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KMID : 0939920220540030744
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대한암학회지
2022 Volume.54 No. 3 p.744 ~ p.752
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Predictive Value of Interstitial Lung Abnormalities for Postoperative Pulmonary Complications in Elderly Patients with Early-Stage Lung Cancer
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Jeong Won-Gi
Kim Yun-Hyeon
Lee Jong-Eun
Oh In-Jae
Song Sang-Yun
Chae Kum-Ju
Park Hye-Mi
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Abstract
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Purpose: Identifying pretreatment interstitial lung abnormalities (ILAs) is important because of their predictive value for complications after lung cancer treatment. This study aimed to assess the predictive value of ILAs for postoperative pulmonary complications (PPCs) in elderly patients undergoing curative resection for early-stage non?small cell lung cancer (NSCLC).
Materials and Methods: Elderly patients (age ≥ 70 years) who underwent curative resection for pathologic stage I or II NSCLC with normal preoperative spirometry results (pre-bronchodilator forced expiratory volume in 1 second to forced vital capacity [FVC] ratio > 0.70 and FVC ≥ 80% of the predicted value) between January 2012 and December 2019 were retrospectively identified. Univariable and multivariable regression analyses were performed to assess risk factors for PPCs. The Kaplan-Meier method and log-rank test were used to analyze the relationship between ILAs and postoperative mortality. One-way analysis of variance was performed to assess the correlation between ILAs and hospital stay duration.
Results: A total of 262 patients (median age, 73 years [interquartile range, 71 to 76 years]; 132 male) were evaluated. A multivariable logistic regression model revealed that, among several relevant risk factors, fibrotic ILAs independently predicted both overall PPCs (adjusted odds ratio [OR], 4.84; 95% confidence interval [CI], 1.35 to 17.38; p=0.016) and major PPCs (adjusted OR, 8.72; 95% CI, 1.71 to 44.38; p=0.009). Fibrotic ILAs were significantly associated with higher postoperative mortality and longer hospital stay (F=5.21, p=0.006).
Conclusion: Pretreatment fibrotic ILAs are associated with PPCs, higher postoperative mortality, and longer hospital stay.
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KEYWORD
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Interstitial lung abnormality, Postoperative pulmonary complication, Early-stage non-small cell lung neoplasms, Preoperative risk stratification, Elderly patients
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