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The Effect and Safety of Alveolar Recruitment Maneuver using Pressure-Controlled Ventilation in Acute Lung Injury and Acute Respiratory Distress Syndrome  

Chung, Kyung Soo (Department of Internal Medicine, Yonsei University College of Medicine)
Park, Byung Hoon (Department of Internal Medicine, Yonsei University College of Medicine)
Shin, Sang Yun (Department of Internal Medicine, Yonsei University College of Medicine)
Jeon, Han Ho (Department of Internal Medicine, Yonsei University College of Medicine)
Park, Seon Cheol (Department of Internal Medicine, Yonsei University College of Medicine)
Kang, Shin Myung (Department of Internal Medicine, Yonsei University College of Medicine)
Park, Moo Suk (Department of Internal Medicine, Yonsei University College of Medicine)
Han, Chang Hoon (Department of Internal Medicine, National Health Insurance Corporation Ilsan Hospital)
Kim, Chong Ju (Department of Internal Medicine, National Health Insurance Corporation Ilsan Hospital)
Lee, Sun Min (Department of Internal Medicine, National Health Insurance Corporation Ilsan Hospital)
Kim, Se Kyu (Department of Internal Medicine, Yonsei University College of Medicine)
Chang, Joon (Department of Internal Medicine, Yonsei University College of Medicine)
Kim, Sung Kyu (Department of Internal Medicine, Yonsei University College of Medicine)
Kim, Young Sam (Department of Internal Medicine, Yonsei University College of Medicine)
Publication Information
Tuberculosis and Respiratory Diseases / v.63, no.5, 2007 , pp. 423-429 More about this Journal
Abstract
Background: Alveolar recruitment (RM) is one of the primary goals of respiratory care for an acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). The purposes of alveolar recruitment are an improvement in pulmonary gas exchange and the protection of atelectrauma. This study examined the effect and safety of the alveolar RM using pressure control ventilation (PCV) in early ALI and ARDS patients. Methods: Sixteen patients with early ALI and ARDS who underwent alveolar RM using PCV were enrolled in this study. The patients data were recorded at the baseline, and 20 minutes, and 60 minutes after alveolar RM, and on the next day after the maneuver. Alveolar RM was performed with an inspiratory pressure of $30cmH_2O$ and a PEEP of $20cmH_2O$ in a 2-minute PCV mode. The venous $O_2$ saturation, central venous pressure, blood pressure, pulse rate, $PaO_2/FiO_2$ ratio, PEEP, and chest X-ray findings were obtained before and after alveolar RM. Results: Of the 16 patients, 3 had extra-pulmonary ALI/ARDS and the remaining 13 had pulmonary ALI/ARDS. The mean PEEP was 11.3 mmHg, and the mean $PaO_2/FiO_2$ ratio was 130.3 before RM. The $PaO_2/FiO_2$ ratio increased by 45% after alveolar RM. The $PaO_2/FiO_2$ ratio reached a peak 60 minutes after alveolar RM. The Pa$CO_2$ increased by 51.9 mmHg after alveolar RM. The mean blood pressure was not affected by alveolar RM. There were no complications due to pressure injuries such as a pneumothorax, pneumomediastinum, and subcutaneous emphysema. Conclusion: In this study, alveolar RM using PCV improved the level of oxygenation in patients with an acute lung injury and acute respiratory distress syndrome. Moreover, there were no significant complications due to hemodynamic changes and pressure injuries. Therefore, alveolar RM using PCV can be applied easily and safely in clinical practice with lung protective strategy in early ALI and ARDS patients.
Keywords
Recruitment maneuvers; Acute Lung injury; Acute respiratory distress syndrome; Pressure-controlled ventilation;
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