Search Results
Results 301 - 350 of 1378
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Venturi A - - 2007
Patients with liver disease or systemic pathology are more prone to develop portal vein thrombosis. Non-neoplastic thrombosis is characterised by absence of intrathrombotic perfusion, corresponding to marked hypoechogenicity at contrast-enhanced ultrasound. We report two cases of portal vein thrombosis in which contrast-enhanced ultrasound showed marked hypoechogenicity in the late phase. ...
Keussen, Inger
Symptomatic portal hypertension (PH), is often treated by transjugular intrahepatic portosystemic shunt (TIPS). Patients with PH, caused by prehepatic portal vein occlusion, require recanalization with stent or stent-graft often followed by additional TIPS. Stent-grafts used for TIPS, may occlude the outflow from the adjacent hepatic vein, potentially disturbing the circulation ...
Madoff David C - - 2007
PURPOSE: Portal vein embolization (PVE) is used to induce liver hypertrophy for surgical candidates with marginal future liver remnant (FLR) volumes. We compared the feasibility, safety, and effectiveness of a transarterial approach for PVE (TA-PVE) with those of a transhepatic approach for PVE (TH-PVE) in a swine model. MATERIALS AND ...
Sugo Hiroyuki - - 2007
We report a case of anomaly of the intrahepatic portal system in a 65-year-old man with hilar bile duct cancer. Preoperatively, percutaneous transhepatic portography demonstrated that there was a right posterior portal vein arising from the main portal vein. In addition, a large portal branch originated from the left portal ...
Karagulle Erdal - - 2007
A 50-year-old man with abdominal pain, nausea, and vomiting presented at our emergency department. Physical examination revealed diffuse abdominal tenderness and absent bowel sounds. Computed tomography showed partial portal vein thrombosis extending to the right portal vein and the superior mesenteric vein, perfusion defects in the liver, and nonopacified intestinal ...
Goto Takashi - - 2007
A 72-year-old male visited our hospital for further evaluation of esophageal varices. Telangiectasias were present in the stomach. He had recurrent epistaxis, which was also confirmed in his family's medical history. We diagnosed this case as Osler-Weber-Rendu disease. He had concomitant with hepatic nodular change. Abdominal angiography showed arterio-portal (A-P) ...
Takemoto Ikuyo - - 2007
We encountered a case of portal vein thrombosis (PVT) after treatment for portal hypertension due to pancreatic arteriovenous malformation (PAVM). A 75-year-old man was admitted for the treatment of esophageal varices. Diffuse PAVM and aneurysm in the celiac and superior mesenteric arteries were detected via abdominal computed tomography and angiography. ...
Minami Shigeki - - 2007
Although stomal varices are a rare complication, bleeding stomal varices often need to be treated owing to symptoms of hypovolemic shock, recurrence of stomal bleeding, or deterioration in the quality of life. Various treatment strategies for the management of bleeding stomal varices have thus far been reported. We report the ...
Kumano Seishi - - 2007
PURPOSE: The purpose of this study was to evaluate the efficacy of 3-dimensional computed tomographic angiography (3D CTA) using 16-channel multidetector-row helical computed tomography (MDCT) in the preoperative visualization of laparoscopic gastrectomy for early gastric cancer. MATERIALS AND METHODS: Twenty consecutive patients with early gastric cancer who underwent computed tomographic ...
Herve Philippe - - 2007
Two pulmonary vascular disorders can occur in liver disease and/or portal hypertension: the hepatopulmonary syndrome (HPS), which is characterized by intrapulmonary vascular dilatations, and portopulmonary hypertension (POPH), in which pulmonary vascular resistance is elevated. POPH and HPS are characterized by distinct pulmonary microvascular remodelling, which occurs at different anatomical sites ...
Kwon So Young - - 2007
Splanchnic arterial vasodilation represents the pathophysiological hallmark of the hemodynamic dysfunction observed in portal hypertensive states. The role of neuronal nitric oxide synthase (nNOS) in the splanchnic arterial vasodilation remains to be elucidated. We therefore investigated: (i) if nNOS is involved in the splanchnic arterial vasodilation; and (ii) the possible ...
Gunvén Peter - - 2007
Arterial embolization of the liver may temporarily retard the growth of its primary and secondary tumors which are both mainly nourished arterially. Addition of radioisotopes, mostly (131)I or (90)Y, results in radioembolizations which predominantly act by radiation and less by ischemia. They may therefore be utilized in the absence of ...
