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KMID : 0356219920230010149
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Journal of the Korean Military Medical Association
1992 Volume.23 No. 1 p.149 ~ p.159
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Effect of Chest percussion and Chest Vibration of PaO2 and Amount of Secretion after Endotracheal Suction
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Abstract
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Endotracheal suction is an essential component of nursing care of patients intubated and having a tracheostomy. However, endotracheal suction can also initiate potential complications. The various complications and c
onsequences of suctioning
include
hypoxemia, atelectasis, cardiac arrhythmias, infection, damage of the damage of the cillia and epithelium of the tracheobronchial tree, retaind secretion and even dooth.
This study was designed to contribute to the prevention of potential hypoxemia and retaind secretion after endotracheal suction. The main study problem was to identify the effects of chest percussion and chest vibration on PaO2 and the amount of
secretion after endotracheal suction.
Measurements were accomplished by comparing PaO2 before and 20 minutes after endotracheal suctioning and comparing weights of secretions after endotracheal suctioning between two groups of patients one receiving chest percussion & chest vibration
and
one control group. This study was carried out with 16 neurosurgical patients admitted to the Intensive Care Unit and neurosurgical ward of a military hospital in Seoul from September 1, to November 24, 1990. Eight subjects for the control group
and
another eight for the experimental group were selected at random. The treatment in this study was consisted of four specific therapies, chest percussion, chest vibration, cough stimulation and suction with 15L/min O2 supply. Data analysis was
done
by
t-test and paired t-test.
The results of this study were as follows.
Hypothesis 1, that "the experimental group who received chest percussion and chest vibration would have higher PaO2 levels after endotracheal suction than the control group" was supported(t=-4.02, p=0.001)
Hypothesis 2, that "the weight of secretion of suctioning for the experimental group would be greater than that of the control group" was not supported.(t=-2.05, p=0.079)
This study demonstrated that chest percussion and chest vibration is effective in preventing hypoxemia for patients undergoing endotracheal suction. Further study is needed to refine the methodology, for example, this research needs to be
replicated
with different populations of patients intubated and having a tracheostomy, specifically, patients who have pulmonary disease.
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