ライフサイエンスコーパス: CT angiography

1 s (59 [74%] at initial and 21 [26%] at later CT angiography).

2 C = 137.4; values were lowest for multiphase CT angiography).

3 ultrasound, the diagnosis was established in CT angiography.

4 had noncontrast CT, of whom 759 had coronary CT angiography.

5 ft coronary plaque as assessed with coronary CT angiography.

6 diagnosis of cerebral circulatory arrest in CT angiography.

7 or calcified plaque; or stenosis on coronary CT angiography.

8 the continued refinement and advancement of CT angiography.

9 of diabetes, 10.4 years) underwent coronary CT angiography.

10 alization status was determined at follow-up CT angiography.

11 tate of the art whole brain perfusion CT and CT angiography.

12 -enhanced single-source dual-energy coronary CT angiography.

13 e compared with expert placement on coronary CT angiography.

14 ronary calcification assessment with cardiac CT angiography.

15 ontrast that was similar to that of standard CT angiography.

16 raphy was rated inferior to that of standard CT angiography.

17 dynamic CT angiography, and nonfiltered tMIP CT angiography.

18 seline and an associated vessel occlusion on CT angiography.

19 st of 3% when compared with nonfiltered tMIP CT angiography.

20 ihood of coronary artery disease or negative CT angiography.

21 ascularization were identified with coronary CT angiography.

22 leaks were identified by using time-resolved CT angiography.

23 nts underwent conventional angiography after CT angiography.

24 rwent (18)F-NaF PET and prospective coronary CT angiography.

25 computed tomography (CT); 755 also underwent CT angiography.

26 uated 60 patients after ischemic stroke with CT angiography.

27 ided by the extracted coronary arteries from CT angiography.

28 was observed for diagnosing carotid webs at CT angiography.

29 tic imaging was performed, including MRI and CT angiography.

30 tandardized multiphase computed tomographic (CT) angiography.

31 tions was evaluated at computed tomographic (CT) angiography.

32 ) imaging and coronary computed tomographic (CT) angiography.

33 From CT angiography, 153 arteries were evaluated by semiautom

34 or carotid CT angiography (-36.4%), coronary CT angiography (-25.1%), and head CT (-23.9%).

35 aranasal sinus (-39.6%), cerebral or carotid CT angiography (-36.4%), coronary CT angiography (-25.1%

36 temporal bone CT (-56.1%), peripheral runoff CT angiography (-48.6%), CT of the paranasal sinus (-39.

37 Of the 3665 patients referred for coronary CT angiography, 591 (16%) had PNs requiring follow-up.

38 icity and accuracy compared with SR coronary CT angiography (91% and 98% vs 46% and 92%, respectively

39 and accuracy in comparison with SR coronary CT angiography (98%, 91%, and 99% vs 95%, 80%, and 95%,

40 urring and partial volume effects of routine CT angiography acquisitions to produce accurate quantifi

41 ve predictive value of 96% for time-resolved CT angiography after abdominal EVAR.

42 Patients underwent coronary CT angiography after single or serial troponin I (TnI) m

43 m focused on the arterial phase, 64-detector CT angiography allowed satisfactory diagnostic and thera

44 Quantitative cardiac CT angiography analysis was performed in all patients (f

45 risk plaque features assessed with coronary CT angiography and biochemical measures.

46 ization) was chosen on the basis of coronary CT angiography and catheterization.

47 led in a prospective study that consisted of CT angiography and CE US studies performed at 1- and 6-m

48 yocardial perfusion study underwent coronary CT angiography and conventional cardiac angiography (her

49 utopsy reports were compared with postmortem CT angiography and CT-guided biopsy findings.

50 ge vessel occlusion who underwent concurrent CT angiography and DW imaging within 9 hours of symptom

51 Use of CT angiography and endovascular treatment in the same ce

52 A total of 239 cross sections obtained with CT angiography and histologic examination were matched.

53 To evaluate the incremental value of cardiac CT angiography and hsTnT for the prediction of cardiovas

54 calcified plaques compared with SR coronary CT angiography and ICA (83% vs 53%, P < .001).

