ライフサイエンスコーパス: MDCT

1 MDCT angiography is a highly informative method to study

2 MDCT angiography of the coronaries is a good and rapid m

3 MDCT data sets were evaluated for the presence and volum

4 MDCT data were integrated with high-density 3-dimensiona

5 MDCT enterography (MDCTE) is a non-invasive, simple to p

6 MDCT images were analyzed to define infarct size/extent

7 MDCT infarct volume compared well with triphenyltetrazol

8 MDCT of the abdomen was done which revealed atrophic pan

9 MDCT offers the additive value of a very short image acq

10 MDCT parameters were 120 kV, 120 mA/s, collimation 12x0.

11 MDCT protocols integrating CTA and stress-rest perfusion

12 MDCT proved to be an important modality for decision-mak

13 MDCT scans were evaluated for hypoattenuated leaflet thi

14 MDCT stress-rest perfusion methods were recently describ

15 MDCT substantially underestimated plaque volume per segm

16 MDCT verified THV thrombosis in 28 of 405 (7%) patients.

17 MDCT was able to determine the cause of obstruction with

18 MDCT was performed in 140 patients within 1 to 3 months

19 MDCT was positive for sarcoidosis in 6 additional patien

20 MDCT with good reformatting techniques has excellent acc

21 MDCT with reformatting techniques was very accurate in p

22 MDCT yielded a slightly larger lumen area, anteroposteri

23 MDCT-based MTT and PBF measurements demonstrate globally

24 MDCT-based sizing produced the same valve size for n=34

25 MDCT-derived 3-dimensional aortic annular measurements a

26 MDCT-derived regions of microvascular obstruction were a

27 MDCT-IP may provide the best diagnostic accuracy for fun

28 sis could be achieved in 37 patients with 39 MDCT masses (22 thrombus and 17 pannus).

29 lysis from routine CT chest examinations (64 MDCT TK LIGHT SPEED GE Medical System) performed in 202

30 ra) during routine chest CT examinations (64 MDCT TK LIGHT SPEED GE Medical System) performed using t

31 viduals with normal PFT results and abnormal MDCT findings.

32 angiography was performed 1 to 14 days after MDCT.

33 ients who underwent TAVR with the algorithm (MDCT group) were compared with consecutive patients with

34 The implementation of an MDCT annulus area sizing algorithm for TAVR reduces PAR.

35 pandable THV size selection were based on an MDCT sizing algorithm with an optimal goal of modest ann

36 as a significant correlation between 3DA and MDCT for prediction of perpendicular valve projections (

37 Conventional angiographic and MDCT studies were analyzed by independent core laborator

38 f quantitative Doppler echocardiographic and MDCT assessment of AS shows that measuring AVC load prov

39 llow-up transesophageal echocardiography and MDCT.

40 threshold algorithms were applied to MRI and MDCT datasets reconstructed at various slice thicknesses

41 invasive examinations such as angio-MRI and MDCT, or invasive examinations such as DSA and IVUS.

42 With serially obtained MRI and MDCT, we demonstrate in vivo reappearance of myocardial

43 dimensional angiographic reconstructions and MDCT are safe, practical, and accurate imaging modalitie

44 The difference between THV size and MDCT annular size was predictive of PAR (mean diameter:

45 een transcatheter heart valve (THV) size and MDCT measures of annular size (mean diameter, area, and

46 Three-dimensional TEE and MDCT cross-sectional perimeter and area measurements wer

47 Adenosine-augmented MDCT myocardial perfusion imaging provides semiquantitat

48 er operating characteristic analysis between MDCT and 3D-TEE perimeter and area cover indexes were no

49 There was a good correlation between MDCT and QCA percent stenosis (r = 0.75, p < 0.01, SEE =

50 Both MDCT and MRI were performed on the same day approximatel

51 paravalvular regurgitation was good for both MDCT (area under the curve for perimeter and area cover

52 erosclerotic lesions in patients with ACS by MDCT.

