肺心病患者常因急性呼吸道感染诱发呼吸衰竭或心力衰竭而导致死亡。故肺心病治疗的成败关键之一在于能否控制呼吸道感染，根据痰细菌培养及药物敏感试验合理选用抗生素则十分重要。我院自1990年7月～1996年8月收治肺心病488例，送痰．细菌培养436例，其中痰菌阳性者86例现将病 Patients with cor pulmonale often die of respiratory failure or heart failure due to acute respiratory infection. Therefore, one of the keys to the success or failure of pulmonary heart disease treatment is whether it can control respiratory infections. According to sputum bacterial culture and drug susceptibility testing rational use of antibiotics is very important. Our hospital from July 1990 to August 1996 488 cases of pulmonary heart disease, phlegm. Bacterial culture in 436 cases, of which 86 cases of sputum positive are now sick