Blood Pressure Monitoring in Overweight Critically Ill Patients
Author Information
Author(s): Ali Araghi, Joseph J Bander, Jorge A Guzman
Primary Institution: Wayne State University School of Medicine
Hypothesis
IABP measurements are not accurately reflected by NIBP measurements in overweight critically ill patients.
Conclusion
NIBP measurements can be inaccurate among overweight critically ill patients and may lead to erroneous interpretations of blood pressure.
Supporting Evidence
- Oscillometric measurements underestimated IABP readings regardless of patient BMI.
- Auscultatory measurements tended to underestimate systolic blood pressure and overestimate mean arterial and diastolic blood pressure.
- Discrepancies between direct and indirect blood pressure measurements can adversely affect therapeutic decisions.
Takeaway
Doctors need to be careful when measuring blood pressure in overweight patients because the machines can give wrong readings.
Methodology
This was a prospective, observational study comparing IABP and NIBP measurements in overweight patients in the ICU.
Potential Biases
Potential bias due to the use of different cuff sizes and measurement techniques.
Limitations
The study only included patients with a BMI of 25 kg/m2 or greater and may not be generalizable to all critically ill patients.
Participant Demographics
Mean age of participants was 57 years, with a mean BMI of 34.0 kg/m2.
Statistical Information
P-Value
<0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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