Abstract
Background: Postoperative positive pressure lung expansion is associated with decreased pulmonary complications and improved clinical outcomes. The study aimed to compare the difference of pulmonary complication and clinical outcomes in post-cardiac surgery patients received mechanical insufflation-exsufflation (MI-E) versus intermittent positive pressure breathing (IPPB) therapy.
Methods: The study retrospectively recruited 48 consecutive patients received cardiac surgery in an intensive care unit of a tertiary hospital. After liberation from mechanical ventilator, patients received lung expansion therapy by MI-E (n=20) or IPPB (n=28) devices. The pulmonary complications, lung function, and clinical outcomes were compared between both groups.
Results: The baseline characteristics and surgical types were similar between both groups. The patients received MI-E therapy had higher post-operative force vital capacity (58.9±4.96% vs. 45.21±3.60%, p=0.026), forced expiratory volume in one second (63.35±5.4% vs. 45.48±3.63%, p=0.007), and peak flow rate (68.5±5.53% vs. 54.75±4.11%, p=0.047) than those received non-oscillatory therapy. However, MI-E group (n=13, 65%) had increased incidence of chest pain compared with IPPB group (n=4, 14.3%; odds ratio, 11.14, 95% confidence interval, 2.74-45.26; p=0.001). The length of hospital stay, development of atelectasis, and pneumonia were similar between both groups.
Conclusion: In post-cardiac surgery patients, IPPB and MI-E offered similar effects on preventing postoperative complications. MI-E therapy was associated with improved pulmonary function and a higher incidence of chest pain compared with those received IPPB therapy.
Footnotes
Cite this article as: European Respiratory Journal 2020; 56: Suppl. 64, 945.
This abstract was presented at the 2020 ERS International Congress, in session “Respiratory viruses in the "pre COVID-19" era”.
This is an ERS International Congress abstract. No full-text version is available. Further material to accompany this abstract may be available at www.ers-education.org (ERS member access only).
- Copyright ©the authors 2020