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Clinical Validation of Single-Chamber Model-Based Algorithms Used to Estimate Respiratory Compliance
[article]
2021
arXiv
pre-print
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Next, we use this data to evaluate 15 different algorithms that use the "single chamber" model of estimating respiratory compliance. ...
Non-invasive estimation of respiratory physiology using computational algorithms promises to be a valuable technique for future clinicians to detect detrimental changes in patient pathophysiology. ...
And finally, contributing respiratory therapists: Kenneth Ablog, Sarah Fonteno, Jonathan Lahola, Justin Griffiths, and Nazariy Siryy who assisted with the gathering of subject data and conducting end-inspiratory ...
arXiv:2109.10224v1
fatcat:kp7bfyyuz5h75f4dbhd4poyaeq
PEEP/ ARDSNet Scale Grouping of a Single Ventilator for Two Patients: Modeling Tidal Volume Response
2020
Respiratory care
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Using this model to perform a parametric study, we provide proof-of-concept for an algorithm to better match patients in different hypothetical scenarios of a single ventilator shared by > 1 patient. ...
We emphasize that our results are currently based on a computational model that has not been validated against any preclinical or clinical data. ...
This study was used to validate the current computational model. They reported that differences in lung compliance between simulated patients had a higher impact of V T inequality than resistance. ...
doi:10.4187/respcare.07931
pmid:32712582
pmcid:PMC7538006
fatcat:jqhldmpaffhr3bwr2sfxzvwn44
Use of a Single Ventilator to Support Multiple Patients: Modeling Tidal Volume Response to Heterogeneous Lung Mechanics
[article]
2020
medRxiv
pre-print
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We emphasize that our results are currently based on a computational model that has not been validated against any pre-clinical/clinical data. ...
Using this model to perform a parametric study, we provide proof-of-concept for an algorithm to better match patients in different hypothetical scenarios of a single ventilator shared by more than one ...
Using this model to perform a parametric study, we provide proof-of-concept for an algorithm to better match patients in different hypothetical scenarios of a single ventilator shared by more than one ...
doi:10.1101/2020.04.07.20056671
fatcat:rrpm44h3w5dnri7vaxptuj266a
Human versus Computer Controlled Selection of Ventilator Settings: An Evaluation of Adaptive Support Ventilation and Mid-Frequency Ventilation
2012
Critical Care Research and Practice
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A lung simulator programmed with each scenario's respiratory system characteristics was ventilated using the clinician, ASV, and MFV settings.Results. ...
There are modes of mechanical ventilation that can select ventilator settings with computer controlled algorithms (targeting schemes). ...
Acknowledgment No source of funding to report. Portions of this study were presented as an abstract/oral presentation at the CHEST meeting in Philadelphia, USA, in 2008. ...
doi:10.1155/2012/204314
pmid:23119152
pmcid:PMC3478732
fatcat:ssz6gkcykfh6rdg3lmulb4qohm
Computerised Analysis of Telemonitored Respiratory Sounds for Predicting Acute Exacerbations of COPD
2015
Sensors
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In a 6-month pilot study, 16 patients with COPD were equipped with a home base-station and a sensor to daily record their respiratory sounds. ...
This exploratory study aimed to evaluate the feasibility of using: (a) a respiratory sensor embedded in a self-tailored housing for ageing users; (b) a telehealth framework; (c) CARS and (d) machine learning ...
The system detected seven out of 10 exacerbations. In the study of Yañez et al. [56] , a threshold-based algorithm that used home-based collected respiratory rate was assessed. ...
doi:10.3390/s151026978
pmid:26512667
pmcid:PMC4634495
fatcat:ccsrevzzjvdtdisp3sbhjqlvhy
Hemodynamic monitoring in thoracic surgical patients
2017
Current Opinion in Anaesthesiology
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Extravascular lung water measurements are well validated, predict postoperative lung function, but require the use of transpulmonary thermodilution. ...
Understanding the scientific basis of these devices is the key to using them effectively. is to describe these advanced hemodynamic monitoring devices, with a particular focus on the underlying technology ...
Financial support and sponsorship This work was supported by the Department of Anaesthesiology, University of Virginia, Charlottesville, VA, USA. ...
doi:10.1097/aco.0000000000000408
pmid:28030449
fatcat:pnz3k7xwjbffjeuvrelovlb6q4
Fractional-order impulse response of the respiratory system
2011
Computers and Mathematics with Applications
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Fractional order (FO) models are identified on the measured impedance to quantify the respiratory mechanical properties. ...
The results of the identified FO models for the respiratory admittance are presented by means of their average values for each group of patients. ...
(A.1) This represents the first order equation in the motion-equation for a single compartment model of the respiratory system: a single balloon with compliance C on a pipeline with a resistance R. ...
doi:10.1016/j.camwa.2011.04.021
fatcat:s3gckszycvha7fzivfv6b6kksu
Cardiac MR: From Theory to Practice
2022
Frontiers in Cardiovascular Medicine
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However, diversity and complexity of imaging, reconstruction and analysis methods pose some limitations to the widespread use of CMR. ...
