Adequacy of oxygenation parameters in elderly patients undergoing mechanical ventilation

من ويكيتعمر
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Adequacy of oxygenation parameters in elderly patients undergoing mechanical ventilation[1] Adequação dos parâmetros de oxigenação em idosos submetidos à ventilação mecânica Luana Petruccio Cabral Monteiro Guedes1 , Fabrício Costa Delfino1 , Flavia Perassa de Faria1


einstein. 2013;11(4):467-71

Gislane Ferreira de Melo1 , Gustavo de Azevedo Carvalho1 Study carried out at Universidade Católica de Brasília, Brasília, DF, Brazil. 1

Universidade Católica de Brasília, Brasília, DF, Brazil.

Corresponding author: Luana Petruccio Cabral Monteiro Guedes – Universidade Católica de Brasília, Campus I – QS 07 Lote 01 EPCT – Águas Claras – Zip code: 71966-700 – Brasília, DF, Brazil – Phone: (61) 8328-7220 – E-mail: luanapetruccio@yahoo.com.br Received on: Apr 1, 2013 – Accepted on: Nov 9, 2013 Conflicts of interest: none.

ABSTRACT

Objective: To compare ideal PaO2

with PaO2
found, ideal PaO2

/FiO2 of room air with the one found, and ideal FiO2

with FiO2
found in

mechanically ventilated elderly patients. Methods: Cross-sectional study that evaluated elderly mechanically ventilated patients for at least 72 hours and who underwent three subsequent blood gas analyses. Results: The sample consisted of 48 elderly with mean age of 74.77±9.36 years. There was a significant difference between the ideal PaO2

and the one found (p<0.001), between FiO2
corrected and

the offered one, and also between ideal PaO2 /FiO2

of room air and the

PaO2 /FiO2

found (p<0,001). Conclusion: A significant increase was

seen in PaO2 and FiO2 and in alterations of gas exchange by PaO2 /FiO2 index than those found in normal parameters.

Keywords

Oxigenation; Pulmonary gas exchange; Respiration, artificial; Aged; Aging; Intensive care units

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