Search Results
Results 401 - 450 of 1149
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Yi Shuang-Qin - - 2003
To examine the macroscopic structure, blood supply, and innervation of the pancreas in the house musk shrew (Suncus murinus), we performed gross anatomical dissection and whole-mount immunostaining of the autonomic nerve of Suncus pancreases based on neurofilament protein (NFP) immunoreactivity. The adult Suncus pancreas is clearly separated into right and ...
Rakshit R C - - 2003
A 90-year-old man admitted to our hospital for recuperation after heart failure was found to have raised platelet count and a normocytic anemia. He then developed an acute abdomen and died. Post-mortem examination revealed ruptured superior mesenteric artery aneurysm. Reactive thrombocytosis and anemia were probably the only indication of
Sürücü H S - - 2003
The diameter, length and emergence level of the celiac trunk is measured with CT angiography in 104 patients who have no shown abnormality in the abdomen. The celiac trunk emerged at T 12 level in 79.8%, at L 1 level in 14.4% and at T 11 level in 3.8% of ...
Jani P G - - 2003
Superior Mesenteric Artery Syndrome (SMAS) is caused by trapping of the third part of the duodenum between Superior Mesenteric Artery (SMA) and aorta as result of narrowing of the angle between the two vessels due to acute loss of mesenteric fat which is secondary to rapid weight loss. A fifteen ...
Calin George Adrian - - 2003
We present the case of a 72-year-old man with atrial fibrillation who developed an embolic occlusion of the superior mesenteric artery. He was successfully treated with local fibrinolysis using streptokinase associated with angioplasty. Such local treatments without the need of surgery are very rarely reported in the literature because of ...
Shatari T - - 2003
Since the superior mesenteric artery (SMA) mostly originates on the left side of the superior mesenteric vein (SMV), the ileocolic artery (ICA) and the right colic artery (RCA) cross the SMV. Understanding the three-dimensional relation of these vessels is important for dissecting these arteries to their origin. Hence, we conducted ...
Lamprecht Georg - - 2003
A case of spontaneous, non-atherosclerotic dissection of the superior mesenteric artery is described. The patient presented with severe abdominal pain. An initial computed tomography scan did not disclose any pathology, namely the major mesenteric arteries were perfused. The patient's initial symptoms resolved during the first 48 h under conservative treatment. ...
Yilmaz Saim - - 2003
PURPOSE: To present the successful primary stenting of a superior mesenteric artery (SMA) occlusion following failed surgical embolectomy. CASE REPORT: A 65-year-old woman with a history of atrial fibrillation underwent surgical embolectomy of an acute embolic occlusion of the superior mesenteric artery (SMA). The following day, symptom recurrence suggested reocclusion, ...
Gest Thomas R - - 2003
It is commonly held that the caudal mesenteric artery (CaMA, or inferior mesenteric artery in humans) arises in the same manner as the celiac and cranial mesenteric artery (CrMA, or superior mesenteric artery in humans), i.e., from the remodeling of the vitelline system of arteries that surrounds and supports the ...
Kondo Satoshi - - 2003
BACKGROUND/AIMS: Radical distal pancreatectomy with en-bloc resection of the common hepatic, celiac, and left gastric arteries for pancreatic body cancer that involves these arteries does not routinely require arterial reconstruction because the collateral pathways via the pancreatoduodenal arcades from the superior mesenteric artery are recruited immediately. However, accidental injury to ...
Nano M - - 2003
Twenty dissections were carried out, in all of which the splanchnic nerves, celiac plexuses, capital pancreatic plexus and superior mesenteric plexus were identified and traced. The capital pancreatic plexus was formed from two bundles, the first taking its origin from the right celiac plexus, the second from the superior mesenteric ...
Modrall J Gregory - - 2003
Gangrenous bowel, intraabdominal sepsis, and previous failed mesenteric bypass are indications for use of an autogenous conduit for mesenteric arterial reconstruction. Saphenous vein (SV) is often used as the autogenous conduit of choice, but it may be prone to graft stenosis or occlusion. Recent experience with superficial femoral vein (SFV) ...
Kimura Masahiro - - 2003
BACKGROUND: Although it is less frequently encountered, mesenteric vein occlusion poses as important a problem as mesenteric artery occlusion. The energy metabolism of intestinal tissue during venous occlusion and reperfusion was studied. METHODS: Male Wistar rats were studied in four groups of 17 animals each. Intestinal ischemia was induced by ...
