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Home Industry News Study validates ‘Deltex Medical’s PPWA algorithm for CardioQ-ODM+ monitors’

Study validates ‘Deltex Medical’s PPWA algorithm for CardioQ-ODM+ monitors’

17th March 2015

Use of Deltex Medical's oesophageal Doppler blood (ODM) flow system has been validated when combined with heart rate monitoring, according to new research.

The study – published in a leading anaesthetic journal by doctors at one of France's most prestigious teaching hospitals – reveals that the firm's 1928 pulse pressure waveform analysis (PPWA) algorithm was superior to eight others.

Deltex Medical's Liljestrand-Zander (LZ) PPWA is used in its CardioQ-ODM+ monitors, which combine ODM and PPWA. Compared to the gold standard ODM signal during surgery, LZ was found to have a clinically acceptable percentage of 26 percent compared to the 35 to 43 percent rate of other approaches.

In addition, LZ had the highest percentage of concordance to track the effect of fluid administration, with 86 percent compared to between 42 and 79 percent for rivals.

Authors of the study claim that the LZ model is very effective in tracking cardiac output during haemodynamic instability in surgical procedures when the Doppler signal may be unusable because of interference from electrical scalpels.

Ewan Phillips, chief executive of Deltex Medical, commented: "This is important high-quality validation of our CardioQ-ODM+ that shows we are offering clinicians two best in class technologies in the same monitor. We expect shortly to announce progress with new parameters based around the unique combination of ODM an PPWA."ADNFCR-8000103-ID-801780014-ADNFCR

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