Causes of death in patients with asthma and asthma–chronic obstructive pulmonary disease overlap syndrome

نویسندگان

  • Tomoya Harada
  • Akira Yamasaki
  • Takehito Fukushima
  • Kiyoshi Hashimoto
  • Miki Takata
  • Masahiro Kodani
  • Ryota Okazaki
  • Kenichi Takeda
  • Masanari Watanabe
  • Jun Kurai
  • Eiji Shimizu
چکیده

BACKGROUND The administration of inhaled corticosteroids and worldwide usage of several asthma guidelines have improved asthma mortality. Elderly patients with asthma show high mortality rates, and may have several comorbidities, including overlap with chronic obstructive pulmonary disease (COPD). Among patients showing asthma overlapped with COPD (asthma-COPD overlap syndrome; ACOS), mortality is worse than for asthma alone. Therefore, we investigated comorbidities, malignancies, and causes of death in patients with asthma and ACOS. METHODS This was a retrospective study. From January 2000 to March 2012, 650 patients were followed up at Tottori University Hospital. Medical records were reviewed to collect data regarding patient characteristics and comorbidities, and causes of death were recorded for patients who died during the study period. RESULTS Eighty-seven patients died during the study period. The most frequent cause of death was malignancy. The proportion of malignant disease was 21.7% in all patients, 19.4% in patients with asthma alone, and 32.4% in patients with ACOS. One patient died from an asthma attack during this period. CONCLUSION The most frequent cause of death in patients with asthma and ACOS was malignant disease. It is necessary to control not only asthma but also comorbidities in patients with asthma, especially in those with ACOS.

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عنوان ژورنال:

دوره 10  شماره 

صفحات  -

تاریخ انتشار 2015