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Home sleep test

L Battista
Home mechanical ventilation is the treatment of patients with respiratory failure or insufficiency by means of a mechanical ventilator at a patient's home. In order to allow remote patient monitoring, several tele-monitoring systems have been introduced in the last few years. However, most of them usually do not allow real-time services, as they have their own proprietary communication protocol implemented and some ventilation parameters are not always measured. Moreover, they monitor only some breaths during the whole day, despite the fact that a patient's respiratory state may change continuously during the day...
September 2016: Review of Scientific Instruments
Julio Fernandez-Mendoza
PURPOSE OF REVIEW: It was first proposed in the late 1990s that objective markers of sleep disturbance could serve as an index of the biological severity of insomnia. In 2013, a heuristic model of two insomnia phenotypes based on objective sleep duration was proposed. Herein, we review the studies conducted in the past 3 years on the insomnia with short sleep duration phenotype and its implications for a clinical research agenda. RECENT FINDINGS: Studies have shown that insomnia with objective short sleep duration is associated with physiologic hyperarousal and cardiometabolic and neurocognitive morbidity, whereas insomnia with normal sleep duration is not...
October 18, 2016: Current Opinion in Psychiatry
Ingo Fietze, Charlotte Barthe, Matthias Hölzl, Martin Glos, Sandra Zimmermann, Ralf Bauer-Diefenbach, Thomas Penzel
INTRODUCTION: Noise is one of the factors that can seriously disturb sleep, and sound volume is an important factor in this context. One strategy involves avoiding exposure to sounds in the night, while entail the minimization of background noise in a bedroom. The goal of this study was to investigate the effect of systematic sound attenuation on nocturnal sleep by influencing sound volume and reverberation within the context of room acoustics. MATERIALS AND METHODS: On this basis, we designed a randomized, controlled crossover trial investigating 24 healthy sleepers (15 men and 9 women, aged 24...
September 2016: Noise & Health
Adam C Raikes, Sydney Y Schaefer
STUDY OBJECTIVES: A number of subjective and objective studies provide compelling evidence of chronic postconcussion changes in sleep, yet very little is known about the acute effects of concussion on sleep quality and quantity. Therefore, the purpose of this prospective pilot study was to use actigraphy to examine the changes in sleep quality and quantity acutely following concussion at home rather than in a hospital or sleep laboratory. METHODS: Seventeen young adults (7 with acute concussion, 10 controls) were recruited for this study...
October 10, 2016: Sleep
Jaspal Singh, R K Sharma, A K Gupta
Computers are used extensively in sleep labs for polysomnography and for assistance in sleep staging. However, the test is highly inconvenient to the patient and requires availability of specially equipped sleep labs. Alternative approaches that enable unobtrusive in-home sleep staging with ECG or other signals are highly desirable. In this paper we describe a method that can be used for distinction of REM and NREM sleep stages using spectral and non-linear features of ECG derived RR interval series. To test the accuracy of the system, we extracted the RR interval series from sleep studies of 20 young healthy individuals...
September 23, 2016: Computers in Biology and Medicine
Christopher C Angelakos, Adam J Watson, W Timothy O'Brien, Kyle S Krainock, Thomas Nickl-Jockschat, Ted Abel
Sleep disturbances and hyperactivity are prevalent in several neurodevelopmental disorders, including autism spectrum disorders (ASDs) and attention deficit-hyperactivity disorder (ADHD). Evidence from genome-wide association studies indicates that chromosomal copy number variations (CNVs) are associated with increased prevalence of these neurodevelopmental disorders. In particular, CNVs in chromosomal region 16p11.2 profoundly increase the risk for ASD and ADHD, disorders that are more common in males than females...
October 14, 2016: Autism Research: Official Journal of the International Society for Autism Research
Lianne M Tomfohr-Madsen, Tavis S Campbell, Gerald F Giesbrecht, Nicole L Letourneau, Linda E Carlson, Joshua W Madsen, Sona Dimidjian
BACKGROUND: Clinically significant psychological distress in pregnancy is common, with epidemiological research suggesting that between 15 and 25 % of pregnant women experience elevated symptoms of stress, anxiety, and depression. Untreated psychological distress in pregnancy is associated with poor obstetrical outcomes, changes in maternal physiology, elevated incidence of child physical and psychological disorders, and is predictive of maternal postpartum mood disorders. Despite the wide-ranging impact of antenatal psychological distress on mothers and their children, there is a gap in our knowledge about the most effective treatments that are available for psychological distress experienced in pregnancy...
