Assessment of regional lung ventilation by electrical impedance tomography in a patient with unilateral bronchial stenosis and a history of tuberculosis

Autor: Marcelo Alcantara Holanda, Carlos Augusto Barbosa da Silveira Barros, Luana Torres Monteiro, Marcelo Silveira Matias, Marcelo B. P. Amato, Eduardo L. V. Costa, Marcelo A. Beraldo, Nathalia Parente de Sousa, Liégina Silveira Marinho
Jazyk: angličtina
Rok vydání: 2013
Předmět:
Pulmonary and Respiratory Medicine
medicine.medical_specialty
medicine.medical_treatment
Electric impedance
Tomografia
Obstrução das vias respiratórias
Case Report
Constriction
Pathologic
Impedância elétrica
Internal medicine
Multidetector Computed Tomography
medicine
Humans
Continuous positive airway pressure
Electrical impedance tomography
Tomography
lcsh:RC705-779
Positive-pressure respiration
Sleep Apnea
Obstructive
Tuberculose pulmonar
Lung
Continuous Positive Airway Pressure
business.industry
Relato de Caso
Bronchial Diseases
lcsh:Diseases of the respiratory system
Airway obstruction
Middle Aged
respiratory system
medicine.disease
Ventilação pulmonar
respiratory tract diseases
Obstructive sleep apnea
medicine.anatomical_structure
Tuberculosis
pulmonary
Anesthesia
Pulmonary ventilation
Breathing
Cardiology
Female
business
Perfusion
Respiração com pressão positiva
Zdroj: Jornal Brasileiro de Pneumologia, Vol 39, Iss 6, Pp 742-746 (2013)
Jornal Brasileiro de Pneumologia : Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
ISSN: 1806-3756
Popis: Bronchial stenosis can impair regional lung ventilation by causing abnormal, asymmetric airflow limitation. Electrical impedance tomography (EIT) is an imaging technique that allows the assessment of regional lung ventilation and therefore complements the functional assessment of the lungs. We report the case of a patient with left unilateral bronchial stenosis and a history of tuberculosis, in whom regional lung ventilation was assessed by EIT. The EIT results were compared with those obtained by ventilation/perfusion radionuclide imaging. The patient was using nasal continuous positive airway pressure (CPAP) for the treatment of obstructive sleep apnea syndrome. Therefore, we studied the effects of postural changes and of the use of nasal CPAP. The EIT revealed heterogeneous distribution of regional lung ventilation, the ventilation being higher in the right lung, and this distribution was influenced by postural changes and CPAP use. The EIT assessment of regional lung ventilation produced results similar to those obtained with the radionuclide imaging technique and had the advantage of providing a dynamic evaluation without radiation exposure.
Databáze: OpenAIRE
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