Variation of oxygen saturation in the detection of pulmonary hypertension

Authors

Keywords:

echocardiography, pulmonary arterial hypertension, oxygen, 6-Minute Walk Test.

Abstract

Introduction: The analysis of oxygen saturation during the 6-minute walk can represent a useful, accessible and reproducible tool for the assessment of patients with pulmonary arterial hypertension.
Objective: To establish the validity of the variation in oxygen saturation in the 6-minute walk for the diagnosis of pulmonary hypertension by transthoracic echocardiography.
Methods: Cross-sectional study in patients with suspected pulmonary hypertension who underwent a 6-minute walk and transthoracic echocardiography. The validity and correlation of the variation of the oxygen saturation obtained from the 6-minute walk and the systolic pressure values of the pulmonary artery by echocardiography were calculated.
Results: The average age of the subjects was 70.8 years (+/-: 13.3), 52.5% of the people were men. It will be eliminated that the mean initial oxygen saturation in patients with and without probable pulmonary hypertension was similar, with 89.9% (+/-: 4.4) vs 89.4% (+/-: 4.6), respectively. The correlation coefficient between the decrease in oxygen saturation and the systolic pressure of the pulmonary artery was 0.11.
Conclusion: The variation in oxygen saturation during the 6-minute walk has an acceptable sensitivity for the detection of probable pulmonary hypertension in transthoracic echocardiography. The drop in oxygen saturation would be an alternative to consider suspecting pulmonary hypertension.

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Author Biographies

Alirio Bastidas Goyes, Universidad de La Sabana

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

Barbarita Mantilla Cardozo, Universidad de La Sabana

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

Gustavo Adolfo Hincapié Díaz, Hospital Militar Central

Universidad Militar Nueva Granada. Bogotá, Colombia.

Eduardo Tuta Quintero, Universidad de La Sabana. Bogotá, Colombia

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

Juan Sebastián Mancera, Universidad Militar Nueva Granada. Bogotá, Colombia.

Universidad Militar Nueva Granada. Bogotá, Colombia.

Andrés Fernando Pereira, Universidad de La Sabana. Bogotá, Colombia

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

Tatiana Vargas, Universidad de La Sabana. Bogotá, Colombia

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

Abraham José Brito Rodríguez, Universidad de La Sabana. Bogotá, Colombia

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

Stefania Forero Caldas, Universidad de La Sabana. Bogotá, Colombia

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

Cristian Camilo López, Universidad de La Sabana. Bogotá, Colombia

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

Daniel Mateo Prieto, Universidad de La Sabana. Bogotá, Colombia

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

José Ignacio Nuñez, Universidad de La Sabana. Bogotá, Colombia

Facultad de Medicina, Universidad de La Sabana. Bogotá, Colombia

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Published

2022-10-17

How to Cite

1.
Bastidas Goyes A, Mantilla Cardozo B, Hincapié Díaz GA, Tuta Quintero E, Mancera JS, Pereira AF, et al. Variation of oxygen saturation in the detection of pulmonary hypertension. Rev Cubana Med Milit [Internet]. 2022 Oct. 17 [cited 2025 Apr. 2];51(4):e02202107. Available from: https://revmedmilitar.sld.cu/index.php/mil/article/view/2107

Issue

Vol. 51 No. 4 (2022): October - December

Section

Research Article

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