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Titolo:
Increased carbon monoxide in exhaled air of patients with seasonal allergic rhinitis
Autore:
Monma, M; Yamaya, M; Sekizawa, K; Ikeda, K; Suzuki, N; Kikuchi, T; Takasaka, T; Sasaki, H;
Indirizzi:
Tohoku Univ, Sch Med, Dept Geriatr Med, Aoba Ku, Sendai, Miyagi 980, JapanTohoku Univ Sendai Miyagi Japan 980 d, Aoba Ku, Sendai, Miyagi 980, Japan Tohoku Univ, Sch Med, Dept Geriatr Med & Otolaryngol, Aoba Ku, Sendai, Miyagi 980, Japan Tohoku Univ Sendai Miyagi Japan 980 l, Aoba Ku, Sendai, Miyagi 980, Japan
Titolo Testata:
CLINICAL AND EXPERIMENTAL ALLERGY
fascicolo: 11, volume: 29, anno: 1999,
pagine: 1537 - 1541
SICI:
0954-7894(199911)29:11<1537:ICMIEA>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
NASAL NITRIC-OXIDE; CYTOKINES; MUCOSA; ASTHMA; CELLS;
Keywords:
airway inflammation; alveolar macrophages; asthma; carbon monoxide; haem oxygenase; nitric oxide;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Sasaki, H Tohoku Univ, Sch Med, Dept Geriatr Med, Aoba Ku, Seiryo Machi 1-1, Sendai,Miyagi 980, Japan Tohoku Univ Seiryo Machi 1-1 Sendai Miyagi Japan 980 980, Japan
Citazione:
M. Monma et al., "Increased carbon monoxide in exhaled air of patients with seasonal allergic rhinitis", CLIN EXP AL, 29(11), 1999, pp. 1537-1541

Abstract

Background Carbon monoxide (CO) can be detected in exhaled air and is increased in asthmatic patients. However, it is uncertain whether exhaled CO isincreased in patients with allergic rhinitis. Objective and methods To study whether exhaled CO is increased in patientswith allergic rhinitis, exhaled CO concentrations were measured on a CO monitor by vital capacity manoeuvre in 86 patients with seasonal allergic rhinitis during and out of the cedar pollen season. Results During the season, exhaled CO concentrations were 3.6 +/- 0.3 p.p.m. and decreased to 1.2 +/- 0.1 p.p.m. out of the season. The values of exhaled CO out of the season were similar to those in age-matched non-smoking healthy control subjects (1.2 +/- 0.1 p.p.m.). Exhaled CO concentrations were significantly higher in patients with symptoms than in those without symptoms (P < 0.01). Exhaled CO concentrations in patients did not differ significantly among oral and nasal exhalation, and oral exhalation with an expiratory resistance (P > 0.20). Conclusion These findings suggest that allergic rhinitis increases the concentration of CO in exhaled air and increases in exhaled CO may be derived from lower airways. Keywords: airway inflammation, alveolar macrophages, asthma, carbon monoxide, haem oxygenase, nitric oxide.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/07/20 alle ore 10:03:24