China Rehabilitation Science Institute, Beijing, China
| | - Tong Zhang
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
- Department of Neurological Rehabilitation, Beijing Bo'ai Hospital, China Rehabilitation Research Center, Beijing, China
- School of Rehabilitation Medicine, University of Health and Rehabilitation Sciences, Qingdao, Shandong Province, China
- Laboratory of Brain Injury Repair and Rehabilitation, China Rehabilitation Science Institute, Beijing, China
| | - Haojie Zhang
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
- Department of Neurological Rehabilitation, Beijing Bo'ai Hospital, China Rehabilitation Research Center, Beijing, China
- Laboratory of Brain Injury Repair and Rehabilitation, China Rehabilitation Science Institute, Beijing, China
| | - Yunlei Wang
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
- Department of Neurological Rehabilitation, Beijing Bo'ai Hospital, China Rehabilitation Research Center, Beijing, China
- Laboratory of Brain Injury Repair and Rehabilitation, China Rehabilitation Science Institute, Beijing, China
| | - Lingna Cheng
- School of Rehabilitation Medicine, Capital Medical University, Beijing, China
- Department of Neurological Rehabilitation, Beijing Bo'ai Hospital, China Rehabilitation Research Center, Beijing, China
- Laboratory of Brain Injury Repair and Rehabilitation, China Rehabilitation Science Institute, Beijing, China
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Dharmakulaseelan L, Boulos MI. Sleep Apnea and Stroke: A Narrative Review. Chest 2024:S0012-3692(24)00665-2. [PMID: 38815623 DOI: 10.1016/j.chest.2024.04.028] [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: 08/24/2023] [Revised: 04/16/2024] [Accepted: 04/19/2024] [Indexed: 06/01/2024] Open
Abstract
TOPIC IMPORTANCE Stroke is the second-leading cause of death worldwide. OSA is an independent risk factor for stroke and is associated with multiple vascular risk factors. Poststroke OSA is prevalent and closely linked with various stroke subtypes, including cardioembolic stroke and cerebral small vessel disease. Observational studies have shown that untreated poststroke OSA is associated with an increased risk of recurrent stroke, mortality, poorer functional recovery, and longer hospitalizations. REVIEW FINDINGS Poststroke OSA tends to be underdiagnosed and undertreated, possibly because stroke patients with OSA present atypically compared with the general population with OSA. Objective testing, such as the use of ambulatory sleep testing or in-laboratory polysomnography, is recommended for diagnosing OSA. The gold standard for treating OSA is CPAP therapy. Randomized controlled trials (RCTs) have shown that treatment of poststroke OSA using CPAP improves nonvascular outcomes such as cognition and neurologic recovery. However, findings from RCTs that have evaluated the effect of CPAP on recurrent stroke risk and mortality have been largely negative. SUMMARY There is a need for high-quality RCTs in poststroke OSA that may provide evidence to support the utility of CPAP (and/or other treatment modalities) in reducing recurrent vascular events and mortality. This goal may be achieved by examining treatment strategies that have yet to be trialed in poststroke OSA, tailoring interventions according to poststroke OSA endotypes and phenotypes, selecting high-risk populations, and using metrics that reflect the physiological abnormalities that underlie the harmful effects of OSA on cardiovascular outcomes.
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Affiliation(s)
- Laavanya Dharmakulaseelan
- Department of Medicine, Division of Neurology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Hurvitz Brain Sciences Research Program, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Mark I Boulos
- Department of Medicine, Division of Neurology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Hurvitz Brain Sciences Research Program, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Sleep Laboratory, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
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Lin HJ, Chen PC, Liu YH, Hsu CY. Increasing and high prevalence of moderate to severe obstructive sleep apnea in acute ischemic stroke in Taiwan. J Formos Med Assoc 2024; 123:408-414. [PMID: 37770283 DOI: 10.1016/j.jfma.2023.09.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/15/2023] [Accepted: 09/07/2023] [Indexed: 09/30/2023] Open
Abstract
STUDY OBJECTIVES The prevalence of obstructive sleep apnea (OSA) after stroke is variable, likely due to the time of examination and patient population. Although risk factors for OSA are well established, those for OSA in patients with ischemic stroke have not yet been fully identified. Therefore, we examined the prevalence of OSA and identified risk factors for OSA in the acute stage of ischemic stroke in the Taiwanese population. METHODS A total of 103 patients with acute ischemic stroke were screened for OSA by performing polysomnography. The demographic and clinical data, Epworth Sleepiness Scale score, and other stroke risk factors were recorded. Sleep parameters, namely sleep efficiency, sleep stages, apnea-hypopnea index, and oxygen desaturation index were recorded. Logistic regression analysis was conducted to determine clinical and demographic risk factors for moderate to severe OSA in patients with stroke. RESULTS We determined that 91.2% of the patients had OSA in the acute stage of ischemic stroke, and 70% of the patients had moderate to severe OSA. Multivariate logistic regression analysis revealed that patients aged ≥65 years had a significantly higher risk of moderate to severe OSA (adjusted OR: 3.04, 95% CI: 1.20-7.69, p < 0.05) compared with patients with ischemic stroke aged <50 years. CONCLUSION OSA is highly prevalent among patients with ischemic stroke in the acute stage, and those aged ≥65 years had a significantly increased risk of moderate to severe OSA. In clinical practice, routine PSG screening of OSA may be necessary among older patients with stroke.
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Affiliation(s)
- Huan-Jan Lin
- Department of Neurology, E-DA Hospital, Kaohsiung, Taiwan; College of Medicine, I-Shou University, Kaohsiung, Taiwan
| | - Po-Cheng Chen
- Department of Physical Medicine and Rehabilitation, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yu-Hsuan Liu
- Department of Neurology, E-DA Hospital, Kaohsiung, Taiwan
| | - Chung-Yao Hsu
- Department of Neurology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Neurology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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7
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Sun B, Ma Q, Shen J, Meng Z, Xu J. Up-to-date advance in the relationship between OSA and stroke: a narrative review. Sleep Breath 2024; 28:53-60. [PMID: 37632670 DOI: 10.1007/s11325-023-02904-2] [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] [Received: 05/27/2023] [Revised: 07/26/2023] [Accepted: 08/11/2023] [Indexed: 08/28/2023]
Abstract
PURPOSE Obstructive sleep apnea (OSA) and stroke affect each other. In this review, we summarized the effect of OSA on the onset and recurrence of stroke, the prognosis, and the treatment of poststroke patients with OSA. METHODS Pubmed/MEDLINE were searched through May 2023 to explore the relationship between OSA and stroke. The relevant papers included OSA and stroke, OSA and recurrent stroke, and the prognosis and treatment of poststroke patients with OSA. RESULTS The results showed that OSA can promote the onset and recurrence of stroke and that OSA may adversely affect the prognosis of poststroke patients. The application of continuous positive airway pressure (CPAP) and other treatments may benefit poststroke patients with OSA, though the long term effects of treatment are not well documented. CONCLUSION Both the onset and recurrence of stroke closely correlated with OSA, but the specific mechanisms remain unclear. Further studies should be carried out to explore effective treatments in patients with stroke and OSA.
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Affiliation(s)
- Bo Sun
- Department of Respiratory and Critical Care Medicine, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 6 Beijing Road West, Huaian, 223300, Jiangsu, China
| | - Qiyun Ma
- Department of Respiratory and Critical Care Medicine, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 6 Beijing Road West, Huaian, 223300, Jiangsu, China
| | - Jiani Shen
- Department of Respiratory and Critical Care Medicine, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 6 Beijing Road West, Huaian, 223300, Jiangsu, China
| | - Zili Meng
- Department of Respiratory and Critical Care Medicine, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 6 Beijing Road West, Huaian, 223300, Jiangsu, China
| | - Jing Xu
- Department of Respiratory and Critical Care Medicine, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 6 Beijing Road West, Huaian, 223300, Jiangsu, China.
