New PDF release: Annual Review of Nursing Research, Volume 7, 1989: Focus on

By Joyce J. Fitzpatrick PhD MBA RN FAAN, Roma Taunton PhD, Jeanne Benoliel DNSc

ISBN-10: 0826143563

ISBN-13: 9780826143563

ISBN-10: 0826165222

ISBN-13: 9780826165220

Now in its moment decade of ebook, this landmark sequence attracts jointly and severely reports the entire latest study in particular components of nursing perform, nursing care supply, nursing schooling, and the pro facets of nursing.

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Extra info for Annual Review of Nursing Research, Volume 7, 1989: Focus on Physiological Aspects of Care

Sample text

Although not disconnected from the ventilator, the patient does not receive the full inspiratory pressure and end-expiratory pressure because some of the respiratory cycle pressure escapes around the catheter and through the opening in the adapter. Theoretically, if the patient remains on mechanical ventilation receiving oxygen-rich breaths and PEEP is maintained, hypoxemia can be minimized. A drawback of on-ventilator closed-system suctioning using the modified endotracheal tube adapter is the generation of intraairway negative pressure, which can result in atelectasis and alveolar collapse.

5 tidal volume) breaths at 100% oxygen prior to suctioning in 3 dogs and 11 postcardiac surgery patients. No preoxygenation resulted in a fall in PaC>2 immediately after suctioning in both dogs and humans. Both one and three hyperinflation breaths prior to suctioning raised the Pa(>2 levels in dogs and humans, with the three hyperinflations producing the greatest increase. The increase in PaC>2 in the human subjects was less than in the dogs, and the investigators speculated that it might be because of a greater pulmonary shunt.

Arterial blood gases were drawn prior to and after each suctioning procedure, although the timing was not specified. With either suctioning method there was a statistically significant drop in pH and PaC>2 with a significant rise in PaCO2. 5 percent. 001) than without the adapter. The significant decrease in PaC>2 observed with both techniques can be attributed to the lack of preoxygenation, a factor that limits the results of this study. It should be noted that there were wide ranges in the postsuctioning PaO2 percentages, indicating that patient response to either technique was variable.

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Annual Review of Nursing Research, Volume 7, 1989: Focus on Physiological Aspects of Care by Joyce J. Fitzpatrick PhD MBA RN FAAN, Roma Taunton PhD, Jeanne Benoliel DNSc


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