The delayed spectral sign in Post-transfer CT imaging: an imaging marker of stroke severity and hemorrhagic risk

Berkhemer OA, Fransen PS, Beumer D et al (2015) A randomized trial of intraarterial treatment for acute ischemic stroke. N Engl J Med 372(1):11–20

PubMed  Google Scholar 

Campbell BC, Mitchell PJ, Kleinig TJ et al (2015) Endovascular therapy for ischemic stroke with perfusion-imaging selection. N Engl J Med 372(11):1009–1018

CAS  PubMed  Google Scholar 

Goyal M, Demchuk AM, Menon BK et al (2015) Randomized assessment of rapid endovascular treatment of ischemic stroke. N Engl J Med 372(11):1019–1030

CAS  PubMed  Google Scholar 

Jovin TG, Chamorro A, Cobo E et al (2015) Thrombectomy within 8 hours after symptom onset in ischemic stroke. N Engl J Med 372(24):2296–2306

CAS  PubMed  Google Scholar 

Saver JL, Goyal M, Bonafe A et al (2015) Stent-retriever thrombectomy after intravenous t-PA vs. t-PA alone in stroke. N Engl J Med 372(24):2285–2295

CAS  PubMed  Google Scholar 

Franco PN, Spasiano CM, Maino C et al (2023) Principles and applications of Dual-Layer spectral CT in Gastrointestinal imaging. Diagnostics (Basel) 13(10)

Bonatti M, Lombardo F, Zamboni GA et al (2018) Iodine extravasation quantification on Dual-Energy CT of the brain performed after mechanical thrombectomy for acute ischemic stroke can predict hemorrhagic complications. AJNR Am J Neuroradiol 39(3):441–447

CAS  PubMed  PubMed Central  Google Scholar 

Chen S, Zhang J, Quan X et al (2022) Diagnostic accuracy of dual-energy computed tomography to differentiate intracerebral hemorrhage from contrast extravasation after endovascular thrombectomy for acute ischemic stroke: systematic review and meta-analysis. Eur Radiol 32(1):432–441

PubMed  Google Scholar 

Gulko E, Ali S, Gomes W et al (2021) Differentiation of hemorrhage from contrast enhancement using dual-layer spectral CT in patients transferred for acute stroke. Clin Imaging 69:75–78

PubMed  Google Scholar 

Hayman LA, Evans RA, Bastion FO et al (1981) Delayed high dose contrast CT: identifying patients at risk of massive hemorrhagic infarction. AJR Am J Roentgenol 136(6):1151–1159

CAS  PubMed  Google Scholar 

Albers GW, Lansberg MG, Kemp S et al (2017) A multicenter randomized controlled trial of endovascular therapy following imaging evaluation for ischemic stroke (DEFUSE 3). Int J Stroke 12(8):896–905

PubMed  PubMed Central  Google Scholar 

Nogueira RG, Jadhav AP, Haussen DC et al (2018) Thrombectomy 6 to 24 hours after stroke with a mismatch between deficit and infarct. N Engl J Med 378(1):11–21

PubMed  Google Scholar 

Dittrich TD, Sporns PB, Kriemler LF et al (2023) Mechanical thrombectomy versus best medical treatment in the late time window in Non-DEFUSE-Non-DAWN patients: A multicenter cohort study. Stroke 54(3):722–730

CAS  PubMed  PubMed Central  Google Scholar 

Copelan AZ, Smith ER, Drocton GT et al (2020) Recent administration of iodinated contrast renders core infarct Estimation inaccurate using RAPID software. AJNR Am J Neuroradiol 41(12):2235–2242

CAS  PubMed  PubMed Central  Google Scholar 

Gulko E, Ali S, Schefflein J et al (2021) Acute stroke imaging in transfer patients who received recent intravenous iodinated contrast at an outside facility: an unrecognized problem that deserves more attention. AJNR Am J Neuroradiol 42(6):E33

CAS  PubMed  PubMed Central  Google Scholar 

Mueller F, Fabritius MP, Stueckelschweiger L et al (2022) CT after interhospital transfer in acute ischemic stroke: imaging findings and impact of prior intravenous contrast administration. Front Neurol 13:1023147

PubMed  PubMed Central  Google Scholar 

Whitney E, Khan YR, Alastra A et al (2020) Contrast extravasation post thrombectomy in patients with acute cerebral stroke: A review and recommendations for future studies. Cureus 12(9):e10616

PubMed  PubMed Central  Google Scholar 

Almqvist H, Holmin S, Mazya MV (2019) Dual energy CT after stroke thrombectomy alters assessment of hemorrhagic complications. Neurology 93(11):e1068–e1075

PubMed  Google Scholar 

Gibney B, Redmond CE, Byrne D et al (2020) A review of the applications of Dual-Energy CT in acute neuroimaging. Can Assoc Radiol J 71(3):253–265

PubMed  Google Scholar 

Gupta R, Phan CM, Leidecker C et al (2010) Evaluation of dual-energy CT for differentiating intracerebral hemorrhage from iodinated contrast material staining. Radiology 257(1):205–211

PubMed  Google Scholar 

Phan CM, Yoo AJ, Hirsch JA et al (2012) Differentiation of hemorrhage from iodinated contrast in different intracranial compartments using dual-energy head CT. AJNR Am J Neuroradiol 33(6):1088–1094

CAS  PubMed  PubMed Central  Google Scholar 

Van Hedent S, Hokamp NG, Laukamp KR et al (2018) Differentiation of hemorrhage from iodine using spectral detector CT: A Phantom study. AJNR Am J Neuroradiol 39(12):2205–2210

PubMed  PubMed Central  Google Scholar 

Ehrengut C, Denecke T, Meyer HJ (2023) Benefits of Dual-Layer spectral CT imaging in staging and preoperative evaluation of pancreatic ductal adenocarcinoma. J Clin Med 12(19)

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(8):1534–1542

CAS  PubMed  PubMed Central  Google Scholar 

Yedavalli V, Sammet S (2017) Contrast extravasation versus hemorrhage after thrombectomy in patients with acute stroke. J Neuroimaging 27(6):570–576

PubMed  PubMed Central  Google Scholar 

van der Molen AJ, Dekkers IA, Geenen RWF et al (2024) Waiting times between examinations with intravascularly administered contrast media: a review of contrast media pharmacokinetics and updated ESUR contrast media safety committee guidelines. Eur Radiol 34(4):2512–2523

PubMed  Google Scholar 

Comments (0)

No login
gif