Abstract
Purpose
To investigate the prevalence of obstructive sleep apnea hypopnea syndrome (OSAHS) in patients undergoing off-pump coronary artery bypass grafting (OPCABG) and analyze the effects of OSAHS on the incidence of post-OPCABG complications, length of stay in intensive care unit (ICU) and hospitalization, and hospital expense.
Materials and methods
This prospective study included patients undergoing OPCABG at Beijing An Zhen hospital from January 2018 to December 2018. OSAHS was diagnosed by using a portable sleep monitor before surgery.
Results
Among 74 patients, the prevalence of OSAHS and moderate to severe OSAHS (apnea hypopnea index (AHI) ≥ 15) was 70% and 53%, respectively. Compared with the no to mild OSAHS group (AHI < 15), the moderate to severe OSAHS group presented a lower ejection fraction (P = 0.013). Between these two groups, the incidence of post-OPCABG complications; the duration of intubation, ICU stay, and hospitalization; and the hospital expense did not differ. Notably, the ejection fraction was significantly negatively correlated with the duration of ICU stay and hospital expense.
Conclusions
Patients undergoing OPCABG with severe OSAHS are likely to exhibit a low ejection fraction and poor heart function, which may require a longer ICU stay and incur higher hospital expenses.
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Abbreviations
- AF:
-
Atrial fibrillation
- AHI:
-
Apnea hypopnea index
- BMI:
-
Body mass index
- CPAP:
-
Continuous positive airway pressure
- EF:
-
Ejection fraction
- ICU:
-
Intensive care unit
- OPCABG:
-
Off-pump coronary artery bypass grafting
- OSAHS:
-
Obstructive sleep apnea–hypopnea syndrome
- PG:
-
Polygraphy
- PSG:
-
Polysomnography
- SpO2 :
-
Blood oxygen saturation
- VA:
-
Ventricular arrhythmia
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Acknowledgements
The authors of this study would like to thank all the study participants.
Funding
This study was supported by the International Science & Technology Cooperation Program of China (No. 2015DFA30160), Beijing Municipal Science & Technology Commission (No. Z141100006014057), and Beijing Municipal Administration of Hospitals Ascent Plan under Grant (No. DFL20150602). These three funds had provided portable sleep monitors for the research. The sponsor had no role in the design or conduct of this research.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the Institutional Review Board of Beijing An Zhen Hospital of Capital Medical University (Approval No: 2013025).
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Informed consent was obtained from all individual participants included in the study.
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The authors declare no competing interests.
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Gao, M., Wang, P., Tang, T. et al. Effects of obstructive sleep apnea hypopnea syndrome on postoperative complications in patients who undergo off-pump coronary artery bypass grafting. Sleep Breath 26, 1897–1905 (2022). https://doi.org/10.1007/s11325-022-02649-4
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DOI: https://doi.org/10.1007/s11325-022-02649-4