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Oleske Alexandra - - 2010
Portal venous aneurysms are rare and are usually discovered as incidental findings on abdominal imaging studies. Although most are asymptomatic, they may occasionally cause symptoms of compression of an adjacent structure, thrombosis, or bleeding. Treatment is usually not necessary and conservative follow-up is suggested. We present four patients with portal ...
Machida Takuro - - 2010
A 59-year-old woman, who was given a diagnosis of portal vein aneurysm at another hospital 2 years previously, visited our institution complaining of abdominal pain in November 2005. Abdominal imaging including computed tomography and ultrasonography demonstrated that the portal vasculature had dilated to 5 cm in maximum dimension and its ...
Chin Matthew S - - 2010
PURPOSE: To assess the success of direct percutaneous puncture of the recanalized paraumbilical vein (RPUV) for access and visualization of the portal vein (PV) to guide transhepatic puncture during transjugular intrahepatic portosystemic shunt (TIPS) creation. The predictive value of successful catheterization based on preprocedural vein diameter was analyzed. MATERIALS AND ...
Maggi U - - 2010
Portal vein arterialization (PVA) is a salvage procedure for insufficient hepatic arterial or portal vascularization. It plays a role in auxiliary and orthotopic liver transplantation (OLT). In OLT, current indications for PVA include hepatic artery thrombosis (HAT), pre-OLT or post-OLT extended splanchnic vein thrombosis, intraoperative low portal flow, and anatomic ...
Olteanu Dan - - 2010
Ascites, dilutional hyponatremia and hepatorenal syndrome are three clinical manifestations of the same physiopathological disorder: cirrhotic portal hypertension, hyperproduction of nitric oxide, arterial vasodilation with reduction of efficient arterial volume, which have as consequences renal vasoconstriction, sympathetic stimulation, the stimulation of renin-angiotensin-aldosteron system and of vasopressin secretion. In dilutional hyponatremia, ...
Pace J Lee - - 2010
PURPOSE: To clearly define the anatomic relations that exist in the posterior knee under arthroscopic conditions in a cadaveric model and to describe a technique for an all-arthroscopic posterior capsule release. METHODS: Seven cadaveric knees were examined under arthroscopic conditions. After a routine diagnostic arthroscopy of the anterior compartment, posteromedial ...
Bandyopadhyay Ranjana - - 2010
A 15 years old female presented with recurrent episodes of gum bleeding, easy bruisibility and recurrent soft tissue haematoma following trivial trauma since childhood. Subsequently the patient developed features of extrahepatic portal vein obstruction due to formation of thrombus. Defective fibrinogen structure due to underlying inherited dysfibrinogenaemia led to the ...
Parikh Sameer - - 2010
Portal vein thrombosis is a condition not infrequently encountered by clinicians. It results from a combination of local and systemic prothrombotic risk factors. The presentation of acute thrombosis varies widely from an asymptomatic state to presence of life-threatening intestinal ischemia and infarction. In the chronic stage, patients typically present with ...
Iguchi Toshihiro - - 2010
A 75-year-old man with portal hypertension was referred to our institution because he suddenly began to pass a large amount of tarry stool. Arterial portography and computed tomography (CT) during arterial portography via the superior mesenteric artery, using a unified 64-slice multidetector row CT and angiography system, revealed bleeding ileal ...
Fasel Jean H D - - 2010
An increasing number of surgical and radiological observations call Couinaud's concept of eight liver segments into question and such inconsistencies are commonly explained with anatomical variations. This paper was intended to demonstrate that, beyond variability, another anatomical principle may allow to understand supposedly differing concepts on liver segmentation. The study ...
Libicher M - - 2010
PURPOSE: In this study we examined the feasibility of portal vein embolization (PVE) by using the Amplatzer Vascular Plug (AVP-II). We measured the time of vessel occlusion after plug deployment and changes in plug length and diameter within 4 weeks of PVE. MATERIALS AND METHODS: In 10 consecutive patients (4 ...
Yukawa Norio - - 2010
Extrahepatic portal vein aneurysm is a rare disorder. From 1956 to 2008, we found only 43 published English-language reports, including 67 cases, using Pub Med. We report a case of a 77-year-old woman who had complaints of lower abdominal fullness and residual urine. We performed ultrasonography (US), which demonstrated a ...