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Khot SP, Lisabeth LD, Kwicklis M, Chervin RD, Case E, Schütz SG, Brown DL. Heterogeneity of obstructive sleep apnea phenotypes after ischemic stroke: Outcome variation by cluster analysis. Sleep Med 2024; 114:145-150. [PMID: 38183805 PMCID: PMC10872508 DOI: 10.1016/j.sleep.2023.12.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/20/2023] [Accepted: 12/29/2023] [Indexed: 01/08/2024]
Abstract
INTRODUCTION Obstructive sleep apnea (OSA) is common but under-recognized after stroke. The aim of this study was to determine whether post-stroke phenotypic OSA subtypes are associated with stroke outcome in a population-based observational cohort. METHODS Ischemic stroke patients (n = 804) diagnosed with OSA (respiratory event index ≥10) soon after ischemic stroke were identified from the Brain Attack Surveillance in Corpus Christi (BASIC) project. Functional, cognitive, and quality of life outcomes were assessed at 90 days post-stroke and long-term stroke recurrence was ascertained. Latent profile analysis was performed based on demographic and clinical features, pre-stroke sleep characteristics, OSA severity, and vascular risk factors. Regression models were used to assess the association between phenotypic clusters and outcomes. RESULTS Four distinct phenotypic clusters provided the best fit. Cluster 1 was characterized by more severe stroke; cluster 2 by severe OSA and higher prevalence of medical comorbidities; cluster 3 by mild stroke and mild OSA; and cluster 4 by moderate OSA and mild stroke. Compared to cluster 3 and after adjustment for baseline stroke severity, cluster 1 and cluster 2 had worse 90-day functional outcome and cluster 1 also had worse quality of life. No difference in cognitive outcome or stroke recurrence rate was noted by cluster. CONCLUSION Post-stroke OSA is a heterogeneous disorder with different clinical phenotypes associated with stroke outcomes, including both daily function and quality of life. The unique presentations of OSA after stroke may have important implications for stroke prognosis and personalized treatment strategies.
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Affiliation(s)
- S P Khot
- Department of Neurology, Harborview Medical Center, University of Washington, Seattle, WA, USA.
| | - L D Lisabeth
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - M Kwicklis
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - R D Chervin
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA; Sleep Disorders Center and Department of Neurology, University of Michigan, Ann Arbor, MI, USA
| | - E Case
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - S G Schütz
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA; Sleep Disorders Center and Department of Neurology, University of Michigan, Ann Arbor, MI, USA
| | - D L Brown
- Department of Neurology, University of Michigan, Ann Arbor, MI, USA
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Denis C, Jaussent I, Guiraud L, Mestejanot C, Arquizan C, Mourand I, Chenini S, Abril B, Wacongne A, Tamisier R, Baillieul S, Pepin JL, Barateau L, Dauvilliers Y. Functional recovery after ischemic stroke: Impact of different sleep health parameters. J Sleep Res 2024; 33:e13964. [PMID: 37338010 DOI: 10.1111/jsr.13964] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/24/2023] [Accepted: 06/05/2023] [Indexed: 06/21/2023]
Abstract
Sleep disturbances after ischaemic stroke include alterations of sleep architecture, obstructive sleep apnea, restless legs syndrome, daytime sleepiness and insomnia. Our aim was to explore their impacts on functional outcomes at month 3 after stroke, and to assess the benefit of continuous positive airway pressure in patients with severe obstructive sleep apnea. Ninety patients with supra-tentorial ischaemic stroke underwent clinical screening for sleep disorders and polysomnography at day 15 ± 4 after stroke in a multisite study. Patients with severe obstructive apnea (apnea-hypopnea index ≥ 30 per hr) were randomized into two groups: continuous positive airway pressure-treated and sham (1:1 ratio). Functional independence was assessed with the Barthel Index at month 3 after stroke in function of apnea-hypopnea index severity and treatment group. Secondary objectives were disability (modified Rankin score) and National Institute of Health Stroke Scale according to apnea-hypopnea index. Sixty-one patients (71.8 years, 42.6% men) completed the study: 51 (83.6%) had obstructive apnea (21.3% severe apnea), 10 (16.7%) daytime sleepiness, 13 (24.1%) insomnia, 3 (5.7%) depression, and 20 (34.5%) restless legs syndrome. Barthel Index, modified Rankin score and Stroke Scale were similar at baseline and 3 months post-stroke in the different obstructive sleep apnea groups. Changes at 3 months in those three scores were similar in continuous positive airway pressure versus sham-continuous positive airway pressure patients. In patients with worse clinical outcomes at month 3, mean nocturnal oxygen saturation was lower whereas there was no association with apnea-hypopnea index. Poorer outcomes at 3 months were also associated with insomnia, restless legs syndrome, depressive symptoms, and decreased total sleep time and rapid eye movement sleep.
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Affiliation(s)
- Claire Denis
- Sleep-Wake Disorders Unit, Department of Neurology, Gui-de-Chauliac Hospital, CHU, Montpellier, France
| | | | - Lily Guiraud
- Sleep-Wake Disorders Unit, Department of Neurology, Gui-de-Chauliac Hospital, CHU, Montpellier, France
| | - Caroline Mestejanot
- Sleep-Wake Disorders Unit, Department of Neurology, Gui-de-Chauliac Hospital, CHU, Montpellier, France
| | - Caroline Arquizan
- Stroke University, Department of Neurology, Gui-de-Chauliac Hospital, CHU, Montpellier, France
| | - Isabelle Mourand
- Stroke University, Department of Neurology, Gui-de-Chauliac Hospital, CHU, Montpellier, France
| | - Sofiène Chenini
- Sleep-Wake Disorders Unit, Department of Neurology, Gui-de-Chauliac Hospital, CHU, Montpellier, France
- INM, University Montpellier, INSERM, Montpellier, France
- National Reference Centre for Orphan Diseases, Narcolepsy, Idiopathic Hypersomnia, and Kleine-Levin Syndrome, Montpellier, France
| | - Beatriz Abril
- Sleep University, Carémeau Hospital, CHU, Nîmes, France
| | - Anne Wacongne
- Neurology Department, Carémeau Hospital, CHU, Nîmes, France
| | - Renaud Tamisier
- University Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, Grenoble, France
| | - Sébastien Baillieul
- University Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, Grenoble, France
| | - Jean-Louis Pepin
- University Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, Grenoble, France
| | - Lucie Barateau
- Sleep-Wake Disorders Unit, Department of Neurology, Gui-de-Chauliac Hospital, CHU, Montpellier, France
- INM, University Montpellier, INSERM, Montpellier, France
- National Reference Centre for Orphan Diseases, Narcolepsy, Idiopathic Hypersomnia, and Kleine-Levin Syndrome, Montpellier, France
| | - Yves Dauvilliers
- Sleep-Wake Disorders Unit, Department of Neurology, Gui-de-Chauliac Hospital, CHU, Montpellier, France
- INM, University Montpellier, INSERM, Montpellier, France
- National Reference Centre for Orphan Diseases, Narcolepsy, Idiopathic Hypersomnia, and Kleine-Levin Syndrome, Montpellier, France
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Yang H, Lu S, Yang L. Clinical prediction models for the early diagnosis of obstructive sleep apnea in stroke patients: a systematic review. Syst Rev 2024; 13:38. [PMID: 38268059 PMCID: PMC10807185 DOI: 10.1186/s13643-024-02449-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 12/29/2023] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is a common sleep disorder characterized by repetitive cessation or reduction in airflow during sleep. Stroke patients have a higher risk of OSA, which can worsen their cognitive and functional disabilities, prolong their hospitalization, and increase their mortality rates. METHODS We conducted a comprehensive literature search in the databases of PubMed, CINAHL, Embase, PsycINFO, Cochrane Library, and CNKI, using a combination of keywords and MeSH words in both English and Chinese. Studies published up to March 1, 2022, which reported the development and/or validation of clinical prediction models for OSA diagnosis in stroke patients. RESULTS We identified 11 studies that met our inclusion criteria. Most of the studies used logistic regression models and machine learning approaches to predict the incidence of OSA in stroke patients. The most frequently selected predictors included body mass index, sex, neck circumference, snoring, and blood pressure. However, the predictive performance of these models ranged from poor to moderate, with the area under the receiver operating characteristic curve varying from 0.55 to 0.82. All the studies have a high overall risk of bias, mainly due to the small sample size and lack of external validation. CONCLUSION Although clinical prediction models have shown the potential for diagnosing OSA in stroke patients, their limited accuracy and high risk of bias restrict their implications. Future studies should focus on developing advanced algorithms that incorporate more predictors from larger and representative samples and externally validating their performance to enhance their clinical applicability and accuracy.
