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Sinus computed tomography predicts clinical response to corticosteroids in chronic rhinosinusitis with nasal polyps.

Abstract：

Background:Chronic rhinosinusitis with nasal polyps (CRSwNP) is a heterogeneous inflammatory disease usually characterized by chronic eosinophilia in the sinonasal mucosa, which often requires glucocorticoid (GC) therapy. However, the therapeutic response varies markedly between individuals. The objective of this study was to evaluate the diagnostic values of sinus computed tomography (CT) for GC-sensitivity in patients with CRSwNP. Methods:We conducted a prospective, single-blinded study of 47 consecutive patients with CRSwNP. These patients were given a course of oral prednisone (30 mg daily for 14 days) and subsequently classified into objectively GC-sensitive and -insensitive subgroup according to the change in nasal polyp size score, or subjectively GC-sensitive and -insensitive subgroup according to the change in total nasal symptom score. The following parameters were compared between GC-sensitive and GC-insensitive subgroups: Lund-Mackay scores, olfactory cleft (OC) scores, and blood eosinophil counts and ratio (percentage of the total white blood cells). Results:25/47 (53.2%) and 29/47 (61.7%) patients were objectively and subjectively sensitive to GC therapy, respectively. The OC score and the blood eosinophil counts and ratio in GC-sensitive subgroup were significantly higher than those in GC-insensitive subgroup, defined either objectively or subjectively. Multivariate logistic regression revealed that OC score was independent risk factor for objective or subjective GC-sensitivity. The OC score exhibited comparable accuracy with the blood eosinophil ratio as predictor of objective and subjective GC-sensitivity (the OC score AUC = 0.775 and 0.829, respectively). A OC score of 3.5 could act as a reliable indicator for predicting the clinical response to GC therapy in CRSwNP. Conclusion:Our prospective findings validate the potential value of sinus CT scan in predicting GC-sensitivity in CRSwNP patients.

journal_name

Clin Transl Allergy

journal_title

Clinical and translational allergy

authors

Hong H,Wang D,Tan KS,Zheng R,Chen F,Gao W,He H,Shi J,Fan Y,Yang Q,Sun Y

doi

10.1186/s13601-018-0211-1

subject

Has Abstract

pub_date

2018-07-02 00:00:00

pages

issn

2045-7022

pii

211

journal_volume

pub_type

杂志文章

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Sinus computed tomography predicts clinical response to corticosteroids in chronic rhinosinusitis with nasal polyps.