RESUMO
Spa therapy has been performed at our medical center for last 20 years. The changes in number and frequency of patients with respiratory disease were analyzed every 5 year for last 20 years. The total number of patients with respiratory disease who were admitted at our medical center for last 20 years was 1934, of whom the number of patients with asthma was 1226 (63.4%), and the number of those with COPD was 415 (21.5%). The number of patients with asthma treated with spa therapy showed a tendency to increase form 57 for the first 5 years (first stage) to 465 for the last 5 years (forth stage). The number of patients with COPD also increased from 26 for the first 5 years to 227 for the last 5 years. The frequency of SDIA decreased from 68.4% for the first 5 years to 29.0% for the last 5 years. In contrast, the frequency of pulmonary emphysema increased 19.2% at the first stage to 76.7% at the forth stage. The number and frequency of elderly patients with asthma and COPD over the age of 60 tended to increase for last 20 years.