Abstract:Objective To investigate the effect of high-dose N-acetylcysteine on patients with invasive mechanical ventilation. Methods Patients with occupational-related obstructive pulmonary disease who underwent invasive mechanical ventilation in the Department of Respiratory Medicine of our hospital were randomly divided into the conventional group and the treatment group.The patients in the control group was given conventional treatment, and in the observation group was given N-acetylcysteine 600 mg/time on the basis of conventional treatment, nasal feeding, 2 times one day. The levels of PCT, CRP, and IL -6 were observed before treatment and 72 h after treatment; the patient's tracheal intubation time and ICU hospitalization time were calculated. Results There was no significant difference in PCT and hs-CRP IL-6 levels between the two groups before treatment(P>0.05). After treatment, the PCT and hs-CRP IL-6 levels were lower than those before treatment. The PCT and hs-CRP IL-6 levels in the observation group were lower than those in the control group(P<0.05). The tracheal intubation time and ICU hospitalization time were shorter in the observation group than in the control group(P>0.05). After 14 days of treatment, the total effective rate of the observation group was significantly higher than that of the control group, and the difference was statistically significant(P<0.05). Conclusion N-acetylcysteine can improve the successful offline rate of patients with COPD and relieve the acute exacerbation after offline.
Key Words:N-acetylcysteine; Mechanical ventilation; Occupational-related obstructive pulmonary disease
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