心大血管手術後の新生児・乳児呼吸管理における食道バルーン法の検討

概要

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To make respiratory management in neonates and infants after cardiovascular surgery easier and more objective, measurement of lung compliance (C_L) and respiratory resistence (R_L) using esophageal balloon technique was examined. Basic investigations of the method and clinical measurement in 16 cases revealed; (1) Esophageal balloon technique provides reasonably precise values of C_L and R_L in neonates and infants in supine position, if properties of the esophageal bolloon and the measuring units are frequently checked, and if the balloon is placed in the esophagus accurately with the formula based on body weight. (2) Clinical investigation was done with 16 neonates and and infants after cardiovascular surgery, of which 9 cases (group 1) were difficult to manage, though 7 (group 2) had little difficulty. Both C_L and R_L showed good relation to other parameters and general condition. Measurement of C_L and R_L should be useful for their post-operative management, assessing their condition more accurately. (3) There were several problems in this trial. Measurement in neonates and infants under mechanical ventilation was impossible because of the leakage from endotracheal tube caused by positive pressure ventilation. It should be recommended, to estimate the condition of the infants not only from C_L and R_L, but also from other informations which are easy to get.
特定非営利活動法人日本小児外科学会の論文
1986-02-20