Search Results
Results 251 - 300 of 441
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Lee H C - - 1994
A 61-year old Hispanic woman with a history of primary antiphospholipid syndrome with pulmonary emboli and who was status post a vena caval filter placement to prevent recurrent pulmonary emboli, presented with acute onset of right upper quadrant abdominal pain. Acute cholecystitis was diagnosed and she underwent a surgically uncomplicated ...
Fluter G G - - 1993
Supraventricular tachycardia as a presenting sign of pulmonary embolism is unusual. A 31-year-old man with incomplete T11 paraplegia on the basis of spinal cord ischemia developed supraventricular tachycardia 37 days after surgery to repair an aortic tear. Subsequent work-up revealed evidence of multiple submassive pulmonary emboli, despite thromboembolism prophylaxis. Clinicians ...
Hurley J P - - 1993
Pulmonary embolectomy maybe a life saving procedure in the unresponsive hypotensive patient following a massive pulmonary embolectomy despite optimal medical therapy. We report a successful pulmonary embolectomy in a 47 year old patient, three days post post coronary artery bypass grafting (CABG) and a new approach to the problem of ...
Markus H - - 1993
BACKGROUND: The identification of gaseous emboli using Doppler ultrasound was described as early as the 1960s. Recently it has been demonstrated that this method can also detect solid emboli such as thrombi and platelet aggregates. This may make this technology useful in a large number of patients with, or at ...
Schmitz-Rode T - - 1993
A new catheter system for rapid percutaneous fragmentation of pulmonary emboli was tested in nine dogs. The system consisted of a high-speed rotating impeller, placed within the center of a self-expandable basket. Preformed radiopaque emboli were introduced via the right external jugular vein. In nine tests in five dogs, a ...
Shepard J A - - 1993
The diagnosis of pulmonary intravascular tumor emboli is difficult to establish both clinically and on conventional radiographic studies. Between 1985 and 1991, four cases of pulmonary intravascular metastases were demonstrated on computed tomographic (CT) scans from among 14,000 CT scans of the chest. A retrospective study of these cases was ...
Sniderman K W - - 1993
Percutaneous aspiration thromboembolectomy (PAT) for management of a spontaneous arterial embolus, or following a complication of balloon angioplasty, was initially described in 1984. Instrument developments using a new clot aspiration system have facilitated this procedure. We report a case where PAT was successful in retrieving a spontaneous arterial embolus, and ...
Chandler C - - 1993
Malignant arterial tumor emboli large enough to cause ischemia or organ infarction are a rare, but often fatal, complication of neoplastic disease. The majority of arterial emboli are associated with primary or secondary pulmonary malignancies. The sites where they impact are similar in distribution to arteriosclerotic emboli, and the treatment ...
Barker J H JH Department of Surgery, University of Louisville School of Medicine, - - 1993
In recent studies we demonstrated that platelet emboli induced by arterial injury impair the microcirculation. The present study was performed to determine if heparin or dietary cod liver oil reduces the incidence of emboli following the same arterial injury and, in turn, whether these agents prevent the associated decrease in ...
Berkenwald A D - - 1993
A case of brachial artery embolism presenting as ischemic coronary artery disease is presented. The patient presented with sudden onset of left arm pain, shortness of breath, nausea, vomiting, and diaphoresis. Initial relief with sublingual nitroglycerin was seen. With further evaluation, a brachial artery embolus was diagnosed, and an embolectomy ...
Spencer D D - - 1993
Systemic arterial tumor embolization is a rare complication after pulmonary resection. It may occur with primary or metastatic pulmonary malignancies, and is more frequently associated with pneumonectomy than with lesser pulmonary resections. Despite the rarity of this complication, tumor emboli should be considered in the etiology of extremity, cerebral, or ...
Johnson M E - - 1992
Massive pulmonary embolism represents a small percentage of patients presenting to the emergency department with clinical symptoms suggestive of embolic phenomenon. Definitive therapy with thrombolytics or embolectomy is usually delayed until angiographic verification of the clinical suspicion can be obtained. A case is described in which embolectomy was based on ...
