Trans-thoracic echo evaluation before and during noninvasive ventilation
نویسندگان
چکیده
منابع مشابه
Objective Evaluation of Patient–ventilator Interactions during Noninvasive Ventilation (niv)
WINNING ABSTRACT: The success of NIV depends on patient–ventilator interactions. These interactions are evaluated with the subjective comfort score which is not always reliable. An objective evaluation is thus required. To evaluate these interactions, we use a statistical measure of the variability of a physiological signal, i.e the Shannon entropy. Our purpose is to show whether estimating Sha...
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HYPOTHESIS Albuterol delivered during noninvasive positive-pressure ventilation is affected by use of a nebulizer or metered-dose inhaler (MDI) and whether the leak port is in the hose or the mask. METHODS A lung model that simulated spontaneous breathing at 20 breaths/min was used. A bi-level positive-airway-pressure ventilator (Respironics S/T30) was set for an inspiratory positive airway p...
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Diagnostic or therapeutic flexible bronchoscopy is often necessary in severely ill patients. These patients often have comorbidities that increase the risk of bronchoscopy-related complications. Noninvasive ventilation might decrease the risk of these complications in patients with severe refractory hypoxemia, postoperative respiratory distress, or severe emphysema, and in pediatric patients. N...
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Considerable interest has been shown in recent years in the relative distributions of alveolar blood and gas flows under various conditions. During thoracic surgical procedures in the lateral position, with one hemithorax open and with controlled ventilation of the lungs, a severe degree of maldistribution of blood and gas may be expected. The upper lung may be freely expanded, retracted by the...
متن کاملNoninvasive ventilation improves preoxygenation before intubation of hypoxic patients.
RATIONALE Critically ill patients are predisposed to oxyhemoglobin desaturation during intubation. OBJECTIVES To find out whether noninvasive ventilation (NIV), as a preoxygenation method, is more effective at reducing arterial oxyhemoglobin desaturation than usual preoxygenation during orotracheal intubation in hypoxemic, critically ill patients. METHODS Prospective randomized study perfor...
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ژورنال
عنوان ژورنال: Critical Care
سال: 2012
ISSN: 1364-8535
DOI: 10.1186/cc10695