Behrendt Gabriele C - - 2003
We report the case of a 52-year-old woman dying from a noninflammatory, occlusive vasculopathy. Histology showed marked intimal hyperplasia of small arteries of the intestines and myocardium with subsequent infarction of myocardium, large intestine and gallbladder. A comprehensive work up including laboratory studies, clinical investigations and postmortem failed to assign ...
Maisonnette F - - 2003
BackgroundColonic necrosis after acute pancreatitis is rare. When it does occur, it is commonly due to ischaemia or inflammation and may necessitate early colonic resection.Case outlineA 72-year-old man developed colonic necrosis 6 weeks after severe acute pancreatitis. CT scan revealed a bulky mass near the left colon. Barium enema and ...
Ogihara Soichiro - - 2003
A 57-year-old woman with hypertension, mixed mitral valve disease, and atrial fibrillation was admitted to our hospital because of abdominal pain continuing for several hours. On the following day, colonoscopy was performed, and diffuse yellow-white pseudomembranous changes were seen in the right hemicolon, but there were no abnormal findings in ...
Saeed Muhammad - - 2003
The origins and distribution of arteries of the celiac-mesenteric system were examined by dissection of 52 formalin-fixed human cadavers. Seventy-five percent of the cadavers exhibited the classic Michels' Type I hepatolienogastric pattern; 25% had different branching patterns. Multiple anomalies of the celiac-mesenteric arterial system were observed in one Caucasian female ...
Yamabuki Takumi - - 2003
A 75-year-old woman presented with a pulsatile, movable mass, about 5 cm in diameter, in her lower abdomen. Abdominal ultrasonography revealed a circular mass with a variable hypo- and isoechoic border and a hypoechoic center. Color Doppler echography showed blood flow in the hypoechoic center, which was strongly enhanced on ...
Jazrawi Laith M - - 2003
Superior labral lesions and internal impingement are believed to be the primary cause of shoulder pathology in the overhead athlete, particularly the baseball player. Increased shoulder external rotation can lead to repetitive impingement of the rotator cuff and superior labrum resulting in a superior labrum anterior and posterior lesion and ...
Simon Geza - - 2003
BACKGROUND AND OBJECTIVES: Habitual high-sodium diet may cause stiffening of arteries. The aim of this study was to investigate the long-term effects of physiologically relevant high-sodium diet on the structure and distensibility of arteries in rats. METHODS: Adult male Sprague-Dawley rats were fed 2% NaCl diet for 3 or 6 ...
Hämelahti P - - 2002
BACKGROUND: The C677T mutation of the methylenetetrahydrofolate reductase (MTHFR) gene leads to C/C, C/T and T/T genotypes, which affect the plasma homocysteine concentration in humans. In mini-pigs, high serum homocysteine levels are associated with defects in the internal elastic lamina (IEL) of the artery wall, which are apparently related to ...
Schattner Ami - - 2002
PURPOSE: To examine the prevalence and characteristics of arterial thromboembolism in patients with adenocarcinoma of the pancreas. METHODS: Retrospective review of charts of all patients with cancer of the pancreas diagnosed and followed at a regional teaching hospital over a decade. RESULTS: In total, 320 patients were diagnosed and 311 ...
Imanaka Kazuhito - - 2002
A senile patient developed fatal intestinal necrosis right after uneventful cardiovascular operation using usual cardiopulmonary bypass. Cholesterol crystal embolism (CCE) was demonstrated histologically, but angiograms were typical of non-occlusive mesenteric ischemia (NOMI). Very severe vasoconstriction occurred not only in the superior mesenteric artery but also in other splanchnic arteries. The ...
Yamboliev Ilia A - - 2002
BACKGROUND: Mesenteric arteries and veins are composed of tonic smooth muscles and serve distinct functions in the peripheral circulation. However, the basis for the functional disparity of the resistive and capacitative parts of the mesenteric circulation is poorly understood. We studied potential differences in the expression levels of six contractile ...
Parodi Juan Carlos - - 2002
The endoluminal approach of the diffusely atheromatous aorta (DAA) is an emerging tool to prevent further embolization. We treated one symptomatic patient with DAA. We designed a catheter with a balloon at the tip for occlusion of both common iliac arteries through which the antegrade flow was allowed by an ...
