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Type: Journal article
Title: Predictive value of the baseline T-QRS ratio of the fetal electrocardiogram in intrapartum fetal monitoring: a prospective cohort study
Author: Becker, J.
Kuipers, L.
Schuit, E.
Visser, G.
Van den Akker, E.
van Beek, E.
Bolte, A.
Rijnders, R.
Mol, B.
Porath, M.
Drogtrop, A.
Schuitemaker, N.
Willekes, C.
Westerhuis, M.
Moons, K.
Kwee, A.
Citation: Acta Obstetricia et Gynecologica Scandinavica, 2012; 91(2):189-197
Publisher: Wiley
Issue Date: 2012
ISSN: 0001-6349
Statement of
Jeroen H. Becker, Lidewij J.M. Kuipers, Ewoud Schuit, Gerard H.A. Visser, Eline S.A. Van Den Akker, Erik Van Beek, Antoinette C. Bolte, Robert J.P. Rijnders, Ben Willem J. Mol, Martina M. Porath, Addy P. Drogtrop, Nico W.E. Schuitemaker, Christine Willekes, Michelle E.M.H. Westerhuis, Karel G.M. Moons, Anneke Kwee
Abstract: Objective. To evaluate the added value of the baseline T/QRS ratio to other known risk factors in predicting adverse outcome and interventions for suspected fetal distress. Design. Prospective cohort study. Setting. Three academic and six non-academic teaching hospitals in the Netherlands. Population. Laboring women with a high-risk cephalic singleton pregnancy beyond 36 weeks of gestation. Methods. We obtained STAN® recordings (ST-analysis, Neoventa, Sweden) from two previous studies. Three patient groups were defined: cases with adverse outcome, cases with emergency delivery because of suspected fetal distress without adverse outcome, and a reference group of uncomplicated cases. Baseline T/QRS ratios among the adverse outcome and intervention for suspected fetal distress cases were compared to those of the uncomplicated cases. The ability of baseline T/QRS to predict adverse outcome and suspected fetal distress was determined using a multivariable logistic model. Main outcome measures. The added value of the baseline T/QRS to other known risk factors in the prediction of adverse outcome and interventions for suspected fetal distress. Results. From 3462 recordings, 2459 were available for analysis. Median baseline T/QRS for uncomplicated cases, adverse outcome and interventions for suspected fetal distress were 0.12 (range 0.00–0.52), 0.12 (0.00–0.42) and 0.13 (0.00–0.39), respectively. There was no statistical difference between these groups. Multivariable analysis showed no added value of baseline T/QRS in the prediction of either adverse outcome or interventions for suspected fetal distress. Conclusion. Baseline T/QRS has no added value in the prediction of adverse neonatal outcome or interventions for suspected fetal distress.
Keywords: fetal electrocardiogram; intrapartum monitoring; metabolic acidosis; STAN®; ST-analysis; T-QRS ratio
Rights: © 2012 The Authors
RMID: 0020136890
DOI: 10.1111/j.1600-0412.2011.01320.x
Appears in Collections:Obstetrics and Gynaecology publications

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