ARTICLE INFO

Article Type

Original Research

Authors

Einollahzade   H. (* )
Samimi   K. (1)
Soltan Sanjari   M. (1 )






(* ) Radiology Department, Medicine Faculty, Iran University of Medical Sciences, Tehran, Iran
(1) Radiology Department, Medicine Faculty, Iran University of Medical Sciences, Tehran, Iran

Correspondence

Address: 4th Floor, No.2, Sanei Dead End, Fifth Street, Dr. Fatemi Avenue, tehran, Iran
Phone: +982188996660
Fax: +982188957948
herad2010@yahoo.com

Article History

Received:   April  14, 2014
Accepted:   June 10, 2014
ePublished:   July 1, 2014

ABSTRACT

Aims Temporal arteritis is one of the rare vascular diseases. The common diagnosis method of this disease is invasive biopsy of the temporal artery wall that despite of partial precision have several side effects. The aim of this study was to investigate the sensitivity, specificity, accuracy, positive predictive value and negative predictive value of duplex ultrasonography compared to invasive biopsy.
Materials & Methods This cross-sectional study was conducted in Rasool-e- Akram Hospital, from the March, 2012 to the end of March, 2013. 20 patients suspected to have temporal arteritis were introduced using convenient sampling method from Rasool-e-Akram Hospital ophthalmologic ward for duplex ultrasonographic examinations. Ultrasonography was performed on three sections of the superficial temporal arteries and the frontal and parietal branches in both longitudinal and transverse sections.
Findings Observing halo sign (p=0.0001), temporal artery stenosis (p=0.001) and irregularities in the arterial wall (p=0.001) in duplex ultrasonography were significantly able to diagnosis the temporal arteritis. Agreement between the two methods was obtained as 0.7, based on the Kappa test (p=0.001). The sensitivity of duplex ultrasonography based on symptoms compared to the biopsy was 100%, specificity was 76.9%, the positive predictive value was 70%, negative predictive value was 100% and the accuracy was 85%.
Conclusion Duplex ultrasonography seems to be a good alternative for invasive biopsies to diagnose temporal arteritis.

Keywords: Giant Cell Arteritis , Ultrasonography, Doppler, Duplex , Biopsy , Temporal Arteries ,

CITATION LINKS

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