Meta-Analysis shows significant improvements with ST-analysis

The March 2013 American Journal of Obstetrics and Gynecology (AJOG) included a publication by Schuit et al. entitled “Effectiveness of electronic fetal monitoring with additional ST analysis in vertex singleton pregnancies at >36 weeks of gestation: an individual participant data meta-analysis (MA).” Since the publication of the AJOG article, there have been two Letters to Editor, one from Prof. Rosen and a response from the authors, regarding issues with this particular MA. We encourage you to read these letters (on-line) …

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Renewed meta-analysis: Further support for ST Analysis

The objective of this meta-analysis was to investigate the additional effect of ST Analysis as an adjunct to electronic fetal monitoring. In order to overcome the shortcomings of conventional meta-analysis that uses aggregated data, the present analysis used individual participant data to allow for a more thorough investigation by taking all information into account, including accounting for missing data.
Only four of the five published randomised controlled trials (RCT) were included in the analysis. The first RCT by Westgate …

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Newsletter December 2012

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How to configure STAN S31 for automatic clock synchronization

There are two ways of synchronizing the STAN S31 system clock. You can either set up synchronization against a central monitoring system (CMS) that is connected via RS-232, and you can set up synchronization against a network server via TCP/IP.
To set up synchronization against a CMS, the following prerequisites must be fulfilled:A: Your STAN S31 must have software version R6A or later.B: You must a Central Monitoring System that support clock synchronization. (Check with your CMS vendor for confirmation.)
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How to configure STAN S31 for IP networking

First connect the STAN to the network using a TP (i.e. twisted pair) network cable with RJ-45 connectors. Ensure that the correct cabling is used and that a CNK 101 003 Ethernet Isolation Box is connected between the STAN and the network. If you want to connect STAN directly to the network port of a printer, without going e.g. through a switch or a network HUB, the Rx/Tx signals of the cable need to be crossed.
Start the STAN and …

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How to configure STAN for network printing

Ensure that the printer supports the PCL-5 language, that it has a network connection and supports the LPD (Line Printer Daemon) network protocol. Optionally, the printer can be connected through a network printer server that supports LPD.
Configure STAN for IP networking as described above. If STAN and the printer are to be connected locally using a crossed cable, we recommend that both STAN and printer are configured with fixed IP addresses in the 192.168.0.x series (e.g. 192.168.0.1 for STAN …

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How to build a demo USB with your own STAN cases

Building your own demo USB to use with Stan S31, containing your own recordings is easy.
1. Use a USB stick that works with Stan S31. Note that you cannot use the same USB as you use for archiving Stan recordings.
2. To test whether a USB stick works with Stan, start a new recording, hold down the ‘End’ menu button and then press the ‘System Status’ dialog that appears. Select the ‘External devices’ view. Connect your USB stick to …

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Interview with Jörg Kessler, MD PhD, Department of Ob/Gyn, Haukeland University Hospital Bergen.

You have used ST Analysis at your department since 2004. What were your experiences from when you first introduced the method?
When we made the decision to implement ST Analysis, we were very much focused on education and training. Before going live with the method all 160 midwifes and doctors went through theoretical and practical education and became certified Stan users. Right from the start regular sessions for retrospective case discussions have been part of a continuous learning process.
And …

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Fetal ECG waveform – helps differentiating maternal from fetal heart rate

The objective of this retrospective study was to investigate the incidence of heart rate accelerations coinciding with contractions during the second stage of labour when monitored either with abdominal ultrasound (external) or scalp electrode (internal).

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Five years of ST Analysis usage in Bergen – a quality improvement study

Data from five years of clinical usage of ST Analysis and Stan at the Labour and Delivery ward at Haukeland University Hospital in Bergen, Norway is reported in this prospective observational study. The study was defined as a project of quality improvement, and included a total of 22,475women selected for vaginal delivery.

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