Effect of different depth of aspiration on patients without effective cough response.

OBJECTIVE: To investigate the nursing effect of deep or shallow sputum suction in the treatment of patients without cough response. METHODS: A total of 144 patients receiving mechanical ventilation without an effective cough reaction were randomly divided into two groups: deep suction group (n=73) and shallow suction group (n=71). Heart rate, breathing, blood pressure, analgesia and sedation score, residual sputum volume, frequency of suction, sputum volume, improvement of phlegm sound, airway bleeding and oxygen before and after intervention were observed. Partial pressure, partial pressure of carbon dioxide and oxygenation index were used to evaluate the effect of two sputum suction methods on patients without an effective cough response. RESULTS: (P < 0.05). CONCLUSION: Deep sputum suction has a great effect on the vital signs of patients, but there is not a serious effect on the vital signs. Shallow sputum suction does not effectively clean the airway of patients without a cough response; therefore, patients with a weak cough response need deep sputum suction.