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Prognosis of Secondary Pneumothorax in the Elderly
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A1531 - Prognosis of Secondary Pneumothorax in the Elderly
Author Block: F. Takahashi1, T. Takihara1, N. Nakamura2, Y. Horio1, K. Enokida1, K. Niimi1, N. Hayama1, T. Oguma1, T. Aoki1, M. Iwazaki3, K. Asano1; 1Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Japan, 2Department of Diagnostic Radiology, Tokai University School of Medicine, Isehara, Japan, 3Division of General Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara, Japan.
Backgrounds and Purpose: In contrast to spontaneous pneumothorax in younger populations, pneumothorax in the elderly is complicated with emphysema, interstitial lung diseases, or other pulmonary diseases, and is often difficult to care. In the present study, we examined short- and long-term prognosis of secondary pueumothorax in the elderly. Methods: Patients at age 50 years or older who were admitted to a tertiary university hospital for the treatment of pneumothorax during the period between 2006 and 2016 were examined retrospectively. Patients with active lung cancer were excluded from the analysis. Diagnosis of underlying diseases was made based on consensus readings of high-resolution computed tomography scan by a pulmonary physician and a radiologist. Results: There were 153 cases (125 males, mean age 70 ± 10 years) analyzed in the present study. Underlying pulmonary diseases were emphysema alone (61 cases), interstitial pneumonia alone (26 cases), interstitial pneumonia with emphysema (13 cases), and others (53 cases). Mortality rate within 90 days of pneumothorax was 8.2% for emphysema alone, 19.2% for interstitial pneumonia alone, 7.7% for interstitial pneumonia with emphysema, and 11.3% for other causes (p = 0.59). Major causes of death within 90 days were infection (6 cases) and respiratory/heart failure (5 cases). Median survival time after the onset of pneumothorax was 2,217 days for emphysema alone, 470 days for interstitial pneumonia alone, and survival time for the cases with interstitial pneumonia and emphysema or other diseases did not reach median (p = 0.01). Conclusion: Short and long-term prognosis of secondary pueumothorax in the elderly, especially in the cases associated with interstitial pneumonia, is poor.
Author Block: F. Takahashi1, T. Takihara1, N. Nakamura2, Y. Horio1, K. Enokida1, K. Niimi1, N. Hayama1, T. Oguma1, T. Aoki1, M. Iwazaki3, K. Asano1; 1Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Japan, 2Department of Diagnostic Radiology, Tokai University School of Medicine, Isehara, Japan, 3Division of General Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara, Japan.
Backgrounds and Purpose: In contrast to spontaneous pneumothorax in younger populations, pneumothorax in the elderly is complicated with emphysema, interstitial lung diseases, or other pulmonary diseases, and is often difficult to care. In the present study, we examined short- and long-term prognosis of secondary pueumothorax in the elderly. Methods: Patients at age 50 years or older who were admitted to a tertiary university hospital for the treatment of pneumothorax during the period between 2006 and 2016 were examined retrospectively. Patients with active lung cancer were excluded from the analysis. Diagnosis of underlying diseases was made based on consensus readings of high-resolution computed tomography scan by a pulmonary physician and a radiologist. Results: There were 153 cases (125 males, mean age 70 ± 10 years) analyzed in the present study. Underlying pulmonary diseases were emphysema alone (61 cases), interstitial pneumonia alone (26 cases), interstitial pneumonia with emphysema (13 cases), and others (53 cases). Mortality rate within 90 days of pneumothorax was 8.2% for emphysema alone, 19.2% for interstitial pneumonia alone, 7.7% for interstitial pneumonia with emphysema, and 11.3% for other causes (p = 0.59). Major causes of death within 90 days were infection (6 cases) and respiratory/heart failure (5 cases). Median survival time after the onset of pneumothorax was 2,217 days for emphysema alone, 470 days for interstitial pneumonia alone, and survival time for the cases with interstitial pneumonia and emphysema or other diseases did not reach median (p = 0.01). Conclusion: Short and long-term prognosis of secondary pueumothorax in the elderly, especially in the cases associated with interstitial pneumonia, is poor.
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