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Results 101 - 150 of 1599
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Ahmed I - - 2010
A 54-year-old man presented for radiology with pain and a feeling of fullness in the upper abdomen and an epigastric mass. Ultrasound revealed a large cystic mass with internal echoes, lying posterior and inferior to left lobe of the liver. The gallbladder was thick-walled and contracted, and contained a calculus ...
Burg Matthias C - - 2011
Purpose. To evaluate stent lumen visibility of a large sample of different peripheral arterial (iliac, renal, carotid) stents using magnetic resonance angiography in vitro. Materials and Methods. 21 different stents and one stentgraft (10 nitinol, 7 316L, 2 tantalum, 1 cobalt superalloy, 1 PET + cobalt superalloy, and 1 platinum ...
Lesley Walter S - - 2010
Background The off-label use of an extender wire during vertebral artery stenting and angioplasty with or with neuroprotection has not been previously reported. Material and Methods Retrospective, single-patient, technical report. Results After monorail balloon angioplasty was performed on a proximal left vertebral artery stenosis, the 190 cm long Accunet neuroprotection ...
Matusz Petru - - 2011
Anatomical terminology is the foundation of medical terminology and it is important that doctors and scientists throughout the world use the same name for each structure. It is also important that the anatomical terms for a specific anatomical structure are presented in a logical order. To eliminate confusion, it is ...
Fabregat J - - 2010
It is accepted that for achieving a successful liver transplantation one of the most important points is the arterial revascularization of the graft. Sometimes the recipient's hepatic artery is not suitable for anastomosis. In this review, we will discuss the different options to deal with a compromised arterial tree in ...
Yamauchi Yasushi - - 2010
We describe the innovative techniques with single orifice vein reconstruction for the complete venous drainage in the left liver plus caudate lobe graft. Eight left liver plus caudate lobe grafts used for living donor adult liver transplantation were reviewed. A wide and single venous orifice was created by gathering the ...
Sueyoshi Eijun - - 2010
The purpose of this article is to review the angiographic changes, development of collaterals, and possible complications after transcatheter arterial chemoembolization (TACE) in hepatocellular carcinoma (HCC). Extrahepatic collateral arteries can supply the tumor after repeated TACE. Knowledge of hepatic artery changes can help in repeated TACE procedures and reduce TACE ...
Ugurel M S - - 2010
The purpose of our investigation was to determine the anatomical variations in the coeliac trunk-hepatic arterial system and the renal arteries in patients who underwent multidetector CT (MDCT) angiography of the abdominal aorta for various reasons. A total of 100 patients were analysed retrospectively. The coeliac trunk, hepatic arterial system ...
Yang Yi Y Department of Liver and Vascular Surgery, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, - - 2010
To retrospectively investigate microsurgical hepatic artery (HA) reconstruction and management of hepatic thrombosis in adult-to-adult living donor liver transplantation (A-A LDLT). From January 2001 to September 2009, 182 recipients with end-stage liver disease underwent A-A LDLT. Ten of these patients received dual grafts. The 157 men and 25 women had ...
Cherian P Thomas - - 2010
In the presence of anatomical variants such as an accessory or replaced (A/R) right hepatic artery (RHA), a conflict of interest can arise during organ retrieval between liver and pancreatic teams. This angiographic study examines the anatomy of the inferior pancreaticoduodenal artery (IPDA), its relation to the A/R RHA, and ...
Wang Shaofa - - 2010
In comparison with the left and right hepatic arteries, there is a relative lack of information on the middle hepatic artery (MHA). In this study, data obtained by multidetector computed tomography from 145 patients were studied to evaluate anatomical variations of the MHA, a hilar artery that primarily supplies hepatic ...
Martins Paulo N - - 2010
Vascular anatomy of the liver is varied, and the "standard" anatomy is seen in 55%-80% of cases. It is very important that extrahepatic arteries are identified precisely at the time of graft procurement to avoid injuries that might compromise the liver function. In the present case the liver donor had ...
Zipprich Alexander A Digestive Disease Section, Yale University School of Medicine, New Haven, CT, USA. - - 2010
Increase of portal venous vascular resistance is counteracted by decrease of hepatic arterial vascular resistance (hepatic arterial buffer response). This process is mediated by adenosine in normal livers. In cirrhosis, hepatic arterial vascular resistance is decreased but the involvement of adenosine in this process is unknown. The aim of our ...
