title: [Spirometric pulmonary age and its correlation with the chronological age of asthma patients].
abstract: OBJECTIVE
  Pulmonary age as a linear regression spirometric index, expresses pulmonary ventilatory function.
  
  
  OBJECTIVE
  A pilot study was done to assess the differences of the values of the pulmonary age index and chronological age in patients with bronchial asthma and healthy volunteers.
  
  
  METHODS
  We studies 111 subjects, 31 healthy and 80 with asthma.
  
  
  RESULTS
  All of them underwent spirometry. Healthy individuals showed a mean chronological age of 35 years, and a pulmonary age of 26 years. Asthmatic patients showed a mean chronological age of 38 years, and a pulmonary age of 59 years.
  
  
  CONCLUSIONS
  Both the time course and the severity of the disease increased pulmonary age.
authors.affiliation: Departamento de alergia e inmunología clínica, Hospital de Especialidades, CMN Siglo XXI, IMSS, México.
authors.forename: M I
authors.initials: MI
authors.lastname: Castrejón Vázquez
authors.forename: M L
authors.initials: ML
authors.lastname: Cuevas Urióstegui
authors.forename: G
authors.initials: G
authors.lastname: Espínola Reyna
authors.forename: S
authors.initials: S
authors.lastname: Martínez-Cairo Cueto
mesh_terms: D000328:Adult; D000367:Age Factors; D001249:Asthma / Q000473:pathology*; D005541:Forced Expiratory Volume; D006801:Humans; D008168:Lung / Q000473:pathology*; D008450:Maximal Midexpiratory Flow Rate; D010865:Pilot Projects; D013147:Spirometry; D014797:Vital Capacity