objectives the aim of this study was to study the incremental cost-effectiveness ratio associated with the use of heat and moisture exchangers (hme) filter to prevent vap compared with the heated humidifiers (hh) presently adopted by intensive care unit (icu) services within the brazilian healthcare unified system. patients and methods this study was a cost-effectiveness analysis (cea) comparin...

OBJECTIVES To evaluate and compare the efficiency of humidification in available heat and moisture exchanger models under conditions of varying tidal volume, respiratory rate, and flow rate. INTRODUCTION Inspired gases are routinely preconditioned by heat and moisture exchangers to provide a heat and water content similar to that provided normally by the nose and upper airways. The absolute h...

OBJECTIVE To evaluate the possible changes in tidal volume, minute volume and respiratory rate caused by the use of a heat and moisture exchanger in patients receiving pressure support mechanical ventilation and to quantify the variation in pressure support required to compensate for the effect caused by the heat and moisture exchanger. METHODS Patients under invasive mechanical ventilation i...

Introduction Normal Mechanisms of Heat and Moisture Exchange in the Respiratory Tract High-Flow Humidifiers Pass-over Humidifiers Wick Humidifiers Bubble Humidifiers Artificial Noses Moisture Output Resistance Dead Space Additives Cost Choosing an Artificial Nose Active Hygroscopic Heat and Moisture Exchangers HME-Booster Use of Humidification Devices During Mechanical Ventilation Use of Heated...