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EVALUATION OF CHANGES IN CERTAIN ARTERIAL BLOOD GAS INDICES BEFORE AND AFTER ALVEOLAR RECRUITMENT IN LAPAROSCOPIC SURGERYSUMMARY
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Abstract
Objective: To evaluate the changes in certain arterial blood gas indices before and after alveolar recruitment in laparoscopic abdominal surgery. Subjects and Methods: The study involved 41 patients who underwent laparoscopic abdominal surgery under general anesthesia with endotracheal intubation at the 108 Central Military Hospital from October 2023 to May 2024. Results: The PaO2 index after 60 minutes of pneumoperitoneum was 180.71 ± 37.12, which was lower than after 5 minutes of intubation at 202.76 ± 32.22 (p < 0.05). The PaO2 index after alveolar recruitment was 203.41 ± 38.58, higher than before alveolar recruitment at 180.71 ± 37.12 (p < 0.05). The PaO2/FiO2 index after alveolar recruitment was 5.10 ± 0.95, higher than before alveolar recruitment at 4.51 ± 0.92 (p < 0.05). The pH and HCO3 indices at different time points showed no statistically significant differences (p > 0.05). However, the BE index showed statistically significant differences at different time points (p < 0.05). Conclusion: Alveolar recruitment improves PaO2 and PaO2/FiO2 indices, enhancing ventilation-perfusion.
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Keywords
alveolar recruitment, laparoscopic abdominal surgery, artery blood gas
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