Kapur Sangita - - 2010
Obstruction of the superior vena cava (SVC) or inferior vena cava (IVC) is most commonly an acquired condition, typically caused by malignancy, benign conditions such as mediastinal fibrosis, and iatrogenic causes such as venous catheterization. In the event of chronic occlusion, collateral pathways must develop to maintain venous drainage. The ...
Bertolini Giovanna - - 2010
We describe patterns of acquired portal collateral circulation in dogs and in a cat using multidetector row computed tomography angiography. Large portosystemic shunts included left splenogonadal shunts in patients with portal hypertension. Small portal collaterals were termed varices; these collaterals had several patterns and were related either to portal vein ...
Yoon Jeong-Hee - - 2010
The objective of this study was to determine the sequential CT findings of controlled hepatocellular carcinoma (HCC) with main portal vein (MPV) thrombosis with the use of transcatheter arterial chemoembolization and additional intra-arterial cisplatin infusion. From January 2004 to September 2006, 138 patients with HCC invading MPV were referred to ...
Dobritz Martin - - 2009
The purpose of the study was to evaluate multi-detector computed tomography (MDCT) acquired in different acquisitions (unenhanced, and arterial and portal venous phase following intravenous contrast medium) for detection of intestinal bleeding using an experimental bowel model. The model consisted of an injector tube with a perforation placed in a ...
Kivilevitch Z - - 2009
OBJECTIVES: To describe the normal anatomy of the fetal umbilical-portal venous system (UPVS) and to assess possible anatomical variants of the main portal vein (MPV) insertion into the portal sinus (PS). METHODS: This was a prospective cross-sectional study of low-risk patients between 14 and 36 weeks of gestation. Two- (2D) ...
Shah Ira - - 2009
We report a male neonate who had liver abscess that resolved with intravenous antibiotics and surgical drainage. However, the child developed complete thrombosis of portal vein with cavernous formation within 16 days of therapy and portal hypertension subsequently. The child is now 2 1/2 years and has extra hepatic portal ...
Kokai H - - 2009
We performed a living donor liver transplantation (LDLT) for a 57-year-old man who had end-stage liver failure with portal hypertension and an inferior mesenteric vein-left testicular vein (IMV-LTV) shunt. At operation, we did not clamp the shunt but encircled it with a coronary artery bypass graft (CABG) occluder (Sumitomo Bakelite ...
Ohashi Masanori - - 2010
BACKGROUND AND AIM: Histological criteria for intracapsular venous invasion (IVI) that would allow its discrimination between portal and hepatic venous invasion in hepatocellular carcinoma (HCC) have not been established. METHODS: We evaluated IVI immunohistochemically to discriminate between portal and hepatic venous invasion in 89 resected specimens from patients with HCC. ...
Wils Alexandra - - 2009
GOALS: To determine the feasibility of transjugular intrahepatic portosystemic shunt (TIPS) creation as a possible salvage intervention in patients with variceal bleeding and chronic portal vein thrombosis with cavernous transformation, refractory to endoscopic therapy. BACKGROUND: TIPS is technically feasible in partial portal vein occlusion or complete occlusion due to fresh ...
Chardot Christophe - - 2009
Meso-Rex shunt (MRS) can relieve portal hypertension and restore a physiological portal flow in patients with portal vein thrombosis. We describe a technical variant where the autologous internal jugular vein (IJV) was too short to bridge the superior mesenteric vein (SMV) and the Rex recessus. A 15-year-old boy with portal ...
Kang Bo-Kyeong - - 2009
Portal vein embolization (PVE) has been widely used to facilitate major liver resection; however, curative surgery even after PVE may not be possible mainly because of inadequate hypertrophy of remnant liver or disease progression. For these patients, transcatheter arterial chemoembolization (TACE) is the next therapeutic option. We evaluated the safety ...
Nakanuma Yasuni - - 2009
Idiopathic portal hypertension (IPH) is a non-cirrhotic presinuosidal portal hypertension of unknown etiology. Stenosis of smaller portal veins with portal fibrosis is a pathologic hallmark of IPH. Association of systemic sclerosis (SSc) with IPH is recognized, and similar pathologic features are reported in small portal tracts and skin of IPH ...
Wojcicki M - - 2009
BACKGROUND: Vascular complications remain a significant cause of morbidity, graft loss, and mortality following orthotopic liver transplantation (OLT). These problems predominantly include hepatic artery and portal vein thrombosis or stenosis. Venous outflow obstruction may be specifically related to the technique of piggyback OLT. MATERIALS AND METHODS: Between February 2002 and ...