The handling of respiratory and cardiac motion strategies as well as their integration into the reconstruction processes is showcased. (5) Recent advances on deep learning-based reconstructions for this ...
., identification of model overfitting. However, the validation data set is not used to update the model parameters of the network. ...
doi:10.3389/fcvm.2022.826283
pmid:35310962
pmcid:PMC8927633
fatcat:j3vd446nxnajvgajkhazwbvgia
Quantification of Lung Fibrosis and Emphysema in Mice Using Automated Micro-Computed Tomography
2012
PLoS ONE
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This study aimed to develop and validate such an automated micro-computed tomography analysis algorithm for quantification of aerated lung volume in mice; an indicator of pulmonary fibrosis and emphysema ...
In vivo high-resolution micro-computed tomography allows for longitudinal image-based measurements in animal models of lung disease. ...
Acknowledgments The authors are grateful to Prof. Ria Bogaerts (Experimental Radiotherapy, KU Leuven) for her help with radiation dosage measurements.
Author Contributions ...
doi:10.1371/journal.pone.0043123
pmid:22912805
pmcid:PMC3418271
fatcat:cwkll2gzffgyhfoh2rewd5itne
Journal of clinical monitoring and computing 2014 end of year summary: respiration
2015
Journal of clinical monitoring and computing
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In the paper, Baldoli et al. presented as proof of concept a single chamber implementation of the system, with which they performed three clinical simulation scenarios: spontaneous breathing, controlled ...
The system consists of five chambers with variable volumes connected to a mechanical ventilator with individual sensor and individually controlled pistons to simulate different compliances and resistances ...
doi:10.1007/s10877-015-9676-9
pmid:25735264
fatcat:yr6jvqvl55b63ik6g5h7to3f6q
Burden of Occupationally Acquired Pulmonary Tuberculosis among Healthcare Workers in the USA: A Risk Analysis
2017
Annals of Work Exposures and Health
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) in the USA, and to estimate the impact of increased compliance with respiratory protection. ...
We used a risk analysis approach, in which occupational exposures were modeled using a compartmental model of bacilli transport and fate, and infection risk was estimated using two dose-response (DR) functions ...
The author has no conflicts of interest to declare relating to this article. The contents of the article, including any ...
doi:10.1093/annweh/wxw015
pmid:28395347
fatcat:zga7qf7vefaz3kemaxefsyof5q
Pulse waveform hemodynamic monitoring devices: recent advances and the place in goal-directed therapy in cardiac surgical patients
2016
Romanian Journal of Anaesthesia and Intensive Care
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According to the data from the three GDTrandomized control trials performed in cardiac surgery (using two types of APW techniques PiCCO and FloTrac/Vigileo), these devices did not demonstrate that they ...
The technological advances have led to innovating calibrated or not, but minimally invasive and noninvasive devices based on arterial pressure waveform (APW) analysis. ...
can be estimated using a sophisticated algorithm (based on gender, age, height, weight). ...
doi:10.21454/rjaic.7518.231.wvf
pmid:28913477
pmcid:PMC5505364
fatcat:qf46nszgpvgpjmlyxjhreivhwm
Non-Contact Vital Sign Monitoring in the Clinic
2017
2017 12th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2017)
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Using an off-the-shelf camera and standard ambient light, this thesis proposes data fusion algorithms to compute estimates of heart rate and respiratory rate, and also to detect changes in 2 in a real ...
Using an off-the-shelf camera and standard ambient light, this thesis proposes data fusion algorithms to compute estimates of heart rate and respiratory rate, and also to detect changes in 2 in a real ...
Chapter 8 Respiratory rate estimation using a video camera
Introduction This chapter discusses the algorithms and methodology to estimate respiratory rate from the video camera used in the clinical study ...
doi:10.1109/fg.2017.43
dblp:conf/fgr/VillarroelJPT17
fatcat:n6gzfcfyondipcdkstic57blie
Reconstruction techniques for cardiac cine MRI
2019
Insights into Imaging
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Additionally, clinical relevance, main challenges, and future trends of this image modality are outlined. ...
Thus, this paper aims to provide a general vision about cine MRI as the standard procedure in functional evaluation of the heart, focusing on technical methodologies. ...
In [97] , Jeong et al. perform a validation study of 3D cine MRI of the heart in a single BH using kat-ARC, which is an auto-calibrating PI method for Cartesian sampling. ...
doi:10.1186/s13244-019-0754-2
pmid:31549235
pmcid:PMC6757088
fatcat:s5574wj5pjadhbq5rah7k3h6lu
What links ventilator driving pressure with survival in the acute respiratory distress syndrome? A computational study
2019
Respiratory Research
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Each of these in silico patients was subjected to the same range of values of driving pressure and positive end expiratory pressure (PEEP) used in the previous analyses of clinical trial data. ...
These findings await full validation in prospective clinical trials. ...
[23] , using a genetic-algorithm based optimization strategy, as previously described in [17] . ...
doi:10.1186/s12931-019-0990-5
pmid:30744629
pmcid:PMC6371576
fatcat:ebiqyvfbdzcc7az7irw7txlbqu
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