Journal
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY
Volume 186, Issue 5, Pages 1095-1103Publisher
MOSBY, INC
DOI: 10.1067/mob.2002.122447
Keywords
antepartum; computer analysis; fetal heart rate; nonstress test; Sonicaid FetalCare
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The development and clinical validation of a computer system for the numerical analysis of nonstress tests is reviewed, and recent improvements are reported. The analysis was developed by using a database of 73,802 nonstress test readings to provide a numerical definition of reactivity that is tailored to the gestational age of the fetus and independent of the presence of accelerations. When used at the bedside, the analysis minimizes monitoring time by alerting the operator when monitoring can be safely stopped because the fetal heart rate is normal. It also detects potentially sinister sinusoidal patterns and improves the quality of nonstress test readings by quantifying signal loss and, if significant, alerting the operator.
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