Rubin B G - - 1992
We report a case acute lower extremity ischemia caused by emboli in which the initial diagnostic evaluation, including standard aortoiliofemoral arteriography and routine transthoracic two-dimensional echocardiography, failed to reveal the offending source. Because of the strong clinical suspicion that the origin of the arterial occlusion was embolic, transesophageal echocardiography was ...
Auger W R - - 1992
The pulmonary angiograms of 250 patients evaluated for chronic thromboembolic pulmonary hypertension were reviewed. Pulmonary thromboendarterectomy was performed in each of these individuals, and the surgical findings were correlated with abnormal angiographic patterns. The pulmonary angiographic findings suggestive of chronic thromboembolic disease included "pouching" defects, webs or bands, intimal irregularities, ...
Wagner H J - - 1992
Percutaneous aspiration embolectomy (PAE) was performed on acute embolic occlusions of infrainguinal arteries unrelated to percutaneous transluminal angioplasty or chronic atherosclerotic arterial occlusive disease. Of 102 patients, most (62.7% [n = 64]) had limb-threatening ischemia (stages III and IV according to the Fontaine classification); 86.3% (n = 88) had cardiac ...
Ramp U - - 1992
Primary tumours of the pulmonary arteries are rare neoplasms seldom diagnosed during the patient's life time. We report on two cases of pulmonary artery sarcomas diagnosed during life time of the respective patients in intra-operative frozen sections by histopathological examination. Case 1 was of a 55-year-old man with a fibrosarcoma ...
Waters D J - - 1992
Deep venous thrombosis and pulmonary thromboembolism remain major sources of patient morbidity and mortality. The authors present the case of a 55-year-old man with a massive pulmonary embolism and subsequent hemodynamic decompensation who was successfully treated by open pulmonary embolectomy supported with cardiopulmonary bypass. Indications for embolectomy and patient selection ...
Hunter J J - - 1991
Pulmonary embolus-in-transit represents an important cause of morbidity and mortality in the critically ill patient. Unexplained shock and acute pulmonary hypertension were evaluated with echocardiography. Standard transthoracic echocardiography failed to identify a large embolism-in-transit that was easily visualized by transesophageal imaging. A review of the literature involving emboli-in-transit suggests that ...
Roosen N - - 1991
Primary Ewing's sarcoma of the calvarial skull was diagnosed in a 10-years-old girl. Detailed angiographical investigations were performed in this large tumor, and although the larger part of the neoplasm was supplied by the external carotid artery, an unusual feature was the presence of a very thick arterial feeder, originating ...
Kieny R - - 1991
From 1.1970 to 31.12.1989, 134 patients with pulmonary embolism were treated by pulmonary embolectomy (74 women and 60 men) of mean age 55 years (23-78 years); 93 (69%) of these patients developed embolism during the postoperative period following surgery for another condition. In 12 cases the embolectomy was performed without ...
Goodman P C - - 1991
An aggressive form of Kaposi's sarcoma has been reported in patients with acquired immunodeficiency syndrome. Although pulmonary symptoms may constitute the initial complaint, Kaposi's sarcoma is generally detected because of cutaneous lesions. The chest radiograph reveals a distinctive, poorly marginated, nodular pattern in the lungs. Coarse, linear densities are also ...
Brewster D C - - 1991
Acute arterial occlusion resulting in limb ischemia may be caused by a diverse array of conditions but most often is the result of an arterial embolism or thrombosis of a previously diseased vessel. Differentiation of these two primary entities may be difficult, but a careful history, thorough physical examination, and ...
Lee V W - - 1991
Pulmonary Kaposi sarcoma associated with acquired immunodeficiency syndrome (AIDS) is difficult to diagnose because the clinical presentations and radiographic findings are nonspecific. The authors report three proved cases of AIDS-associated pulmonary Kaposi sarcoma diagnosed with sequential thallium and gallium scans. These scans demonstrated abnormal increase of pulmonary thallium uptake, whereas ...
Chau K Y - - 1991
A retrospective study of autopsied material in the last 15 yrs is documented an increasing incidence of pulmonary thromboembolism (PTE) in Hong Kong Chinese. The incidence of significant PTE increased from 0.58% in the first 5 yr period to 2.08% in recent years. The topographic features and characteristics of these ...