Lopera Jorge E - - 2002
Three patients were seen with acute mesenteric venous thrombosis. With a transhepatic access, percutaneous pharmacologic thrombolysis was performed in one patient with extensive thrombosis of the portal and mesenteric veins, resulting in complete thrombolysis of the portal vein and partial thrombolysis of the superior mesenteric vein. In two patients with ...
Borsellino Alessandro - - 2003
We report a 3-week-old neonate with an intestinal vascular malformation. The usual investigations performed for the examination of lower gastrointestinal bleeding had negative results, but ultrasound revealed bowel loops of abnormal calibre and altered flow in the superior mesenteric artery. Ultrasound should be considered a diagnostic study of primary importance ...
Andrews Christopher N CN Department of Medicine, University of British Columbia, Vancouver, - - 2002
A 64-year-old man presented with an eight-month history of increasing postprandial epigastric pain and a 15 kg weight loss. Computed tomography of the abdomen, panendoscopy and mesenteric angiography failed to explain the cause of the patient's mesenteric angina. Systemic amyloidosis involving intestinal small vasculature without larger arterial involvement was diagnosed ...
Ma Jin - - 2003
The aim of the present work was to investigate the alterations in nitric oxide synthase (NOS) expression and nitrate and nitrite (NOx) content of different arteries from simulated microgravity rats. Male Wistar rats were randomly assigned to either a control group or simulated microgravity group. For simulating microgravity, animals were ...
Savassi-Rocha Paulo Roberto - - 2002
Successful treatment of superior mesenteric artery embolism depends on an aggressive approach in patients at risk for mesenteric ischemia. This approach favors an early diagnosis and permits the reestablishment of arterial flow within an appropriate time, with prevention of vasospasm and control of organic insufficiencies. We report here a case ...
Tessier Deron J - - 2002
Mesenteric arterial branch aneurysms are rare. This study reports the Mayo Clinic experience from 1980 to 1998. We reviewed the medical records of 306 patients with visceral artery aneurysms evaluated at all three Mayo Clinic campuses from 1980 to 1998. In this group, we discovered 12 (3.9%) patients with 14 ...
Sarkar Rajabrata - - 2002
Current approaches to the diagnosis and management of occlusive disease of the mesenteric arteries have developed over a relatively short period. Five decades ago chronic mesenteric ischemia was almost exclusively a post-mortem diagnosis with the causative link between proximal occlusive lesions of the mesenteric arteries and bowel infarction still in ...
Yamashiro Satoshi - - 2002
We report a case of acute type A dissection with ischemic enterocolitis due to blood flow insufficiency in the superior mesenteric artery. A 67 year-old man, with medicated ischemic heart disease and hypertension, presented to another hospital with chest pain radiating to the back and epigastrium. Contrast-enhanced computed tomography revealed ...
Hirai Shinji - - 2002
A 42-year-old man was admitted to another hospital complaining of acute abdominal pain that was induced by eating. Abdominal computed tomography and selective angiography revealed an intimal flap separating true and false lumens that was located 3 cm from the origin of the superior mesenteric artery (SMA). Emergency surgery was ...
Liem David A - - 2002
The mechanism underlying interorgan preconditioning of the heart remains elusive, although a role for adenosine and activation of a neurogenic pathway has been postulated. We tested in rats the hypothesis that adenosine released by the remote ischemic organ stimulates local afferent nerves, which leads to activation of myocardial adenosine receptors. ...
Reiman Steven - - 2002
The authors present a case of a Latin American patient with systemic lupus erythematosus who was referred for a mesenteric arteriogram because of acute lower gastrointestinal bleeding. Multiple segments of dilation alternating with stenosis or spasm were noted in the superior mesenteric artery/inferior mesenteric artery distributions. At the time, these ...
Chiu Han-Mo - - 2002
Aneurysms of the superior mesenteric artery are uncommon, and aneurysms of its branches occur even less frequently. We report the case of a 60-year-old man with an aneurysm of the ileal branch of the superior mesenteric artery whose initial symptom was abdominal pain. Gray-scale and color Doppler sonography provided noninvasive, ...
Ogino Hiroyuki - - 2002
In median arcuate ligament syndrome, the root of the celiac artery is compressed and narrowed by the median arcuate ligament of the diaphragm during expiration, causing abdominal angina. Aneurysm may be formed in arteries of the pancreas and duodenum due to a chronic increase in blood flow from the superior ...
