Objective: This research aimed to investigate the clinical efficacy of aerosol inhalation of ambroxol hydrochloride combined with terbutaline on children with severe pneumonia, and to evaluate its influence on their immune function and inflammatory level. Methods: Totally 113 severe pneumonia children were included. Thereinto, 55 children in the control group (CG) were treated with terbutaline aerosol inhalation, while 58 in the research group (RG) were given ambroxol hydrochloride on the basis of the CG. Their symptom alleviating time, blood gas parameters, adverse reactions during treatment, clinical efficacy, immune function and inflammatory factors were compared. Results: The time of fever clearance time, disappearance of cough and pulmonary rates, chest shadow absorption and hospitalization of children in the RG were shorter than those in the CG. The combined treatment did not increase additional adverse reactions; instead, its effective rate was markedly higher than that in the CG. Further research found that after treatment, the arterial partial pressure of oxygen (PaO2), oxygenation index (OI), CD4+ and CD4+/CD8+, and interleukin-10 (IL-10) levels were dramatically increased, while the arterial partial pressure of carbon dioxide (PaCO2), C-reactive protein (CRP), interleukin-6 (IL-6), interleukin-17 (IL-17) and CD8+ levels were obviously increased. In addition, these indexes of children in the RG were obviously better than those in the CG. Conclusion: Aerosol inhalation of ambroxol hydrochloride combined with terbutaline has a remarkable clinical efficacy on children with severe pneumonia, which can improve their immune function and reduce inflammatory reaction.
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