Background: Postoperative air leakage is a frequent complication after lung resection, and emphysema is a risk factor. However, no study has investigated the relationship between emphysema severity and postoperative complications related to air leak by the Goddard score (GS), a visual evaluation method of radiologic emphysema using computed tomography.
Methods: This study included patients who underwent lobectomy for non-small cell lung cancer between April 2009 and March 2022. The utility of GS in predicting complications related to air leak (air leak prolonged for ≥5 days, pleurodesis, and reoperation for air leak) was investigated by receiver operating characteristic curve analysis and multivariable analysis with a logistic regression model.
Results: This study included 477 patients. The GS was a significant predictor of complications related to air leak (area under the curve, 0.696; P < .001). Based on the receiver operating characteristic curve analysis, GS of 6 points was used as the cutoff point for multivariable analysis. In the multivariable analysis, GS of ≥6 points was a significant predictor of complications related to air leak (odds ratio, 2.719; P = .007). In the subgroup analysis of patients with emphysema, GS of ≥6 points was a significant predictor of complications related to air leak (P = .014).
Conclusions: The GS was useful in predicting complications related to air leak. Patients with radiologic findings of emphysema with GS of ≥6 points should be recognized as a high-risk group for complications related to air leak.
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