An important reason for the frequent recurrence and progression of chronic diseases is considered to be a violation of the body's immune defense [7, 9].
In 81 patients with exacerbation of chronic obstructive bronchitis, a decrease in the content of serum immunoglobulins M, G, A, an increase in the eosinophilic reaction and degranulation of basophils were revealed, indicating immunodeficiency and a tendency to allergies.
Early effects of intravenous terbutaline on cardiopulmonary function in chronic obstructive bronchitis and pulmonary hypertension.