نتایج جستجو برای: ventilation time
تعداد نتایج: 1930812 فیلتر نتایج به سال:
Introduction: Adherence to the design values and ventilation standards (VS) after installing and also maintaining continuous work of ventilation system with maximum performance throughout its life are amongst the reasons of ventilation systems monitoring. Therefore, the aim of this study was to evaluate performance of local exhaust ventilation system for control of dust by measuring the operati...
Noninvasive ventilation has been available for over 100 years. In the past 25 years, relatively lightweight, portable ventilators and comfortable interfaces have become available that have allowed for full-time noninvasive ventilation. In motivated individuals who have access to centers with expertise in nocturnal and diurnal ventilation, continuous noninvasive ventilation is quite feasible. Th...
Aim and background: Despite improved techniques of cardiopulmonary bypass and postoperative care, pulmonary dysfunction after CABG is still a major cause of postoperative morbidity. Different methods of pulmonary ventilation have been used for lung protection. But has not definite conclusions about the effects of these methods. The aim of this study was determining the effect of pulmonary vent...
OBJECTIVE To evaluate the association between time on mechanical ventilation and anthropometric, clinical and pulmonary function variables, measured early, in infants on invasive mechanical ventilation with acute respiratory failure due to viral bronchiolitis, and the temporal progression of variables with significant correlations. METHODS Twenty-nine infants admitted to the pediatric intensi...
Background Many neonates admitted to Neonatal Intensive Care Unit (NICU) need mechanical ventilation for recovery. This study was designed to evaluate the short-term outcome of mechanically ventilated neonates admitted to NICU. <span style="fon...
BACKGROUND Either controlled ventilation or spontaneous respiration is commonly used in general anesthesia for inhaled foreign body removal via rigid bronchoscopy. Controversy in the literature exists concerning which form of ventilation is optimally suited for bronchoscopy. We performed a meta-analysis to compare controlled ventilation and spontaneous respiration with respect to complications,...
In this paper I will explain how the data from a continuous radon monitor can be used to estimate the minimum level of ventilation for a home. It is well h o w that radon levels in a home follow a sinusoidal pattem. This is simply explained by noting that the strength of the radon source is propohonal to the indoor-outdoor pressure difference which itself follows a sinusoidal pattern due to sol...
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