Puppala Sapna - - 2009
BACKGROUND: In children with extrahepatic portal vein obstruction (EHPVO), formation of a mesentericoportal bypass (Rex shunt) restores hepatopetal flow, relieves portal hypertension, and reduces variceal bleeding and hypersplenism. The Rex shunt is created by inserting a vein graft between the superior mesenteric vein and the umbilical segment (Rex) of the ...
Chawla Y - - 2009
BACKGROUND: Portal vein thrombosis (PVT) is an important cause of portal hypertension. It may occur as such with or without associated cirrhosis and hepatocellular carcinoma. Information on its management is scanty. AIM: To provide an update on the modern management of portal vein thrombosis. Information on portal vein thrombosis in ...
Bonnet S - - 2010
Portal vein thrombosis is a relatively common finding during liver transplantation. The management of portal vein thrombosis during liver transplantation is technically demanding and ensures adequate portal flow to the liver graft. Eversion thromboendovenectomy and bypass using a patent splanchnic vein and cavoportal hemitransposition are the most often used procedures ...
Thomas Ryan M - - 2010
Portal vein thrombosis can be a devastating, but often overlooked, complication of hepatobiliary procedures. Symptoms of acute portal vein thrombosis range from nondescript abdominal pain to septic shock secondary to mesenteric ischemia. The surgeon must be cognizant of these symptoms and the potential for portal vein thrombosis after any hepatobiliary ...
Sareli Merab - - 2009
Prevention of blood loss in liver resections is essential for reducing postoperative morbidity. The main method to control bleeding during surgery of the left hemiliver is occlusion of the left portal pedicle. This may be accomplished by hilar, fissural or posterior intrahepatic techniques. However, these techniques may injure transposed vessels ...
Bulsara K R - - 2009
Rapidly expanding infectious pseudoaneurysms of the internal carotid artery can have deleterious consequences. A patient is reported who presented with such an aneurysm. The morphology of the aneurysm was not amenable to microsurgical treatment. The aneurysm was successfully treated with covered stents. This is only the third report of a ...
Brauchlin Andreas E - - 2009
A 51-year-old man with known pheochromocytoma refused surgical treatment over several years and subsequently presented in catecholamine crisis with shock and multiple organ failure. Laboratory testing revealed liver failure with elevated liver enzymes and coagulation abnormalities, and imaging showed ischemia of extended parts of the right liver lobe. It also ...
Vons Corinne - - 2009
No detailed description of nonhuman primate liver anatomy has been reported and little is known about the similarity between such livers and human liver. The cynomolgus monkey (Macaca fascicularis) was used to establish a preclinical model of genetically modified hepatocytes auto transplantation. Here, we report information gleaned from careful observation ...
Hayashi Sadao - - 2009
Extrahepatic portal-systemic shunts cause portal-systemic encephalopathy. Direct communication between the inferior mesenteric vein (IMV) and the inferior vena cava (IVC) is a relatively rare pathway among the variety of portal-systemic shunts. This report describes a case of successful occlusion of an IMV-IVC shunt. Based on laboratory data and computed tomography ...
Gupta Rajesh - - 2010
OBJECTIVE: To study the relationship of anomalous right-sided round ligament with respect to branches of the portal vein. METHODS: We studied four patients of right-sided round ligament diagnosed radiologically in the last 5 years. 3-D volume rendered CECT abdominal images were analyzed for attachment of the round ligament in the ...
Aishima Shinichi - - 2009
AIMS: To assess the relationship between arterial blood supply and the progression of intrahepatic cholangiocarcinoma (ICC). METHODS AND RESULTS: The intratumoral arterial vessel density (AVD) was assessed in 76 cases of mass-forming type of ICC using anti-h-caldesmon antibody, a marker of smooth muscle cells, and AVD compared with pathological findings. ...
Liu Hai - - 2009
BACKGROUND: Portal vein embolization (PVE) has been gaining increasing acceptance before major hepatectomy. This review presents the application, outcome, and recent developments of PVE. METHODS: After a systematic search of "portal vein embolization" in PubMed, we reviewed and retrieved articles written in English related to PVE. There were no other ...
