Abstract:
BACKGROUND:Nasal nitric oxide (nNO) values are reduced in patients with cystic fibrosis (CF). Humming during nNO measurement increases nNO values in healthy subjects. Nasal NO is reduced in patients with CF, sinus disease or nasal polyps. Humming nNO values have not been reported in CF patients yet. Our aim was to explore humming nNO values in CF patients and assess whether nNO during humming is a better discriminator than silent nNO measurements in this patient group. MATERIALS AND METHODS:In a cross sectional study we measured nNO concentrations in healthy controls (HC) and in CF patients (n = 23 and 31, respectively). The participants held their breath for 10 s while air was passively extracted from one nostril with 700 mL min(-1) for direct NO measurements (NIOX chemiluminescence analyser). Subsequently nNO was measured during humming with the mouth closed for 10 s. RESULTS:Mean nNO in parts per billion (p.p.b.) (SD) during breath hold was 499 (164) and 240 (139), respectively. The median nNO peak (p.p.b., minimum-maximum) during humming was 1500 (425-4100) for HC and 120 (23-500) for CF. There was a highly significant difference between nNO both with and without humming between CF and HC (P < 0.01). The sensitivity and specificity of nNO for detecting CF were better with humming. CONCLUSION:Nasal NO concentrations with and without humming are significantly decreased in CF. Humming nNO is an excellent discriminator between HC and CF and performs better than silent nNO.
journal_name
Eur J Clin Investjournal_title
European journal of clinical investigationauthors
Struben VM,Sewbalak WV,Wieringa MH,Mantingh CJ,van den Toorn LM,Bakker M,Feenstra L,de Jongste JCdoi
10.1111/j.1365-2362.2007.01758.xsubject
Has Abstractpub_date
2007-02-01 00:00:00pages
140-4issue
2eissn
0014-2972issn
1365-2362pii
ECI1758journal_volume
37pub_type
杂志文章abstract:BACKGROUND:In model biles, cholesterol crystallization (an important factor in gallstone formation) mainly depends on phospholipid/bile salt ratios with characteristic sequences of plate-like (monohydrate) vs. non-plate-like (presumed anhydrous: arcs, needles, tubules, spirals) cholesterol crystals. We now investigate ...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.2004.01409.x
更新日期:2004-10-01 00:00:00
abstract::Arterial lumen narrowing and vascular occlusion is the actual cause of morbidity and mortality in atherosclerotic disease. Collateral artery formation (arteriogenesis) refers to an active remodelling of non-functional vascular anastomoses to functional collateral arteries, capable to bypass the site of obstruction and...
journal_title:European journal of clinical investigation
pub_type: 杂志文章,评审
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更新日期:2009-12-01 00:00:00
abstract::Thyroid hormones occasionally appear less effective when administered alone to patients with panhypopituitarism, and manifestations suggestive of hypothyroidism have been reported in patients suffering from untreated Addison's disease. In the latter condition, thyrotropin secretion is increased: this occurs already af...
journal_title:European journal of clinical investigation
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doi:10.1111/j.1365-2362.1987.tb02388.x
更新日期:1987-04-01 00:00:00
abstract:BACKGROUND:Cholecystolithiasis is a highly prevalent condition in the Western world. Gallbladder stone-related conditions represent the second most common gastrointestinal pathology. Cholesterol stones represent over 80% of gallstones. Cholesterol stones develop secondary to crystallization of bile cholesterol. Water r...
journal_title:European journal of clinical investigation
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abstract:BACKGROUND:Mutations in endoglin (ENG) and activin receptor-like kinase 1 (ALK-1 or ACVRL1) genes are the underlying basis of hereditary haemorrhagic telangiectasia (HHT) types 1 and 2, respectively. Both genes belong to the transforming growth factor-beta (TGF-beta) receptors superfamily and are expressed in endotheli...
journal_title:European journal of clinical investigation
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doi:10.1111/j.1365-2362.2007.01824.x
更新日期:2007-07-01 00:00:00
abstract:BACKGROUND:The investigation of the human follicle fluid proteome has gained much interest in the search of new markers as predictors for in vitro fertilization and intracytoplasmic sperm injection (IVF/ICSI) treatment outcome. Follicular fluid folate, as substrate of one carbon (1-C) metabolism, affects follicular met...
journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 杂志文章,多中心研究
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更新日期:2017-08-01 00:00:00
abstract::Serum testosterone, LH, and FSH before and after i.v. injection of LHRH were studied in ten acromegalic men and in twenty-one males after hypophysectomy. Controls were normal men matched according to age. Compared to the controls, basal FSH was slightly higher and basal LGH slightly lower in the untreated acromegalics...
journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.1977.tb01587.x
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pub_type: 杂志文章
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journal_title:European journal of clinical investigation
pub_type: 杂志文章,多中心研究
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1111/j.1365-2362.2011.02558.x
更新日期:2012-01-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
doi:10.1046/j.1365-2362.1999.00432.x
更新日期:1999-01-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1111/j.1365-2362.1980.tb00026.x
更新日期:1980-06-01 00:00:00
abstract:BACKGROUND:Kinetic abnormalities of apolipoprotein B (apoB)-containing lipoproteins in noninsulin-dependent diabetes mellitus (NIDDM) remain poorly understood. To get further insight into these abnormalities we performed a stable isotope kinetic experiment comparing the metabolism of apoB-containing lipoproteins in mod...
journal_title:European journal of clinical investigation
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doi:
更新日期:2000-08-01 00:00:00
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1982-08-01 00:00:00
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journal_title:European journal of clinical investigation
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journal_title:European journal of clinical investigation
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2011-02-01 00:00:00
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journal_title:European journal of clinical investigation
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更新日期:2018-11-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:1997-10-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:2012-02-01 00:00:00
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pub_type: 杂志文章
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更新日期:2010-11-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1988-12-01 00:00:00
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journal_title:European journal of clinical investigation
pub_type: 杂志文章
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更新日期:1975-07-29 00:00:00