(n.) The state or quality of lasting; continuance in time; the portion of time during which anything exists.
Example Sentences:
(1) Large gender differences were found in the correlations between the RAS, CR, run frequency, and run duration with the personality, mood, and locus of control scores.
(2) The difference in HDL and HDL2 cholesterol concentrations between the MI+ and MI- groups or between the MI+ and CHD- groups persisted after adjustment by analysis of covariance for the effect of physical activity, alcohol intake, obesity, duration of diabetes, and glycemic control.
(3) The active agents modestly improved treadmill exercise duration time until 1 mm ST segment depression (3%), and only propranolol and diltiazem had significant effects.
(4) However, there was no consistent protocol for the method or duration of drug administration.
(5) For each temporal position of the independent noise, discriminability was a function of the ratio of the duration of the independent noise (tau) to the total burst duration.
(6) Careful attention must be given to antibiotic choice as well as the dose and duration of therapy.
(7) We conclude that increased duration of exercise can lead to reduced PDH complex activity in rat muscles.
(8) These episodes continued for the duration of the suckling test and were enhanced when a second pup was placed on an adjacent nipple.
(9) Results demonstrate that the development of biliary strictures is strongly associated with the duration of cold ischemic storage of allografts in both Euro-Collins solution and University of Wisconsin solution.
(10) There is a relationship between the duration of stimulation (t) and the total heat production (H) of the type H = A plus bt, where A and b are constants.
(11) It is suitable either for brief sampling of AP durations when recording with microelectrodes, which may impale cells intermittently, or for continuous monitoring, as with suction electrodes on intact beating hearts in situ.
(12) There was no correlation between disturbed gastric clearance, impaired gall bladder contraction, and prolonged colonic transit time in the patients with cardiovascular autonomic neuropathy nor was there a correlation between any disturbed motor function and age or duration of diabetes.
(13) In electrophysiological studies with neurons of Lymnaea stagnalis, THA inhibited the slow outward K+ current and consequently increased the duration of the action potentials.
(14) A study of the time-course of the response during aortic stenosis of 30 min duration showed early release of renin from the innervated kidney at a time (5 min) when little release occurred from the denervated one.
(15) The elimination half-life of most beta-agonists is relatively short, and pharmacokinetics are independent of dose and duration of treatment.
(16) IgG antibody titres to Coxsackie B1-B6 were measured in 113 insulin-dependent diabetes mellitus (IDDM) patients whose mean age was 12.2 years and mean duration of IDDM was 4.6 years, and in 87 normal sibling controls whose mean age was 13.8 years.
(17) The maximum duration of the drainage was 24 days and complete recovery was obtained in all patients without further surgical treatments.
(18) This study provides strong and unexpected evidence that one admission to hospital of more than a week's duration or repeated admissions before the age of five years (in particular between six months and four years) are associated with an increased risk of behaviour disturbance and poor reading in adolescence.
(19) The results suggest that the response continued unabated throughout the duration of exposure to hypoxia.
(20) The duration of action correlated with the elimination half-life of the drug (r = 0.87; P less than 0.003) and area under the plasma concentration curve (r = 0.72; P less than 0.03).
Prolong
Definition:
(a.) To extend in space or length; as, to prolong a line.
(a.) To lengthen in time; to extend the duration of; to draw out; to continue; as, to prolong one's days.
(a.) To put off to a distant time; to postpone.
Example Sentences:
(1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
(2) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
(3) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
(4) Morphological alterations in the lungs of pheasants after prolonged high-dosage administration of bleomycin sulfate were studied by light and electron microscopy.
(5) Graft life is even more prolonged with patch angioplasty at venous outflow stenoses or by adding a new segment of PTFE to bypass areas of venous stenosis.
(6) We evaluated the circadian pattern of gastric acidity by prolonged intraluminal pHmetry in 15 "responder" and 10 "nonresponder" duodenal ulcer patients after nocturnal administration of placebo, ranitidine, and famotidine.
(7) As prolongation of the action potential by TEA facilitates preferentially the hormone release evoked by low (ineffective) frequencies, it is suggested that a frequency-dependent broadening of action potentials which reportedly occurs on neurosecretory neurones may play an important role in the frequency-dependent facilitation of hormone release from the rat neurohypophysis.
(8) Prolonged immobilization was accompanied by a decrease in Ca-concentration dependence of Ca2+ uptake.
(9) Defibrotide prevents the dramatic fall of creatine phosphokinase activity in the ischemic ventricle: metabolic changes which reflect changes in the cells affected by prolonged ischemia.
(10) With prolonged ischemia, it is only transient and is followed by a gradual loss of the adenylyl cyclase activity.
(11) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(12) The mechanism by which gp55 causes increased erythroblastosis and ultimately leukaemia is unknown, but a reasonable suggestion is that gp55 can mimic the action of erythropoietin by binding to its receptor (Epo-R), thereby triggering prolonged proliferation of erythroid cells.
(13) This condition may be caused by the prolonged, repetitive elevations of gonadal steroids and other hormones known to suppress gonadotropin-releasing hormone secretion that are elicited by their daily exercise.
(14) There was no correlation between disturbed gastric clearance, impaired gall bladder contraction, and prolonged colonic transit time in the patients with cardiovascular autonomic neuropathy nor was there a correlation between any disturbed motor function and age or duration of diabetes.
(15) Attempts were made to prolong the survival of the grafts by the use of cytotosine arabinoside, methylprednisolone, heparin and azathioprine.
(16) Because of these different direct and indirect actions, a sudden cessation of sinus node activity or sudden AV block may result in the diseased heart in a prolonged and even fatal cardiac standstill, especially if the tolerance to ischemia of other organs (notably the brain) is decreased.
(17) The 14-fold increase in prolonged apnea frequency immediately following regurgitation supports the hypothesis for a causal relationship between apnea and regurgitation.
(18) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.
(19) Cryopreserved autologous blood cells may thus restore some patients with CGL in transformation to chronic-phase disease and so may help to prolong life.
(20) Heparin prolonged by 15 s and 45 s the time required to demonstrate Factor V activation in CAP supplemented with Factor Xa and thrombin respectively.