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The Journal of Maternal-Fetal & Neonatal Medicine Volume 33, 2020 - Issue 3
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Original Article

Identifying newborns with umbilical cord blood metabolic acidosis by intrapartum cardiotography combined with fetal ECG ST analysis (STAN): comparison of the new and old FIGO systems to classify cardiotocograms

Per OlofssonInstitution of Clinical Sciences, Lund University, Malmö, Sweden; Correspondence[email protected]
,
Håkan NorénDepartment of Obstetrics and Gynecology, Sahlgren’s University Hospital, University of Gothenburg, Gothenburg, Sweden;
,
Ann CarlssonDepartment of Obstetrics and Gynecology, Sahlgren’s University Hospital, University of Gothenburg, Gothenburg, Sweden;
&
Karl G. RosénSahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
Pages 404-409 | Received 23 Apr 2018, Accepted 25 Jun 2018, Published online: 12 Oct 2018

References

  • Ayres-de-Campos D, Spong CY, Chandraharan E. FIGO consensus guidelines on intrapartum fetal monitoring: cardiotocography. Int J Gynecol Obstet. 2015;131:13–24.
  • Olofsson P, Norén H, Carlsson A. New FIGO and Swedish intrapartum cardiotocography classification systems incorporated in the fetal ECG ST analysis (STAN) interpretation algorithm: agreements and discrepancies in cardiotocography classification and evaluation of significant ST events. Acta Obstet Gynecol Scand. 2018;97:219–228.
  • Rosén KG, Mårtendal A. The physiology of fetal surveillance. The green book of Neoventa Part I. Göteborg: Neoventa Medical AB; 2014.
  • FIGO Subcommittee on Standards in Perinatal Medicine. Guidelines for the use of fetal monitoring. Int J Gynecol Obstet 1987;25:159–167.
  • Luttkus AK, Norén H, Stupin JH, et al. Fetal scalp pH and ST analysis of the fetal ECG as an adjunct to CTG – a multi-centre, observational study. J Perinat Med. 32:486–494.
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  • Wiberg N, Källén K, Olofsson P. Base deficit estimation in umbilical cord blood is influenced by gestational age, choice of fetal fluid compartment, and algorithm for calculation. Am J Obstet Gynecol. 2006;195:1651–1656.
  • Kiserud T, Piaggio G, Carroli G, et al. The World Health Organization fetal growth charts: a multinational longitudinal study of ultrasound biometric measurements and estimated fetal weight. PLOS Med. 2017;14:e1002220.
  • VassarStats [Internet]. Website for statistical computation. Available from: http://vassarstats.net
  • Amer-Wåhlin I, Källén K, Herbst A, et al. Implementation of new medical techniques: experience from the Swedish randomized controlled trial on fetal ECG during labor. J Matern Fetal Neonatal Med. 2005;18:93–100.
  • Norén H, Carlsson A. Reduced prevalence of metabolic acidosis at birth: an analysis of established STAN usage in the total population of deliveries in a Swedish district hospital. Am J Obstet Gynecol. 2010;202:546.e1–546.e7.
  • Ingemarsson I, Ingemarsson E. Fosterövervakning Med CTG. [Fetal Surveillance with CTG]. Lund: Studentlitteratur; 2006.
  • Nunes I, Ayres-de-Campos D, Kwee A, et al. Prolonged saltatory fetal heart rate pattern leading to newborn metabolic acidosis. Clin Exp Obstet Gynecol. 2014;41:507–511.
  • Rosén KG, Norén H, Carlsson A. FHR patterns that become significant in connection with ST waveform changes and metabolic acidosis at birth. J Matern Fetal Neonatal Med. 2018 [Apr 18]; [1–6].

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