Search Results
Results 201 - 250 of 1202
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Ozanne Augustin - - 2008
We discuss the arterial supply of the cranial nerves from their exit out of the brain stem to their exit from the skull base. Four distinct groups can be differentiated from an embryologic and phylogenetic standpoint. Understanding the arterial supply to the cranial nerves and the potential anastomoses is paramount ...
Nakamura Kenichi - - 2008
Fatal biliary complications and liver abscesses are likely in cases of acute hepatic arterial occlusion after hepatobiliary surgery with bilioenteric anastomosis. A 60-year-old man with hilar hepatic metastasis of gastric cancer underwent curative surgery. While the recurrent nodule was removed with the involved bile duct, vascular structures were preserved. Massive ...
Liboni William - - 2008
Patent foramen ovale (PFO) is a frequent finding in migraine patients. The standard technique for PFO diagnosis is actually trans-oesophageal echocardiography (TEE). It requires the injection of a contrast agent unable to pass the pulmonary filter; hence, it is possible to detect a right-to-left shunt by observing the presence of ...
Manabe Shinji - - 2008
INTRODUCTION: We report the characteristics, diagnosis and treatment of dural arteriovenous fistula (DAVF) of the hypoglossal canal in nine patients with this relatively rare vascular disorder. METHODS: Of 248 patients with intracranial DAVFs managed at our institution, nine patients (3.6%; four men, five women; mean age 62 years) were diagnosed ...
Perkins Linda A - - 2008
Though uncommon, right-to-left shunt through a patent foramen ovale with normal right-side pressure and with a normal interatrial pressure gradient has been reported. The speculated pathophysiology is attributed to directional blood flow streaming from the vena cava to the left atrium. Hypoxemia secondary to right-to-left shunt with normal pulmonary artery ...
Stringer Mark D - - 2008
Congenital portosystemic venous shunts are rare. Their gross anatomy has not been well defined. Four different varieties of congenital portosystemic venous shunts are described in six children seen during a 10-year period, focusing on the anatomy of the shunt as determined by imaging studies and surgery. A detailed review of ...
Rebolleda G - - 2008
PURPOSE: To report a clinical case of optic nerve compression by supraclinoidal internal carotid artery associated with optociliary shunt vessels. METHODS: A 78-year-old woman with the clinical triad of left visual loss, ipsilateral optic disc pallor, and retinochoroidal (optociliary) shunt vessels is reported. She complained of loss of vision in ...
Kaestner Michael - - 2008
Creation of a systemic-to-pulmonary shunt is still the firstline treatment in neonates with duct-dependent pulmonary circulation, or in patients with hypoplastic left heart syndrome as a part of the first stage of the Norwood sequence. Acute complications after such surgery, such as stenosis, thrombosis, or kinking, are potentially lifethreatening. These ...
Nakano Toshihide - - 2008
OBJECTIVE: Pulmonary artery (PA) distortion significantly compromises the outcome of the staged approach to the Fontan operation in patients with hypoplastic left heart syndrome (HLHS). This retrospective study was designed to investigate the influence of the initial operation on postoperative PA anatomy. METHODS: Forty-nine patients with HLHS and its variant ...
Lesser Thomas - - 2008
BACKGROUND: With the present method of intrapulmonary right-to-left shunt volume calculation, no differentiation can be made between the shunt volume shares of the right and left lungs. For a better understanding of pathophysiological processes during thorax surgery with side-separated ventilation, a side-separated shunt volume determination would be useful. MATERIALS AND ...
Walsh Mark A - - 2008
The presence of a residual systemic-to-pulmonary shunt following a bidirectional Glenn operation may be necessary in patients with an elevated pulmonary vascular resistance. It is often possible to perform percutaneous occlusion of these shunts once the resistance has fallen. We report on the use of an Amplatzer Ductal Occluder Device ...
Bonderman Diana - - 2008
OBJECTIVE: Acute pulmonary emboli usually resolve within 6 months. However, in 0.1% to 3.8% of cases thrombus transforms into fibrous masses. If vascular obstruction is severe, the resulting condition is chronic thromboembolic pulmonary hypertension (CTEPH). Patients who carry ventriculo-atrial (VA-) shunts for the treatment of hydrocephalus and report a history ...
Vural A Hakan - - 2008
BACKGROUND: During off-pump coronary bypass grafting, local vascular control of the target vessel and a bloodless field are crucial. The aim of this study is to asses the histopathological outcomes of intracoronary shunts and bulldog clamping on the beating heart in a canine model. METHODS: Twelve healthy adult mongrel dogs ...
