نتایج جستجو برای: saturation of oxyhemoglobin spo2
تعداد نتایج: 21166845 فیلتر نتایج به سال:
BACKGROUND Dysphagia is one of the most dangerous symptoms of acute stroke. Various screening tools have been suggested for the early detection of this condition. In spite of conflicting results, measurement of oxygen saturation (SpO2) during clinical swallowing assessment is still recommended by different national guidelines as a screening tool with a decline in SpO2 ≥2% usually being regarded...
BACKGROUND Intravenously administered indocyanine green (ICG) may cause misreadings of cerebral oximetry and pulse oximetry in patients undergoing carotid endarterectomy under general anesthesia. The present study determined the effects of two different doses (12.5 mg vs. 25 mg) of ICG on regional cerebral tissue oxygen saturation (SctO2) and percutaneous peripheral oxygen saturation (SpO2). ...
BACKGROUND After the implementation of narrowed oxygen saturation alarms, alarm frequency increased in the C.S. Mott Children's Hospital NICU which could have a negative impact on patient safety. The Joint Commission on the Accreditation of Healthcare Organizations issued a Sentinel Event Alert for hospitals in 2013 to improve alarm safety, resulting in a 2014 National Patient Safety Goal requi...
We determined the effects of chronic exposure to intermittent hypoxia (CIH) on chemoreflex control of ventilation in conscious animals. Adult male Sprague-Dawley rats were exposed to CIH [nadir oxygen saturation (SpO2), 75%; 15 events/h; 10 h/day] or normoxia (NORM) for 21 days. We assessed the following responses to acute, graded hypoxia before and after exposures: ventilation (V̇e, via baromet...
BACKGROUND Obstructive sleep apnea has been sho be associated with impaired glucose metabolism and overt diabetes mellitus. However, the effect of hypoxic episodes on nocturnal glucose regulation in non-diabetic patients is unknown. OBJECTIVES To investigate the effect of hypoxemia and nocturnal glucose homeosatsis in non-diabetic patients with sleep apnea. METHODS Seven non-diabetic patien...
BACKGROUND There is an urgent need for blood oxygen saturation (SpO2) tests when participants are ambulatory, as in daily activity monitoring, sleep monitoring, or even athletes' cardiovascular function tests. In such situations, measuring equipment needs to be wearable. This restricts the processor volume, and the corresponding algorithm should be microprocessor compatible. OBJECTIVE This ar...
OBJECTIVE To test whether infants randomized to a lower oxygen saturation (peripheral capillary oxygen saturation [SpO2]) target range while on supplemental oxygen from birth will have better growth velocity from birth to 36 weeks postmenstrual age (PMA) and less growth failure at 36 weeks PMA and 18-22 months corrected age. STUDY DESIGN We evaluated a subgroup of 810 preterm infants from the...
Results Mean PaO2/FiO2 at baseline was 200 ± 57 mm Hg in the HFNC group and 205 ± 59 mm Hg in the BVM group (p = 0.76). Mean SpO2 at baseline was 96 ± 3 % in the HFNC group and 94 ± 4 % in the BVM group (p = 0.24). The mean lowest oxygen saturation measured by pulse oximetry (SpO2) during intubation was 89 ± 18 % in the HFNC group and 86 ± 11 % in the BVM group (p = 0.56). During the one minute...
OBJECTIVES To evaluate sleep architecture in children and adolescents with both cystic fibrosis (CF) and a clinical suspicion of sleep-disordered breathing (SDB), and to identify the respiratory polysomnographic profile of these patients. METHODS Parents or guardians of children with CF filled out a questionnaire designed to assess their clinical and sleep conditions. Children who were identi...
We studied 152 COPD patients with a daytime PaO2 greater than or equal to 60 mm Hg using formal polysomnography (EEG, airflow, respiratory muscle movement, ear oximeter) to detect the presence of nocturnal, nonapneic, oxyhemoglobin desaturation. Nine subjects were disqualified by the unexpected discovery of sleep apnea, as were another eight because they could not sleep in the laboratory settin...
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