53 ntified by QCA, 754 (95%) were analyzable by MDCT.

54 Thus, measurement of AVC by MDCT should be considered for not only diagnostic but al

55 O), and myocardial mass values calculated by MDCT, MRI, and 2DE were compared with each other.

56 Periprosthetic masses were detected by MDCT in 46 patients, and their attenuation values were m

57 us urethra and the scrotum was discovered by MDCT.

58 ive assessment of coronary artery disease by MDCT has good performance characteristics for ruling out

59 onal myocardial wall thinning (WT) imaged by MDCT and arrhythmogenic substrate in postinfarction vent

60 lerotic rabbits underwent in vivo imaging by MDCT and 1.5-T MRI.

61 Myocardial perfusion imaging by MDCT may have significant implications in the diagnosis

62 Acute and chronic infarcts by MDCT were characterized by hyperenhancement, whereas reg

63 The AVC-load by MDCT, strongly associated with AS severity, allows diagn

64 sel areas and Remodeling Indices measured by MDCT correlated closely to IVUS (r(2) = 0.77 and r(2) =

65 pler echocardiography and AVC measurement by MDCT.

66 the clinical yield of AVC quantification by MDCT to diagnose and manage these complex patients.

67 cipients with elevated resting heart rate by MDCT is feasible using multicycle reconstruction.

68 e performed easily and reliably with cardiac MDCT used for coronary artery evaluation and it also giv

69 14.9 years who had been scanned with cardiac MDCT were evaluated with cardiac MRI and 2DE.

70 On chest MDCT, the SVC was noted on the left side.

71 omatic aortic stenosis who had both contrast MDCT and 3D-TEE for annulus assessment before balloon-ex

72 Coronary MDCT angiography was performed in eight pediatric heart

73 To correlate MDCT findings with histopathology/surgical findings/Endo

74 tween (18)F-FDG PET/CT and multidetector CT (MDCT) findings, to compare (18)F-FDG PET/CT results with

75 since the introduction of multidetector CT (MDCT) scanners.

76 Advances in multidetector CT (MDCT) technology with submillimeter slice collimation an

77 ced CT ((18)F-FDG PET/CT), multidetector CT (MDCT), and MR imaging in differentiating malignant from

78 Multidetector CT (MDCT), together with reformatted images, can provide val

79 st the hypothesis, via multidetector row CT (MDCT) perfusion imaging, that smokers showing early sign

80 arenchyma at triphasic Multidetector-row CT (MDCT).

81 r contrast-enhanced multidetector spiral CT (MDCT) permits assessment of remodeling in coronary ather

82 rwent a protocol including (18)F-FDG PET/CT, MDCT, and MR imaging combined with MR cholangiopancreato

83 A DE-MDCT provides a more detailed assessment of the PIZ in c

84 The PIZ volume/mass by DE-MDCT increased with decreasing slice thickness because o

85 The DE-MDCT and -MRI were able to detect a PIZ in all animals,

86 The DE-MDCT reconstructed at 8-mm slice thickness showed excell

87 ns were performed on two 128 multi-detector (MDCT) CT scanners: - iCT (Philips Healthcare with iDose(

88 Following a low-dose MDCT scan to evaluate coronary artery calcium, 187 patie

89 ificant coronary stenoses, contrast-enhanced MDCT (0.75-mm collimation, 420-ms rotation) and intravas

90 d with a LAD stenosis, and contrast-enhanced MDCT imaging was performed 5 min into adenosine infusion

91 Electrocardiogram-gated contrast-enhanced MDCT scans (16 x 0.75-mm detectors, 420 ms rotation, 100

92 quantified accurately with contrast-enhanced MDCT.

93 of less than 600 underwent contrast-enhanced MDCT.

94 short diameter/long diameter) and expansion (MDCT measured THV area/nominal THV area).

