You searched for:"Luciana Castilho de Figueiredo"
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Lung injury and mechanical ventilation in cardiac surgery: a review
Rev Bras Ter Intensiva. 2010;22(4):375-383
Abstract
Lung injury and mechanical ventilation in cardiac surgery: a review
Rev Bras Ter Intensiva. 2010;22(4):375-383
DOI 10.1590/S0103-507X2010000400011
Views0Respiratory failure after cardiopulmonary bypass heart surgery can result from many pre-, intra- or postoperative respiratory system-related factors. This review was aimed to discuss some factors related to acute lung injury observed during the postoperative period of cardiac surgery and the mechanical ventilation modalities which should be considered to prevent hypoxemia.
Keywords:AnoxiaCardiac surgical proceduresCardiopulmonary bypasslung injuryPostoperative periodRespiration, artificialRespiratory distress syndromeSee more -
Cuff leak test preextubation: comparison between three methods in spontaneous ventilation
Rev Bras Ter Intensiva. 2007;19(3):310-316
Abstract
Cuff leak test preextubation: comparison between three methods in spontaneous ventilation
Rev Bras Ter Intensiva. 2007;19(3):310-316
DOI 10.1590/S0103-507X2007000300007
Views0BACKGROUND AND OBJECTIVES: The cuff leak test aims to evaluate the presence of airway obstruction and normally is carried through in the controlled mode of mechanical ventilation. The objective of this study was to evaluate the cuff leak in patients breathing spontaneously, across three different methods, and to compare them. METHODS: Twenty intubated patients had been submitted to three different forms of cuff leak test, all of them in spontaneous respiration: measuring air leak buy using a ventilometer and with the patient connected to the mechanical ventilator (test 1); through the display of the mechanical ventilator (test 2); and with ventilometer and the patient detached from the mechanical ventilator (test 3). The air leak around the tracheal tube (TT) was defined as the percentage difference between the inspired tidal volume (insufflated cuff) and exhaled (deflated cuff). The air leak differences between the three tests were evaluated, as well as their correlations to three variables: cuff pressure, TT diameter and intubation time. RESULTS: Statistically significant (p < 0.05) air leak difference was observed between the tests 1 and 2 in relation to the test 3 in the general and regarding time intubation below 48h and cuff pressure below 20 cmH2O. Regarding the tube diameter, it had been difference only between tests 2 and 3 for 8.5 mm tubes. CONCLUSIONS: The cuff leak test in spontaneous ventilation seems to be more accurate when the patient is connected to the mechanical ventilator, and that additional studies are needed to determine the real contribution of the test in this ventilation mode to predict laryngeal edema.
Keywords:artificial ventilationcuff leak testlaryngeal edematracheal intubationventilatory function testsSee more -
Comparison among three methods to measure the rapid shallow breathing index in patients submitted to weaning from mechanical ventilation
Rev Bras Ter Intensiva. 2007;19(3):331-336
Abstract
Comparison among three methods to measure the rapid shallow breathing index in patients submitted to weaning from mechanical ventilation
Rev Bras Ter Intensiva. 2007;19(3):331-336
DOI 10.1590/S0103-507X2007000300011
Views0BACKGROUND AND OBJECTIVES: To compare the attainment of the rapid shallow breathing index (IRRS) in modalities PSV 10 cmH2O and PEEP 5 cmH2O (PSV10), CPAP 5 cmH2O (CPAP5) and spontaneous breathing (SB), correlating them with success on failure in the withdrawal of mechanical ventilation (MV). METHODS: Prospective study including 54 patients in MV > 48 hours, submitted to the IRRS in three ventilatory modalities: PSV10, CPAP5 and SB at the moments before and after T-tube spontaneous breathing. The patients were removed from MV when IRRS was < 105. RESULTS: There wasn't statistically significant difference between IRRS values at the moments before and after T-tube SB. There was statistically significant difference IRRS value between the modalities CPAP5 and PSV10 (p = 0.008), and between the modalities SB and PSV10 (p = 0.01) at the moment before T-Tube SB and of IRRS value, gotten between CPAP5 and PSV10 (p = 0.01) at the moment after T-tube SB. CONCLUSIONS: From this sample, it can be observed that IRRS values are overestimated when gotten in modality PSV10. It was also evidenced that there is no need of a 30 min T-tube SB before extubation, when the weaning is performed with the technique of gradual reduction of PSV. This study suggested that IRRS is able to predict weaning success; however it is not able to determine failure when it was < 105. It is recommended that IRRS must be analyzed in association with other predictive weaning parameters.
Keywords:mechanical ventilationpressure-support ventilationrapid shallow breathing indexT tubeWeaningSee more
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Case reports Child Coronavirus infections COVID-19 Critical care Critical illness Extracorporeal membrane oxygenation Infant, newborn Intensive care Intensive care units Intensive care units, pediatric mechanical ventilation Mortality Physical therapy modalities Prognosis Respiration, artificial Respiratory insufficiency risk factors SARS-CoV-2 Sepsis