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Comparison of Respiratory Variations of the Pulse Oximetry Plethysmographic Raw Signal and Pulse Pressure During Abdominal Surgery (PLETHYSMO) — PLETHYSMO  

Abdominal Surgery Clinical Trial

Official title:
Comparison of Respiratory Variations of the Pulse Oximetry Plethysmographic Raw Signal and Pulse Pressure During Abdominal Surgery (PLETHYSMO)

Clinical Trial Summary

The waveform plethysmographic signal can be used to establish an index for predicting fluid responsiveness (∆POP: respiratory variation of the plethysmographic waveform of pulse oximetry). This index was validated in some studies and because of its non-invasiveness it seems very interesting in anesthesia.

However, in a previous study the investigators evaluated the correlation between the results provided by this index (∆POP) and those of the reference index (∆PP: pulse pressure variation), and the obtained results were significantly lower than what had been previously described. In this study, the index was calculated from a recording of a filtered signal. This unavoidable application of a filter on anesthesia monitors could contribute to the discrepancy between the ∆POP and the ∆PP.

The realization of a new study, comparing ∆PP and ∆POP obtained from an unfiltered plethysmographic signal, should answer the ∆POP ability to be used in place of ∆PP.

Clinical Trial Description

n/a

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02817893
Study type Observational
Source Hospices Civils de Lyon
Contact
Status Active, not recruiting
Phase N/A
Start date October 2015
Completion date August 2016
View Details
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