Evaluation ofEffect ofLung Resection on LobarVentilation andPerfusion Using Intrabronchial Capnography

p<0.05), while theV-index on theunoperated-on side decreased after surgery (PRE, 10.5±5.3%; POST1, 7.9±3.5%, p<0.05; POST2, 7.2±2.9%, p<0.05). EtC02 after surgery was lower on theoperated-on side (POST1, 5.1±1.1%; POST2, 4.6±1.1%) than on the unoperated-on side(POST1, 5.4±0.9%,p<0.05; POST2, 5.0±0.9%, p<0.01). SincetheV-index andEtCO2arecompatible withtheexpiratory flow rateand theperfusion/ventil ation