Evidence map›Paper›PMID 39317830›Full record

Observational studyCanadian journal of anaesthesia = Journal canadien d'anesthesie2024

Comparison of the ClearSight™ finger cuff monitor versus invasive arterial blood pressure measurement in elective cardiac surgery patients: a prospective observational study.

Una Goncin, Kaixuan K Liu, Brooklyn Rawlyk, Sara Dalkilic, Mary Ellen J Walker, Jonathan Norton, Peter Hedlin

Registry-linked trialAbstract readObservational StudyComparative Study
PubMed Publisher
In one paragraph

Observational study in Canadian journal of anaesthesia = Journal canadien d'anesthesie, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05825937 (Non-invasive Hemodynamic Monitoring With ClearSight in Patients Undergoing Elective Cardiac or Neurointerventional Surgery), which is not on this map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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.

NCT05825937 recruitingnot on this map

Non-invasive Hemodynamic Monitoring With ClearSight in Patients Undergoing Elective Cardiac or Neurointerventional Surgery: A Prospective Observational Cohort Study

Typeobservational_patient_registrySponsorUniversity of SaskatchewanRan2021 to 2025Enrolled62ConditionsBlood PressureArmsClearSight System
3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

  1. Observational
  2. Pearls and pitfalls of noninvasive continuous arterial blood pressure monitoring.Canadian journal of anaesthesia = Journal canadien d'anesthesie · 2026
    Article
  3. Review
  4. Review
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

7 authors.

Una GoncinProvincial Department of Anesthesiology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada.
Kaixuan K LiuProvincial Department of Anesthesiology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada.
Brooklyn RawlykProvincial Department of Anesthesiology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada.
Sara DalkilicDepartment of Surgery, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada.
Mary Ellen J WalkerProvincial Department of Anesthesiology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada.
Jonathan NortonDepartment of Surgery, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada.
Peter HedlinProvincial Department of Anesthesiology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada. peter.hedlin@usask.ca.ORCID 0000-0002-8129-6012

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo determine the acceptability of the ClearSight™ system (Edwards Lifesciences Corp., Irvine, CA, USA) for continuous blood pressure monitoring during elective cardiac surgery compared with arterial catheterization.

methodsWe enrolled 30 patients undergoing elective cardiac surgery in a prospective observational study. Blood pressure measurements were recorded every 10 sec intraoperatively. We determined agreement based on the Association for the Advancement of Medical Instrumentation (AAMI) recommendations. Statistical analysis included fixed bias (difference of measurements between methods), percentage error (accuracy between ClearSight measurement and expected measurement from arterial line), and interchangeability (ability to substitute ClearSight monitor without effecting overall outcome of analysis). We used a paired samples t test to compare the time required for placing each monitor.

resultsWe found fixed bias in the differences between the ClearSight monitor and invasive arterial blood pressure measurement in systolic blood pressure (SBP; mean difference, 8.7; P < 0.001) and diastolic blood pressure (DBP; mean difference, -2.2; P < 0.001), but not in mean arterial pressure (MAP; mean difference, -0.5; P < 0.001). Bland-Altman plots showed that the means of the limits of agreement were greater than 5 mm Hg for SBP, DBP, and MAP. The percentage errors for SBP, DBP, and MAP were lower than the cutoff we calculated from the invasive arterial blood pressure measurements. Average interchangeability rates were 38% for SBP, 50% for DBP, and 50% for MAP. Placement of the ClearSight finger cuff was significantly faster compared with arterial catheterization (mean [standard deviation], 1.7 [0.6] min vs 5.6 [4.1] min; P < 0.001).

conclusionsIn this prospective observational study, we did not find the ClearSight system to be an acceptable substitute for invasive arterial blood pressure measurement in elective cardiac surgery patients according to AAMI guidelines. Nevertheless, based on statistical standards, there is evidence to suggest otherwise. STUDY REGISTRATION: ClinicalTrials.gov ( NCT05825937 ); first submitted 11 April 2023.

Indexed as

Arterial PressureBlood Pressure DeterminationCardiac Surgical ProceduresElective Surgical ProceduresMonitoring, IntraoperativeAgedBlood PressureBlood Pressure MonitorsFemaleHumansMaleMiddle AgedProspective Studiescardiac anesthesiaClearSight™finger cuffhemodynamic monitoringnoninvasive

Identifiers

PMID39317830

What OpenQuestion holds

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Registered trials

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.