Eun Young Lee; Su Hyun Kim

doi:10.4040/jkan.2014.44.2.149

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Original Article
Effects of Open or Closed Suctioning on Lung Dynamics and Hypoxemia in Mechanically Ventilated Patients: Eun Young Lee, Su Hyun Kim; Journal of Korean Academy of Nursing 2014;44(2):149-158.
DOI: https://doi.org/10.4040/jkan.2014.44.2.149
Published online: April 30, 2014

¹Youngnam Medical Center, Daegu, Korea.

²College of Nursing, Kyungpook National University, Daegu, Korea.

Address reprint requests to: Kim, Su Hyun. College of Nursing, Kyungpook National University, 101 Dongin-2ga, Jung-gu, Daegu 700-422, Korea. Tel: +82-53-420-4928, Fax: +82-53-421-2758, suhyun_kim@knu.ac.kr

• Received: December 16, 2013 • Revised: December 30, 2013 • Accepted: February 18, 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution NoDerivs License. (http://creativecommons.org/licenses/by-nd/4.0/) If the original work is properly cited and retained without any modification or reproduction, it can be used and re-distributed in any format and medium.

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Abstract
NOTES
REFERENCES

Abstract

Purpose
This study was conducted to compare effects of open and closed suctioning methods on lung dynamics (dynamic compliance, tidal volume, and airway resistance) and hypoxemia (oxygen saturation and heart rate) in mechanically ventilated patients.
Methods
This study was a cross-over repeated design. Participants were 21 adult patients being treated with endotracheal intubation using a pressure-controlled ventilator below Fraction of Inspired Oxygen (FiO₂) 60% and PEEP 8 cmH₂O. Data were collected at baseline and 1, 2, 3, 4, 5, and 10 minutes after suctioning. Data were analyzed using two-factor ANOVA with repeated measures on time and suctioning type.
Results
Effects of the interaction between suction type and time were significant for oxygen saturation and heart rate but not significant for dynamic compliance, tidal volume, or airway resistance. Prior to performance of suctioning, tidal volume and oxygen saturation were significantly lower, but airway pressure and heart rate were significantly higher using the closed suctioning method as compared with the open suctioning method.
Conclusion
For patients on ventilator therapy below FiO₂ 60% and PEEP 8cmH₂O, open suctioning performed after delivery of 100% FiO₂ using a mechanical ventilator may not have as much negative impact on lung dynamics and hypoxemia as closed suctioning.
Keywords: Airway resistance; Anoxia; Suction; Lung compliances

This manuscript is a revision of the first author's master's thesis from Kyungpook National University.

REFERENCES

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Figure 1

Research design.

Figure 2

Lung dynamics after open or closed suction.

Figure 3

Hypoxemia after open or closed suction.

Table 1

Characteristics of the Participants (N=21)

FiO₂=Fraction of inspired oxygen; PEEP=Positive end expiratory pressure; APACHE II=Acute Physiology and Chronic Health Evaluation II.

Table 2

Homogeneity Validation Between the Baselines of Open Suction and Closed Suction (N=21)

^*Carry-over effect from open or closed suction.

Figure & Data

REFERENCES

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Effects of Open or Closed Suctioning on Lung Dynamics and Hypoxemia in Mechanically Ventilated Patients

J Korean Acad Nurs. 2014;44(2):149-158. Published online April 30, 2014

DOI: https://doi.org/10.4040/jkan.2014.44.2.149

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Effects of Open or Closed Suctioning on Lung Dynamics and Hypoxemia in Mechanically Ventilated Patients

Figure 1 Research design.

Figure 2 Lung dynamics after open or closed suction.

Figure 3 Hypoxemia after open or closed suction.

Figure 1

Figure 2

Figure 3

Effects of Open or Closed Suctioning on Lung Dynamics and Hypoxemia in Mechanically Ventilated Patients

Table 1

Characteristics of the Participants (N=21)

FiO₂=Fraction of inspired oxygen; PEEP=Positive end expiratory pressure; APACHE II=Acute Physiology and Chronic Health Evaluation II.

Table 2

Homogeneity Validation Between the Baselines of Open Suction and Closed Suction (N=21)

^*Carry-over effect from open or closed suction.

Table 1 Characteristics of the Participants (N=21)

FiO₂=Fraction of inspired oxygen; PEEP=Positive end expiratory pressure; APACHE II=Acute Physiology and Chronic Health Evaluation II.

Table 2 Homogeneity Validation Between the Baselines of Open Suction and Closed Suction (N=21)

^*Carry-over effect from open or closed suction.