Our results indicate that nitric oxide may be involved in the pathogenesis of vasodilation and erythema in AD skin.

The aim of the present study was to evaluate the anti‐allergic effect of apple condensed tannins (ACT) in patients with atopic dermatitis (AD) as a pilot study. An ACT supplement given to the patients at oral doses of 10 mg/kg per day for 8 weeks reduced the inflammation, lichenification, cracking, itching, sleep dis‐ turbance and peripheral blood eosinophil counts. Itching and sleep disturbance scores after ACT supplement even for 2 weeks were significantly decreased compared with the control group. The results suggest that ACT has an anti‐allergic effect and that its use improved the symptoms of AD.

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A prospective study was performed to investigate the validity of renal failure index (RFI) or fractional excretion of sodium (FENa) in preterm infants. The subjects were 128 newborn infants, 72 with oliguria and 56 without renal dysfunction (control). Oliguric infants were divided into two categories: acute renal failure (ARF) and prerenal failure (PRF), according to creatinine clearance (Ccr). Furthermore, all subjects were divided into four groups according to gestation, that is, 38 infants with gestational age of 25–28 weeks (group 1), 28 with 29–30 weeks (group 2), 38 with 31–36 weeks (group 3) and 24 of > 37 weeks (group 4). As a result, differentiation between ARF and PRF was valid when the RFI or FENa was used in infants of > 29 weeks gestation (groups 2, 3 and 4). Although infants of > 31 weeks gestation (groups 3 and 4) who present with an RFI > 3 or an FENa > 3% may be diagnosed as having ARF, infants in group 2 with an RFI of > 8 or an FENa of > 6% may be diagnosed as having ARF. For the infants in group 1, the application of RFI or FENa for diagnosis of ARF may be limited because of some overlap among the groups.