Comparison of noninvasive blood pressure monitoring with invasive arterial pressure monitoring in medical ICU patients with septic shock
Abstract
OBJECTIVE: In the critically ill, the insertion of peripheral arterial catheters to monitor hemodynamics is a low-risk procedure, but carries the potential for complications. This study was designed to compare invasive and noninvasive blood pressure measurements in patients with septic shock in a medical ICU. PATIENTS AND METHODS: We carried out a prospective observational study of patients admitted with septic shock and a radially inserted peripheral arterial catheter in the medical ICU with 31 adult patients who underwent four pairs of simultaneous noninvasive and invasive blood pressure measurements (124 comparisons), with the invasive blood pressure taken as the gold standard. Agreements between invasive and noninvasive blood pressure methods were assessed using Bland-Altman analysis, and clinical significance was determined by the European Society of Hypertension criteria. RESULTS: In all patients, noninvasive systolic (P=0.0385), diastolic (P<0.0001), and mean arterial pressures (P<0.0001) did correlate statistically with invasive measurements; however, all noninvasive pressure measurements did not correlate clinically according to the European Society of Hypertension criteria. CONCLUSION: In our patients admitted to the medical ICU with septic shock, noninvasive blood pressure monitoring did not clinically correlate with invasive blood pressure measurements.
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Non-invasive cuff blood pressure estimation tends to be inaccurate, with discrepancy more pronounced in shock states.
“Estimation of blood pressure using a non-invasive cuff tends to be inaccurate and the discrepancy more pronounced in shock states [375–379].”
From Surviving sepsis campaign: international guidelines for management of sepsis and septic shock 2021 (2021) · cites this paper as [379]
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Surviving Sepsis campaign: international guidelines for Management of Sepsis and Septic Shock 2026
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- Authors
- Riley, L. E., Chen, G. J., & Latham, H. E.
- Affiliations
- University of Kansas Medical Center (US)
- Corresponding author
- Riley, Leonard E.
- ORCID
- Riley, Leonard E.
- Venue
- Blood Pressure Monitoring
- Published
- 2017-08
- Volume
- 22
- Issue
- 4
- Pages
- 202-207
- ISSN
- 1359-5237 (ISSN-L)
- OpenAlex
- W2604209262
- Cited by
- 43
- References
- 17
- Citations by year
- 2026: 4 · 2025: 8 · 2024: 7 · 2023: 5 · 2022: 4 · 2021: 10 · 2020: 3 · 2019: 1 · 2017: 1
- FWCI
- 1.40
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Blood Pressure Monitoring (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Surgery › Hemodynamic Monitoring and Therapy
- Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
- Physical Sciences › Engineering › Biomedical Engineering › Non-Invasive Vital Sign Monitoring
- Keywords
- non-invasive blood pressure monitoring, invasive arterial pressure monitoring, septic shock, peripheral arterial catheters, medical intensive care unit, hemodynamic monitoring, mean arterial pressure, systolic and diastolic blood pressure, measurement agreement
- MeSH terms
- Adult, Aged, Blood Pressure, Catheterization, Critical Care, Female, Humans, Male, Middle Aged, Shock, Septic, Blood Pressure Monitoring, Ambulatory
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