55 tomic assessment provided with both coronary CT angiography and ICA has poor discriminatory power for

56 ex vivo specimens demonstrated that coronary CT angiography and intravascular US are reasonably assoc

57 ssessed coronary arteries with multidetector CT angiography and invasive conventional angiography.

58 intigraphy, transcranial Doppler sonography, CT angiography and MR angiography are used.

59 etter than that of models using single-phase CT angiography and perfusion CT (P < .05 overall).

60 are better than models that use single-phase CT angiography and perfusion CT for a decrease of 50% or

61 acquired in 5 swine (40+/-10 kg) to generate CT angiography and perfusion images.

62 ed on the basis of a combination of coronary CT angiography and SPECT.

63 CT angiography and TAE represent the methods of choice f

64 Findings of CT angiography and the standard of reference were concor

65 s were calculated for patients who underwent CT angiography and three-dimensional rotational angiogra

66 pain, were imaged with postmortem whole-body CT angiography and underwent standardized image-guided b

67 D), and diagnostic accuracy were assessed at CT angiography and were compared with those attained wit

68 cted of having atherosclerosis who underwent CT angiography and were referred for endarterectomy were

69 Cross sections without plaque at coronary CT angiography and with fibrous plaque at OFDI almost ne

70 features from coronary computed tomography (CT) angiography and coronary vascular dysfunction by imp

71 echnique that combines computed tomographic (CT) angiography and dynamic CT perfusion measurement int

72 nt 64-section coronary computed tomographic (CT) angiography and who provided informed consent were p

73 C = 171.7; values were lowest for multiphase CT angiography) and a 90-day mRS score of 0-2 (AIC = 132

74 T angiography, the arterial phase of dynamic CT angiography, and nonfiltered tMIP CT angiography.

75 ween single-phase CT angiography, multiphase CT angiography, and perfusion CT by using receiver opera

76 angiography of the head and neck, multiphase CT angiography, and perfusion CT.

77 iography-derived computational FFR, coronary CT angiography, and quantitative coronary angiography we

78 or to those of standard CT angiography, tMIP CT angiography, and the arterial phase of dynamic CT ang

79 oned: 32 extra pDUS, 14 computed tomography (CT) angiographies, and 2 reoperations.

80 ing comprised baseline CT, CT perfusion, and CT angiography; and CT plus CT angiography at 24-48 h.

81 With AIC and BIC, models that use multiphase CT angiography are better than models that use single-ph

82 d lesions than intravascular US and coronary CT angiography (area under the receiver operating charac

83 Patients randomized to the coronary CT angiography arm of the Rule Out Myocardial Infarction

84 marker of myocardial microinjury and cardiac CT angiography as a marker of the total atherosclerotic

85 s interpreted coronary computed tomographic (CT) angiography as part of the clinical evaluation of st

86 T perfusion, and CT angiography; and CT plus CT angiography at 24-48 h.

87 d-generation high-pitch coronary dual-source CT angiography at 70 kV results in robust image quality

88 giography, and the arterial phase of dynamic CT angiography at a vascular contrast that was similar t

89 er, 46 +/- 3 mm) underwent (18)F-FDG PET and CT angiography at baseline and 9 mo later.

90 cium (CAC) CT and contrast-enhanced coronary CT angiography at baseline and after 13 months of follow

91 putational FFR (AUC, 0.83) than for coronary CT angiography (AUC, 0.64).

92 udy with SR (n = 91) or HR (n = 93) coronary CT angiography before they underwent ICA.

93 t a central core laboratory also interpreted CT angiography blinded to clinical data, site interpreta

94 onclusion Among women who underwent coronary CT angiography, breast shielding had no effect on DNA do

95 oth P<.0001), while mixed plaque at coronary CT angiography, calcified plaque at intravascular US, an

96 Conclusion Multiphase CT angiography can help differentiate among different fo

97 Coronary computed tomography (CT) angiography, cardiac stress magnetic resonance imagi

98 Postmortem CT angiography combined with image-guided biopsy, becaus

99 The study results show that cardiac CT angiography compares favorably with invasive angiogra

100 ates and the Netherlands began with coronary CT angiography, continued with cardiac stress imaging if

101 ined with conventional computed tomographic (CT) angiography could be quantitated at higher levels of

