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The Relationship between Respiratory Variations in Pulse Oximetry Plethysmographic Waveform Amplitude and Arterial Pulse Pressure in Mechanically Ventilated Patients-an Observational Study

    Author

    • Angitha Sreekumar, Anil Sathyadas, Anoop P

    India

,

Document Type : Research Article

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Abstract

Introduction: Fluid resuscitation is essential to treat hypovolemia and restore organ perfusion. Respiratory variation in arterial pulse pressure is a reliable predictor of fluid responsiveness in mechanically ventilated patients with circulatory failure.  Respiratory variation in arterial pulse pressure is a reliable predictor of fluid responsiveness in mechanically ventilated patients. Respiratory variations in Pulse Oximetry Plethysmographic waveform peaks also correlate with pulse pressure variability in similar settings.
Aim and objective: The purpose of this study was to assess the relationship between respiratory variations in pulse oximetry plethysmographic waveform amplitude and arterial pulse pressure in ICU patients of a tertiary care hospital in south India.
Methodology: A hospital-based prospective observational study was done at MDICU Department of Anaesthesiology, College Hospital, Trivandrum, s tertiary care hospital for a period of 1 year and 6 months. A total of 77 participants were included in this study. 
Result: The correlation between Pulse Pressure and Pulse Oximetry Plethysmography was statistically not significant.
Conclusion: The Large variability of ∆POP and poor agreement between ∆PP and ∆POP limit the calculation of POP as a potential non-invasive tool for fluid responsiveness in ICU patients. The same analysis should be done with a non-processed plethysmographic signal before ruling out ∆POP as a surrogate of ∆PP.

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European Journal of Molecular & Clinical Medicine
Volume 9, Issue 7
September 2022
Page 2530-2536
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APA

Anoop P, A. S. A. S. (2022). The Relationship between Respiratory Variations in Pulse Oximetry Plethysmographic Waveform Amplitude and Arterial Pulse Pressure in Mechanically Ventilated Patients-an Observational Study. European Journal of Molecular & Clinical Medicine, 9(7), 2530-2536.

MLA

Angitha Sreekumar, Anil Sathyadas, Anoop P. "The Relationship between Respiratory Variations in Pulse Oximetry Plethysmographic Waveform Amplitude and Arterial Pulse Pressure in Mechanically Ventilated Patients-an Observational Study". European Journal of Molecular & Clinical Medicine, 9, 7, 2022, 2530-2536.

HARVARD

Anoop P, A. S. A. S. (2022). 'The Relationship between Respiratory Variations in Pulse Oximetry Plethysmographic Waveform Amplitude and Arterial Pulse Pressure in Mechanically Ventilated Patients-an Observational Study', European Journal of Molecular & Clinical Medicine, 9(7), pp. 2530-2536.

VANCOUVER

Anoop P, A. S. A. S. The Relationship between Respiratory Variations in Pulse Oximetry Plethysmographic Waveform Amplitude and Arterial Pulse Pressure in Mechanically Ventilated Patients-an Observational Study. European Journal of Molecular & Clinical Medicine, 2022; 9(7): 2530-2536.

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