ライフサイエンスコーパス: venography

1 ilable, and more acceptable to patients than venography.

2 patients underwent bilateral upper-extremity venography.

3 entified as tip embedded by using rotational venography.

4 ts and HC subjects were detected by using MR venography.

5 aily (n = 105) for at least 10 days or until venography.

6 veins occurred in one (3%) patient at 3D MR venography.

7 detected in 148 (9%) patients at indirect CT venography.

8 om 4 days to 15 years underwent 2D and 3D MR venography.

9 VT was present in 33 patients at indirect CT venography.

10 ents, 3D MR venography was superior to 2D MR venography.

11 chniques of needle placement, and utility of venography.

12 eater reduction in thrombus size assessed by venography.

13 udies with ultrasonography (US) or ascending venography.

14 onal cases, DVT was seen at only indirect CT venography.

15 in all 15, DVT also was seen at indirect CT venography.

16 e third patient was diagnosed with pulmonary venography.

17 16 patients who underwent US and indirect CT venography, 15 had DVT at US, and in all 15, DVT also wa

18 As compared with 3D MR venography, 2D MR venography failed to reveal sigmoid si

19 tigraphy (84.7% and 75.8%, respectively) and venography (71.7% and 80.7%, respectively) are comparabl

20 ous segments with corresponding conventional venography, 73 were stenotic or occluded.

21 Fast-spin-echo MR venography allowed evaluation of slow-flow systems such

22 CT venography also defines pelvic or abdominal thrombus, wh

23 MR venography also was predictive of unsuccessful hemodialy

24 nts included those with >=50% obstruction on venography and Clinical, Etiology, Anatomic, Pathophysio

25 and that shunt status should be assessed by venography and direct portal pressure measurements until

26 ngs suggestive of IIH by computed tomography venography and magnetic resonance venography in females

27 Shunts were occluded or severely stenotic at venography and necropsy in the remaining six animals.

28 after the procedure, after follow-up splenic venography and necropsy were performed.

29 Combined CT venography and pulmonary angiography can accurately depi

30 The TIPS venography and serial ultrasound/MRI were used subsequen

31 dentified by bipolar voltage <1.5 mV), using venography and signal recording with a 2F octapolar cath

32 ally diagnosed by Doppler ultrasonography or venography and treated with anticoagulation therapy for

33 ersies surround the technique of indirect CT venography, and difficult topics such as this are ideall

34 t CT, lower extremity Doppler ultrasound and venography, and repeat lung scans.

35 flushing, catheter insertion, pulmonary vein venography, and sheath exchange) and 333 radiofrequency

36 MR pulmonary angiography and MR venography are second-line diagnostic tools because of t

37 ivity and specificity results obtained using venography as a gold standard are compared to those obta

38 ained from the estimates based on the use of venography as a gold standard for both high and low dise

39 at it may not be appropriate to use contrast venography as a gold standard in the assessment of new d

40 requests indirect computed tomographic (CT) venography as part of a work-up of a patient with a high

41 -Resonance-Venography or Computed-Tomography-Venography as well.

42 ts who had undergone magnetic resonance (MR) venography at the time of the study included quantitativ

43 auma and were examined with multidetector CT venography because they were considered to be at high ri

44 rwent gadolinium-enhanced magnetic resonance venography before and during hypoxic challenge (fraction

45 underwent brain MRI and contrast-enhanced MR venography before measurement of LOP between 2010-2014 w

46 Patients underwent bilateral leg venography between 7 and 11 days postsurgery.

47 ent combined CT pulmonary angiography and CT venography between May 2005 and March 2006 were reviewed

48 Venous anomalies suggested at 2D MR venography but not present at 3D MR venography included

49 Performance of indirect CT venography by using contiguous section intervals, with a

50 ombined pulmonary CT angiography-indirect CT venography can depict these cases with accuracy comparab

51 pulmonary angiography and magnetic resonance venography combined have a higher sensitivity than magne

52 Follow-up included venography, cross-sectional imaging, and laboratory test

53 One-month TIPS venography demonstrated complete resolution of MPV throm

54 Ferumoxytol-enhanced MR venography demonstrated excellent sensitivity and specif

55 uplex ultrasonography and magnetic resonance venography demonstrated thrombus formation in the left i

56 Multidetector CT venography depicted thrombosis of 98 dural sinuses or ju

57 n in areas not optimally visualized by DS or venography, distinguishes STP from DVT, and leads to sig

58 n thrombosis detected by mandatory bilateral venography, documented symptomatic deep-vein thrombosis,

59 Three patients underwent CT venography during CT angiography.

60 ad undergone CT pulmonary angiography and CT venography during the two preceding years, current and p

61 assess recanalisation, patients underwent MR venography every 3 months until partial or complete reca

62 gadolinium (Gd)-enhanced magnetic resonance venography exam, and the vein segments were harvested.

63 As compared with 3D MR venography, 2D MR venography failed to reveal sigmoid sinus stenosis in on

64 pulmonary angiography and magnetic resonance venography for diagnosing pulmonary embolism has not bee

65 adequate magnetic resonance angiography and venography had a sensitivity of 92% and a specificity of

66 om sonographic correlation was available, CT venography had a sensitivity of 97% and a specificity of

67 cluding Doppler ultrasonography, followed by venography if indicated.

68 MR venography images were evaluated by three radiologists f

69 cranial contrast-enhanced magnetic resonance venography in 18 consecutive volunteers (10 men, eight w

70 DVT was found at indirect CT venography in 45 (8%), and pulmonary embolism was found

71 tomography venography and magnetic resonance venography in females >= 18 years-old with chronic heada

72 dural thrombosis was overestimated at 2D MR venography in one patient.

