Observational studyNephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association2025
A novel system to continuously estimate intradialytic blood pressure in real time.
Observational study in Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed.
- Noninvasive Continuous Systolic BP Estimation: A Novel Technique to Detect, Predict, and Prevent Intradialytic Hypotension.Journal of the American Society of Nephrology : JASN · 2026Article
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Authors and funding
5 authors.
Funding
Abstract
backgroundIntradialytic hypotension (IDH) is a common complication of haemodialysis that is associated with adverse patient outcomes. We have developed a new non-invasive approach to continuously estimate systolic blood pressure (SBP) in real time during haemodialysis using pressure wave sensors in the extracorporeal circuit. We sought to compare the performance of our continuous real-time SBP estimator against brachial cuff SBP measurements.
methodsSingle-centre, observational study conducted in 21 participants receiving haemodialysis with a functioning arteriovenous fistula, studied throughout two 4-h haemodialysis sessions. Time-averaged real-time SBP estimator values from the 5-s period immediately prior to each cuff measurement were compared with matched brachial cuff SBP values.
resultsMean age was 71 ± 11 years and median dialysis vintage was 20.0 months (interquartile range 12.5-63.5). Across 522 SBP comparison data points, mean brachial cuff SBP and real-time SBP estimate were 121.8 ± 27.1 mmHg and 123.7 ± 27.9 mmHg, respectively. Brachial cuff SBP and real-time SBP estimate were significantly associated (r = 0.825; P < .001). There was a low absolute mean difference between the brachial cuff SBP and the real-time SBP estimate of -1.9 ± 16 mmHg, and no evidence of systematic bias between measurements. Across all comparison points, 95% of estimator values were within 30% of the matched brachial cuff value, and 66% within 10% of the cuff value.
conclusionsA blood pressure estimator that runs in real time during haemodialysis using pressure wave sensors in the extracorporeal circuit and avoiding additional sensor-burden on patients has good performance in tracking intradialytic SBP when compared against brachial cuff measurements, supporting its further development and larger scale testing.
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