1991
DOI: 10.1515/jpme.1991.19.1-2.61
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Abstract: Cardiotocography (CTG) lacks reliability and reproducibility and these problems are believed to be overcome by computer analysis. In this article we describe a system developed for routine clinical automated CTG analysis based on a low cost personal computer. Presently the system has processed 70 ten minute tracings. Fetal heart rate baseline, acceleration--deceleration detection, and long term variability estimation were performed in a satisfactory way.

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Cited by 93 publications
(56 citation statements)
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“…Namely, with this study we intended to assess whether linear and nonlinear HR analysis was able to discriminate acute anoxia from baseline in rats and if this was consistent with human foetal and adult studies. The ultimate goal is a better understanding of the meaning of these methods, regarding their application in clinical research and practice, namely in the field of computerized FHR analysis (Bernardes et al 1991, Ayres-de-Campos et al 2000.…”
Section: Introductionmentioning
confidence: 99%
“…Namely, with this study we intended to assess whether linear and nonlinear HR analysis was able to discriminate acute anoxia from baseline in rats and if this was consistent with human foetal and adult studies. The ultimate goal is a better understanding of the meaning of these methods, regarding their application in clinical research and practice, namely in the field of computerized FHR analysis (Bernardes et al 1991, Ayres-de-Campos et al 2000.…”
Section: Introductionmentioning
confidence: 99%
“…Computer analysis of CTGs was introduced in the 1980s [9,17,21,24] in an attempt to overcome the subjectivity of visual analysis [3,29] . The fi rst systems were developed for antepartum monitoring, where increased baseline stability, lower signal loss and artefacts and reduced tracing length pose less challenges for signal processing and algorithm development.…”
Section: Discussionmentioning
confidence: 99%
“…This system was developed at the Medical School and Institute of Biomedical Engineering at the University of Porto, in Portugal [4,9] . It allows the simultaneous monitoring of up to 16 patients on the same computer screen, accessible in an unlimited number of locations.…”
Section: Omniview-sisporto ® (Speculum Lisbon Portugal)mentioning
confidence: 99%
“…The Omniview-SisPorto Ò 3.5 system (Speculum, Lisbon, Portugal) is a program for computer analysis of CTG and ST event signals, developed over the last 21 years at the University of Porto. 4,5 Computerised analysis follows the classical steps of visual CTG analysis: baseline rate estimation, identification of accelerations, identification of decelerations, identification of contractions, and quantification of short-term and long-term variability. The system is extensively described elsewhere.…”
Section: Introductionmentioning
confidence: 99%