title: [Complexity analysis and intrapartum CTG].
abstract: OBJECTIVE
  This study was performed to prove, if the use of methods, that are based on procedures for analysis of chaotic systems ("complexity analysis"), can give information on the fetal condition during birth and predict both the course of delivery and fetal outcome.
  
  
  METHODS
  Fetal ECG was derived in 37 pregnancies (36-42 weeks of gestation) during birth for two to seven hours. In 12 cases delivery was uncomplicated, in 24 cases FHR tracings had been pathological.
  
  
  RESULTS
  Complexity analysis of fetal ECG signals showed within short observation intervals criteria that may be a hint for imminent fetal distress and acidosis.
  
  
  CONCLUSIONS
  Application of complexity analysis in the future may give additional information for evaluation of intrapartum CTG in cases of suspicious FHR patterns.
authors.affiliation: Frauenklinik und Poliklinik der TU München, Klinikum rechts der Isar.
authors.forename: J
authors.initials: J
authors.lastname: Gnirs
authors.forename: W
authors.initials: W
authors.lastname: Bunk
authors.forename: K T
authors.initials: KT
authors.lastname: Schneider
authors.forename: G E
authors.initials: GE
authors.lastname: Morfill
authors.forename: H
authors.initials: H
authors.lastname: Graeff
mesh_terms: D000328:Adult; D015148:Cardiotocography / Q000295:instrumentation*; D004562:Electrocardiography / Q000295:instrumentation*; D005260:Female; D005316:Fetal Distress / Q000175:diagnosis* / Q000503:physiopathology; D005865:Gestational Age; D006340:Heart Rate, Fetal / Q000502:physiology; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011256:Pregnancy Outcome; D018566:Pregnancy, High-Risk; D012815:Signal Processing, Computer-Assisted
vernacular_title: Komplexitätsanalyse und intrapartuales CTG.