Tziafalia Christina - - 2006
BACKGROUND AND AIM. The aim of this prospective study was to determine the range of various hemodynamic parameters of portal vein and hepatic artery with echo-Doppler imaging in asymptomatic carriers of hepatitis B virus (HBV) and healthy adults. METHODS. One hundred and twenty two healthy adults and fifty-three asymptomatic patients ...
Sanli Emine C - - 2006
Anomalous branching of the intrahepatic portal veins and a round ligament variation were encountered in a 70-year-old male cadaver, with a positional variation of the liver. The liver was not extending to the left of the xiphoid process. The fissure for the round ligament was not present at the visceral ...
Lupescu Ioana - - 2006
In this educational presentation, we offer an overview of acquired anomalies of the portal venous system explored by biphasic helical CT and MRI. Portosystemic collateral vessels, cavernous transformation of the portal vein, intrahepatic vascular shunts, aneurysms of the portal venous system, thrombosis of the portal venous system, and gas in ...
Tsurusaki Masakatsu - - 2006
A 60-year-old woman with massive hemorrhage from duodenal varices was transferred to our hospital for the purpose of transcatheter intervention. Although digital subtraction arterial portography could not depict the entire pathway of collateral circulation, the efferent route of the duodenal varices was clearly demonstrated on subsequent CT during arterial portography. ...
Tripathi Dhiraj - - 2006
Uncertainty exists about the ideal therapy for gastric and ectopic varices owing to relatively few controlled studies. Endoscopic therapy with tissue adhesives and thrombin appear promising. Transjugular intrahepatic portosystemic stent-shunt has a role in patients with refractory gastric variceal bleeding in the presence of a patent portal vein. The addition ...
Haider Hani H - - 2006
We report a case of extensive acute thrombosis of portal vein and cava in a portocaval hemitransposition liver graft that was treated successfully with percutaneous pulse spray thrombolysis through a femoral vein access. The patient subsequently developed descending and sigmoid colon ischemic necrosis because of the venous thrombosis necessitating emergency ...
Boku Michiko - - 2006
A 72-year-old man who had undergone a total gastrectomy with a Roux-en-Y esophagojejunostomy for gastric cancer 6 years earlier presented to our hospital with massive hematemesis and melena. Endoscopic examination indicated esophageal varices with cherry-red spots and hemorrhage arising from beyond the anastomosis. Abdominal contrast-enhanced computed tomography and angiography revealed ...
Chen Yi-Zhong - - 2006
BACKGROUND: The clearance of propofol is very rapid, and its transformation takes place mainly in the liver. Some reports indicated extrahepatic clearance of the drug and that the lungs are the likely place where the process occurs. This study was undertaken to compare the plasma concentrations of propofol both in ...
Boonsarngsuk Viboon - - 2007
Pleuropulmonary complications after endoscopic injection sclerotherapy for treatment of esophagogastric varices are not uncommon but are usually mild and self-limited. Herein we report a male patient with liver cirrhosis who underwent endoscopic injection sclerotherapy, using a mixture of n-butyl-2-cyanoacrylate and ethiodized oil for obliteration of gastric varices. After the procedure, ...
Marrone Gianluca G Radiology Department, Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione, Via Carmelo Lazzaro 2a, CAP 90127, Palermo, - - 2006
Arteroportal fistula is a rare cause of prehepatic portal hypertension. A 44-year-old male with hepatitis virus C infection was admitted for acute variceal bleeding. Endoscopy showed the presence of large esophageal varices. The ultrasound revealed a mass near the head of pancreas, which was characterized at the color-Doppler by a ...
Atasoy Cetin - - 2006
OBJECTIVE: Our objective was to investigate the prevalence of variant main and right portal vein ramification in a large group of patients. SUBJECTS AND METHODS: The study group consisted of 200 patients who underwent consecutive contrast-enhanced abdominal CT examinations performed with an 8-MDCT scanner. Two observers evaluated both thin axial ...
Panicker J - - 2006
A 19-year-old gentleman presented with slowly progressive spastic paraparesis, 2 years after the therapeutic lienorenal shunt for portal hypertension secondary to cirrhosis and portal vein occlusion. After 2 years of initial evaluation, the motor functions had not worsened further. He did not have any obvious clinical or EEG features of ...
Ueno Norio - - 2006
OBJECTIVES: To select an appropriate treatment regimen, it is essential to accurately characterize the nature of a thrombus. This study prospectively assessed the ability of contrast-enhanced sonography to differentiate between benign and malignant portal vein thrombosis in a population of high-risk patients. METHODS: Fifty-five patients (43 men and 12 women; ...
