• Eur J Cardiothorac Surg · May 2010

    Evaluation of the utility of vibration response imaging device and Operation Planning Software in the assessment of patients before lung resection surgery.

    • Unai Jimenez, Nuria Marina, Elena Lopez de Santamaria, Joaquin Jose Pac, and Juan B Galdiz.
    • Cruces Hospital, Plaza de Cruces s/n, 48903, Barakaldo, Bizkaia, Basque Country, Spain. unai.jimenezmaestre@osakidetza.net
    • Eur J Cardiothorac Surg. 2010 May 1;37(5):1185-90.

    Background And ObjectivesA variety of methods have been used to evaluate patients with lung cancer to define a patient cohort at high risk for postoperative mortality and respiratory complications associated with lung resection surgery. Our aim was to evaluate the utility of vibration response imaging (VRI(XP)) Operation Planning Software (O-Plan) in assessing suitability for surgical resection and for the prediction of postoperative forced expiratory volume in 1s (ppoFEV(1)).MethodsA total of 58 subjects with lung cancer underwent evaluation prior to lung resection surgery and postoperative lung function after surgery.ResultsPreoperative pulmonary function tests and quantitative breath sound measurements by VRI were performed in all patients to estimate postoperative lung function. In addition, 20 patients underwent perfusion scan prior to surgery. VRI(XP) O-Plan predictions (12 pneumonectomies and 46 lobectomies) showed good correlation and concordance (Lin's coefficient) with postoperative FEV(1) (l) (r=0.865, Lin's coefficient 0.858) and FEV(1) (%) (r=0.877, Lin's coefficient 0.861) 4-6 weeks after surgery. Predicted and postoperative measured FEV(1) showed no significant differences (p>0.05). Average lung function predicted postoperative values were similar for perfusion and VRI(XP) O-Plan calculations with a correlation of 0.74 and concordance of 0.700.ConclusionsVRI(XP) O-Plan has shown high accuracy in predicting postoperative FEV(1) after lung resection surgery. Given its simplicity of operation and the non-invasive nature of VRI(XP) and O-Plan, it could be a good alternative to perfusion scan in pre-surgery assessment.Copyright 2009 European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved.

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