Evidence map›Paper›PMID 29692684›Full record

ArticleBMC nursing2018

Accuracy of pulse oximetry in detection of oxygen saturation in patients admitted to the intensive care unit of heart surgery: comparison of finger, toe, forehead and earlobe probes.

Sohila Seifi, Alireza Khatony, Gholamreza Moradi, Alireza Abdi, Farid Najafi

Open access · goldAbstract read
In one paragraph

Article in BMC nursing, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
8.0field-weighted citation impact, top 2% 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

32 citing papers in PubMed, 77 citations in OpenAlex.

  1. Trial
  2. Pulse Oximetry-A Perioperative Perspective.Diagnostics (Basel, Switzerland) · 2026
    Review
  3. Observational
  4. Article
  5. Article
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  8. Article
  9. Article
  10. Article
  11. Observational
  12. Article
  13. Recent Progress in Flexible and Wearable All Organic Photoplethysmography Sensors for SpOAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023
    Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Influence of cuff pressures of automatic sphygmomanometers on pulse oximetry measurements.Measurement : journal of the International Measurement Confederation · 2022
    Article
  20. Article
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

5 authors at 1 institution in 1 country.

Sohila Seifi1Students Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran.
Alireza Khatony2Nursing department, Nursing and Midwifery School, Kermanshah University of Medical Sciences, Kermanshah, Iran.
Gholamreza Moradi3Department of anesthesiology, Medicine School, Kermanshah University of Medical Sciences, Kermanshah, Iran.
Alireza Abdi2Nursing department, Nursing and Midwifery School, Kermanshah University of Medical Sciences, Kermanshah, Iran.
Farid Najafi4Research Center for Environmental Determinants of Health (RCEDH), School of Public Health, Kermanshah University of Medical Sciences, Kermanshah, Iran.
Kermanshah University of Medical Sciences · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHeart surgery patients are more at risk of poor peripheral perfusion, and peripheral capillary oxygen saturation (SpO2) measurement is regular care for continuous analysis of blood oxygen saturation in these patients. With regard to controversial studies on accuracy of the current pulse oximetry probes and lack of data related to patients undergoing heart surgery, the present study was conducted to determine accuracy of pulse oximetry probes of finger, toe, forehead and earlobe in detection of oxygen saturation in patients admitted to intensive care units for coronary artery bypass surgery.

methodsIn this clinical trial, 67 patients were recruited based on convenience sampling method among those admitted to intensive care units for coronary artery bypass surgery. The SpO2 value was measured using finger, toe, forehead and earlobe probes and then compared with the standard value of arterial oxygen saturation (SaO2). Data were entered into STATA-11 software and analyzed using descriptive, inferential and Bland-Altman statistical analyses.

resultsHighest and lowest correlational mean values of SpO2 and SaO2 were related to finger and earlobe probes, respectively. The highest and lowest agreement of SpO2 and SaO2 were related to forehead and earlobe probes.

conclusionThe SpO2 of earlobe probes due to lesser mean difference, more limited confidence level and higher agreement ration with SaO2 resulted by arterial blood gas (ABG) analysis had higher accuracy. Thus, it is suggested to use earlobe probes in patients admitted to the intensive care unit for coronary artery bypass surgery.

trial registrationRegistration of this trial protocol has been approved in Iranian Registry of Clinical Trials at 2018-03-19 with reference IRCT20100913004736N22. "Retrospectively registered."

Indexed as

AccuracyCritical carePulse oximetry

Identifiers

PMID29692684
PMCPMC5905124
OpenAlexW2801295775

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.