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Affiliation(s)
- Hualu Yang
- Department of Rehabilitation, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, 581052, China
- School of Nursing, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Shuya Lu
- School of Nursing, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China
| | - Lin Yang
- School of Nursing, The Hong Kong Polytechnic University, Hong Kong SAR, 999077, China.
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11
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Baillieul S, Denis C, Barateau L, Arquizan C, Detante O, Pépin JL, Dauvilliers Y, Tamisier R. The multifaceted aspects of sleep and sleep-wake disorders following stroke. Rev Neurol (Paris) 2023; 179:782-792. [PMID: 37612191 DOI: 10.1016/j.neurol.2023.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/25/2023]
Abstract
Sleep-wake disorders (SWD) are acknowledged risk factors for both ischemic stroke and poor cardiovascular and functional outcome after stroke. SWD are frequent following stroke, with sleep apnea (SA) being the most frequent SWD affecting more than half of stroke survivors. While sleep disturbances and SWD are frequently reported in the acute phase, they may persist in the chronic phase after an ischemic stroke. Despite the frequency and risk associated with SWD following stroke, screening for SWD remains rare in the clinical setting, due to challenges in the assessment of post-stroke SWD, uncertainty regarding the optimal timing for their diagnosis, and a lack of clear treatment guidelines (i.e., when to treat and the optimal treatment strategy). However, little evidence support the feasibility of SWD treatment even in the acute phase of stroke and its favorable effect on long-term cardiovascular and functional outcomes. Thus, sleep health recommendations and SWD treatment should be systematically embedded in secondary stroke prevention strategy. We therefore propose that the management of SWD associated with stroke should rely on a multidisciplinary approach, with an integrated diagnostic, treatment, and follow-up strategy. The challenges in the field are to improve post-stroke SWD diagnosis, prognosis and treatment, through a better appraisal of their pathophysiology and temporal evolution.
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Affiliation(s)
- S Baillieul
- Université Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France.
| | - C Denis
- National Reference Centre for Orphan Diseases Narcolepsy Rare Hypersomnias, Sleep Disorders Unit, Department of Neurology, CHU de Montpellier, University of Montpellier, Montpellier, France
| | - L Barateau
- National Reference Centre for Orphan Diseases Narcolepsy Rare Hypersomnias, Sleep Disorders Unit, Department of Neurology, CHU de Montpellier, University of Montpellier, Montpellier, France; Institute for Neurosciences of Montpellier (INM), University of Montpellier, Inserm, Montpellier, France
| | - C Arquizan
- Department of Neurology, Hôpital Gui-de-Chauliac, Montpellier, France; Inserm U1266, Paris, France
| | - O Detante
- Neurology Department, Grenoble Alpes University Hospital, Grenoble, France
| | - J-L Pépin
- Université Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
| | - Y Dauvilliers
- National Reference Centre for Orphan Diseases Narcolepsy Rare Hypersomnias, Sleep Disorders Unit, Department of Neurology, CHU de Montpellier, University of Montpellier, Montpellier, France; Institute for Neurosciences of Montpellier (INM), University of Montpellier, Inserm, Montpellier, France
| | - R Tamisier
- Université Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
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Baillieul S, Tamisier R, Camilo MR, Pontes-Neto OM. Sleep Apnea and Ischemic Stroke: More Insights on a Timeless Association. Stroke 2023; 54:2366-2368. [PMID: 37485664 DOI: 10.1161/strokeaha.123.043483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Affiliation(s)
- Sébastien Baillieul
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France (S.B., R.T.)
| | - Renaud Tamisier
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France (S.B., R.T.)
| | - Millene Rodrigues Camilo
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School - University of São Paulo, Ribeirão Preto, Brazil (M.R., O.M.P.-N.)
| | - Octavio Marques Pontes-Neto
- Department of Neurosciences and Behavioral Sciences, Ribeirão Preto Medical School - University of São Paulo, Ribeirão Preto, Brazil (M.R., O.M.P.-N.)
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13
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Fu S, Peng X, Li Y, Yang L, Yu H. Effectiveness and feasibility of continuous positive airway pressure in patients with stroke and sleep apnea: a meta-analysis of randomized trials. J Clin Sleep Med 2023; 19:1685-1696. [PMID: 37664950 PMCID: PMC10476038 DOI: 10.5664/jcsm.10680] [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] [Received: 09/07/2022] [Revised: 06/01/2023] [Accepted: 06/01/2023] [Indexed: 09/05/2023]
Abstract
STUDY OBJECTIVES This meta-analysis aimed to investigate the feasibility and effectiveness of continuous positive airway pressure (CPAP) treatment in stroke patients with sleep apnea. METHODS PubMed, EMBASE, and the Cochrane Library were searched from inception until July 28, 2022, for randomized controlled trials comparing the use of CPAP and usual treatment in patients with stroke or transient ischemic attack and sleep apnea. The primary outcome measures were the feasibility of CPAP therapy, neurological function, and functional status. RESULTS After screening 5,747 studies, 14 studies with 1,065 patients were included in this meta-analysis. Overall, 8 of the 14 studies recorded CPAP use, and the mean CPAP use was 4.47 hours per night (95% confidence interval [CI]: 3.85-5.09). The risk ratio of discontinuing CPAP was 1.50 (95% CI: 0.76-2.94; P = .24). Analysis of the neurofunctional scales showed that CPAP treatment improved neurological function (standardized mean difference: 0.28; 95% CI: 0.02-0.53), but there was substantial heterogeneity (I2 = 57%, P = .03) across the studies. CPAP treatment had no significant effect on functional status vs the control (standardized mean difference: 0.25; 95% CI: -0.01 to 0.51), but the studies also had substantial heterogeneity (I2 = 55%, P = .06). CONCLUSIONS CPAP treatment is feasible in patients with stroke and sleep apnea and may improve neurological outcomes in these patients. However, this finding should be interpreted with caution because of the substantial heterogeneity of current trials. CITATION Fu S, Peng X, Li Y, Yang L, Yu H. Effectiveness and feasibility of continuous positive airway pressure in patients with stroke and sleep apnea: a meta-analysis of randomized trials. J Clin Sleep Med. 2023;19(9):1685-1696.
