Relevant bibliographies by topics / Lipemi

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Academic literature on the topic 'Lipemi'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Lipemi"

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Chaudhary, Nanda Kishwor, Ram Hari Chapagain, Sani Sipai, Suryakant Chaudhary, and Krishan Prasad Paudel. "Familial Chylomicronaemia: A Neonate with Milky White Blood." Journal of Nepal Paediatric Society 38, no. 2 (January 11, 2019): 128–31. http://dx.doi.org/10.3126/jnps.v38i2.20473.

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Familial Chylomicronaemia is a rare autosomal recessive disease of lipoprotein metabolism characterized by deficiency or absence of lipoprotein lipase (LPL) or its co-factor apoC-II which causes severe elevation of triglyceride and chylomicron resulting in lipaemic plasma, recurrent attacks of acute pancreatitis, eruptive xanthomas, hepato-splenomegaly and lipaemiaretinalis. We report a case of term female neonate with lipaemic plasma, lipemia retinalis, markedly elevated triglyceride level which is consistent with diagnosis of Familial Chylomicronaemia. Keywords: Familial Chylomicronemia, lipemic plasma, triglyceride level, Lipemia retinalis
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Soleimani, Neda, Sahand Mohammadzadeh, and Fateme Asadian. "Lipemia Interferences in Biochemical Tests, Investigating the Efficacy of Different Removal Methods in comparison with Ultracentrifugation as the Gold Standard." Journal of Analytical Methods in Chemistry 2020 (February 12, 2020): 1–6. http://dx.doi.org/10.1155/2020/9857636.

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Introduction. As a common interferer in clinical chemistry, lipemic specimens could be a source of significant analytical errors. Ultracentrifugation has been by far the only reliable, but an unavailable and expensive, method to eliminate the lipemic effect. Materials and Methods. Among the daily samples, those with triglyceride >400 mg/dL (4.6 mmol/L) and also turbid were selected, divided into three groups, based on triglyceride concentration, and three pooled serums were made for each group. Then all pooled serums were investigated by using a DIRUI biochemistry analyzer CS-800 for routine chemistry tests in different methods including direct measurement, serum blank, serum dilution, and measurement after ultracentrifugation. Results. According to our study, there were significant differences before and after ultracentrifugation in all lipemic levels and for all parameters except for alanine aminotransferase (ALT), alkaline phosphatase (ALP), bilirubin, and uric acid. Based on allowable inaccuracy for each parameter, calcium, magnesium, phosphorus, total protein, iron, total iron-binding capacity (TIBC), urea, and chloride are being influenced by all lipemic degree and neither serum dilution nor using serum blank is as effective as ultracentrifuge for elimination. Serum blank was a proper method of lipid removal for the measurement of glucose. Conclusion. Lipemia is a well-known interferer in clinical chemistry. One cannot avoid lipemia, but fortunately, severe lipemia is a rare phenomenon in the laboratory, and for assessment of some analytes in a lower degree of lipemia, use of serum blank eliminates the need for ultracentrifuge.
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Van Elslande, Jan, Michel Langlois, Pieter Vermeersch, Glynis Frans, Bart Van der Schueren, Ann Mertens, Björn Meijers, Katrien De Vusser, and Samira Hijjit. "Delayed diagnosis and treatment of extreme hypertriglyceridemia due to rejection of a lipemic sample." Biochemia medica 31, no. 2 (June 15, 2021): 363–71. http://dx.doi.org/10.11613/bm.2021.021002.

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Most laboratories routinely determine haemolysis, icterus and lipemia indices to identify lipemic samples and reject potentially affected results. Hypertriglyceridemia is the most common cause of lipemia and severe hypertriglyceridemia (≥ 11.3 mmol/L) is a major risk factor of acute pancreatitis. A 56-year-old woman attended the outpatient clinic for a follow-up visit 1 month after a kidney transplantation. Her immunosuppressive therapy consisted of corticosteroids, cyclosporine, and mycophenolic acid. The routine clinical chemistry sample was rejected due to extreme lipemia. The comment “extreme lipemic sample” was added on the report, but the requesting physician could not be reached. The Cobas 8000 gave a technical error (absorption > 3.3) for the HIL-indices (L-index: 38.6 mmol/L) which persisted after high-speed centrifugation. The patient was given a new appointment 2 days later. The new sample was also grossly lipemic and gave the same technical error (L-index: 35.9 mmol/L). The second sample was manually diluted 20-fold after centrifugation to obtain a result for triglycerides within the measuring range (0.10–50.0 mmol/L). Triglycerides were 169.1 mmol/L, corresponding to very severe hypertriglyceridemia. This result was communicated to the nephrologist and the patient immediately recalled to the hospital. She received therapeutic plasma exchange the next day and did not develop acute pancreatitis. This case illustrates the delicate balance between avoiding the release of unreliable results due to lipemia and the risk of delayed diagnosis when results are rejected. Providing an estimate of the degree of hypertriglyceridemia might be preferable to rejecting the result.
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Krenzer, Joseph, Alyson Nelson, Trisha Robakowski, Kevin Grant, Kornelia Galior, and Sarah A. Hackenmueller. "Lipemic Interference in Basic Metabolic Panels: Increasing the Lipemia Index Threshold in Order to Decrease the Frequency of Ultracentrifugation." American Journal of Clinical Pathology 154, Supplement_1 (October 2020): S15. http://dx.doi.org/10.1093/ajcp/aqaa137.027.