Deleuze P - - 1991
This case report describes a patient with massive pulmonary embolism and acute circulatory failure in whom transesophageal echocardiography permitted the diagnosis of thrombi in the main pulmonary truncus and in the right branch and guided intraoperatively the surgical embolectomy performed under simple venous inflow occlusion because of a contraindication to ...
Boulafendis D - - 1991
Pulmonary embolectomy under total cardiopulmonary bypass was carried out in 16 patients with cardiogenic collapsus and hypotension not responding to vasopressors or cardiac arrest. Eleven patients (68.75%) survived and were followed up for years. Our observations are presented with special emphasis on the early and accurate diagnosis, the exact timing ...
Kanke M - - 1991
Indium-111-labeled monoclonal antibody 64C5 specific for the beta-chain of fibrin monomer was used to image canine (n = 6) experimental pulmonary emboli (at least one barium-thrombin and one copper-coil induced clot per dog). Uptake of 111In-64C5 and 125I-control-DIG26-11 were compared in 10 clots (7 barium-thrombin and 3 copper-coil) identified in ...
Vohra R - - 1991
A review of 46 episodes of arterial emboli to the arm in 44 patients is presented. Two-thirds of cases were of cardiac origin whereas subclavian artery abnormality was responsible for 14%. Thirty-six per cent had axillary occlusion, 52% had a brachial lesion, and the lesion was distal to the elbow ...
van der Linden J - - 1991
The transcranial Doppler technique enabled the detection of cerebral air emboli in 10 of 10 patients during open-heart valve operations despite standard deairing procedures. With this technique, the occurrence of emboli in the right middle cerebral artery was followed continuously in patients undergoing aortic or mitral valve replacement. Membrane oxygenators ...
Russell D - - 1991
The purpose of this study was to develop an animal model that could be used to test the ability of Doppler ultrasound to detect arterial emboli composed of materials that are often involved in cerebral emboli. Emboli introduced into the rabbit aorta via the left renal artery consisted of clotted ...
Gu J M - - 1991
To answer the question "Are more emboli produced after a small artery anastomosis has been performed poorly?", we used the isolated rat cremaster muscle. The number of emboli seen downstream from a small artery anastomosis were counted after using two anastomotic techniques. Direct observations using intravital microscopy of emboli passing ...
Iversen S - - 1991
Primary sarcomas of the pulmonary arteries are rare, and the diagnosis is in the majority of the reported cases established postmortem. Surgical resection of these centrally located tumors has been performed either by pneumonectomy and/or local tumor resection. We report on two patients with sarcomas of the central pulmonary arteries ...
Walley V M - - 1991
Three groups of patients were examined at autopsy for the presence of fat and marrow emboli in the lungs, heart, and other organs. Group 1 was composed of patients with massive pulmonary thromboembolism and attempted cardiopulmonary resuscitation; group 2, patients with pulmonary thromboembolism and without attempted cardiopulmonary resuscitation; and group ...
HaƄski W - - 1991
The identification of emboli of the pulmonary arterioles with foreign bodies by means of morphologic examination was made in 5 infants aged from 8 days to 5 months. Positive results of special staining procedures of foreign bodies, particularly when applying for the first time a dye Siriusrot F3B, used in ...
Massad M - - 1990
A collective review of 20 cases of missile embolization among children (1961 to 1988) is analyzed, one case added, and guidelines for diagnosis and management are outlined. Causative agents were bullets (14 patients), pellets (5), and fragments (2). Their trajectory was arterioarterial (11), venovenous (5), paradoxical (4), and mixed (1). ...
LaRue M J - - 1990
Medical records of 47 dogs with pulmonary thromboembolism were reviewed. Middle-aged to older dogs predominated and dyspnea and arterial hypoxemia were consistent clinical findings. Thoracic radiographic findings were variable. Cardiac disease, neoplasia, hyperadrenocorticism, disseminated intravascular coagulation, and sepsis were identified most frequently. Multiple disease processes were identified in 64% of ...
Pollanen M S - - 1990
The mechanism for the preferential distribution of emboli to cerebral arterial borderzone regions, known to cause some watershed infarcts was studied. We hypothesized that emboli of a specific size range are selectively directed to the arterial borderzones due to the tendency of emboli to bypass the small arterial branches which ...