Keshava Shyamkumar N - - 2006
BACKGROUND: Transjugular intrahepatic porto-systemic shunt (TIPS) for Budd-Chiari syndrome (BCS) can be inserted from inferior vena cava or hepatic vein to portal vein. The former is performed when hepatic veins are not suitable and is technically more challenging. METHODS: In this retrospective study, 7 patients with chronic BCS needed cavo-portal ...
Bala Tripura Mantha - - 2006
Transjugular intrahepatic portosystemic shunt (TIPS) is a low-resistance channel between the hepatic vein and the intrahepatic portion of the portal vein. This is an important addition to the therapeutic armamentarium against portal hypertension. Complications are either technical or due to the creation of a shunt. Procedure-related mortality is about 0 ...
Nakai Motoki M Department of Radiology, Hidaka General Hospital, Gobo Shi, Wakayama 644-8655, Japan. - - 2006
A 66-year-old woman underwent partial splenic embolization (PSE) for hypersplenism with idiopathic portal hypertension (IPH). One week later, contrast-enhanced CT revealed extensive portal vein thrombosis (PVT) and dilated portosystemic shunts. The PVT was not dissolved by the intravenous administration of urokinase. The right portal vein was canulated via the percutaneous ...
Keys Graham J - - 2006
OBJECTIVE: To describe the vascular distribution pattern of contrast medium during intraosseous regional perfusion (IORP) of the distal portion of the equine forelimb. SAMPLE POPULATION: 13 cadaveric forelimbs from 12 horses without forelimb diseases. PROCEDURES: Serial lateromedial radiographic views were taken of the distal portion of 10 heparinized cadaveric forelimbs ...
Li H - - 2006
The purpose of this study was to analyse multi-detector row CT (MDCT) signs of peripancreatic arterial and venous invasion in pancreatic carcinoma. Among 101 patients with pancreatic carcinoma examined by MDCT, 54 candidates for surgery were pre-operatively evaluated for vascular invasion based on MDCT signs. The peripancreatic major vessels (including ...
Cosgarea Andrew J - - 2006
This study defines the sagittal distance from the posterior cruciate ligament (PCL) to the popliteal artery under simulated arthroscopic conditions. This information is relevant for posterior knee arthroscopy, particularly for the safe establishment of the posterior trans-septal portal. Measurements from the PCL to the popliteal artery were made on sagittal ...
Basu Adhish - - 2006
Spontaneous external hemorrhage from an umbilical varix is rare. We describe a 40-year-old man with cirrhosis and portal hypertension, who presented with recurrent external bleeding from an umbilical varix. The first episode was controlled by transfixation of the vein under local anesthesia. Contrast-enhanced CT scan demonstrated a hugely distended recanalized ...
Patton K M - - 2006
A 17-year-old Quarter horse mare was referred to Cornell University for postmortem examination after 72 hours of encephalopathy that consisted of depression, mania, and blindness. A plasma sample and cerebral spinal fluid demonstrated hyperammonemia. Gross necropsy examination findings included the following: mild icterus, a transmural mass in the glandular portion ...
Sundaram Chandru P - - 2006
Vascular control during laparoscopic donor nephrectomy (LDN) requires expeditious control of the renal artery and vein while preserving maximum graft vascular length. The vascular stapler with three rows of staples on either side of the division has been widely used, but it loses more vascular length than other methods. In ...
Raza Syed A - - 2006
Creating transjugular intrahepatic portosystemic shunts (TIPS) requires accessing a portal vein branch from a metal cannula wedged in a hepatic vein. This initial step in shunt creation often requires multiple blind intrahepatic punctures and occasionally fails. We describe a method using sonographic guidance to serially puncture the portal vein and ...
Panicker J, Sinha S, ...
A 19-year-old gentleman presented with slowly progressive spastic paraparesis, 2 years after the therapeutic lienorenal shunt for portal hypertension secondary to cirrhosis and portal vein occlusion. After 2 years of initial evaluation, the motor functions had not worsened further. He did not have any obvious clinical or EEG features of ...
Chiu Bill - - 2006
Surgically created portosystemic shunts can alleviate the symptoms of bleeding from gastric and esophageal varices and improve the hematologic consequences of hypersplenism in patients with portal hypertension. However, the diversion of mesenteric venous blood away from the liver can result in encephalopathy. In this report, we describe a case in ...
Güz Galip - - 2006
A 26-year-old man was admitted with fever and abdominal pain. Abdominal ultrasonography and Doppler ultrasound eventually revealed portal vein thrombosis and a pyogenic liver abscess (17x11x11 cm). Lactococcus lactis was isolated from a culture of the abscess material. This organism is not a common pathogen in humans. This is the ...