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Abstract Introduction Lipemia in clinical chemistry samples is a problematic form of interference. Clearing these samples for routine testing can be time consuming and increases the turn-around time for these specimens. In our laboratory, samples with a lipemia index >50 (L-index) are manually inspected and visibly lipemic specimens are cleared by ultracentrifugation. Objective The objective of this study was to determine at what L-index ultracentrifugation of lipemic BMP specimens is necessary prior to sample testing to ensure accurate results. Methods Specimens consisted of routinely ordered basic metabolic panels (BMP) that met current criteria for ultracentrifugation, which included an L-index >50 as measured on the Abbott Architect c8000 and visual lipemia. Specimens meeting these criteria were ultracentrifuged and retested. The difference of the pre-ultracentrifuged and post-ultracentrifuged result was evaluated and put into a percent to find the ‘percent difference’ and evaluated against the total allowable error (TEa) for each analyte. If the difference observed following ultracentrifugation was less than or equal to 50% of the TEa, clearance of lipemia by ultracentrifugation was considered unnecessary. Values from all BMP component tests were analyzed in order to find an L-index threshold at which samples need to be ultracentrifuged which could be applied to the entire panel. The report of lipemic indices for BMPs for the month of January 2020 were extracted from the laboratory information system to evaluate the potential impact of altering the L-index threshold for ultracentrifugation. Results Based on the acceptance criteria of ≤50% of TEa, L-index thresholds for Na, K, Cl, calcium, glucose, creatinine, CO2 and BUN were <203, <410, <287, <387, <410, <285, < 153 and <285, respectively. All the calculated differences or percent differences for each analyte did not exceed 50% of the TEa for a given analyte when the L-index was 150 or less. Adjusting the L-index to 150 and applying it to the 195 lipemic BMP samples in January 2020, would have potentially decreased the number of samples requiring ultracentrifugation to 24 lipemic BMPs (88% reduction). Conclusion These data suggest that an L-index greater than 150 can be used for all analytes within a BMP as the threshold for requiring ultracentrifugation. The BMP is one of the most frequently ordered tests in our laboratory and consistently accounts for a substantial portion of the lipemic samples that require ultracentrifugation. Increasing the L-index at which samples will be ultracentrifuged from 50 to 150 would potentially result in an 88% reduction in one month of BMP samples requiring ultracentrifugation.
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Adiga, Dr Usha, and Dr B. N. Malawadi. "Lipemic index a tool to measure lipemia." International Journal of Medical Research and Review 4, no. 4 (April 30, 2016): 613–17. http://dx.doi.org/10.17511/ijmrr.2016.i04.23.

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Emerson, Sam R., Mark D. Haub, Colby S. Teeman, Stephanie P. Kurti, and Sara K. Rosenkranz. "Summation of blood glucose and TAG to characterise the ‘metabolic load index’." British Journal of Nutrition 116, no. 9 (October 24, 2016): 1553–63. http://dx.doi.org/10.1017/s0007114516003585.

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AbstractResearch points to postprandial glucose and TAG measures as preferable assessments of cardiovascular risk as compared with fasting values. Although elevated postprandial glycaemic and lipaemic responses are thought to substantially increase chronic disease risk, postprandial glycaemia and lipaemia have historically only been considered separately. However, carbohydrates and fats can generally ‘compete’ for clearance from the stomach, small intestine, bloodstream and within the peripheral cell. Further, there are previous data demonstrating that the addition of carbohydrate to a high-fat meal blunts the postprandial lipaemic response, and the addition of fat to a high-carbohydrate meal blunts the postprandial glycaemic response. Thus, postprandial glycaemia and lipaemia are interrelated. The purpose of this brief review is 2-fold: first, to review the current evidence implicating postprandial glycaemia and lipaemia in chronic disease risk, and, second, to examine the possible utility of a single postprandial glycaemic and lipaemic summative value, which will be referred to as the metabolic load index. The potential benefits of the metabolic load index extend to the clinician, patient and researcher.
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Hanson, N. Q., T. S. LeGeault, and E. F. Freier. "Immunonephelometry of apolipoprotein B with a centrifugal analyzer." Clinical Chemistry 33, no. 10 (October 1, 1987): 1882–84. http://dx.doi.org/10.1093/clinchem/33.10.1882.

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Abstract We developed an automated immunonephelometric assay for the measurement of apolipoprotein B (apo B) with a light-scattering microcentrifugal analyzer. Pretreating specimens with a dilute solution of Tween 20 or triglyceride lipase decreased the nephelometric response of apo B. Polyethylene glycol is included in the reaction mixture, and the reaction is complete within 4 min. The method is precise (CV = 6.5%, mean = 0.68 g/L) and the standard curve is linear to an apo B concentration of 2.8 g/L. Lipemia does not interfere with the method if grossly lipemic specimens are centrifuged to remove chylomicrons.
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Unger, M., C. Schwedes, S. Bentele, S. Klumpp, and M. Brückner. "Koprostase durch ein intrapelvines Lipom bei einer 12 Jahre alten Mischlingshündin." Tierärztliche Praxis Ausgabe K: Kleintiere / Heimtiere 37, no. 01 (2009): 14–32. http://dx.doi.org/10.1055/s-0038-1622735.

