Search Results
Results 301 - 350 of 1325
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Saad Wael E A - - 2006
PURPOSE: To determine the incidence and significance of arterial injuries detected by angiography subsequent to ultrasound-guided random core liver biopsies in normal healthy adults. MATERIALS AND METHODS: Retrospective analysis of 55 potential living related liver donors who underwent an ultrasound-guided random liver biopsy and a visceral angiogram was performed (January, ...
Stemper Brian D - - 2007
Arterial subfailure leads to delayed symptomatology and high morbidity and mortality rates, particularly for the thoracic aorta and carotid arteries. Although arterial injuries occur during high-velocity automotive collisions, previous studies of arterial subfailure focused on quasi-static loading. This investigation subjected aortic segments to increasing loading rates to quantify effects on ...
de Araújo Filho José Dalmo - - 2006
The authors report a case of a 40-year-old woman who developed claudication of the right limb 3 months after extracorporeal shock wave lithotripsy (ESWL) owing to a pyelic calculus. Patient had no previous vascular disease. Arteriography revealed a 12-cm-long 80% stenosis of the right common, external, and internal iliac arteries; ...
La Greca Gaetano - - 2006
Isolated vascular injuries are rare in cases of blunt abdominal trauma, and superior mesenteric artery injury is extremely rare but potentially lethal. The incidence of this kind of life-threatening injury has increased in recent years. The diagnosis of these isolated injuries is difficult, and its delay is associated with a ...
Hafen G M - - 2006
Apparently minor chest trauma may result in localized pulmonary contusion. Complications of the contusion, particularly infection, may be delayed. The association between the infection and initial injury may not be appreciated due to the time frame between the injury and clinical presentation. We report two cases of low-moderate impact pulmonary ...
Milen, Mark T.
The artery of Adamkiewicz is an important retroperitoneal vessel that is chiefly responsible for vascularization of the lumbar enlargement of the lower spinal cord. The significance of this artery, named after Albert Adamkiewicz, a talented Polish pathologist known for his pioneering work on spinal anatomy and physiology, has not been ...
Tzilalis V D - - 2006
The peroneal artery is injured less frequently than the popliteal and tibial arteries, because of its anatomical relationships. Pseudo-aneurysm of the peroneal artery due to a blunt injury is a rare complication. These injuries are usually occult, but more have been identified with the introduction and increasing use of angiography, ...
Chu Michael W A - - 2006
Rapid deceleration injury causing blunt thoracic trauma can result in injury to the thoracic aorta. Rupture of the aortic isthmus is the most common presentation; however, injury can occur more proximally in the arch vessels or the aortic root. We present an unusual case of simultaneous innominate artery disruption with ...
Celik B - - 2006
Posttraumatic pulmonary pseudocyst is a rare cavitary lesion lacking an epithelial lining, which develops within the pulmonary parenchyma after blunt chest trauma. Such pseudocysts develop most commonly in children and young adults. The clinical course is usually benign with spontaneous resolution of the radiologic manifestations within 2 to 4 months ...
Kim Sun Ho - - 2006
Erectile dysfunction can happen after trauma, particularly with vertebral, pelvic, or perineal injuries. Penile Doppler ultrasonographic (US) findings in these patients are various, from normal to serious arterial impairment, according to the severity and type of injury. With neurogenic causes, Doppler US findings are usually normal, but decreased flow in ...
Gresle Melissa M - - 2006
Injury to axons and oligodendrocytes has been poorly characterized in most animal models of stroke, and hence has been difficult to target therapeutically. It is therefore necessary to characterize axonal and oligodendroglial injury in these models, in order to rationally design putative protective compounds that minimize this injury. This study ...
Miguel Maribel - - 2006
MATERIALS AND METHODS: In the dissection of 60 knees of 30 cadavers (13 women and 17 men), a ligament was located in the posterior femur face above the lateral or medial condyle. RESULTS: This ligamentous structure was found in 12 (20%) out of 60 knees studied (38% of the women ...
Halkos Michael E - - 2006
The endovascular management of blunt aortic injuries is being used more frequently in the trauma patient. Traumatic aortic injuries usually occur in the descending thoracic aorta near the origin of the left subclavian artery. Many reports in the literature demonstrate the efficacy of endovascular repair of blunt thoracic aortic injury. ...
