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Mostrando 421 - 440 Resultados de 573 Para Buscar '"oxyhemoglobin"', tiempo de consulta: 0.17s Limitar resultados
  1. 421
    “…Primary rat brain neurons were treated with oxyhemoglobin to verify the association between Dexras1 and cAMP-CREB. …”
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    Dexras1 Induces Dysdifferentiation of Oligodendrocytes and Myelin Injury by Inhibiting the cAMP-CREB Pathway after Subarachnoid Hemorrhage
  2. 422
    “…The relative concentration changes of oxyhemoglobin were significantly higher during premusic conditions than music stimulation and postmusic Stroop. …”
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    Effects of long-term COVID-19 confinement and music stimulation on mental state and brain activity of young people
  3. 423
    “…Exercise load, rating of perceived exertion (RPE), metabolic function (saturation of percutaneous oxygen; SpO(2), minute ventilation; oxygen uptake; VO(2), carbon dioxide excretion; respiratory exchange ratio; RER, and oxygen pulse), skeletal muscle oxygen profiles (oxyhemoglobin, oxhb, deoxyhemoglobin, dxhb, total hemoglobin, and tissue oxygenation index; StO(2)), and cardiac function (heart rate, stroke volume, cardiac output, end-diastolic volume, end-systolic volume, and ejection fraction) were measured during endurance exercise. …”
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    Effects of Acute Moderate Hypoxia versus Normoxia on Metabolic and Cardiac Function and Skeletal Muscle Oxygenation during Endurance Exercise at the Same Heart Rate Level
  4. 424
    “…There was also a correlation between latency for rapid-eye-movement sleep (REM_LAT) and total sitting time (0.103; P = 0.047) and a negative correlation between mean oxyhemoglobin saturation (SaO_Avg) and total PA time (-0.103; P = 0.048). …”
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    Are physical inactivity, sitting time and screen time associated with obstructive sleep apnea in adults? A cross-sectional study
  5. 425
    “…Nonsupine sleep time, total AHI, rapid eye movement (REM) AHI, non-REM (NREM) AHI, supine AHI, nonsupine AHI, left and right AHI, mean oxyhemoglobin saturation (SpO(2)) awake, mean REM and NREM SpO(2), SpO(2) nadir, and time SpO(2) below 90% were significantly lower among POSA patients. …”
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    Comparing the characteristics of positional and nonpositional sleep apnea patients among the Jordanian population
  6. 426
    “…By using the episode averaged standard deviation of the oxyhemoglobin concentration changes as features that were fed into a Support Vector Machine; we then showed that the accuracy of subsets of optical channels in predicting the presence and severity of AD was significantly above chance. …”
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    Screening for Alzheimer's disease using prefrontal resting-state functional near-infrared spectroscopy
  7. 427
    “…RESULTS: Pairwise comparisons of the concentrations of oxyhemoglobin (HbO), deoxyhemoglobin (HbR), and hemoglobin (HbT) revealed significant differences in the aforementioned positions. …”
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    Low-dissipation optimization of the prefrontal cortex in the −12° head-down tilt position: A functional near-infrared spectroscopy study
  8. 428
    “…Here we find differential gene expression by blood cell type in relation to SDB traits and link P2XR4 expression to average oxyhemoglobin saturation during sleep and butyrylcarnitine (C4) levels. …”
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    An integrated multi-omics analysis of sleep-disordered breathing traits implicates P2XR4 purinergic signaling
  9. 429
    “…Alkalemia, hypokalemia, decreased calcium and increased hemoglobin–O(2) affinity (leftward shift in the oxyhemoglobin dissociation curve) were evident at the end of hemodialysis. pH and hemoglobin–O(2) affinity at the start of hemodialysis increased incrementally over the course of a standard treatment week. …”
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    Hypoxia during maintenance hemodialysis—the critical role of pH
  10. 430
    “…Furthermore, we demonstrate that XO degrades oxyhemoglobin and releases free hemin and iron in a hydrogen peroxide-dependent manner. …”
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    Release of hepatic xanthine oxidase (XO) to the circulation is protective in intravascular hemolytic crisis
  11. 431
    “…There was a progressive improvement, with a decrease in the indexes (AHI and RDI) and in the percentage of time with peripheral oxyhemoglobin saturation below 90% (tSpO < 90%), and an increase in nadir of SpO2. …”
