Articles with "ventilation" as a keyword



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Prone Positioning for Nonintubated Patients With COVID-19-Potential Dangers of Extrapolation and Intermediate Outcome Variables.

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Published in 2022 at "JAMA internal medicine"

DOI: 10.1001/jamainternmed.2022.1086

Abstract: As the COVID-19 pandemic spread around the world and intensive care units became overwhelmed with an influx of critically ill patients, clinicians struggled to determine effective treatment options for this new disease. Prone positioning has… read more here.

Keywords: prone positioning; medicine; ventilation; prone ... See more keywords
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A complete 4DCT‐ventilation functional avoidance virtual trial: Developing strategies for prospective clinical trials

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Published in 2017 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.12086

Abstract: Introduction 4DCT‐ventilation is an exciting new imaging modality that uses 4DCT data to calculate lung‐function maps. Because 4DCTs are acquired as standard of care for lung cancer patients undergoing radiotherapy, 4DCT‐ventiltation provides functional information at… read more here.

Keywords: trial; 4dct ventilation; ventilation; clinical trials ... See more keywords
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Predicting responses to mechanical ventilation for preterm infants with acute respiratory illness using artificial neural networks.

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Published in 2018 at "International journal for numerical methods in biomedical engineering"

DOI: 10.1002/cnm.3094

Abstract: Infants born prematurely are particularly susceptible to respiratory illness due to underdeveloped lungs, which can often result in fatality. Preterm infants in acute stages of respiratory illness typically require mechanical ventilation assistance, and the efficacy… read more here.

Keywords: neural networks; ventilation; respiratory illness; mechanical ventilation ... See more keywords
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Mechanical respiratory support in cardiogenic shock

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Published in 2019 at "European Journal of Heart Failure"

DOI: 10.1002/ejhf.1599

Abstract: We read with interest the well written and thorough study by Helgestad et al.1 describing temporal trends and the characteristics of acute myocardial infarction complicated by cardiogenic shock based on data from the Danish Heart… read more here.

Keywords: respiratory support; ventilation; cardiogenic shock; support ... See more keywords
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Study on fire smoke flow characteristics in the ventilation network and linkage control system in coal mines

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Published in 2020 at "Fire and Materials"

DOI: 10.1002/fam.2901

Abstract: In coal mining, smoke flow from tunnel fires can easily cause a large number of deaths in the ventilation network. But the optimal smoke flow path control methods and automatic control system were lacked. In… read more here.

Keywords: smoke flow; control system; ventilation; fire ... See more keywords
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Simultaneous Evaluation of Lung Anatomy and Ventilation Using 4D Respiratory‐Motion‐Resolved Ultrashort Echo Time Sparse MRI

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Published in 2019 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.26245

Abstract: Computed tomography (CT) and spirometry are the current standard methods for assessing lung anatomy and pulmonary ventilation, respectively. However, CT provides limited ventilation information and spirometry only provides global measures of lung ventilation. Thus, a… read more here.

Keywords: anatomy ventilation; ventilation; lung anatomy; anatomy ... See more keywords
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Quantifying ventilation change due to radiation therapy using 4DCT Jacobian calculations

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Published in 2018 at "Medical Physics"

DOI: 10.1002/mp.13105

Abstract: Purpose Regional ventilation and its response to radiation dose can be estimated using four‐dimensional computed tomography (4DCT) and image registration. This study investigated the impact of radiation therapy (RT) on ventilation and the dependence of… read more here.

Keywords: ventilation; ventilation change; pre ventilation; function ... See more keywords
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The VAMPIRE challenge: A multi‐institutional validation study of CT ventilation imaging

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Published in 2019 at "Medical Physics"

DOI: 10.1002/mp.13346

Abstract: PURPOSE CT ventilation imaging (CTVI) is being used to achieve functional avoidance lung cancer radiation therapy in three clinical trials (NCT02528942, NCT02308709, NCT02843568). To address the need for common CTVI validation tools, we have built… read more here.

Keywords: ventilation; vampire challenge; validation; ventilation imaging ... See more keywords
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Investigating the use of machine learning to generate ventilation images from CT scans

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Published in 2022 at "Medical Physics"

DOI: 10.1002/mp.15688

Abstract: Abstract Background Radiotherapy treatment planning incorporating ventilation imaging can reduce the incidence of radiation‐induced lung injury. The gold‐standard of ventilation imaging, using nuclear medicine, has limitations with respect to availability and cost. Purpose An alternative… read more here.

Keywords: machine learning; galligas pet; ventilation images; ventilation ... See more keywords
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A deep learning method for translating 3DCT to SPECT ventilation imaging: First comparison with 81mKr‐gas SPECT ventilation imaging

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Published in 2022 at "Medical Physics"

DOI: 10.1002/mp.15697

Abstract: Abstract Purpose This study aimed to evaluate the accuracy of deep learning (DL)‐based computed tomography (CT) ventilation imaging (CTVI). Methods A total of 71 cases that underwent single‐photon emission CT 81mKr‐gas ventilation (SPECT V) and… read more here.

Keywords: ventilation imaging; test; ventilation; spect ventilation ... See more keywords
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A hybrid model- and deep learning-based framework for functional lung image synthesis from multi-inflation CT and hyperpolarized gas MRI.

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Published in 2023 at "Medical physics"

DOI: 10.1002/mp.16369

Abstract: BACKGROUND Hyperpolarized gas MRI is a functional lung imaging modality capable of visualizing regional lung ventilation with exceptional detail within a single breath. However, this modality requires specialized equipment and exogenous contrast, which limits widespread… read more here.

Keywords: lung; ventilation; hyperpolarized gas; gas mri ... See more keywords