Galie Nazzareno - - 2008
A large proportion of patients with congenital heart disease (CHD), in particular those with relevant systemic-to-pulmonary shunts, will develop pulmonary arterial hypertension (PAH) if left untreated. Persistent exposure of the pulmonary vasculature to increased blood flow, as well as increased pressure, may result in pulmonary obstructive arteriopathy, which leads to ...
Akbulut B - - 2008
Modified Blalock-Taussig shunt (MBTS) is a palliative operation for cyanotic congenital heart disease (CCHD) in patients for whom total correction is not appropriate. Many synthetic or biologic grafts have been proposed as alternative shunt materials. The use of a bovine mesenteric venous graft (BMVG) as a systemic-to-pulmonary artery shunt conduit ...
Mottram Philip M - - 2008
A 66-year-old man with known metastatic carcinoid tumor presented with increasing dyspnoea, right heart failure and marked hypoxaemia which did not correct with oxygen. Echocardiography demonstrated severe tricuspid regurgitation, moderate pulmonary regurgitation and marked right heart dilatation. The inter-atrial septum was aneurysmal, with a large patent foramen ovale (PFO) with ...
Machida Haruhiko - - 2008
Spontaneous intrahepatic portosystemic venous shunts (IPSVS) are rare, and angiographic intervention to treat IPSVS has been limited. To our knowledge, we present the first case of an IPSVS between the right portal vein and inferior vena cava accompanied by intractable encephalopathy that was successfully obliterated using a stent-graft deployed in ...
Poyrazoglu H Hakan - - 2008
OBJECTIVE: The purpose of this study was to evaluate early findings for aortopulmonary shunts using bovine internal mammary artery grafting. METHODS: Bovine internal mammary artery grafts biomodified with glutaraldehyde and the Shelhigh No-React process were used between May 2005 and April 2006 in our clinic for 20 cases of aorta-pulmonary ...
Wagner Peter D - - 2008
Since around 1950, physiological dead space - the difference between arterial and mixed expired pCO2 (partial pressure of carbon dioxide) divided by the arterial pCO2 - has been a useful clinical parameter of pulmonary gas exchange. In the previous issue of Critical Care, Niklason and colleagues remind us that physiological ...
Giannarelli Chiara - - 2007
We report a case of decompensated porto-pulmonary hypertension closely associated with the development of intra-portocaval shunt thrombosis. A woman with Laennec's cirrhosis was hospitalized because of severe dyspnea and edema. She underwent surgical portocaval anastomosis ten years ago. Imaging studies showed massive intra-shunt thrombosis, portal hypertension, ascites, pleuro-pericardial effusions and ...
Ergün Rüçhan - - 2008
Symptomatic hydrothorax following ventriculoperitoneal shunt insertion is a very rare complication. The patient was a 5-month-old child known to have had shunted congenital hydrocephalus two months before. He presented to the emergency room in respiratory distress. Chest X-ray and computerized tomography images confirmed left hydrothorax and showed transdiaphragmatic migration of ...
Assad Renato S - - 2007
PURPOSE: We describe the first case in which a neonate with hypoplastic left heart syndrome was initially managed using a mini adjustable banding system. DESCRIPTION: Through a mid-sternotomy, a 5-day-old neonate underwent bilateral pulmonary artery banding using this new system, combined with placement of a main pulmonary artery to the ...
Woodworth Graeme F - - 2007
OBJECTIVE: The use of intraluminal shunting during carotid endarterectomy (CEA) remains controversial. Over the years, different shunting strategies have been used. More recently, the use of intraoperative electroencephalography and somatosensory evoked potential monitoring with selective intraluminal shunting has been explored. No studies have assessed the independent association of selective versus ...
Sreeram N - - 2008
BACKGROUND: There are few data on successful recanalization of acutely occluded modified aortopulmonary shunts in infants in whom the major component of pulmonary flow is shunt-dependent. PATIENTS AND METHODS: Seven infants (age range 6 days to 7 months) with modified (polytetrafluoroethylene) aortopulmonary shunts (central shunt n = 6, modified Blalock-Taussig ...
McMullan David Michael DM Department of Pediatric Cardiac Surgery, Children's Hospital & Regional Medical Center, Seattle, WA, 98105, USA. - - 2008
We sought to identify and characterize the abnormal vascular structures responsible for pulmonary arteriovenous shunting following the Glenn cavopulmonary shunt. Superior cavopulmonary shunt is commonly performed as part of the staged pathway to total cavopulmonary shunt to treat univentricular forms of congenital heart disease, however, clinically significant pulmonary arteriovenous malformations ...