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    Immediate and Medium-Term Follow-Up of Patients with Obstructive Sleep Apnea Undergoing Pharyngeal and Nasal Surgery: A Pilot Study
  12. 432
    “…BACKGROUND: Restrictive ventilatory defects and elevated pulmonary artery pressure (PAP) are common in patients with chronic heart failure (CHF) and those with interstitial lung disease (ILD). However, as oxyhemoglobin desaturation seldom occurs in stable CHF patients at peak exercise, we hypothesized that the pathophysiology may be different between them. …”
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    Resting pulmonary function and artery pressure and cardiopulmonary exercise testing in chronic heart failure patients in Taiwan − a prospective observational cross-sectional study comparing healthy subjects and interstitial lung disease patients
  13. 433
    “…Pulmonary hemodynamics (mean pulmonary arterial pressure (mPAP), pulmonary arterial wedge pressure (PAWP), pulmonary vascular resistance (PVR) measured with right heart catheterization (RHC)), PSG variables (apnea–hypopnea index (AHI)), lung function and carbon monoxide diffusion capacity (DLCO) values, as well as demographics and comorbidities were entered into a logistic regression model to address the determinants of severe NH (nocturnal oxyhemoglobin saturation (SpO(2)) < 90% under >20% of total sleep time (TST)). …”
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    Determinants of Severe Nocturnal Hypoxemia in Adults with Chronic Thromboembolic Pulmonary Hypertension and Sleep-Related Breathing Disorders
  14. 434
    “…OUTCOME MEASURES: A two-channel near-infrared spectroscopy system was used to measure the changes in oxyhemoglobin (oxy-Hb) concentrations in the bilateral prefrontal cortex. …”
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    Relaxation Effect of Nature Sound Exposure on Gambling Disorder Patients: A Crossover Study
  15. 435
    “…Presented results allow simultaneous identification of oxy- and deoxy-Hb, where 1547 and 1604 cm(−1) vibrations correspond to deoxygenated hemoglobin, while 1585 and 1638 cm(−1) correspond to oxyhemoglobin, respectively. Our results extend knowledge of oxidation and oxygenation effects in heme proteins. …”
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    Hemoglobin and cytochrome c. reinterpreting the origins of oxygenation and oxidation in erythrocytes and in vivo cancer lung cells
  16. 436
    “…The dorsolateral prefrontal region was monitored simultaneously with functional near-infrared spectroscopy (fNIRS), and activation was analyzed according to the curve-type changes of oxyhemoglobin and deoxyhemoglobin changes in the dorsolateral prefrontal cortex with 560 near-infrared monitoring channels. …”
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    Prefrontal activation in response to a plantar contact task under open and closed eye conditions in patients with cerebral infarction
  17. 437
    “…This included measuring blood flow velocity using transcranial Doppler (TCD) ultrasound, oxyhemoglobin concentration using functional near infrared spectroscopy imaging (fNIRS), and upper extremity dual-task (UEF) neurocognitive testing. …”
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    Hyper-acute effects of sub-concussive soccer headers on brain function and hemodynamics
  18. 438
    “…The fNIRS response most resembling the adult pattern (positive) in PA occurred during auditory stimulation, in which oxyhemoglobin (HbO) increased, and deoxyhemoglobin (HbR) decreased. …”
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    Functional neuroimaging of responses to multiple sensory stimulations in newborns with perinatal asphyxia
  19. 439
    “…Results: OS patients were older (p < 0.001) and had worse hypoxemic parameters, namely average oxyhemoglobin saturation (SpO2) (p = 0.002) and time spent with SpO2 < 90% (p = 0.003) during sleep as well as daytime pO2 (p < 0.001), than patients with OSA. …”
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    Is COPD the Determinant Factor for Myocardial Injury and Cardiac Wall Stress in OSA Patients?
  20. 440
    “…Peripheral circulation was evaluated with the Astrim (Sysmex, Kobe), a portable non-invasive monitoring device using the principle of near-infrared spectroscopy, which calculates the venous oxygenation index (VOI) based on the ratio of light absorption of oxyhemoglobin and deoxyhemoglobin, a proven reliable indicator of peripheral blood circulation. …”
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    Lower peripheral circulation in eumenorrheic young women with premenstrual symptoms
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