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2023, Number 3

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Med Crit 2023; 37 (3)

Monitoring of invasive mechanical ventilation in the obese patient

Gómez AKI, Gómez RJC, Cinencio FCZ

Language: Spanish
References: 37
Page: 251-256
PDF size: 224.51 Kb.


ABSTRACT

In Mexico, obesity currently based on the National Survey on Health and Nutrition (ENSANUT), from the 2021 results it has been recorded that for the population over 20 years of age there is a prevalence of 73%. With the significant number of patients requiring invasive mechanical ventilation, it is important to consider what monitoring should be a diagnostic and follow-up tool that allows intermittent or continuous evaluation of obese patients on mechanical ventilation. The main objective of monitoring systems is to identify alterations or early signs that allow damage to be reduced. The obese per se is a patient who already has metabolic-type complications in addition to a chronic inflammatory process, develops an increase in oxygen consumption compared to a non-obese person, intrathoracic volumes are reduced due to increased heart muscle, the decrease in thoracic elasticity due to the increase in the surrounding adipose tissue and the increase in intra-abdominal pressure that decrease compliance. Some variables to be monitored during mechanical ventilation in obese patients will be discussed, such as peripheral arterial oxygen saturation (SpO2), capnography, driving pressure, transpulmonary pressure, esophageal pressure.


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