Yamagami T - - 2010
We used a retrospective non-randomised study to investigate the clinical effect of selective embolisation of the right gastric artery before hepatic arterial infusion chemotherapy (HAIC) using a port-catheter system. We evaluated whether the hepatic artery or the left gastric artery is the better approach for selecting the right gastric artery. ...
dos Santos Vitorino Modesto - - 2010
Hepatic artery aneurysms are scarcely reported, mainly because of non-specific symptoms. More often, they are incidental findings during imaging studies to investigate other acute or chronic abdominal conditions. These aneurysms are usually detected in the sixth decade of life, predominantly among males. We report the case of a 69 year-old ...
Maggi U - - 2010
To expand the donor pool, split-liver transplantation has been implemented in recent years. In the classic technique, the arterial axis with the artery for segment 4 (S4) coming from the left hepatic artery (HA) is included with the right graft. To give a surgical advantage to pediatric recipients in our ...
Takasaka Isao - - 2010
To prepare a soluble gelatin sponge (GS) and to explore the GS particles (GSPs) that inhibit development of collateral pathways when transcatheter hepatic arterial embolization is performed. The approval of the Institutional Committee on Research Animal Care of our institution was obtained. By means of 50 and 100 kDa of ...
Cho Akihiro - - 2010
BACKGROUND: Extended left hepatectomy including the middle hepatic vein (MHV) may potentially induce right paramedian sector congestion of the remnant liver. METHODS: To prevent venous congestion in the right paramedian sector, we performed extended left hepatectomy including the left hemiliver and anterior segment, which drain into the MHV and left ...
Okada Yoshitaka - - 2010
We report three cases with a rare anatomic variation, in which the common hepatic artery (CHA) arose from the left gastric artery. Fewer than ten cases with this anatomic variation have been published in the literature consulted. In each patient, multidetector-row CT image with 3D reformation demonstrated that the hepatic ...
Lu Hong-Wei - - 2010
BACKGROUND: In clinical liver transplantation, whether the delay of hepatic arterial ischaemia increases biliary fibrosis or not is controversial. We designed a liver transplantation model to test this controversy and explore its mechanism. METHODS: Twelve dogs were divided into two groups randomly: hepatic arterial ischaemia (HAI) and control groups. In ...
Song Soon-Young - - 2010
PURPOSE: To identify and evaluate the spectrum and prevalence of celiac axis (CA) and common hepatic artery (CHA) variations by using spiral computed tomography (CT) and digital subtraction angiography (DSA). MATERIALS AND METHODS: Institutional review board approval was obtained, and the requirement for informed patient consent was waived. The findings ...
Jin Zhe Wu - - 2010
The retrohepatic inferior vena cava (IVC) is commonly considered to originate from the right vitelline or omphalomesenteric vein. In contrast, Alexander Barry hypothesized that one of the hepatic veins grows to merge with the subcardinal vein and develops into the retrohepatic IVC. We re-examined fetal development of the retrohepatic IVC ...
Chitra R - - 2010
Vascular patterns are important in the planning and performance of all upper abdominal surgical procedures. The coeliac trunk arises from the abdominal aorta and supplies the supracolic organs. Knowledge of variations of the coeliac trunk is important in procedures such as liver transplants for appropriate vascular ligation and anastomosis. The ...
Hashim Mostafa - - 2010
Hepatic artery aneurysm is uncommon with an estimated incidence of less than 0.25%. Because most patients are asymptomatic, the diagnosis is usually made as an incidental finding on imaging studies performed for other reasons. Because of their propensity to rupture with potential catastrophic intraperitoneal hemorrhage, early diagnosis is important. Herein, ...
Yasuda Yoshikazu - - 2010
Right or right-extended hepatectomy including the caudate lobe is the most common treatment for hilar cholangiocarcinoma (HC). A 5-year survival of up to 60% can be achieved using this procedure if R0-resection is obtained. However, for some patients a left-sided liver resection is necessary to obtain radical resection. The close ...