Northup Patrick G - - 2009
The coagulopathy of liver disease is complex and often unpredictable. Despite clear evidence of an increased tendency for bleeding in patients who have cirrhosis, many circumstances also promote local and systemic hypercoagulable states. The consequences of hypercoagulability include the obvious morbidity and mortality of portal vein thrombosis, deep vein thrombosis, ...
Dighe M - - 2009
Complex developmental changes occur during embryonic life as the vitelline veins evolve into the portal vein. Duplication of the portal vein is an uncommon anomaly. Complications of this anomaly include variceal bleeding, portal hypertension and duodenal obstruction. We report a case of this uncommon anomaly and present an embryological perspective ...
Ellis Christian M - - 2009
We report herein the case of a patient successfully treated by transhepatic portal venous stent placement for malignant portal vein obstruction with associated gastric and small bowel varices and repeated gastrointestinal bleeding. CT angiography and portography showed severe portal vein obstruction from recurrent pancreatic cancer 15 months following pancreaticoduodenectomy with ...
Erden Ayse - - 2009
OBJECTIVE: We analyze whether calibrations of esophagogastric veins can be used as an indirect sign for the presence of portal hypertensive gastropathy (PHG). PATIENTS AND METHODS: The diameters of the left gastric, paraesophageal, and azygos veins were measured on magnetic resonance (MR) portograms of 57 patients with portal hypertension. The ...
Arakura Norikazu - - 2009
A man with abscess of the round ligament of the liver associated with acute obstructive suppurative cholangitis and portal thrombosis is reported. A 63-year-old man was admitted with epigastralgia and high fever. Blood tests showed elevation of hepato-biliary enzymes and coagulopathy consistent with acute obstructive suppurative cholangitis and disseminated intravascular ...
Mungan Zeynel - - 2009
Portal vein aneurisym (PVA), peliosis hepatis (PH) and intestinal lymphangiectasia (IL) all are very uncommon entities. Herein, we presented a unique patient with these three rare entities who was admitted to our hospital because of portal hypertensive ascites rich in protein and lymphocyte. PVA was extrahepatic and associated with coronary ...
Zardi Enrico Maria - - 2009
BACKGROUND: This study aimed to determine the detection rate and clinical relevance of portosystemic collaterals. METHODS: We studied 326 cirrhotics. Portosystemic collaterals, portal vein diameter, and splenic area were evaluated by color Doppler sonography; esophageal varices were detected by endoscopy. RESULTS: Of the cirrhotics, 130 had portosystemic collaterals (39.9% total, ...
Ferkolj Ivan - - 2009
Portal vein thrombosis is a fairly common clinical condition that is usually not fatal but may give rise to serious complications. We report the case of a woman who was always in good health until the age of 50, when she developed acute gastroenterocolitis with inflammation of the portal vein ...
Ahmad Amir - - 2009
Internal carotid dissection most commonly presents as headache, focal neurological deficits or stroke. Rarely it can manifest itself by causing a palsy of the lower cranial nerves (IX, X, XI, XII). The reported incidence of isolated cranial nerve palsies is rare. We report a case of an internal carotid artery ...
Ardhalapudi Srujan - - 2009
Spontaneous internal carotid artery dissection is not an uncommon cause of ischaemic stroke in younger patients, but multiple cervical arterial dissections at presentation are uncommon. Recurrence of dissection in a previously normal artery is common. In this case report we review the history, clinical findings and management of a 42-year-old ...
Malkin Christopher - - 2009
An 82-year-old woman re-presented with severe angina many years after coronary artery bypass surgery. Myocardial perfusion imaging suggested reversible ischaemia in the inferior territory. Diagnostic angiography demonstrated no vein grafts, an occluded right internal mammary artery graft (RIMA), and a patent left internal mammary graft. The native right coronary was ...
Hino Tomoko - - 2009
Portopulmonary hypertension (PPHTN) is pulmonary arterial hypertension (PAH) associated with portal hypertension. It is a common condition among liver transplantation candidates; however, its association with congenital absence of the portal vein (CAPV) has not yet been established. CAPV is a very rare developmental anomaly, which is usually accompanied by abnormal ...
Yamamoto Satoshi - - 2009
In the last decade, a superior mesenteric-intrahepatic left portal shunt (Rex shunt) has been reported for successful management of extrahepatic portal vein obstruction in children. However, in adults, a mesocaval shunt has been generally performed for the surgical management of extrahepatic portal vein obstruction because of the complexity of the ...
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