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Vol. 27. Issue 6.
Pages 277-280 (August - September 1991)
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Vol. 27. Issue 6.
Pages 277-280 (August - September 1991)
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Utilidad de la pulsioximetría durante la broncofibroscopia
Usefulness of pulseoxymetry during bronchofiberoscopy
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L.M. Hernández Blasco, V. Villena Garrido, I. Sánchez Hernández, E. de Miguel Poch, J. Alfaro Abreu, C. Álvarez Martínez, P. Martín Escribano
Servicio de Neumologia. Hospital 12 de Octubre. Madrid
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El estudio se diseñó para evaluar la utilidad de la pulso oximetría en la detección de hipoxemia durante la broncofi-broscopia (BF). Se monitorizó de forma no invasiva y continua la saturación de oxígeno de la hemoglobina arterial (Sa02%) y la frecuencia cardíaca durante la realización de la BF a 102 pacientes adultos. Se observó un descenso medio de la Sa02% de 2,5% (DE = 2,5%, intervalo O a 14%), sin encontrarse diferencia estadísticamente significativa entre las diferentes fases en que se dividió la exploración o al separar a los pacientes según se obtuvieran muestras de tejido pulmonar mediante biopsia transbronquial (n = 36) o no (n = 66). En diez pacientes se objetivaron Sa02% inferiores a 85% durante la BF, que se corrigieron con la administración de oxígeno suplementario. Se exponen aquellas circunstancias que pueden interferir en la validez de las lecturas del pulso oxímetro y las posibles soluciones. Aconsejamos la utilización de la pulso oximetría para la monitorización durante la BF de los pacientes de alto riesgo, lo que permite poder hacer una corrección idónea e inmediata de las posibles fases hipoxémicas.

This study was designed to evaluate the usefulness of pul-sioxymetry for the detection of hypoxemia during bronchofiberoscopy. In a series of 102 adult patients a noninvasive continuous monitoring of oxygen saturation of arterial hemo-globin (Sa02%) and heart rate was performed during a bron-chofibroscopic examination. There was a mean decrease in Sa02% of 2.5% (SD: 2.5%, range 0 to 14%) but there were no statistically significant dilferences during the different steps of the exploration and the decrease was comparable if the patients were divided into those who underwent transpul-monary biopsy (n = 36) and those did not (n = 66). In ten patients Sa02 was lower than 85% during bronchoscopy and was corrected with additional oxygen supply. All possible circumstances that may interfere the validity of pulsioxymetry measurements are discussed along with their possible solu-tion. We advise the use of pulsioxymetry monitoring during bronchoscopy in high risk patients since it allows to a rapid and effective correction of all hypoxemic phases.

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Copyright © 1991. Sociedad Española de Neumología y Cirugía Torácica
Archivos de Bronconeumología
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