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Affiliation(s)
- Shasha Fu
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaohua Peng
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yi Li
- Department of Rehabilitation Medicine, People’s Hospital of Chongqing Banan District, Chongqing, China
| | - Lining Yang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Heping Yu
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Lisabeth LD, Zhang G, Chervin RD, Shi X, Morgenstern LB, Campbell M, Tower S, Brown DL. Longitudinal Assessment of Sleep Apnea in the Year After Stroke in a Population-Based Study. Stroke 2023; 54:2356-2365. [PMID: 37485665 PMCID: PMC10527822 DOI: 10.1161/strokeaha.123.042325] [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: 01/03/2023] [Accepted: 06/05/2023] [Indexed: 07/25/2023]
Abstract
BACKGROUND The aim of this study was to characterize change in sleep-disordered breathing severity in the year following stroke, overall, and by ethnicity, within the population-based Brain Attack Surveillance in Corpus Christi Project. METHODS First-ever ischemic strokes (n=414) were ascertained by active and passive surveillance and validated by stroke-trained physicians. Patients with stroke were invited to participate in portable sleep apnea testing (ApneaLink Plus) at baseline and 3, 6, and 12 months poststroke. Sleep-disordered breathing severity was assessed by the respiratory event index (apneas and hypopneas/hour of recording). The component obstructive apnea index and central apnea index were also assessed. Time and ethnicity effects on outcomes, as well as ethnic differences in time effects, were analyzed using generalized estimating equations with multivariable adjustment for confounding factors. RESULTS Mean age (n=414) was 63.9 years (SD=10.9); 68.4% were Mexican American. Baseline mean respiratory event index, obstructive apnea index, and central apnea index were 21.3 (SD=16.6), 8.6 (SD=11.5), and 1.5 (SD=3.2), respectively. There was no time effect on respiratory event index (P=0.35) but obstructive apnea index increased over time (P<0.01). Averaged over follow-up, respiratory event index and obstructive apnea index were significantly higher in Mexican American than non-Hispanic White persons. No ethnic difference in the time effect was found for either outcome. For central apnea index, there was an ethnicity-time interaction (P=0.01) such that central apnea index increased in non-Hispanic White but did not change in Mexican American persons. CONCLUSIONS Sleep-disordered breathing severity was significant and stable for most individuals in the year after stroke. These results do not confirm previous reports of diminishing sleep-disordered breathing severity over time after stroke and would support early assessment and treatment where indicated.
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Affiliation(s)
- Lynda D Lisabeth
- Department of Epidemiology (L.D.L., L.B.M.), University of Michigan School of Public Health, Ann Arbor
- Stroke Program (L.D.L., L.B.M., D.L.B.), University of Michigan Health System
| | - Guanghao Zhang
- Department of Biostatistics (G.Z., X.S.), University of Michigan School of Public Health, Ann Arbor
| | - Ronald D Chervin
- Michael S Aldrich Sleep Disorders Laboratory (R.D.C.), University of Michigan Health System
| | - Xu Shi
- Department of Biostatistics (G.Z., X.S.), University of Michigan School of Public Health, Ann Arbor
| | - Lewis B Morgenstern
- Department of Epidemiology (L.D.L., L.B.M.), University of Michigan School of Public Health, Ann Arbor
- Stroke Program (L.D.L., L.B.M., D.L.B.), University of Michigan Health System
| | | | | | - Devin L Brown
- Stroke Program (L.D.L., L.B.M., D.L.B.), University of Michigan Health System
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15
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Lee-Iannotti JK. Sleep Disorders in Patients with Neurologic Disease. Continuum (Minneap Minn) 2023; 29:1188-1204. [PMID: 37590829 DOI: 10.1212/con.0000000000001270] [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: 08/19/2023]
Abstract
OBJECTIVE This article provides an overview of the growing body of evidence showing bidirectional relationships between sleep and various neurologic disorders. LATEST DEVELOPMENTS Mounting evidence demonstrates that disrupted sleep can negatively impact various neurologic disease processes, including stroke, multiple sclerosis, epilepsy, neuromuscular disorders including amyotrophic lateral sclerosis, and headache syndromes. Abnormal sleep can also be a precursor to Alzheimer disease and neurodegenerative disease states such as Parkinson disease and dementia with Lewy bodies. Interventions to improve sleep and treat obstructive sleep apnea may play a vital role in preventing neurologic disease development and progression. ESSENTIAL POINTS Sleep disorders are common among patients with neurologic disorders. To provide comprehensive care to patients with neurologic conditions, neurologists must ask patients about sleep issues that may warrant further diagnostic testing, treatment, and sleep medicine referral when indicated.
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Hale E, Gottlieb E, Usseglio J, Shechter A. Post-stroke sleep disturbance and recurrent cardiovascular and cerebrovascular events: A systematic review and meta-analysis. Sleep Med 2023; 104:29-41. [PMID: 36889030 PMCID: PMC10098455 DOI: 10.1016/j.sleep.2023.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 02/10/2023] [Accepted: 02/18/2023] [Indexed: 02/22/2023]
Abstract
Despite improvements in survival rates, risk of recurrent events following stroke remains high. Identifying intervention targets to reduce secondary cardiovascular risk in stroke survivors is a priority. The relationship between sleep and stroke is complex: sleep disturbances are likely both a contributor to, and consequence of, stroke. The current aim was to examine the association between sleep disturbance and recurrent major acute coronary events or all-cause mortality in the post-stroke population. Thirty-two studies were identified, including 22 observational studies and 10 randomized clinical trials (RCTs). Identified studies included the following as predictors of post-stroke recurrent events: obstructive sleep apnea (OSA, n = 15 studies), treatment of OSA with positive airway pressure (PAP, n = 13 studies), sleep quality and/or insomnia (n = 3 studies), sleep duration (n = 1 study), polysomnographic sleep/sleep architecture metrics (n = 1 study), and restless legs syndrome (n = 1 study). A positive relationship of OSA and/or OSA severity with recurrent events/mortality was seen. Findings on PAP treatment for OSA were mixed. Positive findings indicating a benefit of PAP for post-stroke risk came largely from observational studies (pooled RR [95% CI] for association between PAP and recurrent cardiovascular event: 0.37 [0.17-0.79], I2 = 0%). Negative findings came largely from RCTs (RR [95% CI] for association between PAP and recurrent cardiovascular event + death: 0.70 [0.43-1.13], I2 = 30%). From the limited number of studies conducted to date, insomnia symptoms/poor sleep quality and long sleep duration were associated with increased risk. Sleep, a modifiable behavior, may be a secondary prevention target to reduce the risk of recurrent event and death following stroke. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42021266558.
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Affiliation(s)
- Evan Hale
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Elie Gottlieb
- The Florey Institute of Neuroscience and Mental Health, Melbourne, Victoria, Australia; SleepScore Labs, Carslbad, CA, USA
| | - John Usseglio
- Center for Behavioral Cardiovascular Health, Columbia University Irving Medical Center, New York, NY, USA; Augustus C. Long Health Sciences Library, Columbia University Irving Medical Center, New York, NY, USA
| | - Ari Shechter
- Center for Behavioral Cardiovascular Health, Columbia University Irving Medical Center, New York, NY, USA; Center of Excellence for Sleep & Circadian Research, Columbia University Irving Medical Center, New York, NY, USA.
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Sanchez O, Adra N, Chuprevich S, Attarian H. Screening for OSA in stroke patients: The role of a sleep educator. Sleep Med 2022; 100:196-197. [PMID: 36113231 DOI: 10.1016/j.sleep.2022.08.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 08/26/2022] [Accepted: 08/28/2022] [Indexed: 01/12/2023]
Abstract
Obstructive Sleep Apnea (OSA) is prevalent in patients with stroke or Transient Ischemic Attack (TIA). OSA is also a risk factor for recurrent stroke and TIA. Screening for and addressing OSA in acute stroke settings is difficult because of variety of factors not the least of which is the added burden on the healthcare team. We describe the preliminary results of a pilot program instituted at our medical center and the positive impact it has on OSA screening in the acute stroke unit.
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Affiliation(s)
- Oriana Sanchez
- Department of Neurology, University of Mississippi Medical Center, Jackson Mississippi, USA
| | - Nour Adra
- American University of Beirut Faculty of Medicine, Beirut, Lebanon
| | - Scott Chuprevich
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Hrayr Attarian
- Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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18
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Horvat M, Lisabeth LD, Lim J, He K, Dasgupta R, Case E, Chervin RD, Brown DL. Ethnic differences exist in sleepiness 3 Months after ischemic stroke. Sleep Med 2022; 100:219-224. [PMID: 36115141 PMCID: PMC9669219 DOI: 10.1016/j.sleep.2022.08.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 07/13/2022] [Accepted: 08/25/2022] [Indexed: 01/12/2023]
Abstract
OBJECTIVE/BACKGROUND To examine the association between ethnicity and 90-day post-stroke subjective sleepiness, an important determinant of quality of life, as measured by the Epworth Sleepiness Scale (ESS), among ischemic stroke survivors. PATIENTS/METHODS Mexican American (MA) and non-Hispanic white (NHW) recent ischemic stroke patients were identified from the population-based Brain Attack Surveillance in Corpus Christi Project (2010-2016). Subjects completed a baseline interview and 90-day outcome assessment that included the ESS. Excessive daytime sleepiness was defined as an ESS >10. Tobit regression models were used to assess associations between ethnicity and ESS unadjusted and adjusted for multiple potential confounders. RESULTS Among 1,181 (62.5% MA) subjects, mean ESS at 90 days was 8.9 (SD 6.0) among MA and 7.4 (SD 4.9) among NHW subjects: 1.45 (95% CI: 0.75, 2.15) points higher among MA than NHW subjects. After adjustment, mean ESS at 90 days was 1.16 (95% CI: 0.38, 1.94) points higher among MAs than NHWs. The prevalence of excessive daytime sleepiness was 39% among MA and 30% among NHW subjects (p = 0.0013). CONCLUSIONS Ninety days after stroke, sleepiness is worse in MAs compared to NHWs, even after accounting for potential confounding variables. Further studies should address ways to reduce this disparity.
