Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1269 for “"24 hours"”.
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The development of a system of 24 hours preservation of the heart for transplantation
… of human hearts for periods longer than 4 hours, not previously achieved, was obtained. The preservation solution and the portable preservation unit that emerged from this experimental study were thoroughly investigated before clinical application. During the development of this perfusate …
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A retrospective audit of the clinical value of routine chest radiographs in the first 24 hours after cardiac surgery using medical records
Routine postoperative chest radiography after cardiac surgery is a common practice, although studies, both prospective and retrospective, conducted in their majority outside Africa, have shown that these chest radiographs are of low clinical value, mainly due to limited impact on patient …
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Pharmacodynamic evaluation of beta-blockade associated with atenolol in healthy dogs
Objective: Dosing intervals of 12 and 24 hours for atenolol have been recommended, but an evidentiary basis is lacking. To test the hypothesis that repeated, once-daily oral administration of atenolol attenuates the heart rate response to isoproterenol for 24 hours, we performed a double-blind, …
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ACUTE EFFECTS OF LONG DISTANCE RUNNING ON C-REACTIVE PROTEIN AND ARTERIAL STIFFNESS
… it's currently unknown if PWV remains elevated 24 hours after ULT or marathon (MAR). <strong>PURPOSE: </strong>To determine the effects of ULT and MAR on C-reactive protein (CRP), aortic blood pressure (BP), aortic augmentation index (AIx), PWV, and LF:HF ratio. We hypothesized that CRP, AIx, …
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Time and Concentration Relationships of Gentamicin in Serum and Bronchial Lavage Fluid of Horses Administered Gentamicin Intravenously and by Aerosol
… by bronchial lavage performed at 0.5, 4, 8 and 24 hours after gentamicin administration. All samples were analyzed for gentamicin concentration, and cytologic examination was performed on aliquots of bronchial lavage fluid from times 0.5, 8 and 24 hours. Comparisons were made using the Wilcoxon …
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Host Defense Mechanisms in the Crayfish: the Effect of Injection with Live or Killed Bacteria.
… RS2b. The increase in attachment occurred at 8 hours post injection and peaked at 24 hours for both experimental groups. The population of hemocytes with receptors for LPS and mannose also increased at 8 hours post injection and peaked at 24 hours for both experimental groups. At 96 hours post …
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THE ACUTE EFFECTS OF A SINGLE SESSION OF PLYOMETRIC EXERCISE ON MARKERS OF BONE TURNOVER IN BOYS AND MEN
… were collected at pre-, 5, 60 minutes post-, and 24 hours post-exercise) to measure bone-specific alkaline phosphatase (BAP), amino-terminal cross-linking telopeptide (NTx), osteoprotegrin (OPG) and receptor activator of nuclear factor kb ligand (RANKL). Boys had higher BAP levels at all time …
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Qualidade fisiológica de sementes de acacia farnesiana (l.) willd. após tratamentos pré-germinativos
… with subsequent soaking in water for 12 and 24 hours (T8 and T9 respectively), immersion in sulfuric acid for 20 minutes with subsequent soaking in water at room temperature for 12 and 24 hours (T10 and T11, respectively), scarification sandpaper n°. 80 (T12), scarification followed by …
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The Effects of Prophylactic Metoclopramide and Induction with Propofol on Postoperative Nausea and Vomiting
… scores were assesed at 0 to 1 hour and 1 to 24 hours postoperatively. During the first 24 hours after anesthesia, the incidences of PONV is 41.5% in Group 1, 29.3% in Group 2, 30.3% in Group 3, 23.3% in Group 4, and there was no significant difference among the groups. And, during the first 1 …
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Effects of one method of intensive nutrition counseling on short term and long term sodium ingestion
… feedback on the level of sodium excreted in two 24-hour urine collections, with no nutrition follow-up counseling was carried out in 10 relatively young hypertensive subjects. Sodium intake was assessed via two 24-hour urine collections at baseline, during instruction phase, and at a 15 month …
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The Intradermal Skin Test in the Horse: Value as a Diagnostic Modality in Equine Allergies
… normal horse and between 12 normal horses at 0.5 hours, 4 hours, and 24 hours post injection. Minimal variability was detected within individual horses and between 12 horses for histamine and compound 48/80 at 0.5 hours and for PHA at 4 hours. This information suggests that the intradermal …
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Traumatic Brain Injury Mechanisms in the Gottingen Minipig in Response to Two Unique Input Modes
… response characterization over the course of 24 hours in the Gottingen minipig and the relationships between metabolite changes, underlying disruption, and impact kinematics, and the characterization of impact response over the course of 72 hours. The translation-input and combined translation …
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The Effects of a Single Bout of Plyometric Exercise on Anabolic and Catabolic Osteokines in Girls and Adolescents
… were collected pre, 5 min post, 1 hour post and 24 h post exercise. Group differences were seen at baseline in DKK-1, TGF-β1, TGF-β2 and TGF-β3 with girls having significantly higher concentrations than the adolescents. A significant decrease was found after 24 hours in DKK-1. A significant …
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Adequação da metodologia para testes bioquímicos em diásporos de schinopsis brasiliensis engler.
… evaluated at different soaking periods (18 and 24 hours) at constant temperatures of 25 and 30 ° C, using a completely randomized design and means were compared by Tukey test a 5% probability. The conductivity test is to evaluate the efficiency of diaspore baraúna independently of soaking …
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The Role of Angiotensin II in Skeletal Muscle Metabolism
… were treated with angiotensin II for either 3 or 24 hours and a number of effects were investigated. Fatty acid oxidation and lipid synthesis was measured using [1-14C]-palmitate, glucose oxidation and glycogen synthesis were measured using 14C-glucose. In addition,mitochondrial oxidative capacity …
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Circadian rhythm, activity level, training habits and sports performance : the molecular and subjective components
… that displays an oscillation of approximately 24-hours even in the absence of external time cues. Individual differences in the preferred times of waking, activity and rest (sleep) are known as chronotype or diurnal preference; which arise due to differences in circadian rhythmicity due to the …
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Development of a mortality risk prediction score for patients with AML requiring critical care
… academic medical system who survived at least 24 hours. The risk factors examined were AML composite model score (AML-CM) from the time of diagnosis, disease status at ICU admission, history of hematopoietic cell transplant (HCT), use of invasive mechanical ventilation (IMV) within 24 hours of …
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Cardiovascular and renal responses to continuous, moderate and high-intensity interval exercise in mid-spectrum CKD.
… brachial artery (FMD) was assessed before, 1 and 24 hrs after exercise. Blood and urine samples were taken before, 1 and 24 hrs post-exercise. Serum and plasma samples were measured for nitrotyrosine (ᶟ¯NT) asymmetric dimethyl arginine (ADMA), paroxonase-1 (PON-1), total antioxidant capacity …
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Predicting surgical inpatients' discharges at Massachusetts General Hospital
… discharges that will occur in the next 24 hours. As part of this research, we present a new modeling methodology, formalizing concepts of 'Milestones to Post-Operative Recovery' and 'Barriers to Discharge', which systematically track patients progress towards discharge. For every …
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Effects of Hyperadrenalism on Bovine Ovarian Function
… 25 mg cortisone acetate daily. The infusion of 1-24 ACTH (1 mg per 24 hours), HS (100 mg per 24 hours) or S was administered at a rate of 10 ml per hour. The progesterone intravaginal device was used. In experiment 1 (8 intact and 19 ADRX heifers), treatments were from day 2 through next estrus or …
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