The performance of △POP in the assessment of fluid responsiveness in septic shock patients in emergency department
2014
Objective Respiratory variations in the pulse oximetry plethysmographic waveform amplitude (△POP) have been popularly studied as a dynamic indicators for fluid responsiveness assessment.The authors hypothesized that △POP can indicate fluid responsiveness in septic shock patient in emergency department.Methods A prospective study of 28 patients with septic shock was carried out in Emergency Room and Emergency Intensive Care Unit from 1 October,2010 to 30 September,2011.Hemodynamic data including cardiac index,stroke volume Variation (SVV) and △POP were recorded before and after volume expansion treatment.Fluid responsiveness was defined as an increase in cardiac index of 15% or greater.Results Changes in △POP after volume expansion were greater in responders than that in non-responders (P < 0.01).There was a significant relation between △POP and SVV before volume expansion (r =0.900,P < 0.0001).Conclusions △POPcan indicate fluid responsiveness non-invasively in septic shock patient in emergency department.This marker has potential clinical application with high sensitivity and reliability.
Key words:
Fluid responsiveness; Septic shock; Emergency department
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