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Erschienen in:
05.01.2019 | Original Article
The maximum dimension of the inferior vena cava is a significant predictor of postoperative mortality in lung cancer patients with idiopathic interstitial pneumonia
Erschienen in: Surgery Today | Ausgabe 6/2019
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Purpose
Several vascular measurements in computed tomography (CT) were reported to be indicators of pulmonary hypertension in chronic obstructive pulmonary disease (COPD) patients. We evaluated the usefulness of these parameters as predictors of postoperative mortality in lung cancer patients with IIP.
Methods
This retrospective study was performed on 1888 patients. The following CT findings were evaluated: diameter of the main pulmonary artery, ascending aorta, and the short axis of the inferior vena cava (IVC). Univariate and multivariate analyses were conducted to determine predictors of surgical mortality.
Results
In the IIP patients, the 90-day mortality was 0.8%, and the 2-year mortality was 5.8%. Regarding the 90-day mortality in patients with IIP, a multivariate analysis revealed a short axis of IVC > 21 mm [odds ratio (OR) 6.4, p < 0.01) and the risk score reported by Japanese Association for Chest Surgery (JACS) (OR 1.4, p = 0.01) as independent predictors. Regarding the 2-year mortality in patients with IIP, a multivariate analysis revealed IVC > 21 mm (OR 2.3, p < 0.04), %VC < 80% (OR 2.4, p = 0.02), and pathological cancer stages II and III vs. I (OR 7.2, p < 0.001) as independent predictors.
Conclusions
Enlargement of the IVC as measured by CT was a significant predictor of mortality after surgery for lung cancer with IIP patients.