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Mostrando 501 - 520 Resultados de 573 Para Buscar '"oxyhemoglobin"', tiempo de consulta: 0.18s Limitar resultados
  1. 501
    “…DO (2) was closely associated with SVR (r(2)=0.78) but correlated poorly with arterial (SaO(2)) and venous (SvO(2)) oxyhemoglobin concentrations, the Sa‐vO (2) difference, and blood pressure. …”
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    Phosphodiesterase Inhibitor‐Based Vasodilation Improves Oxygen Delivery and Clinical Outcomes Following Stage 1 Palliation
  2. 502
    “…METHODS: An autologous blood intracerebral hemorrhage model was established in Sprague Dawley rats (weighing 250–300 g), and primary cultured microglia was exposed to oxyhemoglobin to mimic intracerebral hemorrhage in vitro. …”
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    Roles of programmed death protein 1/programmed death-ligand 1 in secondary brain injury after intracerebral hemorrhage in rats: selective modulation of microglia polarization to anti-inflammatory phenotype
  3. 503
    “…A prechiasmatic cistern injection model was established in rats, and the primary cultured cortical neurons were stimulated with oxyhemoglobin (oxyHb) to induce SAH in vitro. It showed that the NLRP3 inflammasome components, including NLRP3, apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC), caspase-1, mature interleukin-1β (IL-1β), and interleukin-18 (IL-18) were upregulated after SAH, and the enhanced NLRP3 after SAH was mainly located in microglia. …”
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    Resveratrol Attenuates Early Brain Injury after Experimental Subarachnoid Hemorrhage via Inhibition of NLRP3 Inflammasome Activation
  4. 504
    “…Prx2 was added to culture medium with oxyhemoglobin (OxyHb) to mimic SAH in vitro. Neuronal cell viability was assessed by lactate dehydrogenase (LDH) assay, and neuronal apoptosis was determined by TUNEL staining. …”
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    Peroxiredoxin 2 activates microglia by interacting with Toll-like receptor 4 after subarachnoid hemorrhage
  5. 505
    “…The ability to predict radiographically confirmed clinical pneumonia was assessed using logistic regression under four additive scenarios: clinical signs and symptoms only, addition of lung auscultation, addition of oxyhemoglobin saturation (Spo(2)), and addition of lung ultrasound. …”
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    Building a Prediction Model for Radiographically Confirmed Pneumonia in Peruvian Children: From Symptoms to Imaging
  6. 506
    “…We describe the development of a miniaturized broadband near-infrared spectroscopy system (bNIRS), which measures changes in cerebral tissue oxyhemoglobin ([Formula: see text]) and deoxyhemoglobin ([HHb]) plus tissue metabolism via changes in the oxidation state of cytochrome-c-oxidase ([oxCCO]). …”
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    Quantification of the severity of hypoxic-ischemic brain injury in a neonatal preclinical model using measurements of cytochrome-c-oxidase from a miniature broadband-near-infrared spectroscopy system
  7. 507
    “…The aim of this study was to investigate the importance of connexin 43 (Cx43) in CVS and determine whether Cx43 alterations are modulated via the protein kinase C (PKC) signaling transduction pathway. METHODS: Oxyhemoglobin (OxyHb)-induced smooth muscle cells of basilar arterial and second-injection model in rat were used as CVS models in vitro and in vivo. …”
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    The important role of connexin 43 in subarachnoid hemorrhage-induced cerebral vasospasm
  8. 508
    “…The clinical symptoms were significantly improved along with increase of oxyhemoglobin saturation within 3 d. Several parameters tended to improve as compared to pretransfusion, including increased lymphocyte counts (0.65 × 10(9)/L vs. 0.76 × 10(9)/L) and decreased C-reactive protein (55.98 mg/L vs. 18.13 mg/L). …”
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    Effectiveness of convalescent plasma therapy in severe COVID-19 patients
  9. 509
    “…The R(low)MG challenge significantly increased blood carbon dioxide partial pressure, calcium, sodium, anion gap, osmolality, glucose, and corticosterone levels but significantly decreased blood oxygen partial pressure, oxyhemoglobin concentration, concentration of oxygen dissolved in the blood, chloride, and pH levels. …”
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    Effects of dietary Original XPC on selected blood variables in layer pullets challenged with Mycoplasma gallisepticum(,)(,)
  10. 510
    “…In addition to lung mechanics or estimation of CO(2) and pH expected for set ventilation parameters (considerations of lung physiology alone), full physiological simulation provides estimates of additional values for oxyhemoglobin saturation, arterial oxygen tension, and other patient parameters. …”
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    Computational simulation to assess patient safety of uncompensated COVID-19 two-patient ventilator sharing using the Pulse Physiology Engine
