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Abstract: Poster Presentations |

Artificial Ventilation in the Semi-recumbent Position Improves Oxygenation and Gas Exchange FREE TO VIEW

Ben Speelberg, MD; Frits Van Beers, Ventilation Practitioner
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St.Elisabeth Hospital, Tilburg, Netherlands


Chest


Chest. 2003;124(4_MeetingAbstracts):203S. doi:10.1378/chest.124.4_MeetingAbstracts.203S-a
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Abstract

PURPOSE:  Rotation management seems to improve ventilation in the intensive care unit. Especially lateral rotation on the left and right side have been studied. We investigated the effect of 30° and 45 ° semi-recumbent position on lung ventilation and oxygenation.

METHODS:  During one month, all subsequent patients on artificial ventilation, at our general 18 bed intensive care unit, were studied for effects of 10 °, 30 ° and 45 ° position. Patients were ventilated with a Siemens Servo 300 ventilator. Body position was changed with a Total Care bed (Hill-Rom) after results of baseline (10 °) were obtained. Half an hour after body position was changed, measures were done, which included peripheral oxygen saturation, end-tidal CO2 (ET-CO2), tidal volume (Tv-insp). The results of 30 ° and 45 ° position were compared with baseline values using paired-samples T testing.

RESULTS:  32 Patients have been studied. 2 were on PC mode, 17 on PRVC and 13 on PS mode. Oxygen saturation and Tv-insp improved from 10 ° to 30 ° and 45 ° body position. Also ET-CO2 showed an improvement. There was a progressive decline on 30 ° and 45 ° compared to baseline.CONCLUSIONS: Oxygenation and ventilation are improving after patients have been placed in the semi-recumbent position.

CLINICAL IMPLICATIONS:  Placing ventilatory patients in the semi-recumbent position should be done more frequent, because it improves oxygenation and ventilation. MeanSDSignificanceSaturation baseline96.972.42Saturation 30 °97.52.51p<0,01Saturation 45 °97.722.39p<0.001ET-CO2 baseline4.231.02ET-CO2 30 °4.130.94p<0.001ET-CO2 45 °4.010.90p<0.001Tv-insp-baseline542107Tv-insp-30 °591114p<0.01Tv-insp-45 °55894p<0.05

DISCLOSURE:  B. Speelberg, None.

Wednesday, October 29, 2003

12:30 PM - 2:00 PM


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