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March 21, 2017BMC AnesthesiologyOpen Access

The Bland-Altman comparison yielded a bias of -0.57, -2.52, 1.01 mmHg and standard deviation of 7.34, 6.47, 5.33 mmHg for systolic, diastolic, and mean arterial pressures, respectively (p < 0.001 for all comparisons).

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Why the study?

Does the continuous non-invasive CareTaker device accurately measure blood pressure compared to an invasive arterial catheter in patients undergoing major abdominal surgery?

Population

n=24 patients scheduled for major abdominal surgery

Comparison

Continuous non-invasive blood pressure… vs Invasive radial arterial catheter

Design

Cohort

Follow-up

first thirty minutes of the surgical procedure

Authors

IGIrwin GratzEDEdward DealFSFrancis Spitz

Discussion

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Member takes

Overview

Suggests this non-invasive device may offer acceptable blood pressure tracking during abdominal surgery; leaves open whether.

Structured PICO

Does the continuous non-invasive CareTaker device accurately measure blood pressure compared to an invasive arterial catheter in patients undergoing major abdominal surgery?

P
Population
n=24 patients scheduled for major abdominal surgery
I
Intervention
Continuous non-invasive blood pressure monitoring via CareTaker (CT) device using a finger cuff applied to the contralateral thumb
C
Comparator
Invasive radial arterial catheter
O
Outcome
Accuracy and precision of mean arterial pressure (MAP), systolic and diastolic blood pressures (bias and standard deviation) compared to arterial cathetersurrogate

The CareTaker non-invasive blood pressure device provides measurements comparable to invasive arterial catheters within AAMI validation limits during major abdominal surgery.

Limitations

  • small sample size

Cite This Study

Gratz et al. (2017) studied this question.

synapsesocial.com/papers/6a7e7b7eef8e9536aa856825https://doi.org/10.1186/s12871-017-0337-z
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