Liu Peng - - 2006
OBJECTIVE: A functional polymorphism in the chemokine receptor CX3CR1 is associated with protection from vascular diseases including coronary artery disease and internal carotid artery occlusive disease. We investigated the mechanisms by which CX3CR1 may be involved by evaluating the inflammatory response to arterial injury in CX3CR1-deficient animals. METHODS AND RESULTS: ...
Nuñez Diego B DB - - 2006
Arterial dissection, pseudoaneurysm, arteriovenous fistula, arterial laceration and occlusion are uncommon complications of blunt trauma. Angiography has been considered the primary method of evaluation to assess for vascular injuries but, due to the low frequency of these lesions, its screening role has been challenged. Non-invasive imaging, particularly CT angiography (CTA), ...
Chen Yen-Hui - - 2006
Arterial thrombosis is a critical event in the pathogenesis of lesion development. In this study, we evaluated the effect of heme oxygenase-1 (HO-1), a stress-inducible enzyme with vasoprotective functions, on arterial thrombosis following vascular mechanical injury. The carotid arteries of apoE-deficient mice were subjected to angioplasty with a modified beaded-needle. ...
Akao Takahiko - - 2006
BACKGROUND: Free radical scavengers and superoxide dismutase have been found to protect against cerebral ischemic damage, and it was suggested that oxygen free radicals contribute to ischemia-reperfusion injury induced by cerebral ischemic damage. MCI-186 (3-methyl-1-phenyl-2-pyrazolin-5-one) is a potent scavenger and inhibitor of hydroxyl radicals and protective agent of peroxidative injury. ...
Tamaki Tomonori - - 2006
Blunt traumatic occlusion or stenosis of the internal carotid artery is a rare complication of whiplash injury and may not be recognized until the onset of neurological symptoms. The clinical course can vary considerably, with regard to both the symptoms and the interval between injury and manifestation. A dissecting aneurysm ...
Shakeri A B - - 2006
The incidence of vascular injury has increased worldwide. In an attempt to quantitate the specific arteries most commonly involved in the extremities, we reviewed 75 patients with extremity trauma who were evaluated with angiography (DSA, digital subtraction angiography). The majority of these injuries were related to motor vehicle accidents (93.3%). ...
Giammusso B - - 2006
We describe a case of gunshot wound to the corpora cavernosa caused by a low-velocity bullet in a 43-year-old man. He volunteered that his lover's husband shot him with a handgun. The bullet had penetrated the right gluteal region with no exit wound causing a right corpus cavernosum lesion. A ...
Sam Albert D AD - - 2006
Endografts have recently been used in the trauma setting for arterial injuries in surgically inaccessible areas or in medically unstable patients. There have been considerably fewer reports on the use of endografts for treatment of traumatic venous injuries. We present the case of an endograft repair of a blunt, traumatic ...
Cortelekoglu T - - 2006
BACKGROUND: Neo-intimal hyperplasia is one of the most common causes of failure of arterial patency following cardiovascular interventions. It has been proposed that clopidogrel and calcium dobesilate may play an important role in the amelioration of intimal hyperplasia. The aim of this study is to examine the effect of these ...
Rieger Michael - - 2006
OBJECTIVE: The purpose of this study was to retrospectively assess the accuracy of MDCT angiography as the initial diagnostic technique to depict arterial injury in patients with extremity trauma. MATERIALS AND METHODS: Over 36 months, 87 patients (16 females and 71 males; age range, 16-87 years) with clinically suspected arterial ...
Tillman Bryan W - - 2006
This report describes a new approach for management of iliac vein injury. These injuries are often difficult to expose, and the associated hemorrhage further hinders visualization and subsequent repair. In this case, the use of an endovascular balloon from groin access controlled venous hemorrhage and permitted a primary repair of ...
Biafora Sam J - - 2006
STUDY DESIGN: Case report. OBJECTIVE: To report a case of injury to a segmental branch of the L4 lumbar artery following kyphoplasty. SUMMARY OF BACKGROUND DATA: To our knowledge, arterial injury following vertebral augmentation has not been described. The complications that have been reported rarely require additional intervention. The caliber ...
