Evidence map›Paper›PMID 42271076›Full record

ArticleAnnals of biomedical engineering2026

Automatic Speed Modulation Based on Real-Time Cardiac Activity Monitoring for a Next-Generation LVAD.

Phong Hoang Tran, Nobuyuki Kurita, Chris Hoi Houng Chan, O H Frazier, Yaxin Wang, Joseph Cavallaro

Abstract read
In one paragraph

Article in Annals of biomedical engineering, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Phong Hoang TranDepartment of Electrical and Computer Engineering, Rice University, MS, Anne and Charles Duncan Hall, 6100 Main St. MS 364, Houston, TX, 77005, USA. pt51@rice.edu.ORCID http://orcid.org/0009-0005-8552-6523
Nobuyuki KuritaMichael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA.
Chris Hoi Houng ChanInnovative Device and Engineering Applications (IDEA) Laboratory, The Texas Heart Institute at Baylor College of Medicine, Houston, TX, USA.
O H FrazierInnovative Device and Engineering Applications (IDEA) Laboratory, The Texas Heart Institute at Baylor College of Medicine, Houston, TX, USA.
Yaxin WangInnovative Device and Engineering Applications (IDEA) Laboratory, The Texas Heart Institute at Baylor College of Medicine, Houston, TX, USA.
Joseph CavallaroDepartment of Electrical and Computer Engineering, Rice University, MS, Anne and Charles Duncan Hall, 6100 Main St. MS 364, Houston, TX, 77005, USA.

Funding

Maglev LVAD with expandable stented inlet and anti-thrombotic coating to improve hemocompatibilityR01HL166724 · NHLBI · TEXAS HEART INSTITUTE · PI Joseph R. Cavallaro, Lakshmi Prasad Dasi · 2023 to 2026
$2.8M
NHLBI NIH HHS 1R01HL166724-01A1NHLBI NIH HHS R01 HL166724U.S. Department of Defense HT9425-23-1-0663
6 · The paper itself

Abstract

purposeModern left ventricular assist devices (LVADs) remain associated with driveline infections and insufficient responsiveness to patient activity demands. Transitioning to wireless charging presents an opportunity to mitigate driveline infections, but using wireless charging systems and implanted battery storage necessitates reducing the LVAD's power consumption. To address these challenges, a real-time automatic speed modulation control algorithm was developed that adjusts pump speed based solely on the energy required to maintain the LVAD's magnetic levitation balance, obviating the need for additional sensors. This metric serves as a surrogate for patient activity state, enabling automatic pump speed modulation in response to changes in demand.

methodsThe algorithm was implemented and tested in a previously validated numerical mock circulatory loop (nMCL) coupled with a detailed LVAD model that accurately represents real-life magnetic levitation physics and control dynamics.

resultsComparative simulations of patient models with and without the automatic speed modulation showed that, during exercise, the controller-enhanced model achieved greater circulatory support, whereas during sleep, reduced pump speeds did not compromise hemodynamic output.

conclusionThese results indicate that the proposed control strategy not only optimizes energy usage-extending battery life and supporting wireless charging-but also confers physiological benefits by adjusting pump performance to meet varying patient demands. Furthermore, this work provides a promising framework for improving LVAD functionality and patient outcomes, with potential implications for future device design and clinical implementation.

Indexed as

Heart-Assist DevicesModels, CardiovascularAlgorithmsHumansAutomatic speed modulationHeart failureLVADPump speedQuality of life

Identifiers

PMID42271076
PMCPMC13391808

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LicenceCC BY-NC-ND
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.