نتایج جستجو برای: oxygenation index
تعداد نتایج: 415737 فیلتر نتایج به سال:
Oxygen is an essential part of the most important metabolic pathways in aerobic organisms. Oxygen delivery is merely dependent on blood, rendering blood loss a devastating event. Traumatic pre-hospital liver bleeding is a major cause of early trauma deaths in human and animals, with no established therapeutic method yet. Increasing intra-abdominal pressure (IAP) has been shown to reduce liver b...
oxygen is an essential part of the most important metabolic pathways in aerobic organisms. oxygen delivery is merely dependent on blood, rendering blood loss a devastating event. traumatic pre-hospital liver bleeding is a major cause of early trauma deaths in human and animals, with no established therapeutic method yet. increasing intra-abdominal pressure (iap) has been shown to reduce liver b...
INTRODUCTION Acute respiratory distress syndrome is a complex heterogeneous disorder with low incidence but high case fatality in children. Treatment with pulmonary surfactants is a possible option. Surfacen, a Cuban exogenous pulmonary surfactant, has been proven safe and effective in premature newborns with hyaline membrane disease, but evidence regarding its effi cacy in older children is st...
BACKGROUND Neuromuscular blockade (NMB) has been shown to improve outcome in acute respiratory distress syndrome (ARDS) in adults, challenging maintaining spontaneous breathing when there is severe lung injury. We tested in a prospective physiological study the hypothesis that continuous administration of NMB agents in mechanically ventilated children with severe acute hypoxemic respiratory fai...
Despite increasing use of whole body vibration during exercise an understanding of the exact role of vibration and the supporting physiological mechanisms is still limited. An important aspect of exercise analysis is the utilisation of oxygen, however, there have been limited studies considering tissue oxygenation parameters, particularly during dynamic whole body vibration (WBV) exercise. The ...
We have previously reported a comparison between edge-corrected near-infrared optical mammograms and those that have undergone a further image-processing step based on a spatial second derivative. In this work, we go a step further by combining the second-derivative images from four wavelengths (690, 750, 788, and 856 nm) to obtain oxygenation-index images. While the spatial second derivative i...
Endotracheal instillation of prostacyclin in preterm infants with persistent pulmonary hypertension.
Does endotracheal instilled prostacyclin (epoprostenol) improve oxygenation in preterm infants with persistent pulmonary hypertension? Four preterm infants were studied. Prostacyclin (50 ng x kg(-1)) was injected as an endotracheal bolus. In two patients the prostacyclin bolus was repeated and in one patient prostacyclin was administered continuously. Oxygenation was evaluated through the oxyge...
OBJECTIVES A recent individual patient data (IPD) meta-analysis suggested that patients with moderate or severe acute respiratory distress syndrome (ARDS) benefit from higher positive end-expiratory pressure (PEEP) ventilation strategies. However, thresholds for continuous variables (eg, hypoxaemia) are often arbitrary and linearity assumptions in regression approaches may not hold; the multiva...
Aim. To establish a protocol for the early introduction of inhaled nitric oxide (iNO) therapy in children with acute respiratory distress syndrome (ARDS) and to assess its acute and sustained effects on oxygenation and ventilator settings. Patients and Methods. Ten children with ARDS, aged 1 to 132 months (median, 11 months), with arterial saturation of oxygen <88% while receiving a fraction of...
The purpose of this study was to analyze the cerebral oxygenation response to maximal self-paced and incremental exercise in elite Kenyan runners from the Kalenjin tribe. On two separate occasions, 15 elite Kenyan distance runners completed a 5-km time trial (TT) and a peak treadmill speed test (PTS). Changes in cerebral oxygenation were monitored via near-infrared spectroscopy through concentr...
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