Observation on the therapeutic effect of the combined treatment of Yanshuyin and liquid nitrogen cryotherapy in the treatment of patients with chronic simple pharyngitis
Objective:To investigate the therapeutic effect of the combined treatment of Yanshuyin and liquid nitrogen cryotherapy in the treatment of patients with chronic simple pharyngitis.Methods:229 patients with chronic simple pharyngitis were selected.They were randomly divided into the 3 groups.75 patients in the Yanshuyin group were treated with Yanshuyin.71 cases in the frozen group used liquid nitrogen cryotherapy treatment.83 cases in the combined group used the combined treatment of Yanshuyin and liquid ni...