The Effects of Incentive Spirometry on Pulmonary Volumes and Arterial Blood Gases After Coronary Artery Bypass Surgery

A Afrasiabi; S Hasanzadeh; S Negargar; MR Ghaffari; KH Ansarin

Journal of Kermanshah University of Medical Sciences

Peer-reviewed Medical Quarterly

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The Effects of Incentive Spirometry on Pulmonary Volumes and Arterial Blood Gases After Coronary Artery Bypass Surgery

Author(s):

A Afrasiabi^1,*,

S Hasanzadeh¹,

S Negargar¹,

MR Ghaffari¹,

KH Ansarin¹

1Iran

Journal of Kermanshah University of Medical Sciences:Vol. 10, issue 1; e81706

Published online:Jun 19, 2006

Article type:Research Article

Received:Apr 27, 2005

Accepted:Apr 11, 2006

How to Cite:Afrasiabi A, Hasanzadeh S, Negargar S, Ghaffari M, Ansarin K. The Effects of Incentive Spirometry on Pulmonary Volumes and Arterial Blood Gases After Coronary Artery Bypass Surgery. J Kermanshah Univ Med Sci. 2006;10(1):e81706. doi:

Abstract

Introduction: Following thoracic and abdominal surgery, all patients experience decrease in pulmonary volumes and atelectasis. Different methods are suggested for improvement of pulmonary volumes and blood gas parameters in these patients. In this study we examine the effects of spirmetry on pulmonary volumes and blood gases parameters (ABG) in coronary artery bypass patients.

Materials and Methods: This research is a clinical trial (self control) study. 110 consecutive male patients who candidated for coronary artery bypass surgery enrolled for study from 2000-2001. Data were collected through a questionnaire. Blood gases parameters and spirometry volumes were measured in 3 phases before, first day of operation and after using incentive spirometry. Data was analyzed by descriptive and referential statistics.

Results: In this study the mean of age was 52±8 years old. LVEF was 50±7% and mean number of grafts were 2.4±0.7. The duration of mechanical ventilation was 7±45 hours in intensive care unit. Comparison of ABGs before anesthesia and in the first day of surgery showed significant decrease in systemic O₂saturation and arterial Po2 and increase in arterial Pco2 (P<0.001). Comparison of above parameters between the second and third phases showed no significant changes. Spirometry parameters showed decrease of FEV₁ and FVC after surgery (P<0.0001), but in comparison with pulmonary volumes after surgery by using incentive spirometery, no significant changes were occurred.

Conclusion: Using incentive spirometery in the first day of operation did not show significant improvement in pulmonary volumes and blood gases parameters.

Keywords

Incentive Spirometry

Coronary Artery Bypass

Arterial Blood Gass

Pulmonary Volumes

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Author(s):

A Afrasiabi:[PubMed][Scholar]
S Hasanzadeh:[PubMed][Scholar]
S Negargar:[PubMed][Scholar]
MR Ghaffari:[PubMed][Scholar]
KH Ansarin:[PubMed][Scholar]

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The Effects of Incentive Spirometry on Pulmonary Volumes and Arterial Blood Gases After Coronary Artery Bypass Surgery

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