BioZ.com`TM´を用いた胸郭インピーダンス法による心拍出量測定は心臓手術に有効か?
スポンサーリンク
概要
- 論文の詳細を見る
Purpose ; The thoracic bioimpedance method (TBI) is thought to be useful to measure cardiac output continuously and non-invasively. In this study, the usefulness of TBI using BioZ.com<SUP>TM</SUP> (CardioDynamics International Corp.) in cardiac surgery was examined in comparison with continuous thermodilution methods (CCO) using Vigilance<SUP>TM</SUP> (Edwards Lifesciences LLC).<BR>Methods; Cardiac output was continuously measured by both TBI and CCO in 10 patients (ASA risk II) undergoing elective coronary artery bypass grafting. Data were collected (1) after intubation but before incision; (2) after surgery; and (3)12hrs after surgery, when hemodynamics were stable.<BR>Results; Cardiac output measured by TBI and CCO were ranging (1) 1.7to 2.3l·min<SUP>-1</SUP>·kg<SUP>-1</SUP> and 1.0 to 2.7 l·min<SUP>-1</SUP>·kg<SUP>-1</SUP>, (2) 1.1 to 3.1l·min<SUP>-1</SUP>·kg<SUP>-1</SUP> and 1.9 to 4.0l·min<SUP>-1</SUP>·kg<SUP>-1</SUP>, (3) 1.7 to 3.1l·min<SUP>-1</SUP>·kg<SUP>-1</SUP> and 2.3 to 3.9l·min<SUP>-1</SUP>·kg<SUP>-1</SUP>, respectively. And, correlations between cardiac output measured by TBI (Y) and CCO (X) were (1)y=0.891+0.408x;r=0.366, (2) y=0.771+0.478x;r=0.559, and (3)y=0.592+1. 057x;r=0.573.<BR>Conclusions; In cardiac surgery, TBI might be useless to measure cardiac output because it did not have a good correlation with CCO.
- 日本循環制御医学会の論文
日本循環制御医学会 | 論文
- 心刺創に対する経食道心エコー図の有用性
- Mayer波帯域における脈波伝播時間-心拍数間の相互相関を用いた情動反応の定量化
- 癌性サブイレウスを呈した急性冠症候群の2手術症例
- 釘打ち器による左室,右室損傷の1例
- ST depression during thoracic cavity irrigation in a patient undergoing fistula closure for pneumothorax