Flores Jorge - - 2006
OBJECTIVE: Thoracic aortic aneurysm repair with the stented elephant trunk technique seems to be associated with an increased risk of spinal cord injury. We investigated whether severe atherosclerosis of the distal landing zone or extensive deployment of the stented elephant trunk is associated with increased risk of spinal cord injury. ...
Seal John B JB Pritzker School of Medicine, University of Chicago, 5841 S Maryland Avenue, Chicago, IL 60637, - - 2006
Transient bilateral carotid artery occlusion in the Mongolian gerbil is a widely used model of forebrain ischemia due to species-specific absence of communicating arteries between the middle and posterior cerebral arteries. We have found that transient carotid occlusion induces a wide variation in histological injury of the hippocampus, suggesting that ...
Endo Kenji - - 2006
Whiplash injury is not only limited to neck injury but also brainstem injury that does not involve direct damage to the neck or head. The symptoms of whiplash injury are polymorphous, with the most common complaints being cervical pain, headache and scapulodynia. Vertigo and dizziness are also reported in 25-50% ...
Haraldsen, Pernille
Objective. Pulmonary injury is an important determinant of outcome in severe acute pancreatitis. The aim of this experimental study was to investigate the potential effect of lexipafant, a platelet-activating factor (PAF) antagonist, on pancreatitis-associated pulmonary injury in experimental acute pancreatitis. Material and methods. Acute pancreatitis was induced by intraductal infusion ...
Gori Tommaso - - 2006
Although microvascular dysfunction is of critical importance in the pathophysiology of myocardial ischemic syndromes, no study has investigated whether there are differences in the sensitivity to ischemia and reperfusion injury between microvessels and conduit arteries. Ten healthy young nonsmoking male volunteers (age range 24-45) were enrolled. Parameters measured included radial ...
Deng Yongzhi - - 2006
Phrenic nerve injury after cardiac surgery increases postoperative pulmonary complications. The purpose of this study was to analyze the causes and effects of phrenic nerve injury after cardiac surgery. Prospectively collected data on 2084 consecutive patients who underwent cardiac surgery from Jan. 1995 to Feb. 2002 were analyzed. Twenty-eight preoperative ...
Kónya András - - 2006
PURPOSE: To compare vascular injuries induced by a nonrotational thrombectomy device equipped with an adjustable basket (the AKónya Eliminator [AKE] device) and the Arrow-Trerotola percutaneous thrombolytic device (PTD) in porcine external iliac arteries (EIAs). MATERIALS AND METHODS: The EIAs of nine domestic pigs underwent simulated thrombectomy with the AKE after ...
Porter Thomas R - - 2006
OBJECTIVE: Perfluorocarbon-exposed sonicated dextrose albumin (PESDA) microbubbles bind the antisense to the c-myc protooncogene (anti-c-myc) which prevents neointimal hyperplasia following vascular endothelial injury. The microbubbles also adhere to sites of damaged vascular endothelium and thus may be a method of systemically targeting delivery of anti-c-myc. METHODS: Laser scanning microscopy was ...
Kurbanov U A - - 2006
Presented herein is an analysis of the short- and long-term results of the treatment of brachial artery injuries in 25 patients with extension supracondylar humerus fractures and anterior forearm dislocations. The cause of arterial injury was a blunt trauma in 11 patients and contused-crushed wounds in 12 cases. In two ...
Wakamatsu Takeshi - - 2005
Flexible treatments for intimal hyperplasia after angioplasty are still needed. The aim of this study was to demonstrate the long-term effects of vascular photodynamic therapy with talaporfin sodium on intimal hyperplasia following interventional injury. Intimal hyperplasia was induced by balloon distension injury to the carotid artery in 31 rabbits. Talaporfin, ...
Inamasu J - - 2005
Iatrogenic vertebral artery injury (VAI) results from various diagnostic and therapeutic procedures. The objective of this article is to provide an update on the mechanism of injury and management of this potentially devastating complication. A literature search was conducted using PubMed. The iatrogenic VAIs were categorized according to each diagnostic ...
Lönn Lars - - 2005
Endovascular techniques are making progress in most aspects of vascular disease. Penetrating or blunt trauma to large arteries can in many cases be managed elegantly with endovascular techniques. However when it comes to arterial trauma of the extremities things are more complicated. There are no reports hitherto in the literature ...
