(1) Good correlation with final deformity (Spearman rho = 0.78) was obtained when the hips were ranked in terms of a new cumulative overpressure index Pc, defined as a time-pressure product involving years of pressure exposure beyond a 2 MPa pressure damage level.
(2) Investigations of the course of flow curves during semiquantitative evaluation of hepatobiliary sequential scintigraphy supported the previous view that establishment of the anastomosis and elimination of portal overpressure improves hepatic perfusion.
(3) The model should prove useful in assessing the risk of blast injury in diverse overpressure environments and may give insight into pathophysiologic mechanisms and strategies for protection.
(4) On the basis of a series including 185 files on diving accidents gathered between 1981 and 1988, the authors carry out a radiological study of the thoracic signs observed after drowning and lung overpressure.
(5) Two overpressured layer chromatography (OPLC) methods have been developed for the separation of neutral and acidic cannabinoids.
(6) It was demonstrated in experiments on normal subjects that moderate ambient pressure changes, creating overpressure in the middle ear, may induce a vestibular reaction.
(7) (2) A study of the effect of simulating gun muzzle blast wave on sheep indicated that in the single explosion, the threshold overpressure values inflicting the injury of internal organs were: Lung-37.27 kPa, G-I tract-41.0 kPa; the upper respiratory tract-negative until 73 kPa, while in the multiple (20 times) explosions, they were 23.7, 23.7 and 41.4 kPa, respectively.
(8) In the authors' opinion the anastomosis is the operation of choice suited for patients lacking a tendency of normalization of the portal circulation and with dangerous manifestations of portal overpressure.
(9) Its maximal overpressure values are 215 kPa (in open condition) and 505 kPa (in closed condition).
(10) This rise is lesser with a high statistical significance than the overpressure produced in the Valsalva's manoeuvre.
(11) However, recent studies with animal models indicate irreversible damage to articular cartilage due to overpressures generated within the patellofemoral (P-F) joint without bone fracture, and suggest this injury may lead to a progressive, degenerative disease of the joint.
(12) During exposure to overpressure the divers exercised on a bicycle-ergometer.
(13) The ultimate purpose of the work is to develop effective personal protection from the primary effects of blast overpressure--efficient protection can only be achieved if the injury mechanism is identified and characterized.
(14) We performed 32 overpressure radionuclide cisternography (ORNC) studies to examine 26 patients who were clinically suspected of having cerebrospinal fluid (CSF) fistula with rhinorrhea.
(15) During Valsalva's manoeuvre the patients achieved an overpressure 250--1 100 mm H2O = 18--81 mmHg for 20 s. After induction of general anaesthesia and intubation, the anaesthesiologist produced an overpressure of 50 cm H2O in the patient's respiratory circuit for 20 s, but the venous pressure rose only to 90--175 mm H2O = 7-- mmHg.
(16) On the other hand, the maximal strength of the inspiratory muscles is involved already during normal pressure and thus a significant increase cannot occur under conditions of overpressure.
(17) The author concentrated from contamined foodstuffs poliovirus type 1--vaccine strain--by means of negative pressure or overpressure filtration across membranes with a different porosity and by means of an ultracentrifuge.
(18) Basement overpressurization was successfully applied in five houses with airtight basements where practical-sized fans could develop an overpressure of 1 to 3 Pascals.
(19) A recent study suggests a threshold (P1) of about 20 kPa, and gives the overpressures required to produce minor, moderate, and major eardrum ruptures.
(20) The results support the hypothesis that the use of overpressure creates a change in the hydrodynamic properties of the cochlea, reflected in an improvement of the inner ear frequency analysis.
Transient
Definition:
(a.) Passing before the sight or perception, or, as it were, moving over or across a space or scene viewed, and then disappearing; hence, of short duration; not permanent; not lasting or durable; not stationary; passing; fleeting; brief; transitory; as, transient pleasure.
(a.) Hasty; momentary; imperfect; brief; as, a transient view of a landscape.
(a.) Staying for a short time; not regular or permanent; as, a transient guest; transient boarders.
(n.) That which remains but for a brief time.
Example Sentences:
(1) The major treatable risk factors in thromboembolic stroke are hypertension and transient ischemic attacks (TIA).
(2) Here we show that this induction of AP-2 mRNA is at the level of transcription and is transient, reaching a peak 48-72 hr after the addition of RA and declining thereafter, even in the continuous presence of RA.
(3) Determination of plasma luteinizing hormone (LH) levels in the peripubertal female rats revealed that plasma LH was increased transiently immediately after NPY administration.
(4) An axillo-axillary bypass procedure was performed in a high-risk patient with innominate arterial stenosis who had repeated episodes of transient cerebral ischemia due to decreased blood flow through the right carotid artery and reversal of blood flow through the right vertebral artery.
(5) With prolonged ischemia, it is only transient and is followed by a gradual loss of the adenylyl cyclase activity.
(6) Definitive neurological deficits occurred in 0.09%, transient deficits were observed in 0.45%.
(7) Nevertheless, this LTR does not govern efficient transcription of adjacent genes in a transient expression assay.
(8) This transient paresis was accompanied by a dramatic fall in the MFCV concomitant with a shift of the power spectrum to the lower frequencies.
(9) In some animals, the response was marked vasodilation, whereas in others transient vasoconstriction preceded the vasodilation.
(10) We investigated the possible contribution made by oropharyngeal microfloral fermentation of ingested carbohydrate to the generation of the early, transient exhaled breath hydrogen rise seen after carbohydrate ingestion.
(11) Protein kinase C (PKC) is activated rapidly and transiently following ionizing radiation exposure and is postulated to activate downstream nuclear signal transducers.
(12) To study these changes more thoroughly, specific monoclonal antibodies of the A and B subunits of calcineurin (protein phosphatase 2B) were raised, and regional alterations in the immunoreactivity of calcineurin in the rat hippocampus were investigated after a transient forebrain ischemic insult causing selective and delayed hippocampal CA1 pyramidal cell damage.
(13) Transient intermediates were distinguished from dead-end metabolites by the rapid formation and disappearance of the former.
(14) Distant ischemia was distinguished from peri-infarctional ischemia by the presence of transient thallium defects in, or slow thallium washout from myocardium not supplied by the infarct-related coronary artery.
(15) A23187 had only a transient effect on KCl-contracted coronary arteries.
(16) Transient thyroid dysfunction occurred in 35 (46%) of 76 patients who were initially euthyroid.
(17) An electrogenic sodium-potassium pump appears to contribute materially to the steady-state potential and to certain of the transient potential responses of vascular smooth muscle.
(18) Initial exposure of cells to low concentrations of either H2O2 or xanthine oxidase resulted in a transient increase in membrane potential relative to control cells (P less than 0.001), followed by an exponential decline in potential (P less than 0.001).
(19) The early absolute but transient dependence of these A-MuLV mast cell transformants on a fibroblast feeder suggests a multistep process in their evolution, in which the acquisition of autonomy from factors of mesenchymal cell origin may play an important role.
(20) Diabetic retinopathy (an index of microangiopathy) and absence of peripheral pulses, amputation, or history of myocardial infarction, stroke, or transient ischemic attacks (as evidence of macroangiopathy) caused surprisingly little increase in relative risk for cardiovascular death.