(n.) Something inserted, as a wedge; the piston or sucker of a pump or syringe.
(n.) A plug of some substance lodged in a blood vessel, being brought thither by the blood current. It consists most frequently of a clot of fibrin, a detached shred of a morbid growth, a globule of fat, or a microscopic organism.
Example Sentences:
(1) Local embolism, vertebral distal-stump embolism, the dynamics of hemorrhagic infarction and embolus-in-transit are briefly described.
(2) Paradoxical embolus to the right coronary artery was demonstrated premorbidly and at autopsy.
(3) The case of a patient with a hepatic vein bullet embolus complicating a left ventricular gunshot injury is described.
(4) It was concluded that the mixture is much more satisfactory than the conventional cyanoacrylates as an embolus material in vitro.
(5) There was a 12.6% incidence of pulmonary embolism, but only 1.9% of all patients developed a symptomatic pulmonary embolus.
(6) The common lung or pulmonary perfusion scan using macroaggregates of albumin or microspheres radiolabeled also gives information as to the presence of thrombosis of embolus within the pulmonary arteries, by showing the effect upon the perfusion pattern.
(7) A deep venous thrombosis or pulmonary embolus was found in 1.7% and was no less common in the 25% of the patients who received pharmacologic anticoagulation.
(8) If the source of the embolus can be located, medical or surgical therapy may be able to prevent the occurrence of further strokes.
(9) The total incidence of postoperative pulmonary embolus was 3.2%, with two-thirds asymptomatic and one-third symptomatic pulmonary emboli.
(10) A missile embolus, an extremely rare lesion, presents an unusual and challenging problem for the clinician.
(11) Failure to define a source of embolus kept them in the category of IUC.
(12) Anticoagulants have not been administered postoperatively, and one patient has had a systemic embolus.
(13) Low AA and low H-AA (Pattern D) developed in sera of eight patients with thrombophlebitis and seven patients with pulmonary embolus.
(14) Many patients who suffer a massive pulmonary embolus die despite emergent therapy.
(15) While traditional causes of occlusion (saddle embolus and thrombosis) are the most frequent, vasculitis and hypercoagulable states have recently been suggested as etiologies.
(16) In 9 cases, it was an air embolus, in 4 others an atheromatous embolus.
(17) The thrombolytic and pharmacokinetic properties of staphylokinase were compared with those of streptokinase in hamsters with a pulmonary embolus produced from human plasma or from hamster plasma, and in rabbits with a jugular vein blood clot produced from rabbit blood.
(18) From this an embolus may detach to the right hemisphere of the brain resulting in left sided hemiplegia.
(19) The mortality with modern therapy was 12%, and the major complication was cerebral embolus.
(20) In Group A the detection of air embolus varied from 6% using an oesophageal stethoscope to 58% by the Doppler method.
Thrombosis
Definition:
(n.) The obstruction of a blood vessel by a clot formed at the site of obstruction; -- distinguished from embolism, which is produced by a clot or foreign body brought from a distance.
Example Sentences:
(1) This should not be a serious limitation to the application of the RIA in the detection of venous thrombosis.
(2) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
(3) At present it may be concluded that ORT per se does not place the postmenopausal women at greater risk from developing arterio-venous thrombosis.
(4) Of great influence on the results of measurements are preparation and registration (warm-up-time, amplification, closeness of pressure-system, unhurt catheters), factors relating to equipment and methods (air-bubbles in pressure-system, damping by filters, continuous infusion of the micro-catheter, level of zero-pressure), factors which occur during intravital measurement (pressure-drop along the arteria pulmonalis, influence of normal breathing, great intrapleural pressure changes, pressure damping in the catheter by thrombosis and external disturbances) and last not least positive and negative acceleration forces, which influence the diastolic and systolic pulmonary artery pressure.
(5) We describe 10 patients with cerebral venous thrombosis: two had protein S deficiency, one had protein C deficiency, one was in early pregnancy, and there was a single case of each of the following: dural arteriovenous malformation, intracerebral arteriovenous malformation, bilateral glomus tumours, systemic lupus erythematosus, Wegener's granulomatosis, non-Hodgkin's lymphoma.
(6) It is concluded that the transcutaneous ultrasound technique provides a reliable, rapidly available, non-invasive method to confirm the diagnosis of deep vein thrombosis.
(7) Lupus anticoagulant associated with thrombocytopenia, thrombosis or recurrent abortions was diagnosed in 2 epileptic patients chronically treated with anticonvulsant drugs.
(8) A neonate, with a postconceptual age of 29 weeks, suffered thrombosis of the aorta as a consequence of umbilical artery catheterisation.
(9) The increased risk of thrombosis seen in patients with malignancy also was recently confirmed in breast cancer patients undergoing hormonal or chemotherapeutic treatment.
(10) Anticardiolipin antibodies delineate a recently defined syndrome characterized by venous and arterial thrombosis, thrombocytopenia and recurrent fetal loss, usually in the setting of autoimmune disease.
(11) Seventy-one patients with 80 lower limbs clinically suspected of deep venous thrombosis (DVT) were investigated by both Doppler ultrasound and venography.
(12) Thus, photoinduced vascular thrombosis of a large feeding artery leads to the formation of blood-borne factors that acutely alter cerebral vascular permeability.
(13) In conclusion, this study does not establish any indication or any contraindication in terms of hepatic histopathology with the possible exception of hepatic venous thrombosis for the use of oral testosterone treatment in men with alcoholic cirrhosis.
(14) Molsidomine and SIN-1 were tested in a thrombosis model in which thrombi are produced in small mesenteric vessels.
(15) We present 7 cases of digital artery thrombosis with ischemic symptoms.
(16) Thrombosis of the subclavian vein occurs with these cannulae and is usually asymptomatic.
(17) The right atrium thrombosis in the region of Chiari network resulted in the thromboembolism of the left pulmonary artery this being an immediate cause of death.
(18) In order to prevent thrombosis after implantation, anticoagulant therapy is indicated.
(19) To induce thrombosis we damaged the vessel wall over a short segment by compression and exposed the damaged media to the blood stream.
(20) In venous thrombi, soluble fibrin and fibrinogen exhibited maximum thrombus-blood ratios when they were injected 4 hours after thrombus induction; the thrombus-blood ratio was greater for soluble fibrin than it was for fibrinogen when these agents were injected 4, 8, or 24 hours after thrombosis induction.