Search Results
Results 301 - 350 of 1385
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Ragni Margaret V - - 2009
PURPOSE OF REVIEW: The potential impact of helical computerized tomography (CT) on earlier diagnosis and earlier treatment of pulmonary embolism and improved health outcomes is significant. The purpose of this review is to summarize the state-of-the-art of radiographic pulmonary embolism detection and consider future directions to reduce this significant public ...
Lee Edward Y - - 2009
OBJECTIVE: A potential advantage of pulmonary CT angiography (CTA) is its ability to show alternative diagnoses in patients without evidence of pulmonary embolism (PE), but the frequency and spectrum of alternative diagnoses have yet to be determined in the pediatric population. Our purpose was to determine the frequency and types ...
White Richard H - - 2009
PURPOSE OF REVIEW: To summarize recent studies that have quantified the incidence of death due to late thromboembolic disease among patients initially diagnosed with acute unprovoked pulmonary embolism. These findings will aid clinicians who must weigh the risk versus the benefits of long-term anticoagulant therapy. RECENT FINDINGS: The incidence of ...
Anderson David R - - 2009
PURPOSE OF REVIEW: The purpose of this review is to focus on recent research that has addressed the relative merits of computed tomographic pulmonary angiography (CTPA) and ventilation perfusion (V/Q) scanning for the diagnosis of pulmonary embolism. RECENT FINDINGS: Computed tomographic pulmonary angiography is the most sensitive test for the ...
Burns Karen E A - - 2009
Central venous catheters (CVCs) are commonly used in clinical practice. One of the foremost complications associated with their use is the potential for symptomatic or asymptomatic thrombosis. CVC thrombosis, in turn, may not only result in vascular and catheter occlusion but also infection, pulmonary embolism, and formation of right heart ...
Ito Kimiteru - - 2009
OBJECTIVE: The purpose of this study was to evaluate the usefulness of 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET) in differentiating pulmonary artery sarcoma from pulmonary embolism. MATERIALS AND METHODS: We evaluated three patients with pulmonary artery sarcoma and 10 patients with proximal pulmonary embolism (6 men and 7 women, ranging ...
Zhou Chuan - - 2009
The authors are developing a computer-aided detection system for pulmonary emboli (PE) in computed tomographic pulmonary angiography (CTPA) scans. The pulmonary vessel tree is extracted using a 3D expectation-maximization segmentation method based on the analysis of eigen-values of Hessian matrices at multiple scales. A parallel multiprescreening method is applied to ...
Krueger Antonio - - 2009
Balloon kyphoplasty and percutaneous vertebroplasty are relatively recent procedures in the treatment of painful vertebral fractures. There are, however, still some uncertainties about the incidence and treatment strategies of pulmonary cement embolisms (PCE). In order to work out a treatment strategy for the management of this complication, we performed a ...
Mutirangura Pramook - - 2009
BACKGROUND: The primary treatments of acute arterial embolism and acute arterial thrombosis are different. The clinical differentiation of the two diseases at initial stage can provide the efficient treatment of acute limb ischemia. OBJECTIVE: Identification of the clinicalfactors significant for the differentiation between acute arterial embolism and acute arterial thrombosis ...
Goldhaber S Z - - 2009
The optimal treatment strategy for acute pulmonary embolism relies upon a multidisciplinary team that rapidly assesses available data, performs additional testing if necessary, weighs treatment options, and recommends an appropriate therapeutic plan to the patient and family. Round-the-clock availability is imperative. Centers that specialize in pulmonary embolism management offer a ...
Juneja Deven - - 2009
Results of the PROWESS trial suggested that heparin may reduce the efficacy of recombinant human activated protein C (rhAPC) and the XPRESS study also showed increased bleeding complications in patients receiving heparin with rhAPC. Although it has been shown that heparin prophylaxis may be used along with rhAPC, no study ...
Tardy B - - 2009
By considering studies where a mixing of patients with and without shock, with or without invasive procedure, treated with various thrombolytic agents through different ways of infusion, have been included, current meta-analyses on thrombolysis efficacy in Pulmonary embolism (PE) are of limited value. Modern management of PE includes the use ...
Choi Won-Ho - - 2009
Many prognostic models have been developed to help physicians make medical decisions on treating patients with pulmonary embolism. Among these models, the Pulmonary Embolism Severity Index (PESI) has been shown to be a successful risk stratification tool for patients with acute pulmonary embolism. The PESI, however, had not been applied ...
