Psychiatry Res. 2008 Jan 15;157(1-3):307-10. Epub 2007 Oct 26.
Panic disorder respiratory subtype: a comparison between responses to hyperventilation and CO2 challenge tests.
Freire RC, Lopes FL, Valença AM, Nascimento I, Veras AB, Mezzasalma MA, de-Melo-Neto VL, Zin WA, Nardi AE.
Laboratory of Panic & Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro, Rua Visconde de Pirajá, 407/702, 22410-003, Rio de Janeiro, Brazil. rafaelcrfreire@terra.com.br
In this study 117 panic disorder patients were divided into a respiratory subtype group and a non-respiratory subtype group. The respiratory subtype patients were observed to be more sensitive to the 35% CO(2) inhalation challenge test and the hyperventilation test than the non-respiratory subtype patients.
Publication Types:
PMID: 17964660 [PubMed - indexed for MEDLINE]
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