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Zusammenfassung Gegenstand: Der Artikel beschreibt klinische Symptomatik, diagnostische Aufarbeitung und chirurgische Therapie eines intrapelvinen Lipoms. Verlauf und Ergebnisse: Die klinische Untersuchung, Röntgenaufnahmen des Abdomens und der zytologische Befund einer mittels Feinnadelaspiration gewonnenen Gewebeprobe ergaben die klinische Verdachtsdiagnose eines intrapelvinen Lipoms. Computertomographisch ließ sich eine klar begrenzte fettdichte Struktur im Beckenkanal ohne Beteiligung der umgebenden Gewebe darstellen, die anhand der Hounsfield-Einheiten als Fettgewebe anzusprechen war. Über einen perinealen Zugang erfolgten eine Teilresektion der Fettgeschwulst und eine Fettabsaugung. Die histopathologische Untersuchung bestätigte den klinischen Verdacht eines einfachen Lipoms. 22 Monate postoperativ ist der Hund symptomfrei. Schlussfolgerung und klinische Relevanz: Einfache Lipome finden sich typischerweise in der Unterhaut und nur in Ausnahmefällen in der Brust-, Bauch- oder Beckenhöhle, wo sie zu einer Funktionseinschränkung anderer Organe oder anatomischer Strukturen führen können. Nach einer exakten Diagnosestellung kann aufgrund des langsamen Wachstums der Lipome eine chirurgische Teilresektion in Verbindung mit einer Liposuktion unter Umständen ausreichen, um dem Patienten über längere Zeit Beschwerdefreiheit zu verschaffen.
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García-Vázquez, Carlos, Jorge L. Ble-Castillo, Yolanda Arias-Córdova, Rubén Córdova-Uscanga, Carlos A. Tovilla-Zárate, Isela E. Juárez-Rojop, Viridiana Olvera-Hernández, Carina S. Alvarez-Villagomez, Ana M. Nolasco-Coleman, and Juan C. Díaz-Zagoya. "Effects of Resistant Starch Ingestion on Postprandial Lipemia and Subjective Appetite in Overweight or Obese Subjects." International Journal of Environmental Research and Public Health 16, no. 20 (October 11, 2019): 3827. http://dx.doi.org/10.3390/ijerph16203827.

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Reports surrounding the role of resistant starch (RS) on postprandial lipemia in humans are scarce. The aim of the present study is to examine the effects of resistant starch on the postprandial lipemic response, subjective measures of appetite, and energy intake in overweight and obese subjects. In a randomized, single-blind, crossover study, 14 overweight/obese participants ate a high-fat breakfast (679 kcal, 58% from fat) and a supplement with native banana starch (NBS), high-amylose maize starch (HMS), or digestible maize starch (DMS) on three separate occasions. All supplements provided were matched by the available carbohydrate content, and the RS quantity in NBS and HMS supplements was identical. Appetite was estimated using visual analogue scale (VAS) and an ad libitum test meal. Postprandial glycemia, triglycerides, cholesterol, high-density lipoprotein (HDL) cholesterol, and insulin excursions did not differ between treatments. Subjective appetite measures of satiety were significantly increased after HMS; however, no effects on energy intake were observed during the ad libitum test meal. These findings suggest that a single acute dose of RS cannot be expected to improve postprandial lipemia in subjects with overweight or obesity on a high-fat meal. However, the potential benefits of long-term supplementation should not be ruled out based on these results.
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Fadhilah, Fitri, Ana Bina Sari, and Astika Aprilianti. "THE EFFECT OF TEST TUBE STERILIZATION FROM SERUM LIPEMIC AGAINST LEVELS OF TRIGLYCERIDE GPO-PAP METHOD." Indonesian Journal of Medical Laboratory Science and Technology 1, no. 1 (April 4, 2019): 38–43. http://dx.doi.org/10.33086/ijmlst.v1i1.878.

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In terms of analytic factors, it is important to define acceptable levels of common interferences, such as lipemia or hemolysis. For triglyceride, the laboratory technician must define whether samples with excess lipemia will be included in the study; this depends, in part, on whether the interferences affect the methods. In most laboratories, glass or plastic that is in direct contact associated with bio hazardous material is usually disposable. If not, it must be decontaminated according to appropriate protocols. Immediately rinsing glass or plastic supplies after use, followed by washing with a powder or liquid detergent designed for cleaning laboratory supplies and several distilled water rinses, may be insufficient. To ensure that all remaining fat from lipemic serum that attached to the tube wall has been removed, then the sterilization process is carried out so that a sterile tube is obtained. The purpose of this study is to determine the effect of test tube sterilization from serum lipemic against levels of triglyceride GPO-PAP (Glycerol-3-phosphate oxidase-p-aminophenazone) examination. This research method was a laboratory experiment. We used 8 times repetition with tubes used first are given liquid fat and cleaned by sterilization, washed with surfactant and washed with water only. By using statistical tests ANOVA obtained of this study showed results p>0.05 which is mean the treatment that used did not show a significant difference in the treatment of ordinary water-washed tubes with sterilized tubes and surfactant washed tubes. The conclusion of this study is cleaning of the test tube with the sterilization method is recommended because to avoiding the fear of remaining pollutants that can affect the results, It can also minimize the life of bacteria and viruses from the sample to be examined. However, if the sterilization method is difficult to do because of limited equipment and so on, the use of surfactants and the correct method of cleaning the tube is enough to remove impurities such as fat.
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Dissertations / Theses on the topic "Lipemi"

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Andersson, Sebastian. "Lipemi-interferens vid mätning av Hb på Sysmex XN-10 och HemoCue Hb 201+." Thesis, Högskolan Kristianstad, Fakulteten för naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-19225.