Vilkki S K - - 2009
The aim was to evaluate the achieved patency rates and to compare directional Doppler with angiography in the assessment of the vascular patency. Two different methods were used in evaluation of the vascular function of reconstructed fingers and hands. Directional Doppler mapping of anastomosed arteries was compared with conventional angiographical ...
Blondon Marc - - 2009
BACKGROUND: Acute pulmonary embolism (PE) is a life-threatening condition that has been treated with anticoagulation for almost 50 years. OBJECTIVES: To review the current treatment options for PE and discuss recently published new features. METHODS: We reviewed literature involving the treatment strategies for venous thromboembolism (VTE) and in particular pulmonary ...
Abunasser Jafar - - 2009
A 62-year-old asymptomatic woman was found to have a left pulmonary artery filling defect on a contrast computerized tomography scan of the chest. Workup revealed a diagnosis of left pulmonary artery sarcoma. Pulmonary artery sarcomas are rare tumors with poor prognosis. A high index of clinical suspicion is required to ...
Cusick L A - - 2009
We studied 4253 patients undergoing primary joint replacement between November 2002 and November 2007, of whom 4060 received aspirin only as chemical prophylaxis; 46 were mistakenly given low molecular weight heparin initially, which was stopped and changed to aspirin; 136 received no chemoprophylaxis and 11 patients received warfarin because of ...
Shah A K - - 2009
Pulmonary embolism (PE) is a common and potentially fatal condition. The case is presented of a young woman who presented to the emergency department with first-time seizures. On further investigation and corroborated by post-mortem findings, this was found to be a manifestation of PE. The purpose of this report is ...
Kim Yeo Ju - - 2009
PURPOSE: To prospectively evaluate the incidence of, characteristics of, and risk factors for pulmonary cement embolism after percutaneous vertebroplasty (PVP) in osteoporotic vertebral compression fractures (VCFs). MATERIALS AND METHODS: Institutional review board approval and written informed consent were obtained. From June 2006 to September 2007, 75 patients (57 women, 18 ...
Cadeddu Christian - - 2009
Percutaneous vertebroplasty (PVP) is a therapeutic, interventional radiological procedure involving bone cement injection into a vertebral body. Although PVP is considered a minimally invasive procedure, cement leakage into the perivertebral venous system can occur with its migration towards the right heart and the pulmonary circulation. We report a case of ...
Wu Jian-Jun - - 2009
Pulmonary and cerebral lipiodol embolism after transcatheter arterial chemoembolization (TACE) of hepatocellular carcinoma is rare. To our knowledge, only 7 cases have been reported in the literature. We present a case of pulmonary and cerebral lipiodol embolism, and analyzed retrospectively the imaging and clinical data of the patient and conclude ...
Kotoulas Christophoros - - 2009
We report a case of a 53-year-old male who presented with thoracodynia three months after right pneumonectomy. Chest CT-scan demonstrated thrombus at the pulmonary artery stump without any other abnormal finding. He was treated successfully with acenocoumarol. We present this case analyzing the possible causes and discussing the treatment.
Turgut Okan - - 2010
Free-floating intracardiac thrombi represent a severe yet uncommon condition and mostly coexist with thromboembolism. Notably, mobile right heart thrombus can occur in patients with massive pulmonary embolism. Early diagnosis and management can be life-saving. Spontaneous atrial thrombosis due to restrictive cardiomyopathy has also been rarely reported. We describe here an ...
Takahashi Yosuke - - 2009
We describe a case of successful surgical treatment for spontaneous rupture of an iliac artery aneurysm into a ureter. An 80-year-old man was admitted with massive hematuria. Immediate enhanced abdominal computed tomography scan and cystoscopy were suspicious for a uretero-arterial fistula caused by aneurysmal rupture. Emergent surgical intervention was performed ...
Hassan Ali M - - 2009
Vascular embolization of a projectile discharged from a weapon is a rare event. In this report a hunter's errant gunshot struck a farmer in the left chest. The projectile was lodged between the apex of the heart and the diaphragm. The patient was treated non-operatively and was discharged home only ...
