title: Pendelluft diagnosed from ventilator weaning indexes obtained through bioelectrical impedance tomography: a case report.
abstract: Today, through major technological advances in diagnostic resources within medicine, evaluation and monitoring of clinical parameters at the patient's bedside in intensive care units (ICUs) has become possible.
  This case report presents results and interpretations from predictive mechanical ventilation weaning indexes obtained through monitoring using chest electrical bioimpedance tomography. These indexes included maximum inspiratory pressure, maximum expiratory pressure, shallow breathing index and spontaneous breathing test. These were correlated with variations in tidal volume variables, respiratory rate, mean arterial pressure and peripheral oxygen saturation. Regarding the air distribution behavior in the pulmonary parenchyma, the patient showed the pendelluft phenomenon. Pendelluft occurs due to the time constant (product of the airways resistance and compliance) asymmetry between adjacent lung.
  Bioelectrical impedance tomography can help in weaning from mechanical ventilation, as in the case presented here. Pendelluft was defined as a limitation during the weaning tests.
authors.affiliation: BSc. Physiotherapist at the Adult Intensive Care Unit, Universidade Estadual de Campinas (UNICAMP), Campinas (SP), Brazil.
authors.forename: Fabiana Aparecida
authors.initials: FA
authors.lastname: Lopes
authors.affiliation: BSc. Physiotherapist at the Adult Intensive Care Unit, Universidade Estadual de Campinas (UNICAMP), Campinas (SP), Brazil.
authors.forename: Lidiane Andrade Monteiro de
authors.initials: LAM
authors.lastname: Souza
authors.affiliation: BSc. Physiotherapist at the Adult Intensive Care Unit, Universidade Estadual de Campinas (UNICAMP), Campinas (SP), Brazil.
authors.forename: Juliana Tavares Neves
authors.initials: JTN
authors.lastname: Bernardi
authors.affiliation: BSc. Physiotherapist at the Adult Intensive Care Unit, Universidade Estadual de Campinas (UNICAMP), Campinas (SP), Brazil.
authors.forename: Carlos Eduardo
authors.initials: CE
authors.lastname: Rocha
authors.affiliation: MSc, PhD. Physiotherapist at Adult Intensive Care Unit, Hospital das Clínicas, and Supervisor of Chest Physiotherapy Training Course, Adult Intensive Care Unit, Universidade Estadual de Campinas (UNICAMP), Campinas (SP), Brazil.
authors.forename: Luciana Castilho de
authors.initials: LC
authors.lastname: Figueiredo
authors.affiliation: MSc, PhD. Physiotherapist, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (FCM-UNICAMP), Campinas (SP), Brazil.
authors.forename: Ana Paula Ragonete Dos Anjos
authors.initials: APRDA
authors.lastname: Agostini
authors.affiliation: MD, PhD. Coordinator, Adult Intensive Care Unit, Hospital das Clínicas, Universidade Estadual de Campinas (UNICAMP), Campinas (SP), Brazil.
authors.forename: Desanka
authors.initials: D
authors.lastname: Dragosavac
authors.affiliation: MSc. Physiotherapist, Faculdade de Ciências Médicas, Universidade Estadual de Campinas (FCM-UNICAMP), Campinas (SP), Brazil.
authors.forename: Daniela Cristina Dos Santos
authors.initials: DCDS
authors.lastname: Faez
mesh_terms: D000368:Aged; D017097:Electric Impedance; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D019095:Point-of-Care Systems; D011237:Predictive Value of Tests; D011659:Pulmonary Gas Exchange / Q000502:physiology*; D012016:Reference Values; D015203:Reproducibility of Results; D012121:Respiration, Artificial / Q000009:adverse effects; D012129:Respiratory Function Tests; D013997:Time Factors; D014054:Tomography / Q000379:methods*; D015300:Ventilator Weaning / Q000379:methods*