Canadian journal of ophthalmology. Journal canadien d'ophtalmologie · 2015
Evaluation and neuroimaging of the Horner syndrome.
СтатьяНазвание и аннотация: Перевод в очереди
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Chen Ying, Morgan Michael L, Barros Palau Angelina Espino, Yalamanchili Sushma, Lee Andrew G
Аннотация
OBJECTIVE: To define the efficacy, safety, and cost-effectiveness of a single centre's approach to evaluating Horner syndrome (HS) including a simplified single neuroimaging protocol.
DESIGN: Case series study.
PARTICIPANTS: Medical records of 34 patients diagnosed with HS at Houston Methodist Hospital (HMH) were reviewed after obtaining Institutional Review Board approval.
METHODS: A retrospective chart review was performed for all patients presenting with the diagnosis of HS at the HMH from January 2010 to November 2013. All patients had diagnostic imaging with contrast-enhanced brain magnetic resonance imaging (MRI) extending to the T2 level in the chest. They had either documented causative diagnosis for HS or were "idiopathic." Efficacy and cost-effectiveness of the proposed neuroimaging technique were analyzed compared with other recommended protocols.
RESULTS: We initially reviewed 34 charts with presumed diagnosis of HS; 27 charts were included in the analysis. The average age of patients was 46.6 years. Eleven patients (41%) had a final diagnosis of HS secondary to a proven cause, and 16 patients (59%) were diagnosed as "idiopathic." Ten patients (63%) in the idiopathic group had follow-up, and none of those with follow-up had an alternative cause. The estimated cost of our recommended MRI protocol was US$667.76 without magnetic resonance angiography (MRA) or US$1501.71 with MRA.
CONCLUSIONS: A single contrast-enhanced brain MRI extending to the T2 level in the chest is an effective and simple means of ruling out life-threatening and other causative factors of HS. Compared with previous imaging recommendations, this proposed protocol may be simpler for clinicians to use and more cost-effective.
DESIGN: Case series study.
PARTICIPANTS: Medical records of 34 patients diagnosed with HS at Houston Methodist Hospital (HMH) were reviewed after obtaining Institutional Review Board approval.
METHODS: A retrospective chart review was performed for all patients presenting with the diagnosis of HS at the HMH from January 2010 to November 2013. All patients had diagnostic imaging with contrast-enhanced brain magnetic resonance imaging (MRI) extending to the T2 level in the chest. They had either documented causative diagnosis for HS or were "idiopathic." Efficacy and cost-effectiveness of the proposed neuroimaging technique were analyzed compared with other recommended protocols.
RESULTS: We initially reviewed 34 charts with presumed diagnosis of HS; 27 charts were included in the analysis. The average age of patients was 46.6 years. Eleven patients (41%) had a final diagnosis of HS secondary to a proven cause, and 16 patients (59%) were diagnosed as "idiopathic." Ten patients (63%) in the idiopathic group had follow-up, and none of those with follow-up had an alternative cause. The estimated cost of our recommended MRI protocol was US$667.76 without magnetic resonance angiography (MRA) or US$1501.71 with MRA.
CONCLUSIONS: A single contrast-enhanced brain MRI extending to the T2 level in the chest is an effective and simple means of ruling out life-threatening and other causative factors of HS. Compared with previous imaging recommendations, this proposed protocol may be simpler for clinicians to use and more cost-effective.