Abstract:
BACKGROUND:Allergic rhinitis is commonly treated with antihistamines. Monitoring improvement of airway inflammation noninvasively using nasal nitric oxide (nNO) would be clinically useful. To determine the anti-inflammatory effect of oral levocetirizine dihydrochloride (LC), we measured nNO and nasal eosinophils (nEos) in perennial allergic rhinitis (PAR) subjects. METHODS:A randomized double-blind placebo-controlled crossover design was used. Inclusion criteria consisted of subjects having a PAR history, exam and diary scores consistent with active symptoms, and positive skin testing. Subjects taking allergy medications 1 month before the study were not enrolled. After consenting, 31 subjects (24 female subjects; mean age, 29 years) were randomized to either oral LC (5 mg) or matching placebo for 2 weeks. After 2 week washout, subjects started the other 2-week treatment. At each visit, nNO was measured by aspiration at each nare using a nasal kit from NIOX (Aerocrine, Sweden) in parts per billion; nEos was collected from nasal smears and measured by microscopy using the scoring system (0-4+) and symptoms were self-reported using the allergic Rhinitis Quality of Life Questionnaire (RQLQ). Daily allergy symptom scores (total symptom score [TSS] 4) were collected at each visit. RESULTS:During LC, mean baseline nNO was 807 ± 317 parts per billion (ppb; left) and 831 ± 332 ppb (right) and decreased significantly to 688 ± 266 ppb and 702 ± 286 ppb, respectively (p < 0.05). No significance was found during placebo treatment (778 ± 270 ppb, 808 ± 299 ppb to 802 ± 271 ppb, 813 ± 273 ppb). The mean nNO change was also significant compared with placebo (-125 ppb versus +14 ppb; p < 0.05). There was a significant decrease in nEos with LC compared with placebo (3.1-2.5 versus 2.9-2.6; p < 0.05). RQLQ scores were significantly improved with LC only. In TSS-4 scoring, a trend toward improvement during LC and significant worsening during placebo was found. Baseline nNO predicted changes in nasal eosinophils (nEos) and RQLQ. CONCLUSION:We showed that oral LC therapy decreased objective markers of rhinitis inflammation, nNO and nEos, in patients with PAR. Improvement in symptom scoring was also found with LC treatment.
journal_name
Am J Rhinol Allergyjournal_title
American journal of rhinology & allergyauthors
Bautista AP,Eisenlohr CP,Lanz MJdoi
10.2500/ajra.2011.25.3668subject
Has Abstractpub_date
2011-11-01 00:00:00pages
383-7issue
6eissn
1945-8924issn
1945-8932journal_volume
25pub_type
杂志文章,随机对照试验abstract:BACKGROUND:The pterygopalatine fossa (PPF) can be entered endoscopically, but the endoscopic landmarks to localize the bony structures in the PPF are not well described. This study aimed to investigate the anatomy of the sphenopalatine foramen (SPF), vidian canal (VC), and foramen rotundum (FR) with regard to an endosc...
journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2011.25.3638
更新日期:2011-09-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2017.31.4477
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.1177/1945892418816841
更新日期:2019-05-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章,评审
doi:10.2500/ajra.2013.27.3889
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abstract:BACKGROUND:The ciliary epithelial cells in the paranasal sinuses produce nasal nitric oxide (NO) continuously and plays a variety of roles in the paranasal sinuses. The purpose of this study was to assess whether we can use the levels of nasal NO (nNO) and exhaled NO (eNO) as a tool for evaluation in chronic rhinosinus...
journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
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更新日期:2014-01-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.1177/1945892420923934
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2010.24.3549
更新日期:2010-11-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 临床试验,杂志文章
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更新日期:2011-03-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章,评审
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更新日期:2016-01-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章,meta分析
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2014.28.4051
更新日期:2014-07-01 00:00:00
abstract:BACKGROUND:Nasal polyposis represents the end point of multiple inflammatory pathways and controversy continues as to the exact roles of medical and surgical approaches in the management of nasal polyposis. METHODS:A combination of both is often required to manage polyps adequately with surgery and intranasal steroids...
journal_title:American journal of rhinology & allergy
pub_type: 杂志文章,评审
doi:10.2500/ajra.2011.25.3681
更新日期:2011-09-01 00:00:00
abstract:BACKGROUND:The aim of this study was to describe and correlate radiographically the anterior ethmoidal artery (AEA) to useful endoscopic surgical landmarks, such as the nasal beak (NB), nasal crest (NC), and axilla of the middle turbinate, because these are commonly encountered during endoscopic sinus surgery and skull...
journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2011.25.3541
更新日期:2011-01-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2013.27.3939
更新日期:2013-07-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2010.24.3482
更新日期:2010-05-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2013.27.3837
更新日期:2013-01-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
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更新日期:2009-09-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
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更新日期:2013-03-01 00:00:00
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pub_type: 杂志文章
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更新日期:2012-01-01 00:00:00
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pub_type: 杂志文章
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更新日期:2016-11-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
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更新日期:2014-11-01 00:00:00
abstract:BACKGROUND:The management of allergic rhinitis (AR) encompasses education, pharmacotherapy, immunotherapy, and surgery. FK506 (tacrolimus) is an immunosuppressant that inhibits allergic reactions. The purpose of this study was to reveal whether FK506 treatment reduces allergic inflammation in an AR mouse model and to ...
journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2012.26.3743
更新日期:2012-03-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.1177/1945892420953790
更新日期:2020-08-25 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2012.26.3823
更新日期:2012-11-01 00:00:00
abstract:BACKGROUND:The clinical importance of serum squamous cell carcinoma antigen (SCCA) and SCCA subclasses has not been established for treating inverted papilloma (IP). The aim of this study was to clarify the clinical importance of serum SCCA and its subclasses in IP, compared with maxillary squamous cell carcinoma and ...
journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
doi:10.2500/ajra.2012.26.3797
更新日期:2012-09-01 00:00:00
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journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
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更新日期:2014-07-01 00:00:00
abstract:BACKGROUND:Nasal packing is usually performed to control bleeding after endoscopic sinus surgery (ESS). Although new packing materials have been developed, they still cause pain. This study was designed to evaluate the effect of lidocaine-soaked packs on pain after ESS. METHODS:A prospective, randomized, double-blind ...
journal_title:American journal of rhinology & allergy
pub_type: 杂志文章,随机对照试验
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更新日期:2013-11-01 00:00:00
abstract:BACKGROUND:One of the major causes of olfactory disturbances is chronic rhinosinusitis (CRS), and the main surgical modality to treat CRS is functional endoscopic sinus surgery (FESS). It, therefore, is essential to assess the effect of this surgery on olfaction. Also, it is necessary to find new ways of measuring olfa...
journal_title:American journal of rhinology & allergy
pub_type: 杂志文章
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更新日期:2015-07-01 00:00:00