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Affiliation(s)
- Marri Horvat
- Sleep Disorders Center, Department of Neurology, University of Michigan, 1500 E. Medical Center Drive, Ann Arbor, MI, 48109, USA
| | - Lynda D Lisabeth
- Department of Epidemiology, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, 48109, USA; Stroke Program - Cardiovascular Center, Department of Neurology, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI, 48109, USA
| | - Jaewon Lim
- Department of Biostatistics, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, USA
| | - Kevin He
- Department of Biostatistics, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, USA
| | - Rahul Dasgupta
- Sleep Disorders Center, Department of Neurology, University of Michigan, 1500 E. Medical Center Drive, Ann Arbor, MI, 48109, USA
| | - Erin Case
- Department of Epidemiology, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, 48109, USA; Stroke Program - Cardiovascular Center, Department of Neurology, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI, 48109, USA
| | - Ronald D Chervin
- Sleep Disorders Center, Department of Neurology, University of Michigan, 1500 E. Medical Center Drive, Ann Arbor, MI, 48109, USA
| | - Devin L Brown
- Stroke Program - Cardiovascular Center, Department of Neurology, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI, 48109, USA.
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Pajediene E, Paulekas E, Salteniene V, Skieceviciene J, Arstikyte J, Petrikonis K, Kupcinskas J, Bassetti CL, Daiva R. Diurnal variation of clock genes expression and other sleep-wake rhythm biomarkers among acute ischemic stroke patients. Sleep Med 2022; 99:1-10. [DOI: 10.1016/j.sleep.2022.06.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 10/31/2022]
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20
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Khambadkone SG, Benjamin SE. Sleep Disturbances in Neurological Disease: A Target for Intervention. Semin Neurol 2022; 42:639-657. [PMID: 36216356 DOI: 10.1055/a-1958-0710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Sleep is a biological function required for neurological and general health, but a significant and under-recognized proportion of the population has disturbed sleep. Here, we briefly overview the biology of sleep, sleep requirements over the lifespan, and common sleep disorders. We then turn our attention to five neurological diseases that significantly contribute to global disease burden and neurology practice makeup: epilepsy, headache, ischemic stroke, Parkinson's disease, and Alzheimer's disease. For each disease, we review evidence that sleep disturbances contribute to disease risk and severity and discuss existing data that addressing sleep disturbances may have disease-modifying effects. We provide recommendations derived from the literature and existing clinical guidelines to facilitate the evaluation and management of sleep disturbances within the context of each neurological disease. Finally, we synthesize identified needs and commonalities into future directions for the field and practical sleep-related recommendations for physicians caring for patients at risk for or currently suffering from neurological disease.
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Affiliation(s)
- Seva G Khambadkone
- Department of Pediatrics, Oregon Health & Science University, Portland, Oregon
| | - Sara E Benjamin
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Johns Hopkins Center for Sleep, Columbia, Maryland
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21
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Validation Study of the Richards-Campbell Sleep Questionnaire in Patients with Acute Stroke. J Pers Med 2022; 12:jpm12091473. [PMID: 36143258 PMCID: PMC9505129 DOI: 10.3390/jpm12091473] [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: 08/10/2022] [Revised: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 11/17/2022] Open
Abstract
Sleep disorders are frequent in acute stroke. The Richards-Campbell Sleep Questionnaire (RCSQ) is a validated scale for the sleep assessment in intensive care unit. The aim of the present study is to validate RCSQ for use in patients with acute stroke. We performed a validation study by comparing the RCSQ with polysomnography (PSG), the standardized measure of sleep. Inclusion criteria were age ≥ 18 years and a radiologically confirmed diagnosis of stroke. Exclusion criteria were global aphasia, extreme severity of clinical conditions and inability to attend PSG. All patients underwent PSG in a stroke unit, the day after a subjective sleep assessment by means of the RCSQ. The RCSQ was compared with PSG parameters to assess the degree of concordance of the two measures. The cohort consisted of 36 patients. Mean RCSQ score was 61.5 ± 24.8. The total score of the RCSQ showed a good degree of concordance with the sleep efficiency index of PSG. Accuracy of the RCSQ was 70%, sensitivity 71% and specificity 68%. The RCSQ is a good tool for screening the sleep quality in the setting of a stroke unit. Therefore, it could be useful to select the patients who might beneficiate from an instrumental sleep evaluation.
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22
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Abstract
SUMMARY Ischemic strokes most often occur between 6 am and 12 am after awakening from sleep but up to 30% occur during sleep. Wake-up strokes (WUS) are new focal neurological deficit(s) persisting for ≥ 24 hours attributable to an ischemic event present on patient awakening. Obstructive sleep apnea (OSA) is a major risk factor for WUS because it compounds the instability of the morning environment and increases the likelihood of cardiovascular events, including hypertension, atrial fibrillation, right-to-left shunts, and stroke. Circadian-driven alterations in structural, homeostatic, and serological factors also predispose to WUS. Also, WUS patients are often not considered candidates for time-dependent intravenous thrombolysis therapy because of an uncertain onset time. However, using the tissue clock (positive diffusion weighted imaging-negative fluid-attenuated inversion recovery mismatch) dates the WUS as 3 to 4.5 hours old and permits consideration for intravenous thrombolysis and if needed mechanical thrombectomy. Given the high prevalence of moderate/severe OSA in stroke patients and its impact on stroke outcomes, screening with overnight pulse oximetry and home sleep apnea test is needed. Treating OSA poststroke remains challenging. Polysomnographic changes in sleep architecture following acute/subacute stroke may also impact upon stroke outcome.
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Affiliation(s)
- Atif Zafar
- Department of Neurology, University of Toronto, Toronto, ON, Canada
| | - Parth Dhruv
- Department of Neurology, Kaiser Permanente, Santa Clara, California, U.S.A
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23
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Wang XX, Feng Y, Tan EK, Ondo WG, Wu YC. Stroke-related restless legs syndrome: epidemiology, clinical characteristics and pathophysiology. Sleep Med 2022; 90:238-248. [DOI: 10.1016/j.sleep.2022.02.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/23/2022] [Accepted: 02/01/2022] [Indexed: 12/24/2022]
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Del Campo F, Arroyo CA, Zamarrón C, Álvarez D. Diagnosis of Obstructive Sleep Apnea in Patients with Associated Comorbidity. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1384:43-61. [PMID: 36217078 DOI: 10.1007/978-3-031-06413-5_4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Obstructive sleep apnea (OSA) is a heterogeneous disease with many physiological implications. OSA is associated with a great diversity of diseases, with which it shares common and very often bidirectional pathophysiological mechanisms, leading to significantly negative implications on morbidity and mortality. In these patients, underdiagnosis of OSA is high. Concerning cardiorespiratory comorbidities, several studies have assessed the usefulness of simplified screening tests for OSA in patients with hypertension, COPD, heart failure, atrial fibrillation, stroke, morbid obesity, and in hospitalized elders.The key question is whether there is any benefit in the screening for the existence of OSA in patients with comorbidities. In this regard, there are few studies evaluating the performance of the various diagnostic procedures in patients at high risk for OSA. The purpose of this chapter is to review the existing literature about diagnosis in those diseases with a high risk for OSA, with special reference to artificial intelligence-related methods.
