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Proper Respiratory Rate during Mechanical Ventilation in Pediatric General Anesthesia / 대한마취과학회지
Korean Journal of Anesthesiology ; : 451-456, 2002.
Artículo en Coreano | WPRIM | ID: wpr-214745
ABSTRACT

BACKGROUND:

We experienced unintentional hyperventilation during mechanical ventilation in pediatric general anesthesia. It is very difficult to decide respiratory rate or tidal volume with a patient's condition for adequate ventilation while respiratory gas monitoring is unavailable in many cases. Therefore, we studied to find a proper respiratory rate (RR) with a fixed tidal volume during mechanical ventilation in general anesthesia.

METHODS:

We studied 70 children weighing 10-30 kg during general anesthesia. An endotracheal tube was selected according to 3.5+age (yrs)/4. After intubation with midazolam, thiopental sodium and succinylcholine, mechanical ventilation was applied tidal volume 8-10 ml/kg, peak inspiratory pressure 15-20 mmHg, RR 20 (infant), 18 (under 3 yrs), 16 (under 5 yrs), 14 (above 5 yrs) breaths/min. We adjusted the RR for a PetCO2 30 33 mmHg and arterial blood gas analysis was done 30 minutes each change. We calculated the RR for a PaCO2 of 36 mmHg according to the equation RR (applied) = estimated RR estimated PaCO2/ideal PaCO2. In addition, the linear regression was analyzed between the age and RR.

RESULTS:

The estimated regression for RR using Pearson's correlation coefficient was as follows RR = 19.25-0.07Xage (month).

CONCLUSIONS:

The equation (RR = 19.25-0.07Xage [month]) could be an index for safe ventilatory management without severe hyper- or hypo-carbia in the pediatric general anesthesia.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Respiración Artificial / Succinilcolina / Tiopental / Ventilación / Análisis de los Gases de la Sangre / Midazolam / Modelos Lineales / Volumen de Ventilación Pulmonar / Frecuencia Respiratoria / Hiperventilación Límite: Niño / Humanos Idioma: Coreano Revista: Korean Journal of Anesthesiology Año: 2002 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Respiración Artificial / Succinilcolina / Tiopental / Ventilación / Análisis de los Gases de la Sangre / Midazolam / Modelos Lineales / Volumen de Ventilación Pulmonar / Frecuencia Respiratoria / Hiperventilación Límite: Niño / Humanos Idioma: Coreano Revista: Korean Journal of Anesthesiology Año: 2002 Tipo del documento: Artículo