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Demi L, Demi M, Smargiassi A, et al. Ultrasonography in lung pathologies: new perspectives. Multidiscip Respir Med. 2014;9(1):27doi: 10.1186/2049-6958-9-27.
Demi, L., Demi, M., Smargiassi, A., Inchingolo, R., Faita, F., & Soldati, G. (2014). Ultrasonography in lung pathologies: new perspectives. Multidisciplinary respiratory medicine, 9(1), 27. https://doi.org/10.1186/2049-6958-9-27
Demi, Libertario, et al. "Ultrasonography in lung pathologies: new perspectives." Multidisciplinary respiratory medicine vol. 9,1 (2014): 27. doi: https://doi.org/10.1186/2049-6958-9-27
Demi L, Demi M, Smargiassi A, Inchingolo R, Faita F, Soldati G. Ultrasonography in lung pathologies: new perspectives. Multidiscip Respir Med. 2014 May 09;9(1):27. doi: 10.1186/2049-6958-9-27. eCollection 2014. PMID: 24834347; PMCID: PMC4021331.
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Multidiscip Respir Med. 2014 May 09;9(1):27. doi: 10.1186/2049-6958-9-27. eCollection 2014.

Ultrasonography in lung pathologies: new perspectives.

Multidisciplinary respiratory medicine

Libertario Demi, Marcello Demi, Andrea Smargiassi, Riccardo Inchingolo, Francesco Faita, Gino Soldati

Affiliations

  1. Laboratory of Biomedical Diagnostics, Eindhoven University of Technology, Eindhoven, The Netherlands.
  2. Department of Medical Image Processing, Fondazione Toscana Gabriele Monasterio, Pisa, Italy.
  3. Pulmonary Medicine Department, University Hospital "A. Gemelli", Università Cattolica del Sacro Cuore, Largo Gemelli, 8, Rome 00168, Italy.
  4. Institute of Clinical Physiology, National Research Council, Pisa, Italy.
  5. General Hospital "ASL 2 Valle del Serchio", Castelnuovo di Garfagnana, Lucca, Italy.

PMID: 24834347 PMCID: PMC4021331 DOI: 10.1186/2049-6958-9-27

Abstract

BACKGROUND: Nowadays, ultrasound techniques have not gained importance in the diagnosis and monitoring of lung pathologies yet because of the high mismatch in acoustic impedance between air and intercostal tissues. However, it is evident that B-mode imaging provides important information on pulmonary tissue, although in the form of image artifacts.

FINDINGS: Notwithstanding medical evidences, there exists no ultrasound-based method dedicated to the lung, hampering de facto the full exploitation of ultrasound potentials. A chance is given by the experience acquired in other fields, where acoustic attenuation is used to estimate concentrations of suspended particles in liquids and of air-bubbles in aerated foods.

CONCLUSIONS: Custom hardware must be developed since commercial echographic equipment has been optimized to work with low acoustic impedance mismatches, and, in general, does not provide the primitive radiofrequency (RF) signals nor the possibility to tune key acquisition parameters such as ultrasound carrier frequency and pulse bandwidth, which are surely needed for our application.

Keywords: Acoustic attenuation; Chest ultrasonography; Echographic signs; Lung; Lung pathologies; Pressure wave; Ultrasound image artifact

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