[A trial of hierarchical cluster analysis of hospitalized wheezy infants and young children based on clinical factors].

Background: It has been estimated that there are several phenotypes constituting wheezy infants, in addition to true asthma.

Objective: The aim of this study is categorized wheezy infants and young children by cluster analysis and to turn out of categorized frequency.

Subjects And Methods: The study included 53 subjects aged less than 2 years old who were admitted with wheezy exacerbation.

[Relation of the time course of Japanese Pediatric Asthma Control Test (JPAC) and Childhood Asthma Control Test (C-ACT) score with respiratory function and fractional exhaled nitric oxide (FENO)].

Background And Object: Two major convenient questionnaires of asthma control in childhood, Japanese Pediatric Asthma Control Program (JPAC) and Childhood Asthma Control Test (C-ACT) have been available in Japan. The aim of this study is to evaluate relationship of two questionnaires in terms of the changes of respiratory function and fractional nitric oxide (FENO) in each individual.

Subject And Methods: The 102 samples from patients with asthma aged 6 to 11 years old and their parents' answers for the two questionnaires at regular visits were collected.

[The comparison of Japanese pediatric asthma control test (JPAC) with the childhood asthma control test (C-ACT) based on respiratory function and fractional exhaled nitric oxide (FEno)].

Background And Object: Two major convenient questionnaires of asthma control in childhood, Japanese Pediatric Asthma Control Program (JPAC) and Childhood Asthma Control Test (C-ACT) have been available in Japan. The aim of this study is comparison of utilities of these questionnaires by means of respiratory function and fractional nitric oxide (FENO).

Subject And Methods: The 154 samples from patients with asthma and their parents answered to two questionnaires at regular visits.