95 atherosclerotic plaques were 89% and 77% for MDCT and 97% and 94% for MRI.

96 )F-FDG PET/CT, compared with 77% and 87% for MDCT (P < 0.05) and MR imaging, respectively.

97 .6 degrees for 3DA and 7.9+/-4.9 degrees for MDCT (P=0.01).

98 nical grounds may not have been referred for MDCT for evaluation of suspected appendicitis.

99 The angles from 3DA, from MDCT, the implant angle, and the postdeployment perpendi

100 analysis of 3-mm axial reconstructions from MDCT and the carefully matched MRI images (182 sections)

101 Dynamic ECG-gated MDCT perfusion scans with a central bolus injection of c

102 ECG-gated MDCT seems to be currently a method of choice for pre-ab

103 during first-pass, contrast-enhanced helical MDCT.

104 Integration of CTP and CTA improves MDCT performance for the detection of relevant CAD in in

105 Recent advancements in MDCT allow for noninvasive assessment of the coronary ve

106 Four-level MDCT data demonstrated an overall sensitivity of 59% and

107 rast-enhanced (Visipaque, 150 mL, 325 mg/mL) MDCT (0.5 mm x 32 slice) was performed before occlusion

108 Noninvasive MDCT angiography is promising but requires further techn

109 We assessed the diagnostic accuracy of MDCT in a segment-based and a patient-based model and de

110 The diagnostic accuracy of MDCT-IP (AUC = 0.91) was superior to TAG320 + CTA or CTP

111 To identify the advantages of MDCT with respect to other imaging modalities.

112 With the advent of MDCT and MRI, accurate preoperative diagnosis of this co

113 On the basis of MDCT measurements, 41% of valves implanted were undersiz

114 We compared the capabilities of MDCT and MRI for the assessment of noncalcified, atheros

115 The integration of MDCT WT with 3-dimensional electroanatomic maps can help

116 In a patient-based model, the NPV of MDCT for significant CAD was limited to 75%.

117 test assessment of diagnostic performance of MDCT for acute appendicitis, according to the reference

118 The results indicate the potential of MDCT to detect coronary atherosclerotic plaque in patien

119 Objective; To find out the role of MDCT in the evaluation of obstructive jaundice with resp

120 g 3D-TEE images closely approximate those of MDCT.

121 The use of MDCT in AS patients may be beneficial for the evaluation

122 lant recipients might be mitigated by use of MDCT.

123 To assess the diagnostic value of MDCT coronary angiography for evaluation of acute chest

124 We sought to determine the value of MDCT for the diagnosis of THV thrombosis and the frequen

125 d positive and negative predictive values of MDCT compared with QCA for the detection of segments wit

126 d negative and positive predictive values of MDCT were 98.5% (95% CI, 97.3% to 99.2%) (665 of 675 pat

127 On MDCT, CF explanted lungs showed an increased median (int

128 dings of coronary artery disease detected on MDCT coronary angiography that were not mirrored by conv

129 Of the 1629 segments, 71% were evaluable on MDCT.

130 d in 26 cases with true-negative findings on MDCT.

131 anges of the visualized coronary segments on MDCT images were compared with catheter angiographic fin

132 In 48 coronary segments visualized on MDCT images, 33, 7, and 4 segments each had normal, lumi

133 ts of myocardial perfusion during first-pass MDCT imaging in a canine model of LAD stenosis.

134 In a subset of 13 patients, MDCT measurements were verified by IVUS.

135 In 50 patients, MDCT was repeated after TAVR to assess THV eccentricity

136 r the detection of segments with any plaque, MDCT had a sensitivity of 82% (41 of 50) and specificity

137 preimplant 3DA and 68% underwent preimplant MDCT.

138 Preoperative MDCT measurements differ substantially from direct intra

139 Preoperative MDCT measurements of the aortic annulus served as basis

140 r TAVR in 4 centers underwent pre-procedural MDCT.