Upchurch Gilbert R GR - - 2002
Splanchnic arterial occlusive disease is rare in childhood. The purpose of this study was to review the clinical relevance and operative treatment of these lesions in a unique experience from a single institution. Seventeen children (11 boys and 6 girls) from 2 years to 17 years in age with critical ...
Sakagami Junichi - - 2002
INTRODUCTION: Duplex ultrasonographic technology is now capable of detecting flow signals in the various splanchnic vessels and calculating the concomitant flow velocities using fast-Fourier transformation. AIM: To use Doppler sonography to investigate how splanchnic hemodynamics vary during the early stage of severe acute pancreatitis. METHODOLOGY: Six patients with severe acute ...
Dahshan Ahmed - - 2002
A 4-year-old boy was evaluated for recurrent abdominal pain and failure to thrive over a 1-year period in a pediatric subspecialty clinic. Results of the extensive workup mostly were unremarkable. Eventually, imaging studies of the abdominal aorta revealed an isolated thrombosis of the superior mesenteric artery trunk and compensatory hypertrophy ...
Horie Tsutomu - - 2002
Fibromuscular dysplasia (FMD) is a nonatherosclerotic, noninflammatory segmental arterial occlusive disorder that involves primarily the renal and carotid arteries, and less often the coronary, iliac, and visceral arteries. We report the case of 78-year-old Japanese woman who presented with acute abdomen complicated by shock. Autopsy revealed hemorrhagic necrosis of the ...
Wede Oskar Karlsson - - 2002
Protein composition and mechanical function of intermediate filaments were examined in arteries of different sizes using desmin deficient mice (Des-/-) and their wild-type controls (Des+/+). Using SDS-PAGE gels and Western blots we found a gradient in desmin expression in the arterial tree; the desmin content increased from the elastic artery ...
Pumberger W - - 2002
Duodenal atresia predominantly represents an isolated entity, but could also be part of a complexly structured intestinal malformation. We report four children, including two from one family, with duodeno-jejunal atresia associated with malrotation, volvulus, and absent parietal attachment of the mesentery. Gross absence of the mesentery and absence of distal ...
Mohan Niveditha - - 2002
This report describes a patient with abdominal pain at presentation, which on angiography was found to be caused by vasculitis limited to the superior mesenteric artery. He was treated with oral glucocorticoids after an initial 5-day course of pulse therapy and obtained excellent relief of symptoms. Steroids were tapered over ...
Fabre Olivier - - 2002
We report a case of a 71-year-old man presenting with acute type A aortic dissection and mesenteric ischemia due to extension of the intimal flap to the mesenteric artery. Because of the severity of the abdominal symptoms, surgical correction of the ascending aorta was delayed. Preoperative percutaneous fenestration was performed ...
Yüksel Münevver - - 2002
A 38-year old woman with mid-epigastric pain, diarrhea, and weight loss, underwent resection of a superior mesenteric artery aneurysm and primary repair of the artery. Pathological examination showed degenerative atherosclerotic changes, marked medial and intimal thickening, and vegetations. Microbiological studies demonstrated Streptococcus viridans as the infecting organism of this mycotic ...
Shields Steven J SJ Division of Gastroenterology, Brigham and Women's Hospital, Harvard Medical School, Boston, - - 2002
Technological achievements in the area of endoscope design and development have resulted in instruments capable of advancing beyond the reach of simple gastroscopes. Such instruments, known as enteroscopes, form the bases of small bowel endoscopy. Recent widespread use of enteroscopes have contributed significantly to the understanding of small intestinal pathology ...
Jaroszewski Dawn E - - 2002
The aorta, celiac axis, and iliac arteries are the most common inflow arteries used for renal revascularization. When these inflow vessels are diseased, the superior mesenteric artery (SMA) can be an alternative source of renal artery graft inflow. Previous reports have suggested that only an enlarged SMA should be used ...
Boffa Daniel J - - 2002
Intestinal ischemia after open heart surgery is an uncommon but often fatal complication. The ischemia is generally seen in the context of a low-flow state, and less frequently is associated with an occlusion in the mesenteric circulation. We report a case of intestinal ischemia caused by an atheroemboli in a ...
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