Wang Mo Jin - - 2010
The knowledge of anatomical variations in hepatic artery is of importance to surgeons in planning effective therapeutic strategies for general surgery. Apart from the different source and number variations, the unusual course was also discovered during the angiography and anatomical dissection. The present case report shows a rare case in ...
Cheng L F - - 2010
Haepatocellular carcinoma (HCC) is the most common primary liver malignancy, representing the fifth most common cancer in the world. Without treatment, the median survival of HCC patients has been reported to be 8 weeks from symptomatic presentation. Transarterial chemoembolisation is widely used to manage unresectable HCCs. However, when a tumour ...
Yu Maurice - - 2010
In the treatment of liver malignancies, therapies such as bland embolization, chemoembolization and radioembolization require access to the hepatic artery by means of conventional transfemoral or brachial catheterization. Challenging vascular anatomy can impede selective access to tumoral vessels, preventing the safe and effective delivery of embolic material. Direct percutaneous hepatic ...
Luo Xiaofang - - 2010
We report a rare but serious case of upper gastrointestinal hemorrhage from hepatic artery pseudoaneurysm. An 11-year-old child with a history of hepatic trauma 6 months before was admitted for hematemesis and melena. Repeat ultrasound examination showed a 3.6 × 2.8 cm anechoic area with clear border in the right ...
Mun Han Song - - 2010
OBJECTIVE: To describe the usefulness of intraoperative ultrasonography (IOUS) with high-frequency transducer in living donor liver transplantation (LDLT) using right-lobe graft (RLG). METHOD: This retrospective study was approved by our institutional review board. We performed IOUS in 22 patients (17 men and 5 women, aged 51 +/- 9.0 years) during ...
Campsen Jeffrey - - 2010
Arguably, one of the most challenging aspects of liver transplant surgery is the hepatic artery reconstruction. When the donor and recipient arteries are normal, this anastomosis can still be difficult. However, when the recipient artery has been dissected or is small other alternative reconstructions must be considered. Routinely, the donor ...
Lin Being-Chuan - - 2010
INTRODUCTION: Patients undergoing damage control laparotomy need intensive and aggressive resuscitation, and may also require adjunctive transarterial embolisation (TAE) for ongoing arterial haemorrhage. We evaluated the effectiveness and timing of TAE in these patients as well as their final outcome. MATERIALS AND METHODS: From January 1998 to December 2006, the ...
Arts Cora H P - - 2010
The purpose of this study was to investigate the results of a staged treatment of symptomatic focal nodular hyperplasia (FNH), consisting of first embolization and then resection. A 36-year-old woman presented with pulmonary embolism caused by an inferior caval vein thrombosis owing to external compression by FNH in liver segment ...
Yagihashi Kunihiro - - 2010
A new indwelling catheter, G-spiral (GSP), was developed for hepatic arterial infusion chemotherapy (HAIC) by way of an implanted catheter-port system (CPS). Here we evaluated its physical properties and the outcomes of its clinical use. The GSP vessel-fixing power and its ability to follow a guidewire were determined with a ...
Jabara Refat - - 2009
Aims: The concept of fully biodegradable stents has emerged as an attractive alternative to current permanent metallic stents, mainly as a potential solution to avoid late stent thrombotic events. We sought to evaluate a novel, fully bioabsorbable sirolimus-eluting stent (SES) synthesised entirely from a unique salicylic-acid polymer, in a%E2%80%88clinically relevant ...
Ko Gi-Young - - 2010
Extensive hepatic resection is often associated with post-hepatectomy liver failure. Owing to the regenerative capacity of the liver, preoperative portal vein embolization (PVE) has been proposed to increase the functional mass of the non-embolized liver segments that will remain in situ after surgery. However, in some patients, hypertrophy of the ...
Sabat Shyamsunder - - 2011
We present a 39-year-old patient with massive duodenal bleeding ulcer. The patient had multiple variants in his hepatic arterial anatomy that led us to erroneously embolize the dorsal pancreatic artery presuming it to be the gastroduodenal artery. Due to this erroneous presumption, our patient continued to have upper gastrointestinal bleeding. ...
Pollono E N EN Department of General Internal Medicine, Ambulatory Treatment and Emergency Care, Section of Rheumatology, the University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, - - 2010
Systemic vasculitis is a known complication of patients with systemic lupus erythematosus (SLE). Inflammation of the vessels can result in the development of arterial aneurysms with a potential risk of rupture or bleeding. We present the case of a 56-year-old woman with SLE who developed three episodes of gastrointestinal (GI) ...