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Anemi kan uppstå till följd av förlust av erytrocyter eller försämrad produktion av nya erytrocyter. För att upptäcka och följa upp patienter med anemi är det viktigt att korrekt kunna mäta hemoglobinkoncentrationen (Hb) i blodet. En vanlig metod för att mäta Hb-koncentration är fotometri i kombination med en kemisk omvandling. Liksom alla mätningar med ljus är dessa känsliga för turbiditet i provet. Lipemi är en vanlig källa till turbiditet som kan uppstå till exempel som följd av en fettrik måltid, diabetes mellitus, lever- eller njursjukdomar, alkoholism och vissa läkemedel. Olika instrumenttillverkare har olika metoder för att motverka interferensen av lipemi. Sysmex hematologi-instrument XN-10 använder en fettlösande bärarvätska i sin fotometriska kanal (HGB) och HemoCue mäter vid en andra våglängd som ska kompensera för turbiditet. Sysmex XN-10 har också en optisk kanal (HGB-O) som är till för att räkna retikulocyter genom att mäta deras nukleinsyra- samt Hb-innehåll men ger då också ett beräknat värde på Hb-koncentrationen i hela provet. Syftet med denna studie var att jämföra HGB och den HGB-O för bestämning av Hb-koncentrationen i helblod. Båda kanalerna jämfördes även med HemoCue Hb 201+ vid bestämning av Hbkoncentrationen i svårt lipemiska prover. Hb-mätning på plasma från motsvarande prover utfördes också för att undersöka om värdet motsvarade Hb-höjningen i de lipemiska proverna. Prover analyserade med både HGB och HGB-O på Sysmex XN-10 på klinisk kemi vid Skånes universitetssjukhus i Lund under november månad 2018 (n = 392) jämfördes med hjälp av Spearmans rangkorrelationskoefficient. Lipemi simulerades med fettemulsionen Intralipid i totalt 32 prover. Färdiganalyserade patientprover från föregående dag delades i ett lipemiskt prov med Intralipidtillsats och ett nollprov med tillsats av NaCl-lösning i en motsvarande volym. Differenserna mellan de lipemiska- och nollprovernas Hb-värden testades för signifikans med icke-parametrisk Wilcoxons teckenrangtest. Kruskal-Wallis samt Dunns's tester användes för att visa på signifikanta skillnader mellan de tre metoderna. Signifikansnivån sattes vid p < 0,05. Resultaten visade god korrelation mellan HGB - och HGB-O Hb-värden med ett Spearman korrelationsvärde på 0,982.  Jämförelsen av metoderna vid lipemi visade signifikant skillnad mellan nollprov och lipemiskt prov för HGB- (p < 0,001) men inte HGB-O (p = 0,11) på XN-10. HemoCue Hb 201+ visade också signifikant skillnad (p < 0,001) vid lipemi men med lägre median-värde än HGB och mindre spridning än HGB-O. HGB-O:s median-värde tydde på minst lipemipåverkan men spridningen av differenserna var stor. Spridningen av HGB-O resultaten kan bero på hemolys då endast intracellulärt Hb mäts i denna kanal. Resultaten i denna studie tyder på att HemoCue-metoden är den mest pålitliga vid Hb-mätning av lipemiska prover och därmed det lämpligaste komplementet till HGBmetoden
Anemia can arise from either loss of erythrocytes or impaired production of new erythrocytes. In order to discover and evaluate the treatment of anemic patients, correct Hb measurements are important. A common method to measure Hb concentration is photometry in combination with chemical conversion of the Hb. Like all light-dependent methods this suffers from a vulnerability to turbidity that scatters light. Lipemia is a common cause of turbidity caused by e.g. recent intake of high fat foods, diabetes mellitus, liver or kidney disease, alcoholism and some drugs. Manufacturers of Hb analyzers use different methods to counter the influence of interference from lipemia on measurements. Sysmex XN-10 analyzers use a fat dissolving sheath fluid in its photometric channel (HGB) and HemoCue measures absorbance at a second wavelength to compensate for turbidity. Sysmex XN-10 also has an optic channel (HGB-O) for counting reticulocytes by measuring their nucleic acid and Hb content. At the same time this channel measures Hb equivalents of erythrocytes and gives a calculated value of Hb content in the entire sample. The aim of this study was to compare the photometric and the optical channels for measuring Hb concentration in whole blood. Both the Sysmex XN-10 channels were compared with HemoCue Hb 201+ when measuring Hb concentrations in lipemic samples. Plasma Hb concentration was determined for the corresponding samples in order to investigate correlation between elevation in Hb concentration with and without simulated lipemia and in the plasma after centrifugation. Samples analyzed at Skånes University Hospital in Lund during the month of November 2018 (n = 392) using both HGB and HGB-O on XN-10 were compared using Spearman's signed correlations coefficient. Lipemia was simulated by using the fat emulsion Intralipid in a total of 32 samples. Samples collected and analyzed on the previous day was used for the study. Each sample was split into one part with added Intralipid to form a lipemic sample and one part with NaCl-solution of the same volume as Intralipid in the lipemic sample. The differences between lipemic and non lipemic samples was tested for significance by the non-parametric Wilcoxons signed ranks test for each of the methods. Significance between the three methods was tested by using Kruskal-Wallis and Dunn's tests. Level of significance was set to p < 0.05. The results showed good correlation between earlier test run on both HGB and HGB-O with a Spearman correlation score of 0,982.  A significant difference was found between lipemic and non lipemic samples with the photometric method (p < 0,001) but not the optical method (p = 0,11) on XN10. HemoCue Hb 201+ also showed a significant difference (p < 0,001) between lipemic and non lipemic samples but a lower median than HGB and less deviation than HGB-O. The median of HGB-O indicated that it was influenced the least by lipemia of the three methods but had the greatest deviation of the differences. The greater deviation of HGB-O values may have been caused by hemolysis since the method measures intra cellular Hb. HemoCue shows according to this study the slightest deviation of the three methods and a less heightened median value compared to HGB which confirms the methods suitability as complement to HGB when dealing with lipemic samples.
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Warych, Karen. "Intra-individual variation in postprandial lipemia." Virtual Press, 1996. http://liblink.bsu.edu/uhtbin/catkey/1020153.