73 ased on cranial MRI and contrast-enhanced MR venography in patients with idiopathic intracranial hype

74 nal MR venography is often superior to 2D MR venography in the delineation of major cerebral venous s

75 Scintigraphy is compared to contrast venography in two populations of patients with different

76 fast-spin-echo sequence was optimized for MR venography in volunteer and phantom studies.

77 at 2D MR venography but not present at 3D MR venography included flow gaps in the nondominant transve

78 Three-dimensional MR venography is often superior to 2D MR venography in the

79 CT venography may be limited to the lower extremities, thus

80 e initial results, 3D gadolinium-enhanced MR venography may facilitate comprehensive evaluation of ab

81 cross all age groups with magnetic resonance venography (MRV) diagnosis of CVST and 82 gender-matched

82 th findings (in 12 patients) at conventional venography (n = 3), attempted central venous catheter pl

83 symptomatic detected by mandatory, bilateral venography), non-fatal pulmonary embolism, and all-cause

84 oid the risks and costs of invasive catheter venography, noninvasive PSPG evaluation strategies are n

85 f vascular signal seen with the use of 2D MR venography occurred in nondominant transverse sinuses.

86 Separate effective radiation doses for CT venography of pelvis and lower extremities were calculat

87 Additionally, CT venography of the brain was performed (Fig 5).

88 Additionally, CT venography of the brain was performed.

89 le; age range, 16-67 years) who underwent MR venography of the central veins.

90 enous thromboembolism, detected by mandatory venography of the leg involved in the operation or objec

91 In addition, CT venography of the pelvis and lower extremities is often

92 CT venography of the pelvis during CT pulmonary angiography

93 underwent dedicated ferumoxytol-enhanced MR venography of the thoracic central veins and conventiona

94 ccipital tumor to preform Magnetic-Resonance-Venography or Computed-Tomography-Venography as well.

95 d apixaban were continued through the day of venography or day 12, whichever was earlier.

96 o evidence of narrowing was seen with repeat venography or follow-up computed tomography scan.

97 mboembolism (assessed by mandatory bilateral venography or report of symptomatic events).

98 tifacts at MR arteriography (P < .001) or MR venography (P = .002).

99 operatively (assessed by mandatory bilateral venography performed 10 to 13 days after surgery or conf

100 MR venography readers demonstrated moderate agreement in th

101 Contrast venography remains the gold standard for the diagnosis o

102 Two-dimensional MR venography results failed to reveal a persistent falcine

103 nus thrombosis in two patients in whom 3D MR venography results were normal.

104 The venography revealed occlusion of the right brachiocephal

105 MR venography should be performed in patients with suspecte

106 nd points were asymptomatic DVT on mandatory venography; symptomatic DVT confirmed by ultrasonography

107 ptomatic DVT confirmed by ultrasonography or venography; symptomatic, objectively proven pulmonary em

108 ansesophageal echocardiography and pulmonary venography to confirm defect closure and unobstructed pu

109 Addition of CT venography to CT pulmonary angiography increased the det

110 The addition of indirect CT venography to CT pulmonary angiography incrementally inc

111 Thus, the addition of indirect CT venography to CT pulmonary angiography resulted in a 20%

112 Compared with venography, ultrasonography had a sensitivity of 35% and

113 y with the cardiac venous anatomy, occlusive venography, venoplasty, guide wire tools, guiding cathet

114 cluding computed tomographic angiography and venography, ventilation-perfusion lung scan, venous ultr

115 Effective radiation dose for CT venography was 5.2 mSv +/- 0.5 (standard deviation) for

116 ency of isolated pelvic DVT detected with MR venography was higher than that reported in prior studie

117 CT venography was performed after 3.5 minutes.

118 Shunt venography was performed at 1-month intervals and necrop

119 Shunt venography was performed at 2 weeks, followed by necrops

120 Shunt venography was performed at 5-8 weeks, and necropsy was

121 en June 1990 and July 1995, follow-up portal venography was performed at 6-month intervals and for sy

122 MR venography was performed by using a two-dimensional grad

123 monary angiography, a contiguous indirect CT venography was performed from the iliac crest to the pop

124 Follow-up transhepatic portal venography was performed weekly for 6 weeks or until the

125 Baseline venography was performed.

126 Catheter tips were cultured and venography was repeated at catheter removal.

127 In 19 (51%) of the 37 patients, 3D MR venography was superior to 2D MR venography.

128 patients; in a fourth patient, conventional venography was unsuccessful due to inadequate access.

129 Graft venography was used to confirm occlusion in 62 patients

130 Magnetic resonance venography was used to measure thrombus volume.

131 s detection rates with and without pelvic CT venography were compared by using the chi(2) test.

132 Results of CT venography were compared with those of bilateral lower-e

133 al vein STP in five patients, whereas DS and venography were negative in five and two of these patien

134 s undergoing CT pulmonary angiography and CT venography were recruited.

135 Contrast-enhanced CT and MR venography were the most sensitive imaging modalities.

136 luoroscopy with use of contrast material and venography were used to place catheters and document the

137 well as structural imaging, angiography, and venography, were acquired prospectively on a Siemens Pri

138 with US and confirmed with invasive catheter venography, which can be used to measure the portosystem

139 ascular imaging, including arteriography and venography, will almost certainly assist with the descri

140 erwent 3D gadolinium-enhanced subtraction MR venography with a spoiled gradient-echo sequence before

141 r ultrasonography at 1, 6, and 12 months and venography with manometry at 6-month intervals after the

142 the thoracic central veins and conventional venography within 6 months for detecting central venous

143 V) is difficult, and success is assumed from venography without the support of steroid assays.

144 CT venography yields detailed images of the intracranial ve