J H Boix, F Alvarez, M Tejeda, J Monferrer, E Enrique, O Aznar, E Kuret, F Peydro, D Olivares
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引用次数: 0
摘要
在急性心肌梗死(AMI)所致严重心力衰竭患者中，正压呼吸具有额外的治疗价值。本研究采用平衡放射性核素心血管造影(ERA)技术，评估15 cm H2O面罩CPAP对AMI患者左心室功能的影响。作为对肺膨胀的反应，高水平的PEEP已被证明可以降低心率和卒中量。TPF病理延长和Mean-FR降低的总和表明，由正压施加的限制决定的左室顺应性降低。整体收缩性能得以保留。
Evaluation of the left ventricular performance through equilibrium radionuclide angiocardiography.
In patients with severe heart failure due to acute myocardial infarction (AMI) breathing with PEEP can be of additional therapeutic value. This study was designed to assess the effects of CPAP through face mask with 15 cm H2O on left ventricular performance in AMI patients, using equilibrium radionuclide angiocardiography (ERA). In response to lung inflation, high levels of PEEP have been shown to decrease heart rate and stroke volume. The sum of the TPF pathological prolongation and the Mean-FR reduction suggests a decrease in the left ventricular compliance determined by the restriction imposed by the positive pressure. The global systolic performance is preserved.
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