Volume 12, Issue 2 (Paramedical Sciences and Military Health (Summer 2017) 2017)
Paramedical Sciences and Military Health 2017, 12(2): 1-6 |
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Banaei A, Norouzi R, Abedi Firouzjah R, Elahi M. Evaluation and Assessment of Doppler Ultrasonography Results in Comparison with Digital Subtraction Angiography in Diagnosis of Internal Carotid Artery Stenosis. Paramedical Sciences and Military Health 2017; 12 (2) :1-6
URL: http://jps.ajaums.ac.ir/article-1-115-en.html
URL: http://jps.ajaums.ac.ir/article-1-115-en.html
1- Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran. --- Department of Radiology, Faculty of Paramedical Sciences, AJA University of Medical Sciences, Tehran, Iran. , aminabsp@gmail.com
2- Al-e-Taha Higher Educational Institute, Tehran, Iran.
3- Department of Medical physics, Faculty of Medical Sciences, Babol University of Medical Sciences, Babol, Iran
4- Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
2- Al-e-Taha Higher Educational Institute, Tehran, Iran.
3- Department of Medical physics, Faculty of Medical Sciences, Babol University of Medical Sciences, Babol, Iran
4- Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
Abstract: (4571 Views)
Introduction: Digital Subtraction Angiography (DSA) is the standard method for detection of carotid artery stenosis. This technique has high radiation dose. With the progress of imaging techniques, noninvasive or minimally invasive methods like the CT angiography, MR angiography and ultrasonography with Doppler or Duplex mode were applicable. This study aimed to evaluate and assesse the results of Doppler ultrasonography in comparison with the
DSA in diagnosis of internal carotid artery.
Methods and Materials: 20 male patients with internal carotid stenosis > 50% who previously underwent the DSA examination, were examined with the Doppler ultrasonography. Obtained Structural and hemodynamic parameters from Doppler ultrasonography were analyzed regarding to German Society of Ultrasound in medicine and NASCET recommendations. The degrees of carotid stenosis resulted from the Doppler ultrasonography were evaluated and compared with the DSA results.
Results: Doppler and DSA findings did not show significant differences (P<0.05). The mean values of internal carotid artery stenosis were 69.8%, 67.9% and 71.3% for Doppler ultrasonography using German society of US in medicine recommendations, Doppler ultrasonography using NASCET recommendations and DSA results respectively. Sensitivity values of Doppler ultrasonography in comparison with DSA results were 94.5% and 95.2%, and specificity values were 96.7% and 97.1% for German society of US in medicine and NASCET, respectively.
Discussion and Conclusion: The Doppler ultrasonography had high precision, sensitivity and specificity in our study. This method can be used as a noninvasive and easy to use technique in detection and determination of this disease especially in patients who don’t need angioplasty procedures.
DSA in diagnosis of internal carotid artery.
Methods and Materials: 20 male patients with internal carotid stenosis > 50% who previously underwent the DSA examination, were examined with the Doppler ultrasonography. Obtained Structural and hemodynamic parameters from Doppler ultrasonography were analyzed regarding to German Society of Ultrasound in medicine and NASCET recommendations. The degrees of carotid stenosis resulted from the Doppler ultrasonography were evaluated and compared with the DSA results.
Results: Doppler and DSA findings did not show significant differences (P<0.05). The mean values of internal carotid artery stenosis were 69.8%, 67.9% and 71.3% for Doppler ultrasonography using German society of US in medicine recommendations, Doppler ultrasonography using NASCET recommendations and DSA results respectively. Sensitivity values of Doppler ultrasonography in comparison with DSA results were 94.5% and 95.2%, and specificity values were 96.7% and 97.1% for German society of US in medicine and NASCET, respectively.
Discussion and Conclusion: The Doppler ultrasonography had high precision, sensitivity and specificity in our study. This method can be used as a noninvasive and easy to use technique in detection and determination of this disease especially in patients who don’t need angioplasty procedures.
Type of Study: Research |
Subject:
full articles
Received: 2017/04/29 | Accepted: 2017/08/12 | Published: 2017/09/21
Received: 2017/04/29 | Accepted: 2017/08/12 | Published: 2017/09/21
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