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Plethysmograph Variability Index Values in Healthy Neonates – An Observational Pilot Study

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Abstract

Objectives

To establish normative data of plethysmograph variability index (PVI), a simple non-invasive tool to measure fluid responsiveness, in neonates.

Methods

All healthy term and late preterm neonates were enrolled. PVI was recorded by pulse-oximeter on first three days of life along with other vital parameters. Data was analysed using SPSS software.

Results

The median PVI value was noted to be 21 with a wide range. The distribution of PVI did not differ according to day of life/ gestational age/ gender/ weight for gestational age. It did not significantly correlate with heart rate, gestational age or birth weight. A weak positive correlation was noted between PVI and PI (Rho = 0.157, p <0.001).

Conclusions

PVI normative data in neonates has been presented. Serial trend of PVI values is more useful than a single value in making clinical decisions.

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Authors and Affiliations

  1. Department of Neonatology, Manipal Hospital, Bangalore, Karnataka, 560017, India

    Vindhya Narayanaswamy, Ravi Shankar Swamy, Venkatesh Harohalli A & Karthik Nagesh N

Authors
  1. Vindhya Narayanaswamy
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  2. Ravi Shankar Swamy
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  3. Venkatesh Harohalli A
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  4. Karthik Nagesh N
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Contributions

VN collected the data, analysed the results and wrote the initial draft; KNN designed the study, analysed the results and revised the manuscript; VHA and RSS helped to design the study and revise the manuscript. KNN will act as guarantor for this manuscript.

Corresponding author

Correspondence to Karthik Nagesh N.

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Narayanaswamy, V., Swamy, R.S., Harohalli A, V. et al. Plethysmograph Variability Index Values in Healthy Neonates – An Observational Pilot Study. Indian J Pediatr (2023). https://doi.org/10.1007/s12098-023-04897-y

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  • DOI: https://doi.org/10.1007/s12098-023-04897-y

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