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Affiliation(s)
- Félix Del Campo
- Pneumology Department, Río Hortega University Hospital, Valladolid, Spain
- Biomedical Engineering Group (GIB), University of Valladolid, Valladolid, Spain
- Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN). Instituto de Salud Carlos III, Madrid, Spain
| | - C Ainhoa Arroyo
- Pneumology Department, Río Hortega University Hospital, Valladolid, Spain
| | - Carlos Zamarrón
- Division of Respiratory Medicine, Hospital Clínico Universitario, Santiago de Compostela, Spain
| | - Daniel Álvarez
- Pneumology Department, Río Hortega University Hospital, Valladolid, Spain.
- Biomedical Engineering Group (GIB), University of Valladolid, Valladolid, Spain.
- Centro de Investigación Biomédica en Red en Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN). Instituto de Salud Carlos III, Madrid, Spain.
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Sleep and Stroke: Opening Our Eyes to Current Knowledge of a Key Relationship. Curr Neurol Neurosci Rep 2022; 22:767-779. [PMID: 36190654 PMCID: PMC9633474 DOI: 10.1007/s11910-022-01234-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2022] [Indexed: 01/27/2023]
Abstract
PURPOSE OF REVIEW To elucidate the interconnection between sleep and stroke. RECENT FINDINGS Growing data support a bidirectional relationship between stroke and sleep. In particular, there is strong evidence that sleep-disordered breathing plays a pivotal role as risk factor and concur to worsening functional outcome. Conversely, for others sleep disorders (e.g., insomnia, restless legs syndrome, periodic limb movements of sleep, REM sleep behavior disorder), the evidence is weak. Moreover, sleep disturbances are highly prevalent also in chronic stroke and concur to worsening quality of life of patients. Promising novel technologies will probably allow, in a near future, to guarantee a screening of commonest sleep disturbances in a larger proportion of patients with stroke. Sleep assessment and management should enter in the routinary evaluation of stroke patients, of both acute and chronic phase. Future research should focus on the efficacy of specific sleep intervention as a therapeutic option for stroke patients.
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Byun E, McCurry SM, Kim B, Kwon S, Thompson HJ. Sleep Disturbance and Self-management in Adults With Subarachnoid Hemorrhage: A Qualitative Study. Clin Nurs Res 2021; 31:632-638. [PMID: 34961352 DOI: 10.1177/10547738211064036] [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: 11/15/2022]
Abstract
Subarachnoid hemorrhage (SAH) survivors often experience sleep disturbances. Little is known about sleep-management practices used to improve their sleep. The purpose of this qualitative study was to explore interest in and engagement with self-management practices to promote sleep health in SAH survivors. We conducted a cross-sectional qualitative study using semi-structured interviews with a convenience sample of 30 SAH survivors recruited from a university hospital. We conducted content analysis of interview transcripts. Three themes and 15 subcategories were identified: (1) sleep disturbances (difficulties falling asleep, wake after sleep onset, daytime sleepiness, too much or insufficient sleep, and poor sleep quality); (2) sleep-management practices (exercise, regular sleep schedule, relaxation, keeping busy and staying active, changing beverage intake, taking supplements, taking medications, recharging energy, and barriers to sleep management); and (3) consulting with healthcare providers (discussing sleep problems with healthcare providers). Self-management strategies focusing on health-promoting behaviors may improve SAH survivors' sleep health.
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Affiliation(s)
| | | | - Boeun Kim
- University of Washington, Seattle, WA, USA
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Baillieul S, Dekkers M, Brill AK, Schmidt MH, Detante O, Pépin JL, Tamisier R, Bassetti CLA. Sleep apnoea and ischaemic stroke: current knowledge and future directions. Lancet Neurol 2021; 21:78-88. [PMID: 34942140 DOI: 10.1016/s1474-4422(21)00321-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 08/31/2021] [Accepted: 09/07/2021] [Indexed: 12/11/2022]
Abstract
Sleep apnoea, one of the most common chronic diseases, is a risk factor for ischaemic stroke, stroke recurrence, and poor functional recovery after stroke. More than half of stroke survivors present with sleep apnoea during the acute phase after stroke, with obstructive sleep apnoea being the most common subtype. Following a stroke, sleep apnoea frequency and severity might decrease over time, but moderate to severe sleep apnoea is nevertheless present in up to a third of patients in the chronic phase after an ischaemic stroke. Over the past few decades evidence suggests that treatment for sleep apnoea is feasible during the acute phase of stroke and might favourably affect recovery and long-term outcomes. Nevertheless, sleep apnoea still remains underdiagnosed and untreated in many cases, due to challenges in the detection and prediction of post-stroke sleep apnoea, uncertainty as to the optimal timing for its diagnosis, and a scarcity of clear treatment guidelines (ie, uncertainty on when to treat and the optimal treatment strategy). Moreover, the pathophysiology of sleep apnoea associated with stroke, the proportion of stroke survivors with obstructive and central sleep apnoea, and the temporal evolution of sleep apnoea subtypes following stroke remain to be clarified. To address these shortcomings, the management of sleep apnoea associated with stroke should be integrated into a multidisciplinary diagnostic, treatment, and follow-up strategy.
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Affiliation(s)
- Sébastien Baillieul
- Department of Neurology, Inselspital, University Hospital, Bern, Switzerland; Service Universitaire de Pneumologie Physiologie, Grenoble Alpes University Hospital, Grenoble, France; Inserm U1300, Grenoble Institute of Neurosciences, Université Grenoble Alpes, Grenoble, France
| | - Martijn Dekkers
- Department of Neurology, Inselspital, University Hospital, Bern, Switzerland
| | - Anne-Kathrin Brill
- Department of Pulmonary Medicine, Inselspital, University Hospital, Bern, Switzerland
| | - Markus H Schmidt
- Department of Neurology, Inselspital, University Hospital, Bern, Switzerland; Ohio Sleep Medicine Institute, Dublin, OH, USA
| | - Olivier Detante
- Stroke Unit, Neurology Department, Grenoble Alpes University Hospital, Grenoble, France; Inserm U1216, Grenoble Institute of Neurosciences, Université Grenoble Alpes, Grenoble, France
| | - Jean-Louis Pépin
- Service Universitaire de Pneumologie Physiologie, Grenoble Alpes University Hospital, Grenoble, France; Inserm U1300, Grenoble Institute of Neurosciences, Université Grenoble Alpes, Grenoble, France
| | - Renaud Tamisier
- Service Universitaire de Pneumologie Physiologie, Grenoble Alpes University Hospital, Grenoble, France; Inserm U1300, Grenoble Institute of Neurosciences, Université Grenoble Alpes, Grenoble, France
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Baillieul S, Bailly S, Detante O, Alexandre S, Destors M, Clin R, Dole M, Pépin JL, Tamisier R. Sleep-disordered breathing and ventilatory chemosensitivity in first ischaemic stroke patients: a prospective cohort study. Thorax 2021; 77:1006-1014. [PMID: 34772798 DOI: 10.1136/thoraxjnl-2021-218003] [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: 07/23/2021] [Accepted: 10/20/2021] [Indexed: 11/04/2022]
Abstract
RATIONALE Sleep-disordered breathing (SDB) is highly prevalent after stroke. The clinical and ventilatory chemosensitivity characteristics of SDB, namely obstructive, central and coexisting obstructive and central sleep apnoea (coexisting sleep apnoea) following stroke are poorly described. OBJECTIVE To determine the respective clinical and ventilatory chemosensitivity characteristics of SDB at least 3 months after a first ischaemic stroke. METHODS Cross-sectional analysis of a prospective, monocentric cohort conducted in a university hospital. 380 consecutive stroke or transient ischaemic attack patients were screened between December 2016 and December 2019. MEASUREMENTS AND MAIN RESULTS Full-night polysomnography, and hypercapnic ventilatory response were performed at a median (Q1; Q3) time from stroke onset of 134.5 (97.0; 227.3) days. 185 first-time stroke patients were included in the analysis. 94 (50.8%) patients presented no or mild SDB (Apnoea-Hypopnoea Index <15 events/hour of sleep) and 91 (49.2%) moderate to severe SDB, of which 52 (57.1%) presented obstructive sleep apnoea and 39 (42.9%) coexisting or central sleep apnoea. Obstructive sleep apnoea patients significantly differed regarding their clinical presentation from patients with no or mild SDB, whereas there was no difference with coexisting and central sleep apnoea patients. The latter presented a higher frequency of cerebellar lesions along with a heightened hypercapnic ventilatory response compared with no or mild SDB patients. CONCLUSION SDB in first-time stroke patients differ in their presentation by their respective clinical traits and ventilatory chemosensitivity characteristics. The heightened hypercapnic ventilatory response in coexisting and central sleep apnoea stroke patients may orientate them to specific ventilatory support.