Bosma H W - - 1990
In a retrospective study, 154 embolectomies in 135 patients with acute arterial occlusion were reviewed and the value of intraoperative arteriography studied. Included in the study were 69 embolectomies of the femoro-popliteal artery in 64 patients, and in 40 (58%) intra-operative arteriography was performed. Of these, 20 were done because ...
Redmond M L - - 1990
Primary pulmonary artery sarcoma classically presents with symptoms and findings suggestive of acute pulmonary artery occlusion. An angiocentric mass or the finding of spindling neoplasm on needle biopsy should suggest this neoplasm. The rare unilateral location in the present case permitted resection by pneumonectomy. An endarterectomy technique was used to ...
Meyer J A - - 1990
A surgical approach to embolectomy from the pulmonary artery had been worked out in laboratory animals prior to 1908 by Friedrich Trendelenburg, professor of surgery and director of the University Surgical Clinic at Leipzig, Germany. His technique was based on limited opening of the left side of the chest directly ...
Fong J - - 1990
The incidence of venous emboli during cesarean section was studied using simultaneous precordial ultrasonic Doppler monitoring and two-dimensional echocardiography. Forty-nine patients receiving either general or continuous epidural anesthesia in the horizontal position were monitored with both Doppler monitoring and echocardiography. There was excellent correlation between the embolic events detected by ...
Raby N - - 1990
Lower limb ischaemia as the only or main clinical manifestation of aortic dissection is a rare event. Two cases are presented where this occurred resulting in attempted embolectomy before the correct diagnosis was made. The diagnosis should be considered when embolectomy fails to retrieve thrombus and when angiography demonstrates spiral ...
Wyffels P L - - 1990
Fifty-five acutely ischemic lower extremities, in 35 patients, which remained ischemic after standard thrombectomy/embolectomy techniques were further treated with distal tibial/peroneal thrombectomy/embolectomy by ankle level arteriotomy to increase limb salvage. A total of 84 infrapopliteal arteries were explored and thromboembolectomy performed in 79. The precipitating ischemic event was arterial embolus ...
Soares F A - - 1990
Involvement of the pulmonary vessels by tumor emboli has been described from different primary sites of malignancy. A case of pulmonary tumor embolism due to squamous cell carcinoma of the vulva is reported. This form of pulmonary involvement has not previously been described in cases of vulvar carcinoma and it ...
Webber M M - - 1990
The McNeil, Biello, and newly proposed PIOPED (from the National Institutes of Health-sponsored study, Prospective Investigation of Pulmonary Embolism Detection) interpretive methods for detection of pulmonary embolism on lung scans were compared in 96 patients who also underwent pulmonary angiography. Segmental findings on 99mTc perfusion and aerosol ventilation scans, chest ...
Beckingham I J - - 1990
Brachial emboli account for only 18% of arterial emboli and present as an uncommon emergency to surgeons. We have examined the route taken and probable outcome of arterial embolectomy of the upper limb in 31 cadaveric limbs using standard and Coude tipped embolectomy catheters. Using a standard embolectomy catheter, the ...
Krüger I - - 1990
Primary sarcoma of the pulmonary artery is a rare tumor which must be considered in differential diagnosis of pulmonary embolism. The data of the 93 cases published up to now is evaluated synoptically after a report on a primary sarcoma of the pulmonary artery. Modern diagnostic imaging methods (pulmonary DSA, ...
Leeson M C - - 1990
Leiomyosarcomas (LS) are relatively uncommon soft-tissue sarcomas that occasionally involve the extremities. LS are usually tumors of adults and most often involve the gastrointestinal tract and uterus. When a soft-tissue sarcoma is suspected, comprehensive preoperative staging studies are an important part of the diagnostic and therapeutic management. With the use ...
Michelassi F - - 1990
The rarity of bullet emboli leads to frequent delays in diagnosis and inadequate early management. Our recent experience with this entity is described, and 153 cases reported in the English-language literature are reviewed and summarized. The majority of cases occurs as a consequence of civilian violence among men in their ...
Kimura I - - 1990
A 44-year-old woman was hospitalized for nonproductive cough. Chest roentogenogram revealed a calcified nodular mass at the right hilum. The patient was treated as tuberculosis of the hilar lymph node, however, her symptoms exacerbated within a year. A tumor obstructing the right main stem bronchus was demonstrated on bronchofiberscopic examination. ...
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