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<p>To investigate the feasibility of regional oxygen saturation (rSO<sub>2</sub>) monitoring for preventing acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) caused by cardiopulmonary bypass (CPB) in infants undergoing ventricular septal defect (VSD) closure. This study included 49 infants who underwent VSD closure between January 2012 and December 2023. Patients with preoperative pulmonary hypertension were excluded. rSO<sub>2</sub> of the head, abdomen, and thigh was monitored perioperatively. ALI/ARDS was defined as a PaO<sub>2</sub>/FiO<sub>2</sub> ratio (P/F ratio) ≤ 300 upon pediatric intensive care unit (PICU) admission. The median age at surgery was 4 (interquartile range: 3–5) months, and the median weight was 6.03 (interquartile range: 5.30–6.78) kg. Five (10%) patients developed postoperative ALI/ARDS and had a longer PICU stay (8 vs 5&#xa0;days, <i>P</i> &lt; 0.001) and hospital stay (10 vs 5&#xa0;days, <i>P</i> = 0.005). According to multiple regression analysis, thigh rSO<sub>2</sub> during CPB was a significant predictor of postoperative P/F ratio (β: 4.88, standard error: 1.99, <i>P</i> = 0.02). Receiver operating characteristic curve analysis showed that thigh rSO<sub>2</sub> during CPB (area under the curve: 0.87, <i>P</i> = 0.01) significantly predicted postoperative ALI/ARDS. The optimal cutoff value for thigh rSO<sub>2</sub> was 71%, with a sensitivity of 80% and specificity of 93%. Thigh rSO<sub>2</sub> monitoring during CPB may be effective for detecting ALI/ARDS in infants who underwent VSD closure. Maintaining rSO<sub>2</sub> levels above 71% might help prevent the onset of ALI/ARDS.</p>

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Prediction of acute lung injury/acute respiratory distress syndrome after cardiopulmonary bypass in infants by monitoring femoral oxygen saturation

  • 期刊论文

  • 发表日期：

    2025年8月30日

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  • Kenta Matsui,
  • Norihiko Oka,
  • Fumiaki Shikata,
  • Satoshi Kohira,
  • Tadashi Kitamura,
  • Toshiaki Mishima,
  • Masaomi Fukuzumi,
  • Ryoichi Kondo,
  • Yusuke Motoji,
  • Yoshimi Tamura,
  • Saya Ishikawa,
  • Kiyotaka Fujii,
  • Masami Fujii,
  • Kagami Miyaji

摘要

To investigate the feasibility of regional oxygen saturation (rSO2) monitoring for preventing acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) caused by cardiopulmonary bypass (CPB) in infants undergoing ventricular septal defect (VSD) closure. This study included 49 infants who underwent VSD closure between January 2012 and December 2023. Patients with preoperative pulmonary hypertension were excluded. rSO2 of the head, abdomen, and thigh was monitored perioperatively. ALI/ARDS was defined as a PaO2/FiO2 ratio (P/F ratio) ≤ 300 upon pediatric intensive care unit (PICU) admission. The median age at surgery was 4 (interquartile range: 3–5) months, and the median weight was 6.03 (interquartile range: 5.30–6.78) kg. Five (10%) patients developed postoperative ALI/ARDS and had a longer PICU stay (8 vs 5 days, P < 0.001) and hospital stay (10 vs 5 days, P = 0.005). According to multiple regression analysis, thigh rSO2 during CPB was a significant predictor of postoperative P/F ratio (β: 4.88, standard error: 1.99, P = 0.02). Receiver operating characteristic curve analysis showed that thigh rSO2 during CPB (area under the curve: 0.87, P = 0.01) significantly predicted postoperative ALI/ARDS. The optimal cutoff value for thigh rSO2 was 71%, with a sensitivity of 80% and specificity of 93%. Thigh rSO2 monitoring during CPB may be effective for detecting ALI/ARDS in infants who underwent VSD closure. Maintaining rSO2 levels above 71% might help prevent the onset of ALI/ARDS.