102 of the abdominal aortic aneurysm sack using CT angiography (CTA) after successful treatment using en

103 CT angiography (CTA) and SPECT myocardial perfusion imag

104 who have coronary plaque or stenosis, using CT angiography (CTA) as the reference standard, and (2)

105 or which a RH computed tomography (CT) and a CT angiography (CTA) at arrival were available for revie

106 s-only (SO) imaging is comparable to cardiac CT angiography (CTA) for evaluating patients with acute

107 the patients and radiation doses in coronary CT angiography (CTA) obtained by using high-pitch prospe

108 ting (PCS) by coregistering PET and coronary CT angiography (CTA).

109 ive anterior circulation stroke confirmed on CT angiography (CTA).

110 orithm, computation of the FFR from coronary CT angiography data can be performed locally, at a regul

111 From coronary CT angiography data in 106 patients, FFR was computed at

112 CT angiography demonstrated active bleeding in 14 patien

113 CT angiography demonstrated stenosis of the SVC surround

114 Traditional arteriography failed and CT-angiography demonstrated the site of bleeding in 3 of

115 CT angiography depicted 34 endoleaks in 16 patients (typ

116 The diagnostic accuracy of coronary CT angiography-derived computational FFR for the detecti

117 The diagnostic characteristics of coronary CT angiography-derived computational FFR, coronary CT an

118 ty-two patients with a computed tomographic (CT) angiography diagnosis of PE underwent MR imaging wit

119 group analysis for any occlusion at baseline CT angiography did not demonstrate significant differenc

120 In 8 patients with head-and-neck bleeding CT-angiography did not prove beneficial when compared to

121 Ultra-low contrast intraarterial CT-angiography does not deteriorate the function of tran

122 With use of the delayed enhanced phase of CT angiography, ECV measurement is an accurate indicator

123 CT angiography encompassed the joints proximal and dista

124 AD, from the international CONFIRM (COronary CT Angiography EvaluatioN For Clinical Outcomes: An Inte

125 THODS AND In the long-term CONFIRM (Coronary CT Angiography Evaluation For Clinical Outcomes: An Inte

126 silateral ICA nonattenuation at single-phase CT angiography, even specialized radiologists may not re

127 dose was less than 0.5 mSv for 23 of the 107 CT angiography examinations (21.5%), less than 1 mSv for

128 FFR derived from standard coronary CT angiography (FFRCT) data sets by using any of several

129 otid arteries and the Doppler sonography and CT angiography findings of the left common carotid arter

130 Coronary CT angiography findings were as follows: A total of 196

131 Subsequent care was determined with CT angiography findings: Patients without plaque and pat

132 lly detected in patients undergoing coronary CT angiography for chest pain evaluation is associated w

133 ve and positive predictive values of cardiac CT angiography for detection of CAV with any degree of s

134 radiation dose reduction applied to clinical CT angiography for face transplant planning suggests tha

135 304 consecutive patients undergoing coronary CT angiography for suspected CAD.

136 lumen stenosis of 50% or greater at coronary CT angiography, for which sensitivity was 81.3% (95% CI:

137 heter-based coronary angiography if coronary CT angiography found only moderate CAD or stress imaging

138 This review recounts the evolution of CT angiography from its development and early challenges

139 ts undergoing coronary computed tomographic (CT) angiography from 12 centers, 5262 patients without k

140 Multiphase CT angiography generates time-resolved images of pial ar

141 Use of a CT angiography-guided strategy to investigate patients w

142 At the patient level, cardiac CT angiography had an area under the receiver operating

143 Patients with CT angiography had shorter emergency department to reper

144 Cardiac CT angiography has become an important tool for the diag

145 CT angiography has high diagnostic accuracy in patients

146 CT angiography has recently attracted attention as a pro

147 rdiac catheterization; accordingly, coronary CT angiography has the potential to limit the number of

148 Coronary computed tomographic (CT) angiography has emerged as a noninvasive method for

149 CT and CT angiography - hypoplasia of the right lung with no vi

150 protocol included a calcium scan followed by CT angiography if the Agatston calcium score was between

