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Vol. 25. Issue 2.
Pages 80-83 (March 1989)
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Vol. 25. Issue 2.
Pages 80-83 (March 1989)
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Comparacion de la presion arterial y transcutanea de oxigeno en la fibrobroncoscopia
Comparison between arterial and transcutaneous oxygen pressure in fibrobronchoscopy
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A. Herrejón Silvestre, M. Simó Mompó, M. Pérez Gonzalvo, E. Chiner Vives, J. Marín Pardo
Servicio de Neumología. Hospital Clínico Universitario. Valencia
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Se efectúa un estudio comparativo de la presión parcial de oxígeno obtenida por punción arterial (PaO2) y con un electrodo de presión transcutánea de oxígeno (PtcO2), tomadas simultáneamente antes y después de la fibrobroncoscopia, realizada en 16 individuos con diversas patologías respiratorias.

La fibrobroncoscopia produjo disminución de la PaO2 respecto a las cifras previas (F = 8,97; p < 0,01), circunstancia que no se evidenció con la PtcO2 (F = 0,1; p = ns), existiendo con ambos métodos diferencias en la respuesta individual a la prueba. Se encontró escasa concordancia entre PaO2 y PtcO2, tanto al inicio como al final de la exploración.

Consideramos por tanto que la determinación transcutánea de oxígeno no puede sustituir a la arterial en la valoración gasométrica de los enfermos respiratorios adultos que se someten a la fibrobroncoscopia.

A comparative study between oxygen partial pressure obtained by arterial puncture (PaO2) and by a transcutaneous oxygen pressure electrode (PtcO2) was carried out; the measurements were simultaneously made before and after fibrobronchoscopy in 16 patients with different types of respiratory diseases.

The fibrobronchoscopy resulted in a reduction of PaO2 from the previous values (F = 8,97; p < 0,01); this decrease was not found with PtcO2 (F = 0,1; p = ns). There were differences in the individual responses to the test with both methods. There was poor concordance between PaO2 and PtcO2, both at the beginning and at the end of the investigation.

We think, therefore, that the transcutaneous oxygen measurement cannot be substituted for the arterial measurement in the gasometric evaluation of adult respiratory patients undergoing fíbrobronchoscopy.

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Copyright © 1989. Sociedad Española de Neumología y Cirugía Torácica
Archivos de Bronconeumología
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