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Prediction for future coronary artery disease (CAD) from high-density lipoprotein (HDL) and triglyceride (TG) measurements are based off of a single measurement that has been shown to be variable. To better determine risk for CAD based on blood lipids, studies in the postprandial state are warranted. To assess the reproducibility of TG clearance, 10 men underwent three trials of a 70g oral fat loading test with blood samples collected every two hours for eight hours. These trials were all scheduled at least one week apart. Men who had fasting TG concentrations > 250 mg - dL -' were excluded from the study. Each subject presented to the laboratory having abstained from exercise for 24 hours and alcohol 72 hours prior to the upcoming trial. Each subject was also provided with a standardized frozen dinner to eat the night before at a time which allowed the subject to be 12 hours fasted for the next days' trial. To specifically assess postprandial lipemia, TG concentrations were plotted against bi-hourly collection times to form a curve. The area under this curve was then calculated to determine PPL area. Itwas found that there was no significant difference in area under the TG curve (p = 0.25) for any of the three trials (1096 ± 168, 948 ± 105, and 995 ± 127 mg - dL -' - 8 • hr-' respectively for trials one, two, and three). Pearson correlations between trials were 0.79 for trials one and two, 0.82 for trials two and three, and 0.90 for trials one and three. Also, there was no significant difference in peak TG (p = 0.34) on each of the three trial days (167 ± 27, 150 ± 16, and 151 ± 19 mg • dL -1 in peak TG for trials one, two, and three respectively). Time taken to reach peak TG concentrations (p = 0.20) or time to return to baseline TG (p = 0.27) were not significantly different across three trial days. The men in this study reached peak TG concentrations in this study in 3.2 ± 0.5, 4.0 ± 0.4, 4.0 ± 0.3 hours respectively for trials one, two, and three. Time to return to baseline was 6.8 ± 0.6, 7.4 ± 0.4, 7.8 ± 0.4 hours for trials one through three respectively. Correlations between trials and the lack of a difference between trials using repeated measures ANOVA in regards to PPL area gives some preliminary evidence that some postprandial measures such as PPL area and can be reproduced across trials. However, the intra-individual variation was 19 ± 4% which provides no additional support for reproducibility of PPL. Additionally, results from this study, as well as all others pertaining to the study of reproducibility of PPL are specific to the protocol used and the method of interpretation.
School of Physical Education
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Cohen, Jonathan. "The regulation of postprandial lipemia in man." Doctoral thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/27177.

