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At least 19 recordsLinked to original sources

Anatomical variants of the celiac artery in the sheep, with special reference to the celiomesenteric arterial trunk.

The course of celiac artery is described on the basis of studies on the carcases of 28 three-year old merino sheep of both sexes (7 males and 21 females). These investigations have shown that there are two main variants of the celiac artery. Of these, 60.7 percent of the sheep dissected exhibited the first, characterized by a separate issue of the celiac artery from the aorta. The second variant, characterized by the issue of the celiac artery from a celiomesenteric arterial trunk common to the celiac and superior mesenteric arteries, was found in 39.3 percent of the specimens. In the material studies, besides the variability in the course of the celiac artery, individual differences were found in the structure and topography of the neurovegetative vascular plexuses.

Animals

Celiac artery obstruction after arteriography.

The first case of celiac artery obstruction due to selective arteriography is reported. Impairment of flow to liver and duodenum was present; but the patient recovered uneventfully with non-operative treatment. Management of this problem centers around observation, liver support, and putting the gut at rest. If non-operative treatment is failing, operation should be done, vascular reconstruction carried out, and the duodenum inspected to ensure its viability.

Angiography

Buerger's disease involving the celiac artery.

A young male with Buerger's disease who had previously required a left leg amputation died in renal failure and sepsis. Postmortem examination revealed an obliterative lesion of the celiac artery, which resulted in hepatic, splenic, and pancreatic infarctions. Celiac artery involvement represents an unusual manifestation of thromboangiitis obliterans.

Adult

Malabsorption and abdominal pain secondary to celiac artery entrapment.

A patient with abdominal pain was found to have severe compression of his celiac artery on abdominal angiography. Preoperative evaluation with base line and provocative xylose absorption studies were compatible with decreased intestinal blood flow. Surgical division of the median arcuate ligament corrected the intraoperatively determined pressure gradient. Postoperative studies at three months demonstrate absence of celiac artery compression on angiography and normal provocative xylose absorption studies. This case lends support to the existence of the median arcuate ligament syndrome.

Abdomen

[Stenosis of the celiac artery as cause of chronic recurrent pancreatitis (author's transl)].

Report on three clinical examples of the interrelation between chronic recurrent pancreatitits and external compression which cause a stenosis of the celiac artery. If clarification of the etiology of recurrent pancreatitis with the usual examinations is impossible, angiography is very important. A causal therapy is only possible by means of surgical treatment of the stenosis.

Adult

Deflation of a Sengstaken tube balloon facilitating catheterization of the celiac artery.

Selective catheterization of the celiac axis may be difficult when the lumen of the artery is compromised. The presence of an inflated compression balloon in the stomach may narrow the artery, presumably by placing tension on the median arcuate ligament of the diaphragm. Deflation of the gastric balloon can facilitate catheterization by relieving the extrinsic pressure on the artery.

Adult

Selective arteriography of the celiac artery in patients with thoracic sarcoidosis.

In this paper on hepatosplenic sarcoidosis the authors confirmed currently accepted concepts and further refined the examination of liver and spleen by selective arteriography of the celiac artery. In addition, they emphasized the frequency of hepatosplenomegaly in sarcoidosis as well as the speckled aspect of the parenchyma of both organs, which appeared dotted with innumerable small lacunae. This appearance was not strictly pathognomonic of sarcoidosis. Cortisone treatment caused reversion to a normal pattern in the patients.

Adult

Gross anatomy of the arterial supply of the stomach of the North American beaver (Castor canadensis).

The arterial pattern of the stomach of the North American beaver is studied by dissection of height specimens. The arrangement of the arteries resembles the typical mammalian pattern, although some variations are described. For example, the celiac artery gives off two large vessels, the cardiac and fundic arteries, which supply the corresponding regions of the stomach. Also, the right gastric artery originates from the gastroduodenal vessel instead of the hepatic artery.

Animals

The value of arteriography before abdominal aneurysmectomy.

We believe preoperative angiography is a safe procedure with current technics. The importance of the lateral aortogram in identifying mesenteric or celiac artery stenosis is emphasized. Sixty per cent of all patients studied showed some abnormal arteriographic finding. Significant abnormalities include (1) associated arteriosclerotic occlusions, (2) multiple aneurysms, and (3) anomalous vessels. As we consider this preoperative data of great importance in the planning of the total operation, we strongly recommend the routine use of aortography as described in evaluating all nonruptured abdominal aortic aneurysms.

Aged

[Radiologic diagnosis of abdominal aortic aneurysm. Value of abdominal radiography, ultrasonic tomography and abdominal aortography].

Radiological diagnosis of arteriosclerotic abdominal aortic aneurysm is discussed. This review is based on the evaluation of 70 abdominal plain films and 58 aortograms. In addition, 11 aneurysms have been examined by ultrasound tomography (grey-scale technique). In 15% of patients referred with suspicion of aneurysm, the diagnosis could not be confirmed radiologically or operatively. The diagnosis of abdominal aortic aneurysm can be established in 80% of patients on the basis of the abdominal plain films. Ultrasonography gives better results as a screening method, since it renders a definite diagnosis possible in about 98% of cases and unnecessary arteriography can thus be avoided. However, preoperative abdominal aortography remains indispensable for demonstration of the exact anatomic details and pathologic changes in the large abdominal and pelvic arteries. The risk involved in this examination are minimal. Suprarenal or combined supra- and infrarenal aneurysm were found in 9% (5 patients), and renal artery stenosis or obstruction in 12% (7 cases). Obstruction or stenosis of the celiac artery and the superior mesenteric artery were present in only 2 patients with suprarenal expansion of the aneurysm. The angiographic-anatomic correlation is excellent, and only very infrequently is it impossible to determine exactly the distal extent of the aneurysm (2 patients).

Aged

Intra-aortic oxygen distribution during veno-arterial bypass (VAB) without oxygenation in circulatory assist.

Right atrium-femoral artery VAB without oxygenation was performed in 7 dogs at 3 different bypass ratios, 15% 30%, and 45%. Respiration and cardiac output were controlled. Precise intra-aortic distributions of PO2 and O2 saturation were determined by means of a PO2 catheter probe and an oxygen analyzer. The following was concluded: 1) The blood pumped from dog heart produced a narrow "mixing zone" in the mid-aorta with the blood pumped from VAB. The area of the "mixing zone" was in the distal half between renal artery and bifurcation at 15% bypass ratio, in the proximal half between renal artery and bifurcation at 30% bypass ratio, and from celiac artery to below renal artery at 45% bypass ratio. It shifted proximally as the bypass ratio increased. 2) In order to supply necessary oxygen to abdominal viscera, it is recommended that the bypass flow should not exceed 30% of the baseline cardiac output.

Animals