General thoracic surgery
Impact of interstitial lung disease on surgical morbidity and mortality for lung cancer: analyses of short-term and long-term outcomes

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Abstract

Background

This study investigated postoperative morbidity, mortality, and the long-term survival for patients with lung cancer who have interstitial lung diseases.

Methods

A retrospective chart review of 931 patients with lung cancer who underwent pulmonary resection at Chiba University Hospital between 1990 and 2000 was undertaken. Interstitial lung disease was defined by medical history, physical examination, and abnormalities compatible with bilateral lung fibrosis on chest computed tomography or high-resolution computed tomography (36 patients: 3.9%, interstitial lung diseases group). The remaining 895 patients (96.1%) were categorized as non–interstitial lung disease group.

Results

The incidence of postoperative pneumonia and acute or exacerbation of interstitial pneumonia was higher in the interstitial lung disease group (all P < .05). Thirty-day mortality was statistically equivalent between the interstitial lung disease and the non–interstitial lung disease groups (P = .30). The 5-year overall survivals were 62.5% (non–interstitial lung disease) and 35.6% (interstitial lung disease). Respiratory failure was the second main cause of death after the recurrence of primary cancer in the interstitial lung disease group. The risk factors for long-term mortality were interstitial lung diseases, advanced pathologic stage, male sex, high age, and positive smoking history (all P < .05).

Conclusions

Interstitial lung disease was a risk factor for developing postoperative morbidity and mortality and poor long-term survival due to the occurrence of respiratory failure.

Keywords

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Cited by (0)

This study was supported by grant-in-aid for scientific research (No. 12671299) from the Japanese Ministry of Education, Culture, Sports, Science and Technology.

*

M.C. and Y.S. contributed equally to this work and are considered co–first authors.