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CT angiograghy in the diagnosis of lower extremity arteriosclerosis obliterans: a Meta analysis / 中华放射学杂志
Chinese Journal of Radiology ; (12): 841-846, 2010.
Artigo em Chinês | WPRIM | ID: wpr-388275
ABSTRACT
Objective To systematically assess the diagnostic performance of CTA for lower extremity peripheral arterial disease (PAD) using a Meta analysis method. Methods Studies were located through electronic searching of the PubMed, EBSCO, Springer, Ovid, CNKI, Cochrane library (from the date of establishment of the databases to October 2009 ). Bibliographies of the retrieved articles were also checked. All the studies concerning the diagnosis of PAD using CTA had been searched and reviewed, and the studies with the DSA as the gold standard were adopted as eligible. Subsequently, the characteristics of the included articles were appraised and extracted. Data on accuracy of included studies were extracted for further heterogeneity exploring, statistical pooling and SROC ( summary receiver operating characteristics)analyzing using the Meta Disc 1.4 software. Results Totally 24 studies met the inclusion criteria with a total of 1096 patients. The heterogeneity was found in these studies. The pooled accuracy indicators like sensitivity, specificity, and diagnostic odds ratio (DOR) were 0.95 ( 95% CI0.94-0.95 ), 0.96 ( 95% CI0.95-0.96), and 471.13 (95% CI242. 92-913.71 ), respectively. The area under of SROC curve was 0.9888 and the Q index was 0.9555. Subgroup analysis demonstrated significant difference on diagnostic performance for various CT slices (P < 0.05 ). Conclusion CTA can be regarded as an effective and feasible method for PAD diagnosis and screening, based on the results of this systematic review. However,more rigorous evaluations of CTA in patients with critical limb ischemia are needed.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo diagnóstico / Revisões Sistemáticas Avaliadas Idioma: Chinês Revista: Chinese Journal of Radiology Ano de publicação: 2010 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo diagnóstico / Revisões Sistemáticas Avaliadas Idioma: Chinês Revista: Chinese Journal of Radiology Ano de publicação: 2010 Tipo de documento: Artigo