An Efficacy Study of BCS Clearing the Oral Colonized Bacterium in Hospitalized Patients With COPD

Exclusion Criteria

• •1. History of mouthwash allergies, allergic rhinitis or dermatitis.
• •2. Patients with oral ulcers, severe periodontal disease, oral mucosal lesions or oral cancer, patients received special oral clean.
• •3. Patients with removable denture.
• •4. Patients with malignant blood diseases.
• •5. History of using cytotoxic drugs or biological immunosuppressants ( such as TNF-α inhibitors ).
• •6. Had used clinical study drugs before 28 days enrollment.
• •7. Had used clinical study drugs before 28 days enrollment.