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Affiliation(s)
- Sébastien Baillieul
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
| | - Sébastien Bailly
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
| | - Olivier Detante
- Stroke Unit, Neurology Department, Grenoble Alpes University Hospital, Grenoble, France.,Grenoble Institute of Neurosciences, Inserm U1216, Université Grenoble Alpes, Grenoble, France
| | - Sarah Alexandre
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
| | - Marie Destors
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
| | - Rita Clin
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
| | - Marjorie Dole
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
| | - Jean-Louis Pépin
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
| | - Renaud Tamisier
- Univ. Grenoble Alpes, Inserm, U1300, CHU Grenoble Alpes, Service Universitaire de Pneumologie Physiologie, 38000 Grenoble, France
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Effect of the Interaction between Depression and Sleep Disorders on the Stroke Occurrence: An Analysis Based on National Health and Nutritional Examination Survey. Behav Neurol 2021; 2021:6333618. [PMID: 34712368 PMCID: PMC8548119 DOI: 10.1155/2021/6333618] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/24/2021] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE To investigate the effect of the interaction between depression and sleep disorders on the stroke occurrence based on the data from the National Health and Nutritional Examination Survey (NHANES). METHODS Seven cycles of 2-year NHANES data (2005-2018) were analyzed in this study. Univariate analysis was first performed between the stroke and nonstroke patients, and then, multivariate logistic regression models were conducted to analyze the association of depression, sleep disorders, and their interactions with stroke occurrence. RESULTS A total of 30473 eligible participants were included in this study, including 1138 (3.73%) with stroke and 29335 (96.27%) with nonstroke. Except sex, the differences were all significant between the stroke and nonstroke patients in baseline information (all P < 0.001). Depression (odds ratio (OR): 2.494, 95% confidence interval (CI): 2.098-2.964), depression severity (moderate, OR: 2.013, 95% CI: 1.612-2.514; moderately severe, OR: 2.598, 95% CI: 1.930-3.496; severe, OR: 5.588, 95% CI: 3.883-8.043), and sleep disorders (OR: 1.677, 95% CI: 1.472-1.910) were presented to be associated with an increased risk of stroke after correcting all the confounders. The logistic regression analysis showed that there was a synergic, additive interaction between depression and sleep disorders on the stroke occurrence, and the proportion of stroke patients caused by this interaction accounted for 27.1% of all the stroke patients. CONCLUSION Depression, depression severity, and sleep disorders are all independently associated with a high risk of stroke. The interaction between depression and sleep disorders can synergistically increase the stroke occurrence.
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Questionnaire and Portable Sleep Test Screening of Sleep Disordered Breathing in Acute Stroke and TIA. J Clin Med 2021; 10:jcm10163568. [PMID: 34441863 PMCID: PMC8396899 DOI: 10.3390/jcm10163568] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/17/2021] [Accepted: 07/20/2021] [Indexed: 12/27/2022] Open
Abstract
Sleep disordered breathing (SDB) is highly prevalent, but frequently unrecognized among stroke patients. Polysomnography (PSG) is difficult to perform soon after a stroke. We evaluated the use of screening questionnaires and portable sleep testing (PST) for patients with acute stroke, subarachnoid hemorrhage, or transient ischemic attack to expedite SDB diagnosis and management. We performed a single-center retrospective analysis of a quality improvement study on SDB screening of consecutive daytime, weekday, adult admissions to a stroke unit. We excluded patients who were unable to communicate and lacked available family members. Patients were screened with the Epworth Sleepiness Scale, Berlin Questionnaire, and STOP-BANG Questionnaire and underwent overnight PST and/or outpatient PSG. The 4-item STOP Questionnaire was derived from STOP-BANG for a secondary analysis. We compared the sensitivity and specificity of the questionnaires for the diagnosis of at least mild SDB (apnea hypopnea index (AHI) ≥5) on PST and correlated AHI measurements between PST and PSG using the Spearman correlation. Out of sixty-eight patients included in the study, 54 (80%) were diagnosed with SDB. Only one (1.5%) had a previous SDB diagnosis. Thirty-three patients completed all questionnaires and a PST. The STOP-BANG questionnaire had the highest sensitivity for at least mild SDB (0.81, 95% CI (confidence interval): 0.65–0.92) but a low specificity (0.33, 95% CI 0.10, 0.65). The discrimination of all questionnaires was overall poor (C statistic range 0.502–0.640). There was a strong correlation (r = 0.71) between the AHI results estimated using PST and outpatient PSG among 28 patients. The 4-item STOP Questionnaire was the easiest to administer and had a comparable or better sensitivity than the other questionnaires. Inpatient PSTs were useful for screening in the acute setting to facilitate an early diagnosis of SDB and to establish further outpatient evaluations with sleep medicine.
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Benjamin SE. Sleep in Patients With Neurologic Disease. ACTA ACUST UNITED AC 2021; 26:1016-1033. [PMID: 32756234 DOI: 10.1212/con.0000000000000887] [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: 11/15/2022]
Abstract
PURPOSE OF REVIEW This article provides a discussion of the current evidence and contemporary views on the relationship between sleep disorders and neurologic disease. RECENT FINDINGS Disrupted or disordered sleep can be associated with increased morbidity and mortality, the risk of cardiovascular events, increased seizure frequency, and altered immune responses. Studies have implicated disrupted sleep and circadian rhythm dysfunction with both amyloid-β (Aβ) deposition and tau deposition. A bidirectional relationship exists between disrupted sleep and the progression of Alzheimer disease pathology. Insomnia has been reported as a prodromal symptom in autoimmune encephalitis. Primary sleep disorders have now been increasingly recognized as a common comorbid condition in multiple sclerosis, making it imperative that neurologists feel comfortable differentiating multiple sclerosis fatigue from excessive daytime sleepiness caused by primary sleep disorders to optimally treat their patients. SUMMARY Sleep disorders are common across the population. By recognizing sleep disorders in patients with neurologic conditions, neurologists can provide comprehensive care and, in some cases, reduce neurologic disease burden.
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Abstract
PURPOSE OF REVIEW Stroke and sleep apnea are highly prevalent conditions with a physiologically plausible bidirectional relationship. This review addresses prestroke sleep apnea, wake-up stroke and sleep apnea, and poststroke sleep apnea, with an attempt to highlight research published in the last 18 months. RECENT FINDINGS Sleep apnea is highly prevalent poststroke. Poststroke sleep apnea is associated with worse poststroke functional and cognitive outcomes and a higher risk of recurrent stroke. Physiologic tests are needed to diagnose sleep apnea in poststroke patients as sleep apnea questionnaires do not perform well in this population. The role of CPAP in poststroke management is not yet well established. SUMMARY Sleep apnea is a well established independent risk factor for stroke that confers an approximately two-fold increased risk of incident stroke. Sleep apnea is highly prevalent poststroke and is associated with worse outcomes after stroke. Sleep apnea is an attractive target for research addressing secondary stroke prevention and recovery.