October 13, 2016: Trials
Mark I Boulos, Sara Elias, Anthony Wan, James Im, Fadi Frankul, Mina Atalla, Sandra E Black, Vincenzo S Basile, Arun Sundaram, Julia J Hopyan, Karl Boyle, David J Gladstone, Richard H Swartz, Brian J Murray
BACKGROUND: Home sleep apnea testing (HSAT) is an alternative to polysomnography for the detection of obstructive sleep apnea (OSA). We assessed the feasibility of HSAT as an unattended screening tool for patients with a stroke or transient ischemic attack (TIA). AIMS: The primary outcome was the feasibility of unattended HSAT, as defined by analyzability of the data. Secondary outcomes included determining (1) predictors of obtaining nonanalyzable sleep data and (2) time to OSA detection and continuous positive airway pressure (CPAP) initiation...
October 4, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Ying Y Zhao, Jia Weng, Daniel R Mobley, Rui Wang, Younghoon Kwon, Phyllis C Zee, Pamela L Lutsey, Susan Redline
STUDY OBJECTIVES: Type 3 home sleep apnea tests may underestimate the apnea-hypopnea index (AHI) due to overestimation of total sleep time (TST). We aimed to evaluate the effect of manual editing of the total recording time (TRT) on the TST and AHI. METHODS: Thirty 15-channel in-home polysomnography studies (AHI 0 to 30 events/h) scored using American Academy of Sleep Medicine criteria were rescored by two blinded polysomnologists after data from electroencephalogram, electrooculogram, and electromyogram were masked...
September 29, 2016: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
Pui-San Loh, Mohd Azlan Ariffin, Vineya Rai, Lee-Lee Lai, Lucy Chan, Norlisah Ramli
STUDY OBJECTIVE: To determine the efficacy of sedation with dexmedetomidine compared to propofol for claustrophobic adults undergoing magnetic resonance imaging (MRI) in our institution. DESIGN: Randomized, prospective, double-blinded study. SETTING: University-based tertiary referral center. PATIENTS: Thirty claustrophobic adults with American Society of Anesthesiologists physical status I and II who were planned for MRI...
November 2016: Journal of Clinical Anesthesia
Margaret J Trost, Melissa Cowell, Jennifer Cannon, Kendra Mitchell, Kevin Waloff, Humberto Avila, Sanjay Chand, Christopher J Russell
PURPOSE: Children with sleep apnea may be at increased risk for overnight respiratory events (ORE) following anesthesia. We sought to identify ORE risk factors in sleep apnea patients sedated for magnetic resonance imaging (MRI). METHODS: One thousand four hundred seven hospitalizations for children with sleep apnea (by ICD-9 code) occurred at our institution from 5/1/2011 to 2/1/2015. One hundred twenty-seven (9 %) encounters were solely for post-MRI observation representing 96 unique patients...
September 28, 2016: Sleep & Breathing, Schlaf & Atmung
Ioulietta Lazarou, Anastasios Karakostas, Thanos G Stavropoulos, Theodoros Tsompanidis, Georgios Meditskos, Ioannis Kompatsiaris, Magda Tsolaki
BACKGROUND: Assistive technology, in the form of a smart home environment, is employed to support people with dementia. OBJECTIVES: To propose a system for continuous and objective remote monitoring of problematic daily living activity areas and design personalized interventions based on system feedback and clinical observations for improving cognitive function and health-related quality of life. METHODS: The assistive technology of the proposed system, including wearable, sleep, object motion, presence, and utility usage sensors, was methodically deployed at four different home installations of people with cognitive impairment...
October 18, 2016: Journal of Alzheimer's Disease: JAD
Michael Semelka, Jonathan Wilson, Ryan Floyd
Obstructive sleep apnea is a common disorder that causes patients to temporarily stop or decrease their breathing repeatedly during sleep. This results in fragmented, nonrestful sleep that can lead to symptoms such as morning headache and daytime sleepiness. Obstructive sleep apnea affects persons of all ages, with an increasing prevalence in those older than 60 years. The exact prevalence is unknown but is estimated to be between 2% and 14%. There are many health conditions associated with obstructive sleep apnea, including hypertension, coronary artery disease, cardiac arrhythmias, and depression...