Demircan Ahmet - - 2009
Despite the high incidence of pulmonary embolism its diagnosis continues to be difficult, primarily because of the vagaries of symptoms and signs in presentation. Conversely, syncope is a relatively easy clinical symptom to detect, but has varied etiologies that lead to a documented cause in only 58% of syncopal events. ...
Gimber Lana Hirai - - 2009
Context: Pulmonary computed tomography angiography (CTA) and the Wells criteria both have interobserver variability in the assessment of pulmonary embolism (PE). Quantitative D-dimer assay findings have been shown to have a high negative predictive value in patients with low pretest probability of PE.Objective: Evaluate roles for clinical probability and CTA ...
Lachiewicz Paul F - - 2009
A work group of the American Academy of Orthopaedic Surgeons, with the assistance of the Center for Clinical Evidence Synthesis at Tufts-New England Medical Center, has proposed a guideline for the prevention of symptomatic (and fatal) pulmonary embolism in patients undergoing total hip and knee arthroplasty. This guideline includes recommendations ...
Profitlich Laurie - - 2009
We describe a 3-year-old Hispanic male with cblC-type methylmalonic aciduria and homocystinuria who presented to the emergency department with progressive tachypnea, vomiting, and edema secondary to pulmonary embolism and cor pulmonale. With aggressive medical management, there was complete resolution of right heart failure and pulmonary hypertension after 3 months. Pulmonary ...
Caynak Baris - - 2009
Percutaneous vertebroplasty is a useful and safe therapeutic intervention to stabilize vertebral fractures. Rarely, cement leakage into the paravertebral venous system may result in embolization of its particles into the right cardiac chambers and pulmonary artery. We experienced a case of a 64-year-old woman who was diagnosed through echocardiography as ...
Eriguchi M - - 2009
In this report, we describe a patient who contracted fatal cryptococcosis after the induction of hemodialysis. A 76-year-old man was hospitalized to initiate hemodialysis. On admission, clinical findings showed no signs of any infections, and hemodialysis was inducted favorably. On the 6th hospital day he suddenly had a dyspnea and ...
Ahmad Amir - - 2009
We describe a case which highlights the difficulties in diagnosing pulmonary embolism as it can mimic other conditions. In a patient with chest pain with raised troponin, a diagnosis of pulmonary embolism should also be considered as well if the clinical picture does not fit with myocardial infarction. Otherwise, the ...
Madhusudhan Thayur R - - 2009
Fatal pulmonary embolism following a shoulder joint replacement is a rare event. The exact prevalence of shoulder arthroplasties is not clear. Unlike hip and knee joint replacements where some form of thromboprophylaxis is routinely prescribed, no such guidelines and practice exist for shoulder replacements. Other case reports have confirmed fatal ...
Todd Keith - - 2009
The diagnosis of acute pulmonary embolism has always been challenging. However, it has recently been greatly assisted through advances in radiological imaging. While imaging techniques are widely available, they cannot always be utilized. We report a case of acute pulmonary embolism in a patient with several prior pulmonary resections that ...
Kridel Robert - - 2008
We report the case of a 49-year-old woman with a prior history of breast cancer who presented with a subacute course of progressive dyspnoea, culminating in cardiovascular collapse from acute right heart failure. D-dimer serum level was elevated. While a computed tomography of the chest was negative for pulmonary embolism, ...
O'Callaghan D S - - 2008
Primary cardiac angiosarcoma is a rare tumor that may present with features mimicking venous thromboembolic disease, making the diagnosis particularly challenging. Without a high index of suspicion, the majority of cases will remain undetected until the disease is advanced. As a result, the outlook for most patients remains dismal even ...
Lang Irene M - - 2008
PURPOSE OF REVIEW: Venous thromboembolism is a spectrum of disease comprising deep vein thrombosis, thrombus in transit, acute pulmonary embolism, and chronic thromboembolic pulmonary hypertension (CTEPH) as a rare and late possible sequela. RECENT FINDINGS: On the basis of a prospective long-term study, the incidence of CTEPH is estimated at ...
Mosquera Victor X - - 2008
Thrombus formation can be a significant cause for morbidity and mortality after Fontan operation. Intracardiac thrombus formation can lead to chronic pulmonary embolic disease if formed on the right side, or stroke, if on the left side of the heart. Right-sided embolism may result in ventilation/perfusion mismatch or elevation of ...