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The regulation of the serum triglyceride responses to fat ingestion have been examined in normolipidemic men. To evaluate the existing methods for comparing chylomicron-triglyceride clearance, the oral and intravenous fat tolerance tests and a steady state duodenal perfusion method were compared. Good correlations (r > 0.8) were found between each of these methods. Since the intravenous fat tolerance test is independent of fat absorption, these data suggested that the serum triglyceride response to fat feeding was largely determined by the rate of chylomicron-triglyceride clearance. To determine the influence of the quantity and type of meal fat on postprandial serum triglyceride concentrations, the serum triglyceride responses to three different doses of dairy cream, and to standard doses of olive and sunflower oil were examined. For a given type of fat, the magnitude of postprandial lipemia (the integrated serum triglyceride excursion) varied directly with the quantity of fat in the meal. This finding suggested that the chylomicron- triglyceride clearance system(s) did not become saturated even after large fat meals. In addition, it appeared that the hormonal factors released in response to fat ingestion (some of which are known to increase lipoprotein lipase activity in vitro) did not increase the rate of chylomicron-triglyceride clearance. If the quantity of fat in a meal was fixed, then postprandial lipemia increased with increasing saturation of the triglyceride fatty acids. These differences did not appear to reflect differences in triglyceride absorption. Since acute fat feeding per se did not appear to stimulate chylomicron-triglyceride clearance, the effects of dietary proteins and carbohydrates were studied. The addition of up to 35g protein to a standard test meal did not affect postprandial lipemia. These results were supported by the observation that protein ingestion did not affect intravenous fat tolerance. Postprandial serum triglyceride concentrations were significantly influenced by carbohydrate ingestion. Fructose (50g) and sucrose (100g) markedly increased postprandial lipemia, although glucose ingestion did not. In agreement with earlier studies, glucose ingestion decreased serum triglyceride concentrations 2 hours after the meal. This effect was abolished by intraduodenal fat administration and by substituting starch for glucose in the test meal. The effects of glucose could be reproduced by iso-osmotic quantities of urea, however. These findings suggested that glucose ingestion did not increase chylomicron -triglyceride clearance. It is more likely that glucose delayed the absorption of triglycerides by slowing gastric emptying, and that this effect was partly related to the increased osmolarity of glucose- containing meals. The effects of chronic exercise on postprandial lipemia and chylomicron-triglyceride clearance were determined in endurance- adapted athletes. The serum triglyceride responses to large and small fat meals were lower in athletes than in sedentary men with comparable fasting triglyceride concentrations. These differences were not eliminated by a single bout of acute exercise in the sedentary men. The clearance of intravenously administered lntralipid, and chylomicron -triglyceride clearance assessed from steady state chylomicron-triglyceride concentrations during duodenal fat perfusion were faster in athletes than in the sedentary men. These data suggested that the low postprandial lipemia in athletes reflects increased chylomicron-triglyceride clearance caused by increased activity of the triglyceride clearing system(s). Given these considerations. it appears that the pathway(s) for chylomicron triglyceride clearance are extremely efficient in normal men and that these pathways are not subject to acute physiological regulation.
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Ahmad, Nazir. "Lipémie postprandiale et lactoferrine : le Lipolysis Stimulated Receptor comme cible potentielle." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0167/document.

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La lipémie postprandiale se caractérise par une augmentation des lipoprotéines riches en triglycérides après un repas, et joue un rôle important dans la biodisponibilité des lipides alimentaires pour les tissus périphériques. En effet, une lipémie postprandiale élevée est souvent associée à l'obésité et à une dyslipidémie, deux composantes du syndrome métabolique qui peuvent engendrer des complications médicales, incluant diabète et maladies cardiovasculaires. La lactoferrine (Lf) inhibe l'épuration hépatique des chylomicrons, conduisant à une élévation de la lipémie postprandiale par des mécanismes moléculaires non élucidés. Il est aussi établi que le Lipolysis Stimulated Receptor (LSR) contribuait à l'épuration des lipoprotéines riches en triglycérides pendant la phase postprandiale. L'objectif était de déterminer s'il existait une interaction entre la Lf et le LSR. Les études de cultures cellulaires ont montré que si la Lf n'affectait pas le taux d'expression du LSR dans des cellules Hepa 1-6 de souris, elle co-localisait avec le LSR en présence d'oléate, un composé requis pour l'activation du récepteur. Des expériences de ligand-blotting ont également montré que la Lf se fixait sur le LSR purifié et inhibait la fixation de lipoprotéines riches en triglycérides. Les domaines N et C-terminaux isolés de cette protéine, ainsi qu'un mélange de peptides obtenu après double hydrolyse de la Lf par la trypsine et la chymotrypsine, conservent cette propriété. Nous proposons que l'élévation de la lipémie postprandiale observée in vivo suite à un traitement par la Lf soit médiée par son interaction avec le LSR, inhibant ainsi l'épuration des chylomicrons et de leurs remnants
Postprandial lipemia is characterized by an increase in plasma triglyceride-rich lipoproteins after the ingestion of meal, and is important towards determining the bioavailability of dietary lipids amongst the peripheral tissues. Indeed, elevated postprandial lipemia is often observed with obesity and dyslipidemia, two disorders that can lead to health complications including diabetes and cardiovascular diseases. Lactoferrin (Lf), has been shown to inhibit hepatic chylomicron remnant removal, resulting in increased postprandial lipemia, for which the molecular mechanisms remain unclear. The lipolysis stimulated lipoprotein receptor (LSR) has been shown to contribute to the removal of triglycerides-rich lipoproteins during the postprandial phase. The aim was to determine if there was interaction between Lf and LSR. Both Lf and LSR were purified with purities upper to 95% and characterized. Cell culture studies demonstrated that while Lf does not have any significant effect on LSR protein levels in mouse Hepa1-6 cells, it co-localizes with LSR in cells, but only in the presence of oleate, which is needed to obtain LSR in its active form. Ligand blotting using purified LSR revealed that Lf binds directly to the receptor in the presence of oleate and prevents the binding of triglycerides-rich lipoproteins. Both C- and N-lobes of Lf, and a mixture of peptides derived from its tryptic and chymotryptic double hydrolysis retained the ability to bind LSR. We propose that the elevated postprandial lipemia observed upon Lf treatment in vivo is mediated by its direct interaction with LSR, thus preventing clearance of chylomicrons and their remnants through the LSR pathway
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Fernandes, Dourado Keila. "Lipídeos circulantes e natureza da gordura dietética." Universidade Federal de Pernambuco, 2005. https://repositorio.ufpe.br/handle/123456789/8954.