Maluf D - - 2006
Portal vein thrombosis (PVT) is considered a relative contraindication to living donor liver transplantation (LDLTx) due to technical difficulty and ethical considerations. So far, there have been a few reported cases of LDLTx with PVT, most of which were treated by thrombectomy with or without a venous conduit. We report ...
Monterrubio Villar Jesús - - 2006
BACKGROUND: Portal vein thrombosis in adults is usually related to cirrhosis. There are several possible therapies. including anticoagulation, transjugular intrahepatic portosystemic shunt, balloon dilatation, local and systemic fibrinolytics agents. Hypercoagulable states are also reported in association with this disease entity. Eosinophilia may activate platelets and promote thrombosis due to proteins ...
Aarts R - - 2006
A 2-month-old boy was referred for assessment of severe upper gastrointestinal tract bleeding and melena. On physical examination, a continuous murmur was heard over the right upper quadrant of the abdomen. A splenomegaly and dilated veins were also noted on the abdominal wall. Liver functions were normal. There was no ...
Li Tao T Department of Hepatic Surgery, Tongji Hospita1, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, Hubei province, China. - - 2006
To investigate the interaction between portal hypertension, splanchnic hyperdynamic circulation and splanchnic vasculopathy by observing splenic arterial and venous pathological changes and the ro1e of extra-cellular matrix in the pathogenesis of portal hypertensive vasculopathy by measuring the expression of type I and type III procollagen mRNA in splenic venous walls ...
Matveyenko Aleksey V - - 2006
The current study sought to ascertain whether portal vein glucose sensing is mediated by a metabolic fuel sensor analogous to other metabolic sensors presumed to mediate hypoglycemic detection (e.g., hypothalamic metabosensors). We examined the impact of selectively elevating portal vein concentrations of lactate, pyruvate, or beta-hydroxybutyrate (BHB) on the sympathoadrenal ...
Cáceres Ana V - - 2006
Helical abdominal computed tomography (CT) was performed in nine normal beagle-mix dogs. Following cephalic vein injection of ionic iodinated contrast medium via power injector (rate 5 ml/s) dual-phase CT was performed in all dogs. A delayed scan was performed in five dogs between 5 and 13 min after the contrast ...
Luo Hai-Feng - - 2006
BACKGROUND: Extrahepatic portal vein aneurysm is a rare clinical entity with no more than 50 reported cases in the English literature. This study was to elucidate the procedures used in the diagnosis and management of portal vein aneurysm. METHOD: The clinical data of a patient with extrahepatic portal vein aneurysm ...
Guiducci Letizia - - 2006
PURPOSE: The liver is fundamental in regulating lipid metabolism, and it supplies fatty acids (FA) to the rest of the body in the form of triglycerides (TG); the time-related relevance of this process is incompletely defined. The aim of the study was to investigate the appearance of labeled TG in ...
Shinohara Tsuyoshi - - 2006
BACKGROUND/PURPOSE: The cause of extrahepatic portal hypertension in children has not been clarified. Our aim was to determine the morphological features of the extrahepatic portal vein in children with extrahepatic portal hypertension by 3-dimensional computed tomographic portography and to clarify the etiology of this disorder. MATERIALS AND METHODS: Six patients ...
Guzman Eduardo A - - 2006
Arterioportal fistulas (APFs) are arteriovenous communications between the splanchnic arteries and the portal vein that represent an infrequent cause of presinusoidal portal hypertension. They can be acquired or congenital. Penetrating hepatic trauma, including liver biopsies, represent the most common etiology. They can be asymptomatic or manifest with portal hypertension. An ...
Fernández-Rodríguez O M - - 2006
OBJECTIVE: Our aim was to evaluate liver graft integrity and function using scintigraphy and ultrasonography in a porcine model of auxiliary heterotopic liver transplantation with portal vein arterialization (AHLT-PVA). MATERIALS AND METHODS: Using Doppler ultrasonography we evaluated eight AHLT-PVA by parenchymal echogenicity, portal and arterial anatomy, and portal and biliary ...
Matsuki Mitsuru - - 2006
OBJECTIVE: In this study, we evaluated the efficacy of dual-phase 3D CT angiography (CTA) during a single breath-hold using 16-MDCT in the assessment of vascular anatomy before laparoscopic gastrectomy. MATERIALS AND METHODS: The study involved 20 consecutive patients (10 men, 10 women; mean age, 59 years) scheduled for laparoscopic gastrectomy ...
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