Evidence map›Paper›PMID 29961764›Full record

ArticleJournal of perinatology : official journal of the California Perinatal Association2018

Photoplethysmographic assessment of pulse transit time correlates with echocardiographic measurement of stroke volume in preterm infants with patent ductus arteriosus.

Cynthia R Amirtharaj, Lynn C Palmeri, Gideon Gradwohl, Yair Adar, Meir Nitzan, Dorota Gruber, Andrew Blaufox, David B Meyer, Elena N Kwon, Robert Koppel

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In one paragraph

Article in Journal of perinatology : official journal of the California Perinatal Association, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
1.4field-weighted citation impact, top 18% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 14 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 4 institutions in 2 countries.

Cynthia R AmirtharajCohen Children's Medical Center of New York/Northwell Health, New Hyde Park, NY, USA.
Lynn C PalmeriCohen Children's Medical Center of New York/Northwell Health, New Hyde Park, NY, USA.
Gideon GradwohlApplied Physics/Electro-Optics, Lev Academic Center, Jerusalem, Israel.
Yair AdarApplied Physics/Electro-Optics, Lev Academic Center, Jerusalem, Israel.
Meir NitzanApplied Physics/Electro-Optics, Lev Academic Center, Jerusalem, Israel.
Dorota GruberCohen Children's Medical Center of New York/Northwell Health, New Hyde Park, NY, USA.
Andrew BlaufoxCohen Children's Medical Center of New York/Northwell Health, New Hyde Park, NY, USA.
David B MeyerCohen Children's Medical Center of New York/Northwell Health, New Hyde Park, NY, USA.
Elena N KwonCohen Children's Medical Center of New York/Northwell Health, New Hyde Park, NY, USA.
Robert KoppelCohen Children's Medical Center of New York/Northwell Health, New Hyde Park, NY, USA. rkoppel@northwell.edu.
Cohen Children's Medical Center · USJerusalem College of Technology · ILNorthwell Health · USHofstra University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveWe aimed to correlate photoplethysmographic parameters with stroke volume in infants with PDA. Photoplethysmography constitutes the optical signal in pulse oximetry. STUDY

designStroke volume was determined echocardiographically. Pulse transit time, right hand to foot arrival time difference, and relative amplitude were measured from pulse oximeter and ECG waveforms. Photoplethysmographic parameters before and after PDA closure were compared with stroke volume.

resultsAfter PDA closure, pulse transit time to the hand and to the foot were prolonged (54.7 ± 6.7 vs 65.5 ± 9.8 ms, p < 0.001, 82.5 ± 12.8 vs 88.6 ± 10.6 ms, p = 0.03), arrival time difference decreased (27.7 ± 7.6 vs 23.1 ± 5.6 ms, p = 0.021), and relative amplitude decreased (from 2.1 ± 0.7% to 1.5 ± 0.5%, p = 0.003). The time-based photoplethysmographic parameters correlated with stroke volume.

conclusionsPhotoplethysmographic waveform parameters are significantly different before and after PDA closure and the time-based parameters correlate well with stroke volume. Monitoring pulse transit time may assist in evaluation for spontaneous PDA closure or response to therapy.

Indexed as

PhotoplethysmographyDuctus Arteriosus, PatentEchocardiographyFemaleFootHandHumansInfant, Extremely Low Birth WeightInfant, Extremely PrematureInfant, NewbornMaleProspective StudiesPulse Wave AnalysisStroke Volume

Identifiers

PMID29961764
OpenAlexW2809690665

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.