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9 results for “adaptive servoventilation”
Modified Adaptive Servoventilation (ASV) Compared to Conventional ASV
ClinicalTrials.gov study NCT01405313. IPD Sharing: NO. Countries: 1. Publications: 6.
Benefit of One Month Zopiclone Intake on Adaptative Servoventilation Compliance
ClinicalTrials.gov study NCT02820441. IPD Sharing: NO. Countries: 1. Publications: 38.
Data from: Cognitive function and mood at high altitude following acclimatization and use of supplemental oxygen and adaptive servoventilation sleep treatments
Impairments in cognitive function, mood, and sleep quality occur following ascent to high altitude. Low oxygen (hypoxia) and poor sleep quality are both linked to impaired cognitive performance but their independent contributions at high altitude remain unknown. Adaptive servoventilation (ASV) improves sleep quality by stabilizing breathing and preventing central apneas without supplemental oxygen. We compared the efficacy of ASV and supplemental oxygen sleep treatments for improving daytime cognitive function and mood in high-altitude visitors (N = 18) during acclimatization to 3,800 m. Each night, subjects were randomly provided with ASV, supplemental oxygen (SpO₂ > 95%), or no treatment. Each morning subjects completed a series of cognitive function tests and questionnaires to assess mood and multiple aspects of cognitive performance. We found that both ASV and supplemental oxygen (O2) improved daytime feelings of confusion (ASV: p < 0.01; O₂: p < 0.05) and fatigue (ASV: p < 0.01; O₂: p < 0.01) but did not improve other measures of cognitive performance at high altitude. However, performance improved on the trail making tests (TMT) A and B (p < 0.001), the balloon analog risk test (p < 0.0001), and the psychomotor vigilance test (p < 0.01) over the course of three days at altitude after controlling for effects of sleep treatments. Compared to sea level, subjects reported higher levels of confusion (p < 0.01) and performed worse on the TMT A (p < 0.05) and the emotion recognition test (p < 0.05) on nights when they received no treatment at high altitude. These results suggest that stabilizing breathing (ASV) or increasing oxygenation (supplemental oxygen) during sleep can reduce feelings of fatigue and confusion but that daytime hypoxia may play a larger role in other cognitive impairments reported at high altitude. Furthermore, this study provides evidence that some aspects of cognition (executive control, risk inhibition, sustained attention) improve with acclimatization.
Effectiveness of Adaptive Servoventilation (ASV) in Patients With Central Sleep Apnea Due to Chronic Opioid Use
ClinicalTrials.gov study NCT01462084. IPD Sharing: NO. Countries: 1. Publications: 0.
Data from: Cognitive function and mood at high altitude following acclimatization and use of supplemental oxygen and adaptive servoventilation sleep treatments
Open the record for dataset details and reuse information.
Comparison of Modified With Conventional Adaptive Servoventilation Processes
ClinicalTrials.gov study NCT01037439. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effects of Adaptive Servoventilation in Patients With Systolic Heart Failure and Sleep-Disordered Breathing
ClinicalTrials.gov study NCT01657188. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Mechanisms of Action of Adaptive Servoventilation
ClinicalTrials.gov study NCT00976417. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Adaptive Servoventilation on Cardiac Function in Chronic Heart Failure and Cheyne-Stokes Respiration
ClinicalTrials.gov study NCT01212705. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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