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Exhaled and nasal nitric oxide measurements : recommendations
*Dept of Thoracic Medicine, National Heart and Lung Institute, Dovehouse Street, London, UK. **Dept of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden. Correspondence. P.J.Expand
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High nitric oxide production in human paranasal sinuses
Nitric oxide (NO) is present in air derived from the nasal airways. However, the precise origin and physiological role of airway-derived NO are unknown. We report that NO in humans is produced byExpand
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Intragastric nitric oxide production in humans: measurements in expelled air.
High values (800-6000 parts per billion) of nitric oxide (NO) in expelled air from the stomach were shown in humans by chemiluminescence technique. These NO values were more than 100 times higherExpand
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Increased amount of nitric oxide in exhaled air of asthmatics.
The presence of nitric oxide (NO) in the exhaled air of humans has recently been described. We wanted to assess at what level exhaled NO originates in normal airways, and to determine whether airwayExpand
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Primarily nasal origin of exhaled nitric oxide and absence in Kartagener's syndrome.
The exact origin of nitric oxide (NO) in exhaled air is not known. We wanted to further investigate at what site exhaled NO is produced and to determine whether children with Kartagener's syndromeExpand
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Nitrite-derived nitric oxide: a possible mediator of 'acidic-metabolic' vasodilation.
The fundamental, yet poorly understood, physiological mechanism known as 'acidic-metabolic' vasodilation, contributes to local blood flow regulation during hypoxia/ischaemia and increased metabolicExpand
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Greatly increased luminal nitric oxide in ulcerative colitis
A role for nitric oxide (NO) in ulcerative colitis has been suggested because mucosal NO synthase activity, measured by indirect assays, is increased in this disorder. We directly measured luminal NOExpand
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Exhaled carbon monoxide is not elevated in patients with asthma or cystic fibrosis
Increased levels of exhaled carbon monoxide (fractional concentration of CO in expired gas (FE,CO)), measured with an electrochemical sensor, have been reported in patients with inflammatory airwayExpand
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Exhaled nitric oxide levels and blood eosinophil counts independently associate with wheeze and asthma events in National Health and Nutrition Examination Survey subjects.
BACKGROUND Fraction of exhaled nitric oxide (Feno) and blood eosinophil count (B-Eos) values, markers of local and systemic eosinophilic inflammation, respectively, are increased in asthmaticExpand
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