Januszewska Katarzyna - - 2007
BACKGROUND: The evidence of the advantageous physiology associated with right ventricle-to-pulmonary artery (RV-PA) shunt in the early postoperative period after the Norwood procedure for hypoplastic left heart syndrome has been recently widely reported. We investigated the late consequences of this modification from the perspective of the third-stage palliation, the Fontan ...
Yamagami Takuji - - 2007
The authors report the case of a 6-year-old boy with a congenital extrahepatic portosystemic venous shunt. He had hyperammonemia. The shunt was 18 mm in diameter and located between the inferior mesenteric vein and the left internal iliac vein. The flow in the shunt was very rapid. After decreasing blood ...
Matake Kunishige - - 2007
The authors report on their experience with a 61-year-old woman with hepatic encephalopathy and two large splenorenal shunts. She was treated with dual balloon-occluded retrograde transvenous obliteration (B-RTO). Retrograde injection of the sclerosant into the shunt was performed with balloon occlusion of the two vessels draining into the left renal ...
de Oliveira Jean G - - 2007
OBJECTIVE: To compare the risk of shunt-dependent hydrocephalus after treatment of ruptured intracranial aneurysms by clipping versus coiling. METHODS: We analyzed 596 patients prospectively added to our database from July of 1999 to November of 2005 concerning the risk of shunt dependency after clipping versus coiling. Factors analyzed included age; ...
Di Muro Licia - - 2007
OBJECTIVE: We describe a minimally invasive echo-guided placement of the cardiac tube in a ventriculoatrial shunt in a young pregnant woman, in order to avoid any radiological procedure. METHODS: We used a central venous catheter placement kit for percutaneous echo-guided right internal jugular vein puncture located by a 7.5 mHz ...
Narayan Pradeep - - 2007
Chylothorax due to injury to the thoracic duct and lymphatic channels during left internal thoracic artery harvest is well described. However, high volume leakage of chyle due to disruption of aberrant thymic collateral lymphatic channel in the anterior mediastinum has not been described previously. We describe such a case which ...
Lisignoli Veronica - - 2007
Percutaneous closure of a patent foramen ovale (PFO) was performed in 98 consecutive patients (mean age 52.5 +/- 13 years, 61 women). Indications included recurrent transient ischaemic attack (47%), cryptogenic stroke (34%), peripheral embolism (11%), disabling migraine with aura (4%), professional scuba diving (1 pt) and severe platypnea-orthodeoxia syndrome (1 ...
Lasocki Sigismond - - 2007
We report the case of a 42-year-old woman who developed severe hemodynamic instability with marked arterial pulsed pressure variation in the early course of bilateral lung transplantation. The diagnosis of tension pneumopericardium was made on Day 2 post-operatively based on chest X-ray and echocardiography. Transoesophageal echocardiography revealed both a cardiac ...
Brockman Daniel J - - 2007
OBJECTIVE: To describe a modified Blalock-Taussig shunt (mBT) procedure and assess its use in dogs with clinical signs associated with tetralogy of Fallot (TOF). DESIGN: Descriptive report. ANIMALS: 6 dogs with severe TOF-associated clinical signs. PROCEDURES: Each dog had TOF (confirmed echocardiographically or angiographically) and underwent an mBT shunt procedure ...
Ishikawa Toshihito - - 2007
BACKGROUND: Although AV shunts are known to exist in the normal dura mater, their histologic appearance has not been examined in detail. Arteriovenous shunts in the normal dura mater adjacent to the transverse sinus, the most frequent site of DAVFs, were studied histologically. METHODS: Normal dura mater adjacent to the ...
Attanavanich Sukasom - - 2007
We compared surgical outcomes of the single-stage and two-stage modified Fontan procedures to clarify clinical superiority. Of 28 children undergoing a modified Fontan procedure from October 1995 to October 2005, 15 had a 1-stage and 13 had a 2-stage operation. In the 2-stage group, pulmonary artery growth was evaluated before ...
Ahmad Usman - - 2008
INTRODUCTION: The modified Blalock-Taussig shunt (MBTS) is the most commonly created systemic-pulmonary shunt in neonates with cyanotic heart disease. Morbidity and mortality after MBTS is associated with several factors including age, pulmonary artery diameter and the baseline cardiac anatomy. The objective of this research was to describe the immediate and ...
