نتایج جستجو برای: assist
تعداد نتایج: 61699 فیلتر نتایج به سال:
Left ventricular assist device (LVAD) insertion has been used more frequently within the recent years either as a bridge to transplant or as destination therapy in patients with advanced heart failure who fail medical therapy. We present a report of a 60-year-old male patient with end-stage heart failure and cardiomyopathy with a history of human immunodeficiency virus (HIV) infection who under...
BACKGROUND Neurally adjusted ventilatory assist (NAVA) is a partial ventilatory support mode where positive pressure is provided in relation to diaphragmatic electrical activity (EAdi). Central inspiratory activity is normally not monotonous, but it demonstrates short-term variability and complexity. The authors reasoned that NAVA should produce a more "natural" or variable breathing pattern th...
BACKGROUND Weaning from mechanical ventilation is associated with the presence of asynchronies between the patient and the ventilator. The main objective of the present study was to demonstrate a decrease in the total number of patient-ventilator asynchronies in invasively ventilated patients for whom difficulty in weaning is expected by comparing neurally adjusted ventilatory assist (NAVA) and...
BACKGROUND Neurally adjusted ventilatory assist (NAVA) delivers airway pressure (Paw) in proportion to neural inspiratory drive as reflected by electrical activity of the diaphragm (EAdi). Changing positive end-expiratory pressure (PEEP) impacts respiratory muscle load and function and, hence, EAdi. We aimed to evaluate how PEEP affects the breathing pattern and neuroventilatory efficiency duri...
BACKGROUND Gastrointestinal (GI) bleeding is one of the most common complications after continuous-flow left ventricular assist device implantation. More than one third of patients with incident bleed go on to develop recurrent GI bleeding. Octreotide, a somatostatin analog, is proposed to reduce the risk of recurrent GI bleeding in this population. METHODS AND RESULTS This multicenter, retro...
Right ventricular failure (RVF) is an unfortunate complication that continues to limit outcomes following durable left ventricular assist device (LVAD) implantation. Despite several 'RVF risk scores' having been proposed, preoperative prediction of post-LVAD RVF remains a guesstimate at best. Current strategies for institution of temporary RVAD support are invasive, necessitate additional re-th...
Neurally adjusted ventilatory assist (NAVA) is an original approach to noninvasive ventilation that can improve patient-ventilator interaction and may infl uence physiologic outcomes 1 3 because the electrical activity of the diaphragm, a pneumatically independent signal, is used to control the timing and level of assist provided, regardless of the interface used. In a recent issue of CHEST (Ja...
Right ventricular failure after left ventricular assist device insertion: preoperative risk factors.
Right ventricular failure after left ventricular assist device placement is the major concern on weaning from cardiopulmonary bypass and it is one of the most serious complications in the postoperative period. This complication has a poor prognosis and is generally unpredictable. The identification of pre-operative risk factor for this serious complication is incomplete yet. In order to determi...
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