Homepage: Norms, rates, CP and body oxygenation
Table 1b. Western scientific evidence about prevalence of CHV
(chronic hyperventilation) in patients with asthma.
*One row corresponds to one medical study/publication
| Condition | Minute ventilation |
Number of patients |
Prevalence of CHV |
References (click below for abstracts) |
| Normal breathing | 6 l/min | - | 0 % | Medical textbooks |
| Asthma | 13 (±2) l/min | 16 | 100% | Chalupa et al, 2004 |
| Asthma | 15 l/min | 8 | 100% | Johnson et al, 1995 |
| Asthma | 14 (±6) l/min | 39 | 100% | Bowler et al, 1998 |
| Asthma | 13 (±4) l/min | 17 | 100% | Kassabian et al, 1982 |
| Asthma | 12 l/min | 101 | 100% | McFadden & Lyons, 1968 |
References (in the same order)
Chalupa et al, 2004 (click on the name to read the abstract of the study)
Chalupa DC, Morrow PE, Oberdörster G, Utell MJ, Frampton MW, Ultrafine particle deposition in subjects with asthma, Environmental Health Perspectives 2004 Jun; 112(8): p.879-882.
Johnson BD, Scanlon PD, Beck KC, Regulation of ventilatory capacity during exercise in asthmatics, J Appl Physiol. 1995 Sep; 79(3): p. 892-901.
Bowler SD, Green A, Mitchell CA, Buteyko breathing techniques in asthma: a blinded randomised controlled trial, Med J of Australia 1998; 169: p. 575-578.
Kassabian J, Miller KD, Lavietes MH, Respiratory center output and ventilatory timing in patients with acute airway (asthma) and alveolar (pneumonia) disease, Chest 1982 May; 81(5): p.536-543.
McFadden ER & Lyons HA, Arterial-blood gases in asthma, The New Engl J of Med 1968 May 9, 278 (19): 1027-1032.