151 Readers assessed coronary CT angiography images for the presence of coronary plaqu

152 adiology fellows, independently reviewed the CT angiography images to assess whether there was true c

153 ardial coronary artery tree, determined with CT angiography in 120 subjects (89 patients with metabol

154 with noncalcified plaque burden at coronary CT angiography in asymptomatic individuals with low-to-m

155 9 of the 20 cadavers, findings at postmortem CT angiography in combination with CT-guided biopsy vali

156 RESCENT trial (Calcium Imaging and Selective CT Angiography in Comparison to Functional Testing for S

157 tive value, and negative predictive value of CT angiography in depicting active or recent bleeding we

158 d positive and negative predictive values of CT angiography in depicting ongoing or recent hemorrhage

159 producibility, suggesting a role of coronary CT angiography in monitoring coronary artery plaque resp

160 nal studies were found for the assessment of CT angiography in patients with atrial fibrillation (n =

161 ents with atrial fibrillation and to compare CT angiography in patients with atrial fibrillation with

162 to improved diagnostic accuracy of coronary CT angiography in patients with heavily calcified corona

163 e and positive predictive values of coronary CT angiography in the detection of obstructive CAD and t

164 kelihood of CAD, the performance of coronary CT angiography in the differentiation of patients withou

165 eport, we discuss and illustrate the role of CT angiography in the evaluation of acute, active gastro

166 Patients underwent multiphase CT angiography in three automated phases after injection

167 e symptomatic patients referred for coronary CT angiography in whom incidentally detected PNs warrant

168 asculature at coronary computed tomographic (CT) angiography in relationship to cardiovascular risk f

169 Findings identified at CT angiography included active extravasation (ongoing he

170 average, optimized temporal filtering in TI CT angiography increased CNR by 18% and decreased image

171 (CT-LeSc) was developed to quantify coronary CT angiography information about atherosclerotic burden

172 resence of hypodense veins in the monophasic CT angiography ipsilateral to the arterial occlusion.

173 Coronary CT angiography is a cost-effective triage test for 60-ye

174 CT angiography is a fast and effective examination in te

175 CT angiography is a non-invasive modality for diagnosis

176 Multiphase CT angiography is a reliable tool for imaging selection

177 The use of dynamic CT angiography is associated with a significantly increa

178 are presented as contrasting examples of how CT angiography is changing our approach to cardiovascula

179 Interrater reliability for multiphase CT angiography is excellent (n = 30, kappa = 0.81, P < .

180 synthesized from contrast-enhanced coronary CT angiography is feasible and reliable.

181 n correction of gated (18)F-NaF PET/coronary CT angiography is feasible, reduces image noise, and inc

182 The strong prognostic value of cardiac CT angiography is incremental to its known diagnostic va

183 In such cases, immediate CT angiography is useful in establishing diagnosis and i

184 Coronary computed tomographic (CT) angiography is a noninvasive anatomic test for diagn

185 Computed tomographic (CT) angiography is an important tool for the evaluation

186 Computed tomographic (CT) angiography is increasingly used for peri-interventi

187 Intraarterial CT-angiography is useful for detection of the bleeding s

188 greement was excellent for OFDI and coronary CT angiography (kappa=0.87 and 0.85, respectively) and w

189 Using CONDOR, additional CT angiographies may be prevented in 10% of cases.

190 High volume of intravenous contrast in CT-angiography may result in contrast-induced nephropath

191 The diagnostic work-up was complemented by CT angiography, MRI and cerebral angiography.

192 l outcomes was compared between single-phase CT angiography, multiphase CT angiography, and perfusion

193 were seen with HR compared with SR coronary CT angiography of calcified coronary artery lesions, sug

194 The sinograms from 320-detector row CT angiography of four clinical candidates for face tran

195 sible and yield diagnostic image quality for CT angiography of the aorta.

196 derwent baseline unenhanced CT, single-phase CT angiography of the head and neck, multiphase CT angio

197 All patients who underwent CT angiography of the lower extremities integrated with

198 isease referred for 64-section multidetector CT angiography of the lower limb (0.625-mm collimation,

199 diation dose are achievable at multidetector CT angiography of the peripheral arteries without compro

200 tracranial MR angiography and multi-detector CT angiography of the supraaortic arteries.

