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Interactive ventilation: first experience with patient controlled weaning by using a Siemens-SV 300 Automode ® ventilator

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In case of apnea, the ventilator automatically changes to a preset volume or pressure control mode... In our study the combination of pressure control and pressure support mode was used. 20 patients (pts) who underwent brain tumor surgery were randomized either to the Automode-Group (n = 10, age 24–76 years, mean 49.7) or to the conventional weaning procedure with manually regulated SIMV-mode (Manual Mode, n = 10, age 22–70, mean 47.9) immediately after entering the ICU... The number of manipulations on the respirator during the whole weaning period was counted for each patient... Identification of malfunctions, cases of apnea and comparison of average weaning time, pCO2 levels and number of manipulations necessary during the weaning period... Average weaning time was shorter in the Automode-Group (Fig. 1), pCO2-levels seemed to be more stable (Fig. 2)... The number of manipulations on the respirator were significantly lower in the Automode-Group (Fig. 3)... Automode is an approach to adapt the machine to the patient and not the patient to the machine... Spontaneous ventilation is possible at an early point and at every time during the whole weaning process... PCO2 levels seem to be more stable as a sign of a better adaptation to the patients ventilatory needs... Shortening of the total weaning time seems to be possible... Significant reduction of alarm beeps and consecutively less manipulations on the respirator (no apnea alarm, no struggling with SIMV-mode) reduce stress for the nursing staff.

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Average weaning time (minutes, 10 pts each group with STD).
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Figure 1: Average weaning time (minutes, 10 pts each group with STD).

Mentions: In the Automode®-Group no malfunctions or cases of apnea were observed. Average weaning time was shorter in the Automode®-Group (Fig. 1), pCO2-levels seemed to be more stable (Fig. 2). The number of manipulations on the respirator were significantly lower in the Automode®-Group (Fig. 3).


Interactive ventilation: first experience with patient controlled weaning by using a Siemens-SV 300 Automode ® ventilator
Average weaning time (minutes, 10 pts each group with STD).
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3301323&req=5

Figure 1: Average weaning time (minutes, 10 pts each group with STD).
Mentions: In the Automode®-Group no malfunctions or cases of apnea were observed. Average weaning time was shorter in the Automode®-Group (Fig. 1), pCO2-levels seemed to be more stable (Fig. 2). The number of manipulations on the respirator were significantly lower in the Automode®-Group (Fig. 3).

View Article: PubMed Central - HTML

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

In case of apnea, the ventilator automatically changes to a preset volume or pressure control mode... In our study the combination of pressure control and pressure support mode was used. 20 patients (pts) who underwent brain tumor surgery were randomized either to the Automode-Group (n = 10, age 24–76 years, mean 49.7) or to the conventional weaning procedure with manually regulated SIMV-mode (Manual Mode, n = 10, age 22–70, mean 47.9) immediately after entering the ICU... The number of manipulations on the respirator during the whole weaning period was counted for each patient... Identification of malfunctions, cases of apnea and comparison of average weaning time, pCO2 levels and number of manipulations necessary during the weaning period... Average weaning time was shorter in the Automode-Group (Fig. 1), pCO2-levels seemed to be more stable (Fig. 2)... The number of manipulations on the respirator were significantly lower in the Automode-Group (Fig. 3)... Automode is an approach to adapt the machine to the patient and not the patient to the machine... Spontaneous ventilation is possible at an early point and at every time during the whole weaning process... PCO2 levels seem to be more stable as a sign of a better adaptation to the patients ventilatory needs... Shortening of the total weaning time seems to be possible... Significant reduction of alarm beeps and consecutively less manipulations on the respirator (no apnea alarm, no struggling with SIMV-mode) reduce stress for the nursing staff.

No MeSH data available.