141 tor computed tomography-integrated protocol [MDCT-IP]) assessment in predicting significant fractiona

142 y angiography, 44 patients with high-quality MDCT data sets showing atherosclerotic plaque in a proxi

143 With sufficient image quality, MDCT permits noninvasive visualization of the coronary a

144 ture, combined with existing high-resolution MDCT coronary angiography, may have important implicatio

145 tivity and negative predictive value, 16-row MDCT may be useful in excluding coronary disease in sele

146 TAG320 were assessed using 320-detector row MDCT.

147 or stable angina underwent coronary 16-slice MDCT and invasive selective angiography.

148 sitive stress test result underwent 16-slice MDCT and selective coronary angiography for the detectio

149 For all coronary segments included, 16-slice MDCT has moderate diagnostic value for the detection of

150 (Siemens, 1.5 T) and CCT (Toshiba, 16-slice MDCT) images were obtained on the same day without beta-

151 Contrast-enhanced 64-slice MDCT coronary angiography was performed immediately befo

152 Sixty-four slice MDCT is helpful in identifying masses amenable to thromb

153 Subsequently, MDCT was performed before any treatment was started.

154 Post-TAVI MDCT identified THV thrombosis in 5 patients (4%).

155 Post-TAVI MDCT is a valuable tool for the diagnosis of THV thrombo

156 The results of this study indicate that MDCT coronary angiography performed with 16-row scanners

157 ddition, several studies have indicated that MDCT also can detect calcified and noncalcified coronary

158 The MDCT correctly identified 15 of the 16 (94%) transplant

159 lations for EF values were found between the MDCT and CMR tools (r=0.702 p<0.001), and between the MR

160 The correlation coefficient between the MDCT and CMR tools is close to the correlation coefficie

161 and CMR tools) and the results from both the MDCT and the 2DE with the CMR tools results.

162 tients underwent TAVR (SAPIEN XT THV) in the MDCT group and 133 consecutive patients were in the cont

163 On a patient-based model, the MDCT-IP had a sensitivity, specificity, positive and neg

164 Accuracy of the MDCT data was confirmed by correlation with echocardiogr

165 endpoint occurred in 3.8% (5 of 133) of the MDCT group and in 11.3% (15 of 133) of the control group

166 ld PAR was present in 5.3% (7 of 133) of the MDCT group and in 12.8% (17 of 133) in the control group

167 al specimens, to confirm the findings of the MDCT imaging, and the size of cardiomyocytes was measure

168 An expert panel, blinded to the MDCT data, determined the presence or absence of ACS on

169 102) of THVs were undersized relative to the MDCT mean diameter and area, respectively.

170 However, only a few studies compared these MDCT-IP with other clinically validated perfusion techni

171 in cerebral blood vessels diagnosed through MDCT angiography and the level of total cardiovascular r

172 All providers were blinded to MDCT results.

173 replacement valves were smaller relative to MDCT-based sizing in 41% of patients, and the potential

174 of multi-detector row computed tomographic (MDCT) imaging for evaluating coronary arteries in pediat

175 mate multidetector row computed tomographic (MDCT) measurements for the assessment of aortic annulus

176 hase multidetector computerized tomographic (MDCT) imaging.

177 o analyze multidetector computed tomography (MDCT) 3-dimensional aortic annular dimensions for the pr

178 -enhanced multidetector computed tomography (MDCT) after TAVR.

179 tion with Multidetector Computed tomography (MDCT) and Magnetic Resonance Imaging (MRI) demonstrated

180 Multidetector computed tomography (MDCT) and micro-CT were applied to 11 air-inflated CF ex

181 tion of a multidetector computed tomography (MDCT) annular area sizing algorithm on transcatheter aor

182 mpare the multidetector computed tomography (MDCT) arthrography (CTa) and magnetic resonance (MR) art

183 -enhanced multidetector computed tomography (MDCT) can depict myocardial wall thickness with submilli

184 enhanced multi-detector computed tomography (MDCT) examination of the abdomen.