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INTRODUÇÃO: O teor adequado de lipídios de diversas origens é um dos assuntos mais discutidos atualmente em nutrição humana, sendo a associação entre gordura dietética, obesidade e doenças cardiovasculares bastante controvertida. OBJETIVO: Estudar os efeitos da dieta rica em lipídios (60% da energia total) de origem animal e vegetal no perfil lipídico e peso corporal. MATERIAL E MÉTODO: O estudo foi realizado com 8 voluntárias adultas saudáveis que participaram dos dois grupos experimentais (Grupo Gordura Animal - GA e Grupo Gordura Vegetal GV) com duração de 14 dias cada. O peso corporal foi determinado antes de cada dieta experimental e a cada 2 dias durante o experimento. Os lipídios circulantes foram dosados nos dias 0 e 15 de cada período experimental através do método enzimático. RESULTADOS: A perda de peso significativa (p<0,05) foi observada nos dois grupos experimentais (GA e GV). No GV não houve alteração nos lipídios circulantes, porém no GA ocorreram alterações significativas (elevação do HDL-colesterol e redução do LDL-colesterol). CONCLUSÃO: A natureza da gordura não alterou o efeito sobre o peso corporal, ambos os grupos perderam peso. Os conceitos largamente difundidos sobre a associação entre gordura de origem animal e aumento de peso bem como, hiperlipemias e doenças cardiovasculares precisam ser revisados
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Plaisance, Eric Paul Grandjean Peter W. "The effects of aerobic exercise and extended-release niacin on fasting and postprandial blood lipids." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2006%20Fall/Dissertations/PLAISANCE_ERIC_3.pdf.

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Michaelson, Jody. "The effects of continuous versus intermittent exercise training on post prandial lipemia /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418052.

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BAISSET, JEAN-MICHEL. "Apport de l'epreuve post-prandiale dans l'evaluation du risque cardiovasculaire chez les sujets coronariens normolipemiques." Rennes 1, 1994. http://www.theses.fr/1994REN1M091.

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Liu, Ying. "Interaction of exercise and fish oil on postprandial lipemia." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4565.

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Thesis (M.A.)--University of Missouri-Columbia, 2006.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (February 9, 2007) Includes bibliographical references.
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Wideman, Laurie. "Postprandial lipemia in abdominally obese and non-obese males." Virtual Press, 1993. http://liblink.bsu.edu/uhtbin/catkey/845959.

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Recent research has shown that the combination of high triglyceride (TG) levels and low high density lipoprotein (HDL) levels, significantly increases the incidence of coronary artery disease (CAD). The incidence of CAD is also increased in abdominally obese individuals. To assess differences in postprandial TG clearance patterns between abdominally obese (AO) and controls (C), fourteen healthy, normolipidemic males (seven controls and seven abdominally obese) completed an oral fat loading test (78 grams of fat). Blood samples were collected every hour for eight hours. Abdominally obese individuals had significantly greater TG values, significantly lower total HDL and HDL2 values and significantly greater area under the TG curve (p = 0.03). Time to reach peak TG and time to reach baseline TG values did not differ between the two groups, even though fewer AO individuals reached baseline within eight hours. The data from the present investigation indicate that increased time to clear TG in AO individuals may be one pathway that increases the incidence of CAD in this group.
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Books on the topic "Lipemi"

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Welagen, Robbert. Lipari. Amsterdam: Nijgh & Van Ditmar, 2006.

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Lipari, Museo eoliano di. Lipari, Museo eoliano. Palermo: Novecento, 1995.

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Matura pod lipama. Beograd: Čigoja štampa, 2004.

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Filippo Lippi. London: Constable, 1989.

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1606-1665, Lippi Lorenzo, ed. Lorenzo Lippi. Firenze: Edifir, 2002.

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Berti, Luciano. Filippino Lippi. Firenze: Edizioni d'arte Il Fiorino, 1991.

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Fossi, Gloria. Filippo Lippi. Firenze: SCALA, 1989.

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1406-1469, Lippi Filippo ca, ed. Filippo Lippi. Florence: Scala, 1995.

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Zambrano, Patrizia. Filippino Lippi. Milano: Electa, 2004.

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Venkov, Li͡ubomir. Lipidi v nervnata tŭkan. Sofii͡a: Bŭlgarska akademii͡a na naukite, 1985.

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Book chapters on the topic "Lipemi"

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Bährle-Rapp, Marina. "Lipom, auch: Lipoma." In Springer Lexikon Kosmetik und Körperpflege, 325. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_6061.

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Zhang, Mingjuan Lisa. "Lipemia Retinalis." In Encyclopedia of Ophthalmology, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35951-4_707-1.

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Zhang, Mingjuan Lisa. "Lipemia Retinalis." In Encyclopedia of Ophthalmology, 1078–79. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-540-69000-9_707.

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Mocellin, Simone. "Lipoma." In Soft Tissue Tumors, 491–94. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58710-9_152.

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Vidal, C., and W. R. Külpmann. "Lipämie." In Springer Reference Medizin, 1469–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-48986-4_1880.

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Vidal, C., and W. R. Külpmann. "Lipämie." In Lexikon der Medizinischen Laboratoriumsdiagnostik, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-49054-9_1880-1.

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Bratani, L., Ole Welling, and H. E. Schaller. "Lipome." In Plastische Chirurgie, 301–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-48849-2_20.

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Campanacci, Mario, Franco Bertoni, and Patrizia Bacchini. "Lipoma." In Bone and Soft Tissue Tumors, 902–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-662-29279-2_68.

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Rodière, Mathieu, and Frédéric Thony. "Lipome." In Collection de la Société française d’imagerie cardiaque et vasculaire, 99–101. Paris: Springer Paris, 2009. http://dx.doi.org/10.1007/978-2-287-99695-5_21.

