(n.) A disease characterized by thickening and fatty degeneration of the inner coat of the arteries.
Example Sentences:
(1) An atheroma is often associated with saccular aneurysms, but its effect on this pathological process is still unknown.
(2) The usefulness of the serotonin (5-HT2) antagonist ketanserin in the treatment of hypertension is evaluated with respect to its known antihypertensive property as well as in relation to its effect on hypertension-induced cardiovascular changes, platelet hyperreactivity, and atheroma formation.
(3) Intracoronary imaging after balloon angioplasty reveals that a significant amount of atheroma is still present, which may partly explain why the incidence of restenosis is high after percutaneous transluminal coronary angioplasty.
(4) Two young women with homozygous familial hypercholesterolaemia and coronary and aortic atheroma were treated by repeated plasma exchange, using a continuous-flow blood-cell separator, for 4 and 8 months.
(5) The specific labelling of atheroma involves mainly protoporphyrin, hematoporphyrin and also minor components of Photofrin II which are accumulated.
(6) Between 1984 and 1989, 29 iliac renal artery bypasses were performed in 29 patients (mean age 67.8 years) with severe renovascular disease due to atheroma.
(7) The atherosclerotic plaques in the venous grafts resembled those in the coronary arteries, the main difference being the occurrence of multiple atheromas (up to 4 in a single section), the high number of T lymphocytes and macrophages related to these sites and the presence of atheromas bordering directly onto the luminal surface.
(8) He subsequently suffered from mesenteric angina due to stenosis of the origin of the superior mesenteric artery and intermittent claudication due to aorto-iliac atheroma.
(9) These results, when taken together with previous data demonstrating that PB increases serum triglyceride in the rabbit but lowers it in the rat, suggest that the drug may be atherogenic in the rabbit but not in the rat which, in any case, is highly resistant to atheroma.
(10) The nature of graft occlusion is related to immediate failure, usually technical, early failure due to myo-intimal hyperplasia and late failure due to progression of atheroma.
(11) 36 patients had no detectable atheroma, 23 mild, 21 moderate, and 36 severe.
(12) The results showed that the bare tip produced the most effective ablation in arterial atheroma, followed by the metal probe and the spectraprobe.
(13) In the remaining 16 patients, who had severe atheroma, PTA was made necessary by ischaemic renal failure.
(14) By comparing these findings with those observed in three other cases, in which biopsy of the pulp of the toe was also performed, the hypothesis can be advanced that these juvenile encephalic ischemic accidents are caused by atheroma, which can be detected, at an early stage, by studying the distal arteries in the finger or toe pulp.
(15) In this altered phenotype the smooth muscle cells proliferate in response to mitogens, synthesize large amounts of extracellular matrix and accumulate lipid, all characteristics of the smooth muscle cell in developing atheroma.
(16) The spectrum ranged from removal of atheroma to subtotal gastric resection.
(17) Cardiac ultrafast computed tomography showed that one half of the patients (21 of 40) had coronary artery calcification, indicating a high incidence of coronary atheroma in this patient population.
(18) Changes in atheroma volume are measured in repeat arteriographic examinations.
(19) Laser angioplasty is used to vaporize atheroma in limb arteries.
(20) The agar model needs further study to determine its limitations, but agar seems to be a useful substitute for atheroma in the study of laser catheter angioplasty.
Plaque
Definition:
(n.) Any flat, thin piece of metal, clay, ivory, or the like, used for ornament, or for painting pictures upon, as a slab, plate, dish, or the like, hung upon a wall; also, a smaller decoration worn on the person, as a brooch.
Example Sentences:
(1) The rash presented either as a pityriasis rosea-like picture which appeared about three to six months after the onset of treatment in patients taking low doses, or alternatively, as lichenoid plaques which appeared three to six months after commencement of medication in patients taking high doses.
(2) Escherichia enterotoxigenic strains, Yersinia enterocolitica and Salmonella typhimurium virulent strains, Campylobacter jejuni clinical isolates possess more pronounced capacity for adhesion to enteric cells of Peyer's plaques than to other types of epithelial cells, which may be of importance in the pathogenesis of these infections.
(3) Synapse loss was accentuated, however, within immature and mature plaques.
(4) Plaque size, appearance, and number were influenced by diluent, incubation temperature after nutrient overlay, centrifugation of inoculated tissue cultures, and number of host cells planted initially in each flask.
(5) Both antibiotics decreased plaque, and erythromycin also decreased gingivitis.
(6) However, in GF rats and in rats monoassociated with viable P. acnes, parenteral injection of killed P. acnes antigen inhibited the plaque-forming cell response to sheep erythrocytes.
(7) Cultures of Streptococcus mutans HS-6, OMZ-176, Ingbritt C, 6715-wt13, and pooled human plaque were grown in trypticase soy media with or without 1% sucrose.
(8) Prior incubation of these antigens with test spleen cells in the agar gel effictively inhibited development of the vibriolytic plaques, regardless of antibody class.
(9) Subgingival plaque was sampled and the presence or absence of the above mentioned bacteria assessed with BANA reagent cards (Perio Scan).
(10) Sorbitol, by itself or in combination with mannitol is slowly converted to acids by the plaque microorganisms.
(11) A plaque hybridization assay was adapted to rotavirus.
(12) Phage lysates of wild-type cells are capable of transducing auxotrophs of strain 78 to prototrophy at frequencies ranging from 0.3 x 10(-7) to 34 x 10(-7) per plaque-forming unit adsorbed.
(13) The addition of sodium bicarbonate to gum containing sorbitol markedly enhanced its capacity to cause and maintain an elevation of interproximal plaque pH previously lowered by exposure to fermentable carbohydrate.
(14) Arteriosclerotic plaques were found in the aorta and arteries of rabbits given homocysteine thiolactone, methionine or homocysteic acid, both parenterally and in a synthetic diet.
(15) The aim of the trial was to determine the effectiveness of aspirin in preventing cardiovascular problems in people with asymptomatic atherosclerosis – the undetected build-up of waxy plaque deposits on the inside of blood vessels.
(16) Repeated transient ischemic attacks in the same territory with minimal lesions on arteriography and non-homogeneous plaque on duplex scan; 2.
(17) The ACI rats produced both IgM and IgG plaque-forming cells (PFC) following immunization with either form of antigen.
(18) The hypothesis was tested that plaque, as a complex soil comprising microorganisms, cell debris, salivary deposits and other ill-defined organic and inorganic components, would be susceptible to removal by a rinse with high detersive action.
(19) Injection of T-dependent antigens into the subarachnoid space and brain parenchyma induced a marked antibody production in the spleen, as detected by plaque-forming cells (PFC).
(20) Utilizing the bilateral comparison technique in 30 hospitalized patients with chronic stable plaque-type psoriasis vulgaris, we closely monitored the clinical responses to ultraviolet radiation (Westinghouse fluorescent FS40 bulbs, 290--400 nm) and a variety of tar preparations and lubricant vehicles in combination and separately.