185 the chest multidetector computed tomography (MDCT) findings of 41 patients with ankylosing spondyliti

186 -enhanced multidetector computed tomography (MDCT) for quantifying myocardial necrosis, microvascular

187 value of multidetector computed tomography (MDCT) for the diagnosis of THV thrombosis.

188 nt years, multidetector computed tomography (MDCT) has also gained importance in diagnosing gastroint

189 Multidetector computed tomography (MDCT) has been proposed as a noninvasive method to evalu

190 MRI) and multi-detector computed tomography (MDCT) imaging in MSC-treated pigs (n = 10) and control s

191 d whether multidetector computed tomography (MDCT) improves the ability to define peri-infarct zone (

192 64-slice multidetector computed tomography (MDCT) in distinguishing between pannus and thrombus, the

193 ance of a multidetector computed tomography (MDCT) integrated protocol (IP) including coronary angiog

194 Multidetector row computed tomography (MDCT) is increasingly taking a central role in identifyi

195 e whether multidetector computed tomography (MDCT) may be able to detect occlusive coronary disease i

196 coronary multidetector computed tomography (MDCT) may improve early and accurate triage of patients

197 raphy and multidetector computed tomography (MDCT) measuring aortic valve calcification (AVC) load, t

198 abdominal multidetector computed tomography (MDCT) revealed a tubular foreign body density, compatibl

199 from multi-detector row computed tomography (MDCT) studies with two-dimensional echocardiography (2DE

200 of multidetector spiral computed tomography (MDCT) to detect atherosclerotic plaque in nonstenotic co

201 7) using multidetector computed tomography (MDCT) to determine the percentage of visible airways obs

202 curacy of multidetector computed tomography (MDCT) to measure differences in regional myocardial perf

203 lice, multidetector-row computed tomography (MDCT) was recently introduced into the field of cardiac

204 ound and multi-detector computed tomography (MDCT) we can further evaluate undiagnosed cases of silen

205 underwent multidetector computed tomography (MDCT) within the same episode of care.

206 lti-row detector spiral computed tomography (MDCT), and electron beam tomography (EBT).

207 including multidetector computed tomography (MDCT), have been proposed for prediction of the optimal

208 rances in multidetector computed tomography (MDCT), the most frequently used radiological imaging met

209 ations of multidetector computed tomography (MDCT)-based noninvasive detection of significant obstruc

210 ng chest multi-detector computed tomography (MDCT).

211 esions by multidetector computed tomography (MDCT).

212 g multidetector helical computed tomography (MDCT).

213 Triphasic MDCT scans of 38 consecutive patients who underwent surg

214 vity for detection of small PDA at triphasic MDCT.

215 nsecutive postinfarction patients undergoing MDCT before ablation.

216 Irvine, California) THV, 405 (88%) underwent MDCT in addition to transthoracic and transesophageal ec

217 They also underwent MDCT and measurement of serum ACE level.

218 total of 109 consecutive patients underwent MDCT pre-TAVR with a balloon expandable aortic valve.

219 rmediate/high pre-test probability underwent MDCT, CMR and invasive coronary angiography.

220 Out of 102 patients in whom MDCT (16-slice scanner, intravenous contrast, 0.75-mm co

221 Furthermore, when compared with MDCT and MR imaging, respectively, (18)F-FDG PET/CT alte

222 ensitivity and 65% specificity compared with MDCT-IP, which showed 88% sensitivity and 83% specificit

223 endocardial rim of tissue, demonstrated with MDCT, was assessed for regional contraction with MRI tag

224 al review shares our initial experience with MDCT fistulography in evaluating fistula-in-ano, demonst

225 ptimal deployment angle and compared it with MDCT.

226 use of commercially available software with MDCT measurements and assesses their ability to predict

227 The number of airways visible with MDCT was not different between rejected and control lung