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Bruneton, Jean-Noël. "Lipoma." In Imaging of Gastrointestinal Tract Tumors, 38–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-83825-5_4.

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Conference papers on the topic "Lipemi"

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Chen, Chien Chin, Meng Chang Chen, and Ming-Syan Chen. "LIPED." In Proceeding of the eleventh ACM SIGKDD international conference. New York, New York, USA: ACM Press, 2005. http://dx.doi.org/10.1145/1081870.1081936.

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Malhotra, Rajiv, Ishan Saxena, Kornel Ehmann, and Jian Cao. "Line-Based Laser Induced Plasma Micro-Machining (L-LIPMM)." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1153.

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Recently, the technique of Spot-based Laser Induced Plasma Micro-Machining (Spot-LIPMM) has been developed to address the limitations of conventional ultrashort pulse laser micro-machining. Its main advantages are adaptability to a wide range of materials and superior wall geometries. We propose a variation of the Spot-LIPMM process by creating line plasma instead of spot plasma, with the use of suitable optics. This paper describes the experimental setup used to create line plasma and the process used for micro-machining with L-LIPMM. Optics simulations are developed as a means of guiding the choice of optics to be used for line plasma generation and estimating the energy and shape of the plasma created. It is shown that this Line-based LIPMM (L-LIPMM) process is capable of micromachining channels at a much higher speed than conventional Spot-based laser ablation or spot-based LIPMM. Additionally, the effects of process parameters on machined geometry using L-LIPMM are discussed.
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Kohrs, S., O. Niclaus, B. Wysocki, and C. Külkens. "Pedunculated lipoma of the esophagus." In Abstract- und Posterband – 89. Jahresversammlung der Deutschen Gesellschaft für HNO-Heilkunde, Kopf- und Hals-Chirurgie e.V., Bonn – Forschung heute – Zukunft morgen. Georg Thieme Verlag KG, 2018. http://dx.doi.org/10.1055/s-0038-1639744.

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Immer, T., W. Flügel, and M. Bloching. "Transorale Exzision eines prävertebralen Lipoms." In Abstract- und Posterband – 91. Jahresversammlung der Deutschen Gesellschaft für HNO-Heilkunde, Kopf- und Hals-Chirurgie e.V., Bonn – Welche Qualität macht den Unterschied. © Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0040-1711522.

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Sunam, Guven Sadi, Murat Oncel, Fikret Kanat, and Huseyin YIldiran. "Bronchoscopic resection of endobronchial lipoma." In ERS International Congress 2017 abstracts. European Respiratory Society, 2017. http://dx.doi.org/10.1183/1393003.congress-2017.pa2451.

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Kohrs, S., O. Niclaus, B. Wysocki, and C. Külkens. "Gestieltes ösophageales Lipom." In Abstract- und Posterband – 89. Jahresversammlung der Deutschen Gesellschaft für HNO-Heilkunde, Kopf- und Hals-Chirurgie e.V., Bonn – Forschung heute – Zukunft morgen. Georg Thieme Verlag KG, 2018. http://dx.doi.org/10.1055/s-0038-1639743.

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Noschinski, L., E. Bensmann, and M. Braun. "Großes axilläres Lipom." In Wissenschaftliche Abstracts zur 40. Jahrestagung der Deutschen Gesellschaft für Senologie e.V. (DGS) Interdisziplinär. Kommunikativ. Digital. Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/s-0041-1730140.

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Wright, Amanda. "Crystallinity of Emulsified Triacylglycerols Modulates Lipemic Response in Healthy Male Participants." In Virtual 2021 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2021. http://dx.doi.org/10.21748/am21.227.

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de Castro, Maria, André Cecchini, Brenda Resmin, Ernani de Souza, Gustavo Schuster, Henrique Veit, Virgínia Reinert, and Diego Zambonin. "Relato de caso sobre lipoma intradural." In XXXII Congresso Brasileiro de Neurocirurgia. Thieme Revinter Publicações Ltda, 2018. http://dx.doi.org/10.1055/s-0038-1672579.

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Immer, T., W. Flügel, and M. Bloching. "Transoral excision of a prevertebral lipoma." In Abstract- und Posterband – 91. Jahresversammlung der Deutschen Gesellschaft für HNO-Heilkunde, Kopf- und Hals-Chirurgie e.V., Bonn – Welche Qualität macht den Unterschied. © Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0040-1710879.

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Reports on the topic "Lipemi"

1

Marsh, Charles P., Thomas A. Carlson, Robert A. Weber, Carl A. Feickert, and Peter B. Stynoski. Lipari Landfill Piping Network Corrosion Condition Assessment and Service Life Prediction Analysis. Fort Belvoir, VA: Defense Technical Information Center, December 2008. http://dx.doi.org/10.21236/ada500700.

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Cuello, Maria Soledad, and Verónica Yanina Presas. Lipoma endobronquial como causa de obstrucción bronquial y atelectasia. Informe de un caso. Buenos Aires: siicsalud.com, March 2016. http://dx.doi.org/10.21840/siic/147530.

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Casati, Roberto. Computing shadows' consistency on the image: some lessons from the Lippi School. Coldev Editions, May 2009. http://dx.doi.org/10.5095/peerev-27080.

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