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Leino A, Nikkonen S, Kainulainen S, Korkalainen H, Töyräs J, Myllymaa S, Leppänen T, Ylä-Herttuala S, Westeren-Punnonen S, Muraja-Murro A, Jäkälä P, Mervaala E, Myllymaa K. Neural network analysis of nocturnal SpO 2 signal enables easy screening of sleep apnea in patients with acute cerebrovascular disease. Sleep Med 2020; 79:71-78. [PMID: 33482455 DOI: 10.1016/j.sleep.2020.12.032] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 12/16/2020] [Accepted: 12/28/2020] [Indexed: 10/22/2022]
Abstract
Current diagnostics of sleep apnea relies on the time-consuming manual analysis of complex sleep registrations, which is impractical for routine screening in hospitalized patients with a high probability for sleep apnea, e.g. those experiencing acute stroke or transient ischemic attacks (TIA). To overcome this shortcoming, we aimed to develop a convolutional neural network (CNN) capable of estimating the severity of sleep apnea in acute stroke and TIA patients based solely on the nocturnal oxygen saturation (SpO2) signal. The CNN was trained with SpO2 signals derived from 1379 home sleep apnea tests (HSAT) of suspected sleep apnea patients and tested with SpO2 signals of 77 acute ischemic stroke or TIA patients. The CNN's performance was tested by comparing the estimated respiratory event index (REI) and oxygen desaturation index (ODI) with manually obtained values. Median estimation errors for REI and ODI in patients with stroke or TIA were 1.45 events/hour and 0.61 events/hour, respectively. Furthermore, based on estimated REI and ODI, 77.9% and 88.3% of these patients were classified into the correct sleep apnea severity categories. The sensitivity and specificity to identify sleep apnea (REI > 5 events/hour) were 91.8% and 78.6%, respectively. Moderate-to-severe sleep apnea was detected (REI > 15 events/hour) with sensitivity of 92.3% and specificity of 96.1%. The CNN analysis of the SpO2 signal has great potential as a simple screening tool for sleep apnea. This novel automatic method accurately detects sleep apnea in acute cerebrovascular disease patients and facilitates their referral for a differential diagnostic HSAT or polysomnography evaluation.
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Affiliation(s)
- Akseli Leino
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.
| | - Sami Nikkonen
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Samu Kainulainen
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Henri Korkalainen
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Juha Töyräs
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland; School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane, Australia
| | - Sami Myllymaa
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Timo Leppänen
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Salla Ylä-Herttuala
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland
| | - Susanna Westeren-Punnonen
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland
| | - Anu Muraja-Murro
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland
| | - Pekka Jäkälä
- Department of Neurology, NeuroCenter, Kuopio University Hospital, Kuopio, Finland; Department of Neurology, University of Eastern Finland, Kuopio, Finland
| | - Esa Mervaala
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Clinical Neurophysiology, University of Eastern Finland, Kuopio, Finland
| | - Katja Myllymaa
- Department of Clinical Neurophysiology, Diagnostic Imaging Center, Kuopio University Hospital, Kuopio, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
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Byun E, Kohen R, Becker KJ, Kirkness CJ, Khot S, Mitchell PH. Stroke impact symptoms are associated with sleep-related impairment. Heart Lung 2019; 49:117-122. [PMID: 31839325 DOI: 10.1016/j.hrtlng.2019.10.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 10/16/2019] [Accepted: 10/23/2019] [Indexed: 12/25/2022]
Abstract
BACKGROUND Sleep-related impairment is a common but under-appreciated complication after stroke and may impede stroke recovery. Yet little is known about factors associated with sleep-related impairment after stroke. OBJECTIVE The purpose of this analysis was to examine the relationship between stroke impact symptoms and sleep-related impairment among stroke survivors. METHODS We conducted a cross-sectional secondary analysis of a baseline (entry) data in a completed clinical trial with 100 community-dwelling stroke survivors recruited within 4 months after stroke. Sleep-related impairment and stroke impact domain symptoms after stroke were assessed with the Patient-Reported Outcomes Measurement Information System Sleep-Related Impairment scale and the Stroke Impact Scale, respectively. A multivariate regression was computed. RESULTS Stroke impact domain-mood (B = -0.105, t = -3.263, p = .002) - and fatigue (B = 0.346, t = 3.997, p < .001) were associated with sleep-related impairment. CONCLUSIONS Our findings suggest that ongoing stroke impact symptoms are closely related to sleep-related impairment. An intervention targeting both stroke impact symptoms and sleep-related impairment may be useful in improving neurologic recovery and quality of life in stroke survivors.
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Affiliation(s)
- Eeeseung Byun
- Department of Biobehavioral Nursing and Health Informatics, University of Washington, Seattle, WA, USA.
| | - Ruth Kohen
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA, USA
| | - Kyra J Becker
- Department of Neurology, University of Washington, Seattle, WA, USA
| | - Catherine J Kirkness
- Department of Biobehavioral Nursing and Health Informatics, University of Washington, Seattle, WA, USA
| | - Sandeep Khot
- Department of Neurology, University of Washington, Seattle, WA, USA
| | - Pamela H Mitchell
- Department of Biobehavioral Nursing and Health Informatics, University of Washington, Seattle, WA, USA
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Kotzian ST, Saletu MT, Schwarzinger A, Haider S, Spatt J, Kranz G, Saletu B. Proactive telemedicine monitoring of sleep apnea treatment improves adherence in people with stroke– a randomized controlled trial (HOPES study). Sleep Med 2019; 64:48-55. [DOI: 10.1016/j.sleep.2019.06.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/13/2019] [Accepted: 06/05/2019] [Indexed: 10/26/2022]
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Affiliation(s)
- Sandeep P Khot
- From the Department of Neurology, University of Washington School of Medicine, Seattle (S.P.K.)
| | - Lewis B Morgenstern
- Stroke Program, Medical School, and the Center for Social Epidemiology and Population Health, School of Public Health, University of Michigan, Ann Arbor (L.B.M.)
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Clinical phenotypes of obstructive sleep apnea after ischemic stroke: a cluster analysis. Sleep Med 2019; 60:178-181. [PMID: 31186211 DOI: 10.1016/j.sleep.2019.04.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/03/2019] [Accepted: 04/05/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Obstructive sleep apnea (OSA) is highly prevalent in patients with ischemic stroke. Untreated OSA is associated with an increased risk of cardiovascular morbidity and OSA treatment may improve neurological recovery in stroke survivors, yet OSA in stroke patients remains poorly characterized. The goal of this study is to identify clinical phenotypes of ischemic stroke patients with OSA. METHODS Participants (n = 451) with ischemic strokes and OSA (respiratory-event-index, (REI) ≥ 10/hour based on home sleep apnea testing) were identified from the Brain Attack Surveillance in Corpus Christi (BASIC) project. Latent class analysis was performed based on the following variables: age, sex, race/ethnicity, REI, pre-stroke snoring, pre-stroke tiredness/fatigue, pre-stroke sleep duration, prior stroke history, NIHSS at presentation, body mass index (BMI), hypertension, diabetes, atrial fibrillation, coronary artery disease, and chronic heart failure. RESULTS A model with three phenotype clusters provided the best fit. Cluster 1 (n = 55, 12%) was defined by higher NIHSS scores. Participants in cluster 2 (n = 253, 56%) were younger and had relatively low NIHSS scores. Cluster 3 (n = 143, 32%) included participants with severe OSA and higher prevalence of medical comorbidities. CONCLUSION Ischemic stroke survivors with OSA can be categorized into three clinical phenotype clusters characterized by differences in stroke severity, OSA severity, age and medical comorbidities. This highlights the heterogeneity of post-stroke OSA. Awareness of the different faces of OSA in patients with ischemic stroke may help clinicians identify OSA in their patients, and inform research concerning the pathophysiology, treatment and prognostic impact of post-stroke OSA.
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