September 1, 2016: American Family Physician
Mohammad Farajzadeh, Meimanat Hosseini, Jamileh Mohtashami, Samira Chaibakhsh, Mansoureh Zagheri Tafreshi, Reza Ghanei Gheshlagh
BACKGROUND: Depression is the most frequent psychiatric disorder among the elderly. Obstructive sleep apnea (OSA) is a chronic and prevalent disease that has an ambiguous role in triggering depression. Several researches with contradictory findings have been performed about the association between OSA and depression. OBJECTIVES: This study aimed to investigate the association between OSA and depression among elderly. PATIENTS AND METHODS: A total of 350 home residing elderly took part in this case-control study...
June 2016: Nursing and Midwifery Studies
H Hinkka, S Väättänen, S Ala-Peijari, T Nummi
OBJECTIVES: To evaluate the safety and effects of a new home treatment method, a whole-body cold mist treatment, on patients with chronic inflammatory arthritis. METHOD: Whole-body cold mist shower therapy was given to 121 voluntary patients with chronic inflammatory arthritis in this crossover study during 1-week rehabilitation periods. Pain and sleep quality were assessed by a 10-cm visual analogue scale (VAS). Mental status was assessed by the Depression Scale (DEPS)...
August 30, 2016: Scandinavian Journal of Rheumatology
Yue Leng, Terri Blackwell, Katie L Stone, Tina D Hoang, Susan Redline, Kristine Yaffe
STUDY OBJECTIVES: To examine the association between periodic limb movements in sleep (PLMS) and change in selected aspects of cognition in community-dwelling older men. METHODS: We studied 2,636 older men without dementia who underwent in-home polysomnography with measurement of the periodic limb movement index (PLMI) and periodic limb movement arousal index (PLMAI) using piezoelectric sensors. Random-effects models and logistic regression were used to examine the association between PLMI, PLMAI, and 3- to 4-y change in cognition...
October 1, 2016: Sleep
Scott B Boyd, Raghu Upender, Arthur S Walters, R Lucas Goodpaster, Jeffrey J Stanley, Li Wang, Rameela Chandrasekhar
STUDY OBJECTIVES: To assess a new measure of positive airway pressure (PAP) effectiveness, the Effective AHI, which accounts for sleep disordered breathing events during the time PAP is (PAP On) and is not (PAP Off) being used. A secondary aim was to test the accuracy of the Watch-PAT 200 (WP) portable monitor for measurement of the Effective AHI. METHODS: A prospective two-center cohort study design was used to evaluate patients who had been prescribed PAP therapy for ≥2 months...
August 19, 2016: Sleep
Evan D Chinoy, Michael P Harris, Min Ju Kim, Wei Wang, Jeanne F Duffy
OBJECTIVES: We tested whether a sleep and circadian-based treatment shown to improve circadian adaptation to night shifts and attenuate negative effects on alertness, performance and sleep in young adults would also be effective in older adults. METHODS: We assessed subjective alertness, sustained attention (psychomotor vigilance task, PVT), sleep duration (actigraphy) and circadian timing (salivary dim-light melatonin onset, DLMO) in 18 older adults (57.2±3.8 years; mean±SD) in a simulated shift work protocol...
August 25, 2016: Occupational and Environmental Medicine
Da Woon Jung, Su Hwan Hwang, Yu Jin Lee, Do-Un Jeong, Kwang Suk Park
BACKGROUND: Nocturnal hypoxemia, characterized by abnormally low oxygen saturation levels in arterial blood during sleep, is a significant feature of various pathological conditions. The oxygen desaturation index, commonly used to evaluate the nocturnal hypoxemia severity, is acquired using nocturnal pulse oximetry that requires the overnight wear of a pulse oximeter probe. OBJECTIVES: This study aimed to suggest a method for the unconstrained estimation of the oxygen desaturation index...
2016: Respiration; International Review of Thoracic Diseases
Marilyn Moro, Balaji Goparaju, Jelina Castillo, Yvonne Alameddine, Matt T Bianchi
INTRODUCTION: Periodic limb movements of sleep (PLMS) may increase cardiovascular and cerebrovascular morbidity. However, most people with PLMS are either asymptomatic or have nonspecific symptoms. Therefore, predicting elevated PLMS in the absence of restless legs syndrome remains an important clinical challenge. METHODS: We undertook a retrospective analysis of demographic data, subjective symptoms, and objective polysomnography (PSG) findings in a clinical cohort with or without obstructive sleep apnea (OSA) from our laboratory (n=443 with OSA, n=209 without OSA)...
2016: Nature and Science of Sleep
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