Tension of the lower abdominal aorta as influenced by sympathetic stimulation

1970 ◽  
Vol 26 (12) ◽  
pp. 1318-1319 ◽  
Author(s):  
M. Gerová ◽  
J. Gero
Keyword(s):  
Abdominal Aorta ◽  
Sympathetic Stimulation

P108 Relation Between Abdominal Aorta and Carotid Artery Responses to Sympathetic Stimulation using Duplex Ultrasound

2020 ◽  
Vol 25 (Supplement 1) ◽  
pp. S148
Author(s):  
Anne-Jet Jansen ◽  
Jenske Vermeulen ◽  
Suzanne Holewijn ◽  
Dick Thijssen ◽  
Michel Reijnen
Keyword(s):  
Carotid Artery ◽  
Abdominal Aorta ◽  
Duplex Ultrasound ◽  
Sympathetic Stimulation

Coarctation of the abdominal aorta: Demonstration of a rare anomaly using contrast-enhanced MR-angiography

VASA ◽  
2009 ◽  
Vol 38 (1) ◽  
pp. 66-71 ◽  
Author(s):  
Schubert
Keyword(s):  
Abdominal Aorta ◽  
Mr Angiography ◽  
Parallel Imaging ◽  
Left Renal Vein ◽  
Systemic Hypertension ◽  
Contrast Enhanced ◽  
Younger Age ◽  
Maximum Intensity Projections ◽  
Collateral Vessels ◽  
First Time

We describe a case of aortic coarctation at the level of the infrarenal abdominal aorta which is encountered in less than six individuals in one million. In contrast to aortic narrowing above or including the renal arteries, this seems to be a relatively benign anomaly without systemic hypertension or impaired renal function. For the first time in this type of anomaly, contrast-enhanced MR angiography (ce-MRA) on a multi-receiver channel MR system, with an 8-channel phased array coil and parallel imaging was used. Ce-MRA displayed a tortuous, narrowed aortic segment that was found to be associated with mesenteric artery stenosis and compression of the orthotopic left renal vein, also known as the nutcracker phenomenon. All major aortic branches could be depicted using 3D surface-shaded displays and subvolume maximum intensity projections (MIPs). Collateral vessels of the abdominal wall were identified using whole-volume MIPs. Since the majority of aortic malformations are diagnosed at a younger age, and many suffer from renal insufficiency, we conclude that ce-MRA will eventually place conventional DSA as the modality of choice in malformations of the abdominal aorta.

Cyclic Longitudinal and Circumferential Deformation of the Ascending and Abdominal Aorta Measured by 3D Ultrasound Combined with Speckle Tracking

2016 ◽  
Vol 64 (S 01) ◽  
Author(s):  
S. Vogt ◽  
K. Karatolios ◽  
A. Wittek ◽  
C. Fritzen ◽  
C. Blase ◽  
...  
Keyword(s):  
Abdominal Aorta ◽  
Speckle Tracking ◽  
3D Ultrasound

Binding of 131I-Labeled Tissue-Type Plasminogen Activator on De-Endothelialized Lesions in Rabbits

1987 ◽  
Vol 26 (05) ◽  
pp. 224-228 ◽  
Author(s):  
Y. Isaka ◽  
H. Etani ◽  
K. Kimura ◽  
S. Yoneda ◽  
T. Kamada ◽  
...  
Keyword(s):  
Plasminogen Activator ◽  
Abdominal Aorta ◽  
Half Life ◽  
Balloon Catheter ◽  
Biochemical Properties ◽  
Tissue Type ◽  
Fibrin Deposition ◽  
Tissue Type Plasminogen Activator ◽  
High Affinity ◽  
Type Plasminogen Activator

Tissue-type plasminogen activator (t-PA) which has a high affinity for fibrin in the clot, was labeled with 131I by the iodogen method, and its binding to de-endothelialized lesions in the rabbit was measured to assess the detectability of thrombi. The de-endothelialized lesion was induced in the abdominal aorta with a Fogarty 4F balloon catheter. Two hours after the de-endothelialization, 131I-labeled t-PA (125 ± 46 μCi) was injected intravenously. The initial half-life of the agent in blood (n = 12) was 2.9 ± 0.4 min. The degree of binding of 131I-labeled t-PA to the de-endothelialized lesion was evaluated at 15 min (n = 6) or at 30 min (n = 6) after injection of the agent. In spite of the retention of the biochemical properties of 131I-labeled t-PA and the presence of fibrin deposition at the de-endothelialized lesion, the binding of t-PA to the lesion was not sufficiently strong. Lesion-to-control ratios (cpm/g/cpm/g) were 1.65 ± 0.40 (at 15 min) and 1.39 ± 1.31 (at 30 min), and lesion-to-blood ratios were 1.39 ± 0.32 (at 15 min) and 1.36 ± 0.23 (at 30 min). These results suggest that radiolabeled t-PA may be inappropriate as a radiopharmaceutical for the scintigraphic detection of a pre-existing thrombotic lesion.

Angiographic anatomy of major branches of the abdominal aorta

1980 ◽  
Vol 16 (1) ◽  
pp. 135
Author(s):  
KW Kim ◽  
CY Park ◽  
JH Suh
Keyword(s):  
Abdominal Aorta
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