(v. t.) To take in and retain; to absorb; -- said especially with respect to gases; as iron, platinum, and palladium occlude large volumes of hydrogen.
Example Sentences:
(1) Infarct size is always expressed as a percentage of the perfusion area of the occluded artery.
(2) Metoprolol reduced exercise systemic arterial pressures, heart rate and cardiac index, and increased systemic vascular resistance index and pulmonary artery occluded pressure.
(3) No animal, however, in the 48-hour group either developed an aneurysm or occluded.
(4) All of the above patients had an acute inferior myocardial infarction, and in 10 of the 12 patients with supraventricular arrhythmias and in four of five with sinus dysrhythmias, the origin of the sinus node artery started just after an occluded right coronary or left circumflex artery or was involved in the occlusion.
(5) To explore relations between preload, afterload, and stroke volume (SV) in the fetal left ventricle, we instrumented 126-129 days gestation fetal lambs with ascending aortic electromagnetic flow transducers, vascular catheters, and inflatable occluders around the aortic isthmus (n = 8) or descending aorta (n = 7).
(6) In the group of 25 patients with critical ischaemia there were three operative deaths and in 10 the graft subsequently occluded, precipitating an amputation.
(7) At 10 weeks only the seeded grafts could be assessed because all of the control grafts had occluded.
(8) The aim of the present study was to determine whether diltiazem, administered during reperfusion, can improve regional blood flow and lower O2 extraction in the previously occluded region.
(9) At operation the superior mesenteric artery was found to be occluded distal to the origin of the middle colic artery.
(10) In 12 anaesthetized mongrel dogs, a canine stroke model was produced by occluding the left internal carotid and middle cerebral arteries with aneurysm clips.
(11) When left circumflex artery (LCX) was occluded, ST elevation in V4R lead after RCA occlusion was blocked.
(12) Spermine potentiation showed fast on-off kinetics, and intracellular spermine, loaded in the recording pipette, did not occlude potentiation by extracellularly applied spermine.
(13) A review of these patients' medical records documented that prior hemispheric symptoms referrable to the now occluded internal carotid artery had occurred in five (55%) of the nine patients who were admitted with stroke, five (62%) of the eight patients with a retinal infarct, six (60%) of the 10 patients who were admitted with a transient ischemic attack, all four (100%) patients who were admitted with amaurosis fugax, one (33%) of three patients with nonhemispheric symptoms, and in seven (70%) of the 10 patients who were asymptomatic when the internal carotid artery occlusion was identified angiographically.
(14) The device was composed of a standard biopsy brush, protected by a single catheter and occluded with an agar plug.
(15) Balloon-occluded arterial infusion with direct hemoperfusion has been performed for head and neck cancers with sufficiently good results.
(16) The authors have treated seven patients by using percutaneous placement of a detachable balloon to occlude a pseudoaneurysm of an upper extremity graft.
(17) The blanching activities and hence bioavailabilities of the cream, ointment and fatty ointment preparations of Nerisone and Temetex (diflucortolone valerate 0.1%) were evaluated using an occluded and unoccluded blanching assay.
(18) Unabsorbed 75SeHCAT was collected after total gut washout, which was administered distal to the occluding balloon.
(19) Peripupillary capillary loops are permanently occluded, but in a few cases, recanalization occurs.
(20) The stoichiometry of Rb+ occluded per phosphorylation site is 2.
Perfuse
Definition:
(v. t.) To suffuse; to fill full or to excess.
Example Sentences:
(1) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
(2) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
(3) When perfusion of the affected lung was less than one-third of the total the tumour was found to be unresectable.
(4) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
(5) Myocardial ischaemia was induced in perfused rabbit hearts by ligating the left main coronary artery.
(6) Arginine vasopressin further reduced papillary flow in kidneys perfused with high viscosity artificial plasma.
(7) They are best explained by interactions between central sympathetic activity, brainstem control of respiration and vasomotor activity, reflexes arising from around and within the respiratory tract, and the matching of ventilation to perfusion in the lungs.
(8) Within the capillary-perfused mucosa and muscularis (between 50 and 2000 microns from the urothelial surface), concentrations decreased by 50% for each 500-microns distance.
(9) This method provided myocardial perfusion images of high quality which were well correlated with N-13 ammonia images.
(10) Infarct size is always expressed as a percentage of the perfusion area of the occluded artery.
(11) The results indicated that the role of contact inhibition phenomena in arresting cellular proliferation was diminished in perfusion system environments.
(12) These results indicate that FMLP increased a pulmonary microvascular permeability in isolated buffer-perfused rabbit lungs that is PMN dependent and mediated by LT produced possibly by a result of ROS production.
(13) While concentrations of fully glycosylated 35S-Cysteine rhEPO did not exhibit any detectable decrease during perfusion, desialo-35S-Cysteine rhEPO was rapidly cleared from the perfusate.
(14) Measurement of adenosine in coronary effluent and in ventricular tissue by radioimmunoassay verified that no residual elevated adenosine remained following perfusion and washout.
(15) In goldfish intestine (perfused unstripped segments and mucosal strips) the serosal addition of ouabain (10(-4) M) resulted in a vanishment of the transepithelial potential difference and in a continuous increase in transepithelial resistance.
(16) Adding prazosin (30 nM) to the perfusate completely (approximately 90%) reversed this effect (p less than 0.05), while alpha 2-adrenergic receptor blockade with yohimbine (300 nM) had no effect.
(17) Because isosmolar albumin solution is easier to prepare than hyperosmolar cryoprecipitated plasma and gives comparable results, it remains our perfusate of choice for continuous perfusion preservation.
(18) Similarly, the phosphorylation potential, phosphocreatine, adenosine triphosphate, and cyclic adenosine monophosphate were constant in the range of autoregulation but decreased directionally with coronary perfusion pressure below 110 cm H2O for both SHR and WKY rats.
(19) Studies were conducted in isolated, buffer-perfused rat lungs to determine if prostaglandin (PG) E1 attenuated pulmonary edema provoked by hydrogen peroxide (H2O2).
(20) The cardiac output increased by 29% after hemodilution without significant alterations in cerebral perfusion pressure and showed a good inverse correlation with the Hct and the WBV.