Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz

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Lindenmann, J; Fink-Neuboeck, N; Fediuk, M; Maier, A; Kovacs, G; Balic, M; Smolle, J; Smolle-Juettner, FM.
Preoperative Peak Oxygen Consumption: A Predictor of Survival in Resected Lung Cancer.
Cancers (Basel). 2020; 12(4): Doi: 10.3390/cancers12040836 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz: Lindenmann Jörg
Co-Autor*innen der Med Uni Graz: Balic Marija; Fediuk Melanie; Fink-Neuböck Nicole; Kovacs Gabor; Maier Alfred; Smolle Josef; Smolle-Juettner Freyja-Maria
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Abstract:: The peak oxygen consumption (VO₂ peak) serves as a prognostic factor in cardio-respiratory diseases and plays an important role in cancer patients. The long-term prognostic relevance of VO₂ peak in lung cancer patients has not been investigated extensively. The aim of this study was to evaluate the impact of the preoperative VO₂ peak on the postoperative long-term survival in patients with operated lung cancer. Retrospective analysis of 342 patients with curatively resected non-small-cell lung cancer using a multivariate Cox proportional hazard model. Results: Preoperative VO₂ peak ranged from 10.2 to 51.8 mL/kg/min (mean: 18.3 ± 4.6), VO₂ peak % of predicted ranged from 32 to 172% (mean: 65.2 ± 18.0%). Overall 10-year survival was 23%. A Log-rank test comparing predicted VO₂ peak ≥ 60% with predicted VO₂ peak < 60% showed overall survival of 30% and 17%, respectively (p < 0.001) and non-tumour-related survival of 71% and 51% (p = 0.001) at 10 years. In multivariable Cox analysis, overall 10-year survival correlated with a high predicted VO₂ peak% (p = 0.001) and low N-stage corresponding to N0 and N1 (p < 0.001). Non-tumour-related death correlated with low VO₂ peak% of predicted (p = 0.001), and age (p < 0.001). Low preoperative VO₂ peak was associated with both decreased postoperative overall survival and decreased non-tumour-related survival during the 10-year follow-up.
Find related publications in this database (Keywords): lung cancer; exercise capacity; preoperative peak; oxygen consumption; 10-year survival; prediction