Resumo

VIRUEZ-SOTO, José Antonio; JIMENEZ-TORRES, Fernando  e  VERA-CARRASCO, Oscar. INDEX CHARACTERIZATION OF SAO2/FIO2 AT HIGH ALTITUDE. Rev. Méd. La Paz [online]. 2020, vol.26, n.1, pp.38-41. ISSN 1726-8958.

Objective. To describe SaO2/FiO2 (oxygen saturation/fraction of inspired oxygen) index in healthy native dwellers, patients with or without chronic lung diseases and pregnant women at high altitude. Material and methods. Case series at Hospital del Norte from El Alto city, La Paz-Bolivia, located at 4090 meters above sea level, during 1 October 2018 to 31 January 2019. 119 participants were included, and SaO2/FiO2 index was measured by using a pulse oximeter. Results. SaO2/FiO2 index average was 426 in healthy dwellers, 376 in patients with non-respiratory pathologies, 312 in patients with pulmonary diseases, and 423 in pregnant women. A high negative correlation (r of Pearson) was observed between pregnancy evolution and SAO2/FIO2 index. Conclusion. This study provides novel data about SaO2/FiO2 index at high altitude either of healthy native dwellers, patients with or without pulmonary diseases and pregnant women.

Palavras-chave : Critical care; oxihemoglobin saturation; fraction of inspired oxygen.

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