Objective:To evaluate the efficacy of Alginic sodium diester in the treatment of chronic pulmonary heart disease.Methods:Selected 80 patients with chronic pulmonary heart disease,who were randomly divided into observation group and control group.Control group were given antibiotics,continuous low flow oxygen,bronchodilators,cardiac diuretic,correct water and electrolyte balance.Observation group were given Alginic sodium diester 0.15 g,propylene glycol algi nate in 0.9% sodium chloride 250 ml,intravenous in...