Anderson David R - - 2008
The role of ultrasonography of the lower extremities for the evaluation of patients with suspected pulmonary embolism has become more clearly defined with time. Ultrasonography is a useful first-line test for pulmonary embolism in clinical circumstances in which radiographic imaging is contraindicated or not readily available (eg, pregnancy). Ultrasonography is ...
Miniati Massimo - - 2008
In this article, we review the evolution of scintigraphy for the diagnosis of acute pulmonary embolism (PE). We begin with perfusion (Q) scintigraphy, review the development of diagnostic systems that combine ventilation (V) scintigraphy and chest radiography with the Q scan, and describe in detail the Prospective Investigative Study of ...
Jeltsch Martin - - 2008
OBJECTIVE: The purpose of this study was to analyze the pulmonary vessel enhancement obtainable using high-density contrast material and saline flushing with automated bolus tracking for multidetector-row computed tomographic (MDCT) pulmonary angiography in a routine clinical setting. METHODS: Attenuation values of pulmonary vessels were retrospectively measured in 51 CT scans ...
Dias-Junior Carlos A - - 2008
Acute pulmonary embolism produces acute pulmonary hypertension, which can be counteracted by activating the nitric oxide-cyclic guanosine 3',5'-monophosphate (cGMP) pathway. While previous studies have shown that sildenafil (an inhibitor of cGMP-specific phosphodiesterase type 5) or nitrite (a storage molecule for nitric oxide) produces beneficial effects during acute pulmonary embolism, no ...
Serefhanoglu Kivanc - - 2008
A 24-year-old female was admitted to an infectious diseases unit with complaints of dyspnea and fever. She had suffered from multiple episodes of fever for 1 year. The diagnostic workup revealed multiple pulmonary nodules on the chest CT scan, suggesting septic pulmonary embolism, and a periapical abscess around the maxillary ...
Austin Luke - - 2008
Total joint arthroplasty (TJA) is categorized as a major risk factor for thromboembolic complications. The importance of hypoxemia during the postoperative period is subject of controversy. This prospective study elucidates the incidence and etiology of hypoxemia after TJA. Furthermore, we intended to assess the predictive value of clinical findings in ...
Prytuła A - - 2008
Pulmonary N-butyl-2-cyanoacrylate embolism is one of the potential risks associated with endoscopic obliteration of fundic gastric varices. Due to its uncommon nature, especially in children, no consensus has been proposed on its optimal management. An 11-year-old boy with a longstanding history of lung- and liver fibrosis with portal hypertension causing ...
Pala Selcuk - - 2009
A 78 year-old woman presented with a history of 15 days of dyspnea and tachypnea at rest. A distended right ventricle with free-wall hypokinesis and displacement of the interventricular septum toward the left ventricle were shown on echocardiography. The patient suddenly arrested. She underwent cardiac catheterization and selective pulmonary angiography ...
Jönsson Anna K - - 2008
To determine the association between fatal pulmonary embolism and use of antipsychotic drugs in a Swedish medicolegal autopsy series. Persons aged 18-65 years and subjected to a medicolegal autopsy in 1992-2005 were selected. On the basis of external cause of death, determined by the forensic pathologist, unnatural deaths (including fatal ...
Wu Den-Ko - - 2008
BACKGROUND: The main pulmonary arterial (PA) distensibility in patients with pulmonary hypertension (PH) and pulmonary embolism (PE) is uncertain. METHODS AND RESULTS: We enrolled 45 patients with echocardiographic signs of PH and without imaging evidence of PE, and another 45 who were found by multidetector-row computed tomography to have PE. ...
Meyer Guy - - 2008
PURPOSE OF REVIEW: Until recently, little was known about the long-term outcome of pulmonary embolism. Long-term mortality and recurrence rates, the case fatality rate of recurrent events, and the frequency of persistent vascular defects remained largely unknown. Improvements in our knowledge of these aspects may help to define the optimal ...
Haller Ingrid - - 2008
Versatile particles from transcatheter embolization may accidentally enter the pulmonary circulation, causing severe pulmonary embolism. A 36-yr-old woman patient suffering from an arteriovenous malformation in the left shoulder underwent embolization with micro coils, N-butyl-2-cyanoacrylate/lipiodol and polyvinyl alcohol particles. During embolization, acute onset of tachycardia, hypotension, and decline in oxygen saturation ...
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