Detecting aortic valve stenosis based on the non-invasive blood pressure waveform—a proof of concept study Article Swipe
Eline Kho
,
Jimmy Schenk
,
Alexander P. J. Vlaar
,
Marije M. Vis
,
Marije Wijnberge
,
Lotte B. Stam
,
Martijn van Mourik
,
H T Jørstad
,
Henning Hermanns
,
Berend E. Westerhof
,
Denise P. Veelo
,
Björn J. P. van der Ster
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1007/s11357-024-01136-w
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1007/s11357-024-01136-w
The incidence of aortic valve stenosis (AoS) increases with age, and once diagnosed, symptomatic severe AoS has a yearly mortality rate of 25%. AoS is diagnosed with transthoracic echocardiography (TTE), however, this gold standard is time consuming and operator and acoustic window dependent. As AoS affects the arterial blood pressure waveform, AoS-specific waveform features might serve as a diagnostic tool. Aim of the present study was to develop a novel, non-invasive, AoS detection model based on blood pressures waveforms. This cross-sectional study included patients with AoS undergoing elective transcatheter or surgical aortic valve replacement. AoS was determined using TTE, and patients with no or mild AoS were labelled as patients without AoS, while patients with moderate or severe AoS were labelled as patients with AoS. Non-invasive blood pressure measurements were performed in awake patients. Ten minutes of consecutive data was collected. Several blood pressure-based features were derived, and the median, interquartile range, variance, and the 1st and 9th decile of the change of these features were calculated. The primary outcome was the development of a machine-learning model for AoS detection, investigating multiple classifiers and training on the area under the receiver-operating curve (AUROC). In total, 101 patients with AoS and 48 patients without AoS were included. Patients with AoS showed an increase in left ventricular ejection time (0.02 s, p = 0.001), a delayed maximum upstroke in the systolic phase (0.015 s, p < 0.001), and a delayed maximal systolic pressure (0.03 s, p < 0.001) compared to patients without AoS. With the logistic regression model, a sensitivity of 0.81, specificity of 0.67, and AUROC of 0.79 were found. The majority of the population without AoS was male (85%), whereas in the population with AoS this was evenly distributed (54% males). Age was significantly (5 years, p < 0.001) higher in the population with AoS. In the present study, we developed a novel model able to distinguish no to mild AoS from moderate to severe AoS, based on blood pressure features with high accuracy. Clinical registration number: The study entailing patients with TAVR treatment was registered at ClinicalTrials.gov (NCT03088787, https://clinicaltrials.gov/ct2/show/NCT03088787 ). The study with elective cardiac surgery patients was registered with the Netherland Trial Register (NL7810, https://trialsearch.who.int/Trial2.aspx?TrialID=NL7810 ).
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1007/s11357-024-01136-w
- https://link.springer.com/content/pdf/10.1007/s11357-024-01136-w.pdf
- OA Status
- hybrid
- Cited By
- 1
- References
- 35
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4392984036
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W4392984036Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1007/s11357-024-01136-wDigital Object Identifier
- Title
-
Detecting aortic valve stenosis based on the non-invasive blood pressure waveform—a proof of concept studyWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2024Year of publication
- Publication date
-
2024-03-20Full publication date if available
- Authors
-
Eline Kho, Jimmy Schenk, Alexander P. J. Vlaar, Marije M. Vis, Marije Wijnberge, Lotte B. Stam, Martijn van Mourik, H T Jørstad, Henning Hermanns, Berend E. Westerhof, Denise P. Veelo, Björn J. P. van der SterList of authors in order
- Landing page
-
https://doi.org/10.1007/s11357-024-01136-wPublisher landing page
- PDF URL
-
https://link.springer.com/content/pdf/10.1007/s11357-024-01136-w.pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
hybridOpen access status per OpenAlex
- OA URL
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https://link.springer.com/content/pdf/10.1007/s11357-024-01136-w.pdfDirect OA link when available
- Concepts
-
Medicine, Cardiology, Blood pressure, Internal medicine, Receiver operating characteristic, Interquartile range, Stenosis, Gold standard (test), Aortic pressure, Aortic valve replacement, Ventricle, SurgeryTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
1Total citation count in OpenAlex
- Citations by year (recent)
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2024: 1Per-year citation counts (last 5 years)
- References (count)
-
35Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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