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  • Title: [Clinical evaluation of urinary leukotriene e4 levels in children with respiratory syncytial virus infection].
    Author: Takahashi Y, Ichikawa M, Nawate M, Kamoshida H, Shikano T.
    Journal: Arerugi; 2003 Dec; 52(12):1132-7. PubMed ID: 14739774.
    Abstract:
    The levels of leukotriene E4 (LTE4) of the urine were determined in 24 pediatric patients with infectious diseases due to respiratory syncytial virus (RSV), i.e., bronchitis, pneumonia, and bronchiolitis, and compared with those in controls without allergic disease. The level for LTE4 of the acute-phase urine was 620+/-562 pg/mg. cr in the pediatric patients infected with RSV, being significantly higher than 190+/-67 pg/mg. cr in controls (P<0.005). The levels for LTE4 of the urine in the recovery phase showed a tendency toward decrease, as compared to those in the acute phase. However, there was no significant difference in the level for LTE4 of the acute-phase urine between the presence and the absence of each of the following conditions: expiratory wheezing; the association of pneumonia; family history of allergic diseases; the association of atopic dermatitis; and a past history of expiratory wheezing. An allergological study also revealed that there was no significant difference in LTE4 level between the presence and the absence of peripheral eosinophilia or between the presence and the absence of the high total level for IgE of the serum or positivity for the specific IgE level in the serum. These results suggest that LT is involved with the pathological conditions of RSV infection, but there are no direct relation between atopic diathesis or expiratory wheezing and the amounts of LT production.
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