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Is perfusion index a surrogate indicator of left ventricular contractility in neonates? A prospective study
INTRODUCTION: Noninvasive blood pressure monitoring may not accurately reflect cardiac contractility in neonates due to low vascular tone. The perfusion index (PI) is a noninvasive method of assessing the strength of peripheral pulses. It is shown to have a significant correlation with the left vent...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Wolters Kluwer - Medknow
2023
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10243667/ https://www.ncbi.nlm.nih.gov/pubmed/37287834 http://dx.doi.org/10.4103/apc.apc_71_22 |
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author | Seyad, Sohail V. Shambhu, Sunil Kumar Doreswamy, Srinivasa Murthy |
author_facet | Seyad, Sohail V. Shambhu, Sunil Kumar Doreswamy, Srinivasa Murthy |
author_sort | Seyad, Sohail V. |
collection | PubMed |
description | INTRODUCTION: Noninvasive blood pressure monitoring may not accurately reflect cardiac contractility in neonates due to low vascular tone. The perfusion index (PI) is a noninvasive method of assessing the strength of peripheral pulses. It is shown to have a significant correlation with the left ventricular output. This prospective study estimates the correlation between PI and cardiac contractility in neonates. METHODS AND RESULTS: All hemodynamically stable neonates who were on substantial enteral feeds and not on any respiratory or inotropic support underwent measurement of PI and echocardiography examination. Various indices of left ventricular contractility were estimated, and the correlation coefficient between them and PI was determined. Fifty-six neonates were studied. The median (interquartile range [IQR]) PI was 1.5 (1.25-1.75). The median (IQR) PI in preterm neonates was 1.5 (1.2–1.8) and that in term neonates was 1.8 (1.25–2.7) (P = 0.064). PI had a correlation of 0.205 with fractional shortening (P = 0.129) and 0.13 with left ventricular ejection fraction (P = 0.821). The Spearman’s correlation coefficient between PI and velocity of circumference fiber shortening was 0.009 (P = 0.945). The Spearman’s correlation coefficient between PI and cardiac output was −0.115 (P = 0.400). CONCLUSION: The PI does not correlate with left ventricular contractility parameters in neonates. |
format | Online Article Text |
id | pubmed-10243667 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | Wolters Kluwer - Medknow |
record_format | MEDLINE/PubMed |
spelling | pubmed-102436672023-06-07 Is perfusion index a surrogate indicator of left ventricular contractility in neonates? A prospective study Seyad, Sohail V. Shambhu, Sunil Kumar Doreswamy, Srinivasa Murthy Ann Pediatr Cardiol Original Article INTRODUCTION: Noninvasive blood pressure monitoring may not accurately reflect cardiac contractility in neonates due to low vascular tone. The perfusion index (PI) is a noninvasive method of assessing the strength of peripheral pulses. It is shown to have a significant correlation with the left ventricular output. This prospective study estimates the correlation between PI and cardiac contractility in neonates. METHODS AND RESULTS: All hemodynamically stable neonates who were on substantial enteral feeds and not on any respiratory or inotropic support underwent measurement of PI and echocardiography examination. Various indices of left ventricular contractility were estimated, and the correlation coefficient between them and PI was determined. Fifty-six neonates were studied. The median (interquartile range [IQR]) PI was 1.5 (1.25-1.75). The median (IQR) PI in preterm neonates was 1.5 (1.2–1.8) and that in term neonates was 1.8 (1.25–2.7) (P = 0.064). PI had a correlation of 0.205 with fractional shortening (P = 0.129) and 0.13 with left ventricular ejection fraction (P = 0.821). The Spearman’s correlation coefficient between PI and velocity of circumference fiber shortening was 0.009 (P = 0.945). The Spearman’s correlation coefficient between PI and cardiac output was −0.115 (P = 0.400). CONCLUSION: The PI does not correlate with left ventricular contractility parameters in neonates. Wolters Kluwer - Medknow 2023 2023-04-04 /pmc/articles/PMC10243667/ /pubmed/37287834 http://dx.doi.org/10.4103/apc.apc_71_22 Text en Copyright: © 2023 Annals of Pediatric Cardiology https://creativecommons.org/licenses/by-nc-sa/4.0/This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms. |
spellingShingle | Original Article Seyad, Sohail V. Shambhu, Sunil Kumar Doreswamy, Srinivasa Murthy Is perfusion index a surrogate indicator of left ventricular contractility in neonates? A prospective study |
title | Is perfusion index a surrogate indicator of left ventricular contractility in neonates? A prospective study |
title_full | Is perfusion index a surrogate indicator of left ventricular contractility in neonates? A prospective study |
title_fullStr | Is perfusion index a surrogate indicator of left ventricular contractility in neonates? A prospective study |
title_full_unstemmed | Is perfusion index a surrogate indicator of left ventricular contractility in neonates? A prospective study |
title_short | Is perfusion index a surrogate indicator of left ventricular contractility in neonates? A prospective study |
title_sort | is perfusion index a surrogate indicator of left ventricular contractility in neonates? a prospective study |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10243667/ https://www.ncbi.nlm.nih.gov/pubmed/37287834 http://dx.doi.org/10.4103/apc.apc_71_22 |
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