201 phantom were used to design CM protocols for CT angiography of the thoracoabdominal aorta in 129 cons

202 in patients undergoing computed tomographic (CT) angiography of the aorta.

203 mur), knee, ankle, and computed tomographic (CT) angiography of the lower extremities.

204 hy-gated multidetector computed tomographic (CT) angiography of the thoracic aorta and to evaluate wh

205 e hundred and thirty-four patients underwent CT-angiography of intracranial vessels.

206 stenoses of at least 50% underwent coronary CT angiography (one stenosis in 13 patients, two stenose

207 f 656 subjects, 306 (47%) underwent baseline CT angiography or magnetic resonance angiography.

208 y Opacification and Heart Rhythm in Coronary CT Angiography, or IsoCOR, trial.

209 nced CT calcium scoring followed by coronary CT angiography performed in dual-energy mode.

210 CT angiography performed in the emergency setting in pat

211 They underwent ICA and coronary CT angiography performed with a whole-heart CT scanner.

212 )/computed tomography (CT) and (18)F-FDG PET/CT angiography (PET/CTA) was evaluated in this complex s

213 iffered significantly in between the dynamic CT angiography phases (minimum, seven endoleaks at 2 sec

214 CT angiography protocol changes designed to speed imagin

215 were divided into two groups on the basis of CT angiography protocol differences (patients in group 1

216 Information regarding lesion volumes and CT angiography protocol parameters was collected for eac

217 CT angiography protocols than for the 70-kV CT angiography protocol.

218 no significant differences between the three CT angiography protocols (median score, 5; P > .05).

219 .0001), respectively, for the 80- and 100-kV CT angiography protocols than for the 70-kV CT angiograp

220 At baseline CT angiography, proximal occlusions (n = 220) demonstrat

221 with maximum standardized uptake value, and CT angiography quantified percentage plaque composition

222 Patients with no plaque at cardiac CT angiography remained free of events during the follow

223 Twenty of these subjects underwent coronary CT angiography repeated on a separate day with the same

224 0.0014, and 0.047 for hip, knee, ankle, and CT angiography, respectively, while in the case of the a

225 CT angiography results were analyzed by a third independ

226 CT angiography revealed a defect in contrast filling wit

227 CT angiography revealed a large partially calcified pseu

228 CT angiography revealed a single bronchial artery aneury

229 CT angiography revealed a wide-mouth large aneurysm aris

230 Both laboratory results and CT angiography revealed aortoesophageal fistula, which w

231 Analysis of CT angiography revealed collateralization at 4 weeks wit

232 Dynamic CT angiography revealed that the peak enhancement of end

233 t combined rest-stress (13)N-ammonia PET and CT angiography scans by hybrid PET/CT.

234 Results Baseline and repeat coronary CT angiography scans were acquired within 19 days +/- 6.

235 pre-embolization assessment of bleeding with CT angiography shortens the total diagnostic time, which

236 CT angiography should supplement DSA as preliminary Imag

237 Moreover, HR coronary CT angiography showed a better agreement with ICA for ca

238 HR coronary CT angiography showed a higher image quality score (3.7

239 In a segment-based analysis, HR coronary CT angiography showed a higher specificity, positive pre

240 In a patient-based analysis, HR coronary CT angiography showed higher specificity and accuracy co

241 quantitative stenosis and plaque burden from CT angiography significantly improves identification of

242 In group 2 (n=65), median volume on CT angiography source images was much larger than that o

243 1 (n=35), median hypoattenuation volumes on CT angiography source images were slightly underestimate

244 This overestimation on CT angiography source images would have inappropriately

245 d (>/=20%) overestimation of infarct size on CT angiography source images.

246 ignificant overestimation of infarct size on CT angiography source images.

247 rked (>/=20%) infarct size overestimation on CT angiography source images.

248 dent predictors of hematoma expansion were a CT angiography spot sign, a shorter time to CT, warfarin

249 The signal-to-noise ratio of the coronary CT angiography studies acquired with 70 kV was significa

250 Corresponding to these 160 CT angiography studies, 113 CT follow-up studies (in 52

251 ho underwent EVAR, 160 computed tomographic (CT) angiography studies revealed type II endoleaks.