Hiraiwa Kouichi - - 2005
Based on our experiences with medico-legal autopsies, we analyzed traumatic injury of the vertebrobasilar artery (VBA) in traffic accident victims. VBA rupture occurred in six cases with traumatic medullary lesions, but in none with cervical cord injury. A relatively small external force applied to the head or neck can induce ...
Hegde Vijay - - 2005
A 37-year-old man presented to the emergency department with a visor impacted in the left orbit after a motorbike accident. His initial injury appeared to be limited to the orbit. Because the bleeding appeared disproportionate to the orbital injury, an intracranial injury was suspected. Subsequently, on hemicraniotomy, the tip of ...
Igarashi Takahiro - - 2005
A 10-month-old boy presented with traumatic internal carotid artery (ICA) occlusion caused by blunt injury after falling from a baby carrier attached to a standing bicycle. Physical examination found bruises on the scalp in the right temporal region and the right shoulder, but no wound in the neck. Chest radiography ...
Yao Kunming - - 2005
A 40-year-old woman was involved in a traffic accident and was admitted to another hospital with a severe head injury with a Glasgow Coma Scale score 1 of 8. Skull radiographic film showed extensive temoralbasal fracture unilaterally. Two months later, she presented with left ophthalmoplegia and exophthalmos and with chemosis ...
Fracasso T - - 2006
A 31-year-old woman was found dead by her daughter, lying in the living room which showed a large pool of blood, secondary droplets and stains from arterial blood spatter, dropping and contact. This bloody scene and two puncture wounds at the anterior aspect of the neck, one of them transecting ...
Tulis D A - - 2005
Recent studies indicate that systemic induction of heme oxygenase-1 (HO-1), which oxidatively degrades heme into iron, biliverdin, and carbon monoxide (CO), or adenoviral-mediated gene transfer of HO-1 inhibits neointima formation after experimental vascular injury. In the present study, we investigated whether the acute, local administration of the HO-1 product, CO, ...
Cyron Kristen - - 2005
A potentially serious consequence associated with blunt force trauma to the neck is an injury to the carotid artery. Initially the blunt carotid injury may be missed or it may be delayed in presentation; therefore one must have a heightened index of suspicion when considering the patient's mechanism of injury. ...
Miller-Thomas Michelle M - - 2005
Computed tomographic (CT) angiography is a reliable and convenient imaging modality for diagnosing arterial injuries after blunt and penetrating trauma to the extremities. It is a noninvasive modality that could replace conventional arteriography as the initial diagnostic study for arterial injuries after trauma to the extremities. The technique requires scanning ...
Yong R L - - 2005
Carotid and vertebral artery dissections from blunt cervical trauma are uncommon injuries that in recent years are becoming increasingly recognized as a result of angiographic screening protocols in trauma patients. Traumatic carotid cavernous fistulas are even less common events, but represent the most common intracranial vascular anomaly after head injury. ...
Bub Lawrence D - - 2005
BACKGROUND: Digital subtraction angiography (DSA) has been widely considered the "gold standard" for diagnosing blunt cerebral vascular injury, but recent advances in multidetector computed tomographic angiography (CTA) may have led to improved accuracy compared with DSA. METHODS: A retrospective study of patients who underwent CTA and DSA for suspected blunt ...
Lee Chi-Ho - - 2005
Some replanted fingers show occlusion of the anastomosed arteries, although they are successfully replanted and ultimately survive. They seem to be perfused by the soft-tissue vasculature and not by the anastomosed arteries. Therefore, this study was designed to investigate the fate of microanastomosed digital arteries after successful replantation. The authors ...
Dorobisz A T - - 2005
Iatrogenic trauma of the carotid artery (CA) is a dangerous intraoperative complication, especially during oncological and endocrinological procedures. In these cases massive hemorrhage and severe neurological complications may occur. The outcome of reconstructive procedures is often fatal because of the long delay of surgery after the injuries occuring in non-vascular ...
Bloch K E - - 2005
A free running circadian rest-activity cycle is rare in sighted individuals living in a normal environment. Even more rare is a periodicity shorter than 24 hours, as observed in actigraphic recordings in a female patient during convalescence after a whiplash injury in a car accident. The documented free running period ...
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