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A New Method to Predict Postoperative Lung Function: Quantitative Breath Sound Measurements  Frank Detterbeck, MD, Merav Gat, MS, Daniel Miller, MD, Seth.

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Presentation on theme: "A New Method to Predict Postoperative Lung Function: Quantitative Breath Sound Measurements  Frank Detterbeck, MD, Merav Gat, MS, Daniel Miller, MD, Seth."— Presentation transcript:

1 A New Method to Predict Postoperative Lung Function: Quantitative Breath Sound Measurements 
Frank Detterbeck, MD, Merav Gat, MS, Daniel Miller, MD, Seth Force, MD, Cynthia Chin, MD, Hiran Fernando, MD, Joshua Sonett, MD, Rodolfo Morice, MD  The Annals of Thoracic Surgery  Volume 95, Issue 3, Pages (March 2013) DOI: /j.athoracsur Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

2 Fig 1 Predicted postoperative (PPO) predictions for the intended resected area by vibration response imaging; in this case, the upper and middle lung zones selected for intended upper and middle right lobectomy are shown, as well as PPO predictions for right pneumonectomy. Preoperative lung function is entered manually to the software. (Dlco = diffusion capacity of the lung for carbon monoxide; DOB = date of birth; FEV1 = forced expiratory volume in 1 second; QLD = quantitative lung data; Tlco, transfer factor of the lung for carbon monoxide.) The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

3 Fig 2 Agreement between vibration response imaging (VRI)-based and perfusion-based predicted postoperative (PPO) values for (A) forced expiratory volume in 1 second percentage (PPO-FEV1%) and (B) diffusion capacity of the lung for carbon monoxide percentage (PPO-Dlco%) using the segment-counting method. The dashed lines show the upper/lower limits (the average ± 1.96 * stdev). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

4 Fig 3 Agreement between vibration response imaging (VRI) and perfusion for right/left distribution of lung function (without multiplication by forced expiratory volume in 1 second percentage or diffusion capacity of the lung for carbon monoxide percentage). The dashed lines show the upper/lower limits (the average ± 1.96 * stdev). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

5 Fig 4 Agreement between vibration response imaging (VRI)-based and perfusion-based predicted postoperative (PPO) values for (A) forced expiratory volume in 1 second percentage (PPO-FEV1%) and (B) diffusion capacity of the lung for carbon monoxide percentage (PPO-Dlco%) using the zone method. The dashed lines show the upper/lower limits (the average ± 1.96 * stdev). The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

6 Fig 5 Distribution of vibration response imaging (VRI)-derived and perfusion-derived predicted postoperative forced expiratory volume in 1 second (PPO-FEV1) percentage values. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

7 Fig 6 Distribution of vibration response imaging (VRI)-derived and perfusion-derived predicted postoperative diffusion capacity of the lung for carbon monoxide (PPO-Dlco) percentage values. The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur ) Copyright © 2013 The Society of Thoracic Surgeons Terms and Conditions

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