Electrical impedance tomography in clinical use: Unnecessary technology or a unique angle in respiratory monitoring?

Davies, Patrick; Silvestre, Catarina

doi:10.1002/ppul.24668

Cited by 3 publications

(2 citation statements)

References 11 publications

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“…Electrical impedance tomography (EIT) is a novel bedside detection medical imaging technology (13). It provides real-time images of air distribution and reflects the dynamic changes that cannot be captured by traditional chest X-ray (14). It has been used to detect regional airflow limitations, which is useful in patients with obstructive lung diseases (11,15,16).…”

Section: Introductionmentioning

confidence: 99%

Pulmonary rehabilitation ameliorates regional lung function in chronic obstructive pulmonary disease: a prospective single-arm clinical trial

Ma¹,

Dai²,

Wu³

et al. 2022

Ann Transl Med

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Background: Pulmonary rehabilitation (PR) is a widely recognized nonpharmacologic therapy for chronic obstructive pulmonary disease (COPD), but most of the current studies on whether PR can benefit COPD patients are based on the evaluation of symptoms and pulmonary function, which is limited to a certain extent. Because COPD is characterized by potential regional lung changes in morphology and pathophysiology, this study was designed to evaluate the effects of individualized PR on regional lung function in patients with stable COPD.Methods: In this study, patients with stable COPD who met the criteria were included, and they were treated with PR for 2 weeks using the respiratory rehabilitation training instrument. The symptoms, and global and regional lung function before and after 2 weeks of PR treatment were evaluated using surveys, spirometry, and electrical impedance tomography (EIT), respectively. The spatial coefficient of variation (CV) of regional spirometry parameters were calculated to quantify spatial heterogeneity of lung function.Temporal inhomogeneity was determined by the regional expiration time.Results: A total of 34 participants were recruited in this study, of whom 24 completed the PR. After 2 weeks of intervention, the modified Medical Research Council (mMRC) dyspnea scale and the COPD assessment test (CAT) score was significantly lower compared to those measured before the treatment (2.3±1.17 vs. 2.1±0.93, P=0.034; and 15.0±7.18 vs. 10.9±6.06, P<0.001, respectively). Global spirometry forced vital capacity (FVC), forced expiratory volume in the first second (FEV1), FEV1 predicted percentage (%pred), and peak expiratory flow (PEF) were significantly better than they were pre-rehabilitation (2.1±0.86 vs.

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Section: Introductionmentioning

confidence: 99%

Pulmonary rehabilitation ameliorates regional lung function in chronic obstructive pulmonary disease: a prospective single-arm clinical trial

Ma¹,

Dai²,

Wu³

et al. 2022

Ann Transl Med

View full text Add to dashboard Cite

show abstract

“…Electrical impedance tomography (EIT) is a new direction of bedside detection medical imaging technology [13]. It provides real-time images of air distribution and re ect the dynamic changes that cannot be captured by traditional chest X-ray [14]. It has been used to detect regional air ow limitations, which is useful in patients with obstructive lung diseases [11,15,16].…”

Section: Introductionmentioning

confidence: 99%

The evaluation of regional lung function in COPD before and after pulmonary rehabilitation: a prospective clinical study

Dai

Zhao

et al. 2022

Preprint

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BackgroundPulmonary rehabilitation (PR) is a widely recognized nonpharmacologic therapy for chronic obstructive pulmonary disease (COPD), but most of the current studies on whether PR can benefit COPD patients are based on the evaluation of symptoms and pulmonary function, which is limited to a certain extent. Therefore, based on the current study, this study evaluated the effects of individualized PR on the regional lung function in patients with stable COPD.MethodsThe patients with stable COPD were treated with PR for 2 weeks. The symptoms, global and regional lung function changes before and after 2-week program were evaluated using surveys, spirometry and electrical impedance tomography (EIT). The spatial coefficient of variation (CV) of regional spirometry parameters were calculated to quantified spatial heterogeneity of lung function. Temporal inhomogeneity was determined by the regional expiration time.ResultsAfter 2 weeks of intervention, the COPD assessment test score (CAT, 15.6±6.17 vs 11.1±5.85, P = 0.001), global spirometry forced expiratory volume in the first second (FEV1; 1.13±0.62 L vs 1.24±0.65 L, P = 0.006) and FEV1 % pred (43.3±21.34 % vs 48.3±24.22 %, P = 0.001) were improved. The CV for regional FEV1 / FVC (0.28±0.19 vs 0.17±0.06, P=0.012) differed significantly. Regional lung ventilation was more homogeneous and regional expiration time was shorter after PR.ConclusionThis study suggested that both spatial and temporal regional ventilation in COPD improved after the 2-week PR.

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The newborn delivery room of tomorrow: emerging and future technologies

et al. 2022

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Advances in neonatal care have resulted in improved outcomes for high-risk newborns with technologies playing a significant part although many were developed for the neonatal intensive care unit. The care provided in the delivery room (DR) during the first few minutes of life can impact short- and long-term neonatal outcomes. Increasingly, technologies have a critical role to play in the DR particularly with monitoring and information provision. However, the DR is a unique environment and has major challenges around the period of foetal to neonatal transition that need to be overcome when developing new technologies. This review focuses on current DR technologies as well as those just emerging and further over the horizon. We identify what key opinion leaders in DR care think of current technologies, what the important DR measures are to them, and which technologies might be useful in the future. We link these with key technologies including respiratory function monitors, electoral impedance tomography, videolaryngoscopy, augmented reality, video recording, eye tracking, artificial intelligence, and contactless monitoring. Encouraging funders and industry to address the unique technological challenges of newborn care in the DR will allow the continued improvement of outcomes of high-risk infants from the moment of birth. Impact Technological advances for newborn delivery room care require consideration of the unique environment, the variable patient characteristics, and disease states, as well as human factor challenges. Neonatology as a speciality has embraced technology, allowing its rapid progression and improved outcomes for infants, although innovation in the delivery room often lags behind that in the intensive care unit. Investing in new and emerging technologies can support healthcare providers when optimising care and could improve training, safety, and neonatal outcomes.

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Electrical impedance tomography in clinical use: Unnecessary technology or a unique angle in respiratory monitoring?

Cited by 3 publications

References 11 publications

Pulmonary rehabilitation ameliorates regional lung function in chronic obstructive pulmonary disease: a prospective single-arm clinical trial

Pulmonary rehabilitation ameliorates regional lung function in chronic obstructive pulmonary disease: a prospective single-arm clinical trial

The evaluation of regional lung function in COPD before and after pulmonary rehabilitation: a prospective clinical study

The newborn delivery room of tomorrow: emerging and future technologies

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