Liu Chinsu - - 2009
Formal hepatic arterial flush to preserve the liver graft in living donor liver transplantation (LDLT) is not recommended by most transplant centers because direct cannulation may injure the intima of the hepatic artery. The authors describe a method of retrograde arterial flush of the liver graft without arterial cannulation by ...
Gravante Gianpiero - - 2011
Variations in the porcine hepatic vasculature may contribute to the outcome of experiments based on liver perfusion models. We studied the hepatic artery (HA), variations of its branches, and the correlation with the resultant perfusion. Nineteen animals were used. After 6 h of perfusion, dissection of the HA and its ...
Shukla Parul J - - 2010
BACKGROUND: Because of the potential risk of hemorrhage or ischemia, the presence of vascular anomalies adds to the surgical challenge in pancreatoduodenectomy (PD). OBJECTIVE: To analyze the literature concerning the influence of aberrant peripancreatic arterial anatomy on outcomes of PD. MATERIALS AND METHODS: A systematic search using Medline and Embase ...
Kornasiewicz O - - 2009
BACKGROUND: Hepatic artery thrombosis (HAT) remains an important cause of graft loss after liver transplantation. HAT can be caused by technical, hemodynamic, or immunologic factors. Bench reconstruction of anatomical variants of the hepatic artery is considered to fore a major risk related to HAT. The purpose of the study was ...
Sughimoto Koichi - - 2009
A surgeon needs an innovative technique to establish a Fontan circulation for a patient who has a widely separated hepatic vein from the inferior vena cava. The inferior vena cava was redirected by placing a trimmed GoreTex baffle (W. L. Gore and Associates, Flagstaff, AZ) on the internal side of ...
Uchiyama Hideaki - - 2010
BACKGROUND: A left hepatic graft in living donor liver transplantation (LDLT) often has 2 thin and short hepatic arterial stumps, which makes hepatic artery (HA) reconstructions much more difficult to perform. Consequently, some investigators regard using a left graft as a contraindication to LDLT, whereas others report that the reconstruction ...
Furuta Toshihiro - - 2009
Hepatic transarterial interventional therapies such as chemoembolization and radiation embolization are important treatment options for hepatocellular carcinoma. Understanding the anatomy of individual arterial branches and hepatic segments is critical for selecting the correct embolization technique for treatment and to avoid complications. The authors describe the morphologic characteristics of hepatic arterial ...
Brismar T B - - 2009
BACKGROUND: A thorough understanding of magnetic resonance (MR) contrast media dynamics makes it possible to choose the optimal contrast media for each investigation. Differences in visualizing hepatobiliary function between Gd-BOPTA and Gd-EOB-DTPA have previously been demonstrated, but less has been published regarding differences in liver vessel visualization. PURPOSE: To compare ...
Bakheit M A - - 2009
The anatomy of the cystic artery is very variable, creating potential problems during surgery. This study documents variations in the origin of the cystic artery and its location in relation to the biliary ducts among 106 Sudanese people and compared the variations between the sexes and races. The cystic artery ...
Shunichi Sasaki - - 2009
To define the contrast enhancement phases in the liver with perflubutane microbubbles, the liver enhancement time-intensity curves were investigated in 14 healthy volunteers. The agent was injected intravenously as a bolus and the liver was imaged with an ultrasound scanner as long as 4h after the injection. Time-intensity curves from ...
Polguj Micha? - - 2010
A rare case of the right accessory hepatic artery was observed during multidetector-row Computer Tomography examination in a 65-year-old Caucasian female with portal vein thrombosis. This artery arose from the common hepatic artery near the celiac trunk and ran behind the hepatic portal vein to the right lobe of the ...
Luo Yan Y Department of Sonography, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China. - - 2009
To investigate contrast-enhanced ultrasound (CEUS) for early diagnosis of postoperative vascular complications after right-lobe living donor liver transplantation (RLDLT). The ultrasonography results of 172 patients who underwent RLDLT in West China Hospital, Sichuan University from January 2005 to June 2008 were analyzed retrospectively. Among these 172 patients, 16 patients' hepatic ...
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