Effects of radiation dose reduction in Volume Perfusion CT imaging of acute ischemic stroke

详细信息    查看全文

• 作者：Ahmed E. Othman ; Carolin Brockmann ; Zepa Yang ; Changwon Kim…
• 关键词：Low dose perfusion CT ; Perfusion CT ; Perfusion imaging ; Radiation dose ; Stroke
• 刊名：European Radiology
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：25
• 期：12
• 页码：3415-3422
• 全文大小：3,428 KB
• 参考文献：1.Kloska SP, Nabavi DG, Gaus C et al (2004) Acute stroke assessment with CT: do we need multimodal evaluation? Radiology 233:79鈥?6CrossRef PubMed
  2.Wintermark M, Fischbein NJ, Smith WS, Ko NU, Quist M, Dillon WP (2005) Accuracy of dynamic perfusion CT with deconvolution in detecting acute hemispheric stroke. AJNR Am J Neuroradiol 26:104鈥?12PubMed
  3.Lin K, Do KG, Ong P et al (2009) Perfusion CT improves diagnostic accuracy for hyperacute ischemic stroke in the 3-hour window: study of 100 patients with diffusion MRI confirmation. Cerebrovasc Dis 28:72鈥?9CrossRef PubMed
  4.Mnyusiwalla A, Aviv RI, Symons SP (2009) Radiation dose from multidetector row CT imaging for acute stroke. Neuroradiology 51:635鈥?40CrossRef PubMed
  5.Wintermark M, Lev MH (2010) FDA investigates the safety of brain perfusion CT. AJNR Am J Neuroradiol 31:2鈥?CrossRef PubMed
  6.Wiesmann M, Berg S, Bohner G et al (2008) Dose reduction in dynamic perfusion CT of the brain: effects of the scan frequency on measurements of cerebral blood flow, cerebral blood volume, and mean transit time. Eur Radiol 18:2967鈥?974CrossRef PubMed
  7.Abels B, Klotz E, Tomandl BF, Villablanca JP, Kloska SP, Lell MM (2011) CT perfusion in acute ischemic stroke: a comparison of 2-second and 1-second temporal resolution. AJNR Am J Neuroradiol 32:1632鈥?639CrossRef PubMed
  8.Wintermark M, Maeder P, Verdun FR et al (2000) Using 80 kVp versus 120 kVp in perfusion CT measurement of regional cerebral blood flow. AJNR Am J Neuroradiol 21:1881鈥?884PubMed
  9.Li ZL, Li H, Zhang K et al (2014) Improvement of image quality and radiation dose of CT perfusion of the brain by means of low-tube voltage (70 KV). Eur Radiol 24:1906鈥?913CrossRef PubMed
  10.Niesten JM, van der Schaaf IC, Riordan AJ et al (2014) Radiation dose reduction in cerebral CT perfusion imaging using iterative reconstruction. Eur Radiol 24:484鈥?93CrossRef PubMed
  11.Juluru K, Shih JC, Raj A et al (2013) Effects of increased image noise on image quality and quantitative interpretation in brain CT perfusion. AJNR Am J Neuroradiol 34:1506鈥?512PubMedCentral CrossRef PubMed
  12.Yang DH, Goo HW (2008) Pediatric 16-slice CT protocols: radiation dose and image quality. J Korean Radiol Soc 59:333鈥?47
  13.Won Kim C, Kim JH (2014) Realistic simulation of reduced-dose CT with noise modeling and sinogram synthesis using DICOM CT images. Med Phys 41:011901CrossRef PubMed
  14.Pexman JH, Barber PA, Hill MD et al (2001) Use of the Alberta Stroke Program Early CT Score (ASPECTS) for assessing CT scans in patients with acute stroke. AJNR Am J Neuroradiol 22:1534鈥?542PubMed
  15.Pham M, Johnson A, Bartsch AJ et al (2007) CT perfusion predicts secondary cerebral infarction after aneurysmal subarachnoid hemorrhage. Neurology 69:762鈥?65CrossRef PubMed
  16.Wintermark M, Ko NU, Smith WS, Liu S, Higashida RT, Dillon WP (2006) Vasospasm after subarachnoid hemorrhage: utility of perfusion CT and CT angiography on diagnosis and management. AJNR Am J Neuroradiol 27:26鈥?4PubMed
  17.Dankbaar JW, de Rooij NK, Rijsdijk M et al (2010) Diagnostic threshold values of cerebral perfusion measured with computed tomography for delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage. Stroke 41:1927鈥?932CrossRef PubMed
  18.van der Schaaf I, Wermer MJ, van der Graaf Y, Hoff RG, Rinkel GJ, Velthuis BK (2006) CT after subarachnoid hemorrhage: relation of cerebral perfusion to delayed cerebral ischemia. Neurology 66:1533鈥?538CrossRef PubMed
  19.Sandborg M, Alth茅n JN, Pettersson H, Rossitti S (2012) Patient organ radiation doses during treatment for aneurysmal subarachnoid hemorrhage. Clin Neuroradiol 22:315鈥?25, 1869鈥?439CrossRef PubMed
  
• 作者单位：Ahmed E. Othman (1) (2)
  Carolin Brockmann (1)
  Zepa Yang (3) (4)
  Changwon Kim (3) (4)
  Saif Afat (1)
  Rastislav Pjontek (1)
  Omid Nikobashman (1)
  Marc A. Brockmann (1)
  Jong Hyo Kim (3) (4) (5)
  Martin Wiesmann (1)
  
  1. Department of Diagnostic and Interventional Neuroradiology, RWTH Aachen University, 52074, Aachen, Germany
  2. Department for Diagnostic and Interventional Radiology, Eberhard Karls University Tuebingen, University Hospital Tuebingen, Hoppe-Seyler-Stra脽e 3, 72076, T眉bingen, Germany
  3. Department of Transdisciplinary Studies, Graduate School of Convergence Science and Technology, Seoul National University, Suwon, 433-270, South Korea
  4. Department of Radiology, Seoul National University College of Medicine, Seoul, 110-744, South Korea
  5. Center for Medical-IT Convergence Technology Research, Advanced Institute of Convergence Technology, Suwon, 433-270, South Korea
  
• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Imaging and Radiology
  Diagnostic Radiology
  Interventional Radiology
  Neuroradiology
  Ultrasound
  Internal Medicine
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-1084

文摘

Purpose To examine the influence of radiation dose reduction on image quality and sensitivity of Volume Perfusion CT (VPCT) maps regarding the detection of ischemic brain lesions.