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Sökning: WFRF:(Alving Kjell 1959 ) > Concurrence of elev...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003969naa a2200433 4500
001oai:DiVA.org:uu-421290
003SwePub
008201007s2020 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4212902 URI
024a https://doi.org/10.1002/ppul.245782 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Kalm-Stephens, Pia,d 1959-u Uppsala universitet,Pediatrisk inflammations- och metabolismforskning samt barnhälsa4 aut0 (Swepub:uu)piaka760
2451 0a Concurrence of elevated FeNO and airway hyperresponsiveness in nonasthmatic adolescents
264 c 2020-01-15
264 1b Wiley,c 2020
338 a print2 rdacarrier
520 a OBJECTIVES: The aim of this study was to investigate airway responsiveness and eosinophil and neutrophil inflammatory markers in clinically confirmed nonasthmatic adolescents with elevated fractional exhaled nitric oxide (FeNO), a marker of type-2 inflammation in the airways.METHODOLOGY: A total of 959 subjects from a general population, aged 12 to 15 years, answered a standardised questionnaire and underwent FeNO measurements at a screening visit at school. Adolescents without asthma, who had elevated FeNO (FeNO100  > 15 ppb) (n = 19), and control subjects, with low FeNO (FeNO100  < 5 ppb) and without reported symptoms of asthma or allergy (n = 28), participated in a follow-up study where FeNO50 , airway responsiveness to methacholine (PD20 ), blood eosinophil counts, and serum neutrophil lipocalin (HNL) and myeloperoxidase (MPO) levels were measured. Questionnaire follow-ups were performed 4 and 16 years later.RESULTS: Airway responsiveness (PD20 : 6.94 [1.87, 11.39] vs 11.42 [6.33, 59.4] µmol; P < .05) and blood eosinophil counts (0.31 [0.20, 0.44] vs 0.13 [0.1, 0.22] 109 /L; P < .001) (geometric mean [95% CI]) were higher among cases than controls. A significant correlation between blood eosinophils and FeNO was found (rho = 0.41; P = .005). In contrast, serum HNL and MPO were lower in cases than controls (P < .05 both), and there was a negative correlation between HNL and FeNO (r = -0.31; P = .04). At both follow-ups, a higher proportion of subjects reported allergic symptoms compared with baseline (P = .02, P = .01).CONCLUSIONS: Elevated FeNO in nonasthmatic adolescents was associated with airway hyperresponsiveness, elevated blood eosinophil counts, and lower systemic activation of neutrophils.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Lungmedicin och allergi0 (SwePub)302192 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Respiratory Medicine and Allergy0 (SwePub)302192 hsv//eng
653 a adolescents
653 a breath test
653 a eosinophilia
653 a nitric oxide
653 a respiratory hypersensitivity
653 a Lungmedicin
653 a Lung Medicine
700a Malinovschi, Andrei,d 1978-u Uppsala universitet,Klinisk fysiologi4 aut0 (Swepub:uu)anmal535
700a Janson, Christeru Uppsala universitet,Lung- allergi- och sömnforskning4 aut0 (Swepub:uu)chrisjn
700a Venge, Peru Uppsala universitet,Klinisk kemi4 aut0 (Swepub:uu)pervenge
700a Nordvall, Lennartu Uppsala universitet,Pediatrisk inflammations- och metabolismforskning samt barnhälsa4 aut0 (Swepub:uu)lennnord
700a Alving, Kjell,d 1959-u Uppsala universitet,Pediatrisk inflammations- och metabolismforskning samt barnhälsa4 aut0 (Swepub:uu)kjeal631
710a Uppsala universitetb Pediatrisk inflammations- och metabolismforskning samt barnhälsa4 org
773t Pediatric Pulmonologyd : Wileyg 55:3, s. 571-579q 55:3<571-579x 8755-6863x 1099-0496
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-421290
8564 8u https://doi.org/10.1002/ppul.24578

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