Ballweg Jean A - - 2007
OBJECTIVE: We compare the hemodynamics and perioperative course of shunt type in hypoplastic left heart syndrome at the time of stage 2 reconstruction and longer-term survival. METHODS: We retrospectively reviewed the echocardiograms, catheterizations, and hospital records of all patients who had a stage 1 reconstruction between January 2002 and May ...
Dähnert I - - 2007
Shunts placed between the right ventricle and the pulmonary arteries, called Sano shunts, recently modified Norwood surgery for hypoplastic left heart syndrome. Patients with Sano shunts tend to be more stable thus reducing the interstage mortality of this still challenging complex cardiac anomaly. However, Sano shunt stenosis may develop and ...
Li Jennifer S - - 2007
BACKGROUND: Aspirin (ASA) often is used to prevent thrombosis in infants with congenital heart disease after placement of a systemic-to-pulmonary artery shunt, but its effect on outcomes is unknown. METHODS AND RESULTS: The present multicenter study prospectively collected data on 1-year postoperative rates of death, shunt thrombosis, or hospitalization age ...
Votava-Smith J K - - 2007
We present a case of the successful use of bosentan for increased pulmonary vascular resistance (PVR) in a 10-year-old male who underwent late single ventricle surgical palliation for double-inlet left ventricle with pulmonary artery banding and a bidirectional Glenn shunt. The patient was treated with bosentan for 16 weeks, with ...
Davins Meritxell - - 2007
Although the feasibility of reimplantation has increased greatly with the development of new surgical techniques, long-term functional prognosis is unpredictable. Injury to a major nerve is an important factor in long-term outcome, and prolonged ischemia time also has a negative effect. We present a 26-year-old woman whose right arm was ...
Lai Lillian - - 2007
BACKGROUND: There are distinct physiologic differences between patients with single-ventricle lesions who have undergone the Norwood procedure with a right ventricle-to-pulmonary artery conduit (NW-RVPA) compared with those patients who have undergone the Norwood operation with a Blalock-Taussig shunt (NW-BTS). We evaluated bidirectional Glenn operation outcomes and compared the two groups ...
Maeda Hiroaki - - 2007
PURPOSE: To investigate variations in the features of gastrorenal shunts and collateral veins shown by balloon-occluded retrograde venography (B-RTV) and by superior mesenteric and celiac arteriography. METHODS: A retrospective analysis was performed of the variation in these features on B-RTV and arteriography images obtained from 130 patients who have undergone ...
Yun Tae-Jin - - 2007
A 13-day-old baby girl with tricuspid atresia (IIc), who was prematurely born at 32 weeks and 5 days of gestation and weighed 2.2 kg, underwent bilateral pulmonary artery banding, ductal stenting, and reverse Blalock-Taussig shunt. Cardiac computerized tomography at 4 months postoperatively showed that the ascending aorta outgrew the somatic ...
Kogon Brian - - 2007
To report unique methods of treatment and review catheter-based intervention for occluded modified Blalock-Taussig shunts (BTS). Case reports and articles involving children undergoing catheter-based treatment for occluded modified BTS were reviewed. Literature review detailed 38 patients in whom occluded modified BTS were treated with 39 catheter-based interventions. Thrombolytics alone were ...
Bussadori Roberto - - 2008
This article describes the treatment of single congenital portosystemic shunts (CPSs) (intrahepatic and extrahepatic) using an interventional radiology technique involving embolisation of anomalous vessels with percutaneous coils. Briefly, a multipurpose catheter was introduced into the caudal vena cava and then into the portosystemic shunt. An autoexpandable stent was placed in ...
Gorenflo Matthias - - 2007
In this model of pulmonary vascular disease, high pulmonary blood flow was created by an anastomosis between the left subclavian artery and the main pulmonary artery [Blalock-Taussig (BT) shunt] in 4-week-old piglets (n = 6). Additional ligation of the left pulmonary artery (LPA) was used to increase pulmonary artery pressure ...
Hofstetter Thomas - - 2007
The authors report on a patient with dysfunction of a ventriculoperitoneal shunt who presented with two episodes of neurogenic pulmonary edema within the space of a few months. The edema resolved on correction of the shunt dysfunction. Because neurogenic pulmonary edema may be a rare consequence of shunt dysfunction, it ...
Sánchez-Patán Fernando - - 2007
A simplified technique of end-to-side portacaval shunt in the rat is described, consisting in using a microsuture with a looped end. By using this technique, combined with two-step portal vein venotomy, the portal vein and caval vein can be brought closer together in a single movement, with no need for ...
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