Preterm and term fetal cardiac and movement responses to vibratory acoustic stimulation

To assess fetal response to vibratory acoustic stimulation, 24 preterm (group A; 160 beats/min) was a common finding in both groups. In group A, tachycardia after vibratory acoustic stimulation persisted more than 1 minute in 29.2% and more than 5 minutes in 12.5% of patients. In group B tachycardia...

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Veröffentlicht in:American journal of obstetrics and gynecology 1989-07, Vol.161 (1), p.141-145
Hauptverfasser: Thomas, Ronald L., Johnson, Timothy R.B., Besinger, Richard E., Rafkin, Deedra, Treanor, Catharine, Strobino, Donna
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Sprache:eng
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Zusammenfassung:To assess fetal response to vibratory acoustic stimulation, 24 preterm (group A; 160 beats/min) was a common finding in both groups. In group A, tachycardia after vibratory acoustic stimulation persisted more than 1 minute in 29.2% and more than 5 minutes in 12.5% of patients. In group B tachycardia beyond 1 and 5 minutes was noted in 73.3% and 50% of patients, respectively. A significant shift to "awake" fetal heart rate patterns occurred in both groups; 29% to 79% was noted in group A ( p < 0.001) and 46.7% to 90% in group B ( p < 0.001). When vibratory acoustic stimulation was used, the high occurrence of increased baseline, tachycardia, and emergence of unusual fetal heart rate patterns must be recognized to adequately interpret fetal heart rate tracings.
ISSN:0002-9378
1097-6868
DOI:10.1016/0002-9378(89)90251-2