Pörksen C, Larsen H, Hürter P
Monatsschr Kinderheilkd (1902). 1980 Mar;128(3):123-7.
Cardiorespirographic studies were performed in 11 prematures with episodes of apnea and bradycardia (gestational age: x = 31 weeks, birth weight: x = 1390g). Total registration time was 90 h; 45 h during spontaneous breathing, 45 h during CPAP-treatment. Episodes of bradycardia occured three times more frequently than apnea. The frequency of apnea and bradycardia, the duration of bradycardia and the deceleration area were significantly reduced during CPAP-therapy, whilst the duration of apnea was not influenced. Estimation of deceleration areas as compared to measurements of bradycardia duration offers no further clinical advantage. Respiratory monitoring by impedance has to be supplemental or even replaced by beat-to-beat heart rate monitoring. Cardiorespirography allows assessment of frequency and degree of pathophysiological changes in heart rate and breathing patterns and should be supplemented by transcutaneous oxygen measurements.
对11例出现呼吸暂停和心动过缓的早产儿（胎龄：x = 31周，出生体重：x = 1390g）进行了心肺呼吸描记术研究。总记录时间为90小时；自主呼吸时45小时，持续气道正压通气（CPAP）治疗时45小时。心动过缓发作的频率是呼吸暂停的三倍。在CPAP治疗期间，呼吸暂停和心动过缓的频率、心动过缓的持续时间以及减速面积显著降低，而呼吸暂停的持续时间不受影响。与心动过缓持续时间的测量相比，减速面积的估计没有进一步的临床优势。通过阻抗进行的呼吸监测必须作为补充，甚至应由逐搏心率监测取代。心肺呼吸描记术可以评估心率和呼吸模式的病理生理变化的频率和程度，并且应该辅以经皮氧测量。
