REFERENCES
  1. Chen N, Zhou M, Dong X, et al. Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study. Lancet . 2020;395:507–513.
  2. Mallick T, Dinesh A, Engdahl R, et al. COVID-19 complicated by spontaneous pneumothorax. Cureus . 2020;12:e9104.
  3. Sayar, A, Turna A, Metin M, et al. Simultaneous bilateral spontaneous pneumothorax report of 12 cases and review of the literature.Acta Chir Belg . 2004;104:572-576.
  4. Liu K, Zeng Y, Xie P, et al. COVID-19 with cystic features on computed tomography: a case report. Medicine (Baltimore) . 2020;99;18:e20175.
  5. do Lago VC, Cezare TJ, Fortaleza CMCB, et al. Does COVID-19 increase the risk for spontaneous pneumothorax? Am J Med Sci . 2020;360:735-737.
  6. Yamaya T, Baba T, Hagiwara E, et al. Pneumothorax in a COVID-19 pneumonia patient without underlying risk factors. Intern Med . 2020;59:2921-2925.
  7. Akcam TI, Kavurmaci O, Ergonul AG, et al. Analysis of the patients with simultaneous bilateral spontaneous pneumothorax. Clin Respir J . 2018;12:1207-1211.
  8. Dugan KC, Laxmanan B, Murgu S, et al. Management of persistent air leaks.Chest . 2017;152:417–423.
  9. Watanabe Y, Matsuo K, Tamaoki A, et al. Bronchial occlusion with Endobronchial Watanabe Spigot. J Bronchol 2003;10:264-267.
  10. Kaneda H, Minami K, Nakaho T, et al. Efficacy and long-term clinical outcome of bronchial occlusion with endobronchial Watanabe spigot for persistent air leaks. Respir Investig 2015;53:30-36.
  11. Lois M, Noppen M. Bronchopleural fistulas: an overview of the problem with special focus on endoscopic management. Chest2005;128:3955-3965.
  12. Mitsuyama Y, Tanaka S, Ike A et al. Refractory pneumothorax secondary to COVID-19 treated by autologous blood patch pleurodesis. QJM . 2022;114:803-804.
  13. Aihara K, Handa T, Nagai S, et al. Efficacy of blood-patch pleurodesis for secondary spontaneous pneumothorax in interstitial lung disease.Intern Med . 2011;50:1157-1162.
Figure 1.
A, B: Contrast computed tomography on admission shows infiltration shadows on both sides
C: Computed tomography shows bilateral pneumothorax after bilateral tube drainage.
D: Flexible bronchoscopy shows bronchial obstruction using EWS® (a 6-mm EWS® into B8bⅰ and a 7-mm EWS® into B8bⅱ on the left).