Analysis of the effect of bacterial lysate and the immunologic mechanism in treating infant bronchiolitis

OBJECTIVE: We studied the effect of bacterial lysate and the immunologic mechanism in treating infant bronchiolitis.

PATIENTS AND METHODS: 124 infants were diagnosed with bronchiolitis were consecutively selected and randomly divided into control group and observation group, with 62 cases in each group. Conventional therapies were administered in the control group, while bacterial lysates were administered in the observation group. Therapeutic effects were compared after 14 days.

RESULTS: In the control group, the total effective rate experienced prominent increase and the healing period was shortened. The differences were statistically significant (p < 0.05). Comparison of the reverse reactions in two groups showed no statistical difference (p > 0.05). Levels of serum IFN-γ, IL-4, NF-κB and KBD-1 after treatment showed no prominent changes in the control group. Levels of IFN-γ and Hbd-1 increased while levels of IL-4 and NF-κB decreased in the observation group; the differences were statistically significant (p < 0.05). Comparisons of the indexes above mentioned after treatment in the two groups showed significant differences (p < 0.05). Levels of IgA, IgG and IgM after treatment in the control group showed no changes, as well as the level of IgM in the observation group. Levels of IgA and IgG after treatment in the observation group prominently increased and were higher than that in the observation group; the differences were statistically significant (p < 0.05).

CONCLUSIONS: Bacterial lysate can improve the therapeutic effect of infant bronchiolitis; it can also improve the level of certain cytokines, immunoglobulins, and strengthening immunity.

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