252 th the percentage dose reduction greater for CT angiography than for chest CT (P < .001).

253 ho underwent thrombectomy with preprocedural CT angiography that helps to demonstrate a lack of atten

254 giography was compared with standard helical CT angiography, the arterial phase of dynamic CT angiogr

255 Results The later the phase of CT angiography, the higher the frequency of the spot sig

256 In pediatric CT and CT angiography, the use of automated kilovoltage selecti

257 ngiograms were superior to those of standard CT angiography, tMIP CT angiography, and the arterial ph

258 nd 30 minutes after in vivo radiation during CT angiography to compare DNA double-strand-break levels

259 The accuracy of quantitative multidetector CT angiography to depict substantial (>/= 50%) stenoses

260 diagnostic accuracy, the use of SPECT/CT and CT angiography to evaluate gastrointestinal bleeding, an

261 acy and reliability of computed tomographic (CT) angiography to distinguish true cervical internal ca

262 image processing, over the next 5-15 years, CT angiography toppled conventional angiography, the und

263 tients who were referred for follow-up chest CT angiography underwent reduced-dose CT (hereafter, T2

264 The effects of enrollment time, CT angiography use, interhospital transfers, and intubat

265 CT angiography usually reveals typical features of CTEPH

266 Differences between coronary CT angiography vendors resulted in lower scan-rescan rep

267 tient analysis of the diagnostic accuracy of CT angiography versus conventional coronary angiography,

268 mpare the diagnostic performance of coronary CT angiography versus that of ICA in each group.

269 No CAD at coronary CT angiography was associated with a low annualized MACE

270 ) and graphical volumetric image processing, CT angiography was born 20 years ago.

271 ven eligible studies (247 patients) in which CT angiography was compared with conventional coronary a

272 The resulting timing-invariant (TI) CT angiography was compared with standard helical CT ang

273 Coronary CT angiography was performed by using a 320-detector row

274 CT angiography was performed by using automated attenuat

275 Coronary CT angiography was performed in 107 consecutive patients

276 Baseline coronary CT angiography was performed in 40 prospectively enrolle

277 Intracranial CT angiography was performed in 73 consecutive patients

278 abnormal SPECT findings, additional coronary CT angiography was performed in 93 patients (91%), showi

279 CT angiography was performed in all patients shortly aft

280 When feasible, additional coronary CT angiography was performed in those with abnormal SPEC

281 age quality of the arterial phase of dynamic CT angiography was rated inferior to that of standard CT

282 ness, and multidetector computed tomography (CT) angiography was used to quantify coronary plaque and

283 METHODS: Between 2010 and 2013 intraarterial CT-angiography was performed in 56 patients, including 2

284 patient-level sensitivity and specificity of CT angiography were 1.00 (95% CI, 0.98 to 1.00) and 0.89

285 circulation on computed tomography (CT) and CT angiography were excluded.

286 core and contrast material-enhanced coronary CT angiography were included.

287 Results from coronary CT angiography were not included, and diagnostic perform

288 n corrected (AC) by CT and same-day coronary CT angiography were studied; included in the 392 patient

289 n corrected (AC) by CT and same-day coronary CT angiography were studied; included in the 392 patient

290 CAC score and cardiac CT angiography were used to derive the presence and exte

291 ntally during coronary computed tomographic (CT) angiography, which is increasingly being used to eva

292 All patients underwent dynamic CT angiography with 10 unidirectional scan phases, follo

293 Time-resolved CT angiography with 12 low-dose phases is feasible for p

294 cification and retrospectively gated cardiac CT angiography with a 64-section scanner.

295 who underwent thoracic CT, abdominal CT, or CT angiography with an automated kilovoltage protocol be

296 c literature search was performed to compare CT angiography with conventional coronary angiography in

297 Conclusion State-of-the-art coronary CT angiography with same-vendor follow-up has good scan-

298 endoleaks were calculated for time-resolved CT angiography, with CE US serving as the reference stan

299 and Analysis of Lausanne registry), who had CT angiography within 6 and 12 hours of symptom onset, w

300 good and was incremental to that of coronary CT angiography within a population with a high prevalenc