Background: To clarify the efficiency of mask O and high-flow O (HFO) treatments following cardiopulmonary bypass (CPB) in obese patients.
Methods: During follow-up, oxygenization parameters including arterial pressure of oxygen (PaO), peripheral oxygen saturation (SpO), and arterial partial pressure of carbon dioxide (PaCO) and physical examination parameters including respiratory rate, heart rate, and arterial pressure were recorded respectively. Presence of atelectasia and dyspnea was noted. Also, comfort scores of patients were evaluated.
Results: Mean duration of hospital stay was 6.9 ± 1.1 days in the mask O group, whereas the duration was significantly shorter (6.5 ± 0.7 days) in the HFO group (=0.034). The PaO values and SpO values were significantly higher, and PaCO values were significantly lower in patients who received HFO after 4th, 12th, 24th, 36th, and 48th hours. In postoperative course, HFO leads patients to achieve better postoperative FVC ( < 0.001). Also, dyspnea scores and comfort scores were significantly better in patients who received HFO in both postoperative day 1 and day 2 ( < 0.001, < 0.001 and =0.002, =0.001, resp.).
Conclusion: Our study demonstrated that HFO following CPB in obese patients improved postoperative PaO, SpO, and PaCO values and decreased the atelectasis score, reintubation, and mortality rates when compared with mask O.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5829344 | PMC |
| http://dx.doi.org/10.1155/2018/1039635 | DOI Listing |
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