  11. 511
    “…Methemoglobin (MetHb) and deoxyhemoglobin increased according to the NO(3)(-) concentrations in the diet (p<0.05), while an opposite effect was observed for oxyhemoglobin and carboxyhemoglobin (p<0.05). Hematocrit levels decreased (p<0.05), while albumin, alanine aminotransferase, and gamma-glutamyl transpeptidase concentrations were not modified (p>0.05). …”
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    Changes in hematological, biochemical, and blood gases parameters in response to progressive inclusion of nitrate in the diet of Holstein calves
  12. 512
    “…For all participants, functional near-infrared spectroscopy (fNIRS) was applied for measurement of cerebral oxyhemoglobin (oxyHb) and deoxyhemoglobin (deoxyHb) concentration over the non-dominant (right) hemisphere during a serial reaction time task (SRTT) with the non-dominant (left) hand before and after each condition. …”
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    Comparison of hemodynamic changes after repetitive transcranial magnetic stimulation over the anatomical hand knob and hand motor hotspot: A functional near-infrared spectroscopy study
  13. 513
    “…The two groups had no differences in OSA severity—as expressed by apnea–hypopnea index (AHI), oxygen desaturation index (ODI), and mean oxyhemoglobin saturation (SaO(2))—and in cardiometabolic comorbidities. …”
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    The Complex Interaction Between the Major Sleep Symptoms, the Severity of Obstructive Sleep Apnea, and Sleep Quality
  14. 514
    “…Agreement between the pulse oximeter and the blood gas analyzer was low, with the pulse oximeter underestimating the real values of arterial oxyhemoglobin saturation, particularly at higher readings. …”
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    Evaluation of Three Medetomidine-Based Anesthetic Protocols in Free-Ranging Wild Boars (Sus scrofa)
  15. 515
    “…RESULTS: Compared to the low-risk group, total sleep time (TST), the proportion of N3 (N3%) and mean oxygen saturation (SpO(2)mean) were lower, while the arousal index of non-rapid eye movement (NREM) sleep, apnea index (AI) of NREM sleep, apnea hypopnea index (AHI) of NREM sleep, oxygen desaturation index (ODI) and percentage of total sleep time spent with oxyhemoglobin saturation below 90% (TST90) were higher in the moderate-to-high risk group. …”
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    Association of Craniofacial and Upper Airway Morphology with Cardiovascular Risk in Adults with OSA
  16. 516
    “…The aim of this study was to evaluate the role of the integral components of regional cerebral oxygenation (rSO(2)) measured by NIRS [i.e., arterial-oxyhemoglobin (O(2)Hbi) and venous-deoxyhemoglobin (HHbi)-components], as indirect surrogates of cerebral blood flow (CBF) in a cohort of critically ill patients with coronavirus disease 2019 (COVID-19). …”
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    The Use of Different Components of Brain Oxygenation for the Assessment of Cerebral Haemodynamics: A Prospective Observational Study on COVID-19 Patients
  17. 517
    “…The haplotype combinations H2H3 and H1H3 were more frequent in the Tibetan sheep population, H2H3 increases O(2) carrying capacity by increasing hematocrit and hemoglobin concentrations; H1H3 makes O(2) dissociate more readily from oxyhemoglobin by decreasing partial pressure of oxygen and oxygen saturation. …”
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    Variations in HIF-1α Contributed to High Altitude Hypoxia Adaptation via Affected Oxygen Metabolism in Tibetan Sheep
  18. 518
    “…We found phenotype differences among those with Weber C severity, with HFrEF patients reaching lower oxyhemoglobin (O(2)Hb, μM) (−10.9 ± 3.8 vs. −23.7 ± 5.7, p = 0.029) during exercise, while HFpEF reached lower O(2)Hb during the recovery period (−3.0 ± 3.4 vs. 5.9 ± 2.8, p = 0.007). …”
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    Muscle-Skeletal Abnormalities and Muscle Oxygenation during Isokinetic Strength Exercise in Heart Failure with Preserved Ejection Fraction Phenotype: A Cross-Sectional Study
  19. 519
    “…BV2 cells and SH-SY5Y cells were co-cultured and stimulated by oxyhemoglobin to establish an in vitro model of SAH. …”
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    Activation of RARα Receptor Attenuates Neuroinflammation After SAH via Promoting M1-to-M2 Phenotypic Polarization of Microglia and Regulating Mafb/Msr1/PI3K-Akt/NF-κB Pathway
  20. 520
    por Lee, Hyunyeol, Wehrli, Felix W
    Publicado 2022
    “…One major challenge in qBOLD is to separate de-oxyhemoglobin’s contribution to R(2)′ from other sources modulating the voxel signal, for instance, R(2), R(2)′ from non-heme iron (R′(2,nh)), and macroscopic magnetic field variations. …”
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    Whole-brain 3D mapping of oxygen metabolism using constrained quantitative BOLD
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