991 resultados para Vogt, KarlVogt, KarlKarlVogt
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Dieser Band dokumentiert die Referate und Diskussionen des fünften Jahrestreffens von Gesellschafts- und Kapitalmarktrechtlern aus Deutschland, Österreich und der Schweiz. Er behandelt grundlegende und aktuelle Fragen des Enforcements: die Durchsetzung von Schadensersatzansprüchen gegen Organmitglieder, Vergleiche über gesellschaftsrechtliche Amsprüche, Gesellschaftsrecht und Schiedsrecht, die actio pro socio im GmbH- und Personengesellschaftsrecht, Kapitalmarktrecht zwischen öffentlichrechtlicher und privatrechtlicher Normdurchsetzung, Strafrecht als Mittel zur Durchsetzung des Gesellschaftsrechts.
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CONTEXT Complex steroid disorders such as P450 oxidoreductase deficiency or apparent cortisone reductase deficiency may be recognized by steroid profiling using chromatographic mass spectrometric methods. These methods are highly specific and sensitive, and provide a complete spectrum of steroid metabolites in a single measurement of one sample which makes them superior to immunoassays. The steroid metabolome during the fetal-neonatal transition is characterized by a) the metabolites of the fetal-placental unit at birth, b) the fetal adrenal androgens until its involution 3-6 months postnatally, and c) the steroid metabolites produced by the developing endocrine organs. All these developmental events change the steroid metabolome in an age- and sex-dependent manner during the first year of life. OBJECTIVE The aim of this study was to provide normative values for the urinary steroid metabolome of healthy newborns at short time intervals in the first year of life. METHODS We conducted a prospective, longitudinal study to measure 67 urinary steroid metabolites in 21 male and 22 female term healthy newborn infants at 13 time-points from week 1 to week 49 of life. Urine samples were collected from newborn infants before discharge from hospital and from healthy infants at home. Steroid metabolites were measured by gas chromatography-mass spectrometry (GC-MS) and steroid concentrations corrected for urinary creatinine excretion were calculated. RESULTS 61 steroids showed age and 15 steroids sex specificity. Highest urinary steroid concentrations were found in both sexes for progesterone derivatives, in particular 20α-DH-5α-DH-progesterone, and for highly polar 6α-hydroxylated glucocorticoids. The steroids peaked at week 3 and decreased by ∼80% at week 25 in both sexes. The decline of progestins, androgens and estrogens was more pronounced than of glucocorticoids whereas the excretion of corticosterone and its metabolites and of mineralocorticoids remained constant during the first year of life. CONCLUSION The urinary steroid profile changes dramatically during the first year of life and correlates with the physiologic developmental changes during the fetal-neonatal transition. Thus detailed normative data during this time period permit the use of steroid profiling as a powerful diagnostic tool.
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Bibliograph. Nachweis: Wolf, Sylvia: Politische Karikaturen in Deutschland 1848/49. Mittenwald 1982. – vgl. 1.27 Nr. 68
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Bibliograph. Nachweis: Wolf, Sylvia: Politische Karikaturen in Deutschland 1848/49. Mittenwald 1982. – 1. 21 Nr. 24
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Karikatur auf die Abgeordneten der Frankfurter Nationalversammlung mit Bezug auf die Gefahr von rechts.
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A heterozygous mutation (c.643C>A; p.Q215X) in the monocarboxylate transporter 12-encoding gene MCT12 (also known as SLC16A12) that mediates creatine transport was recently identified as the cause of a syndrome with juvenile cataracts, microcornea, and glucosuria in a single family. Whereas the MCT12 mutation cosegregated with the eye phenotype, poor correlation with the glucosuria phenotype did not support a pathogenic role of the mutation in the kidney. Here, we examined MCT12 in the kidney and found that it resides on basolateral membranes of proximal tubules. Patients with MCT12 mutation exhibited reduced plasma levels and increased fractional excretion of guanidinoacetate, but normal creatine levels, suggesting that MCT12 may function as a guanidinoacetate transporter in vivo. However, functional studies in Xenopus oocytes revealed that MCT12 transports creatine but not its precursor, guanidinoacetate. Genetic analysis revealed a separate, undescribed heterozygous mutation (c.265G>A; p.A89T) in the sodium/glucose cotransporter 2-encoding gene SGLT2 (also known as SLC5A2) in the family that segregated with the renal glucosuria phenotype. When overexpressed in HEK293 cells, the mutant SGLT2 transporter did not efficiently translocate to the plasma membrane, and displayed greatly reduced transport activity. In summary, our data indicate that MCT12 functions as a basolateral exit pathway for creatine in the proximal tubule. Heterozygous mutation of MCT12 affects systemic levels and renal handling of guanidinoacetate, possibly through an indirect mechanism. Furthermore, our data reveal a digenic syndrome in the index family, with simultaneous MCT12 and SGLT2 mutation. Thus, glucosuria is not part of the MCT12 mutation syndrome.
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gehalten von C. Seligmann
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BACKGROUND Delayed-onset muscle soreness (DOMS) is a common symptom in people participating in exercise, sport, or recreational physical activities. Several remedies have been proposed to prevent and alleviate DOMS. DESIGN AND METHODS A five-arm randomized controlled study was conducted to examine the effects of acupuncture on eccentric exercise-induced DOMS of the biceps brachii muscle. Participants were recruited through convenience sampling of students and general public. Participants were randomly allocated to needle, laser, sham needle, sham laser acupuncture, and no intervention. Outcome measures included pressure pain threshold (PPT), pain intensity (visual analog scale), and maximum isometric voluntary force. RESULTS Delayed-onset muscle soreness was induced in 60 participants (22 females, age 23.6 ± 2.8 years, weight 66.1 ± 9.6 kg, and height 171.6 ± 7.9 cm). Neither verum nor sham interventions significantly improved outcomes within 72 hours when compared with no treatment control (P > 0.05). CONCLUSIONS Acupuncture was not effective in the treatment of DOMS. From a mechanistic point of view, these results have implications for further studies: (1) considering the high-threshold mechanosensitive nociceptors of the muscle, the cutoff for PPT (5 kg/cm) chosen to avoid bruising might have led to ceiling effects; (2) the traditional acupuncture regimen, targeting muscle pain, might have been inappropriate as the DOMS mechanisms seem limited to the muscular unit and its innervation. Therefore, a regionally based regimen including an intensified intramuscular needling (dry needling) should be tested in future studies, using a higher cutoff for PPT to avoid ceiling effects.
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OBJECTIVE To assess recommended and actual use of statins in primary prevention of cardiovascular disease (CVD) based on clinical prediction scores in adults who develop their first acute coronary syndrome (ACS). METHOD Cross-sectional study of 3172 adults without previous CVD hospitalized with ACS at 4 university centers in Switzerland. The number of participants eligible for statins before hospitalization was estimated based on the European Society of Cardiology (ESC) guidelines and compared to the observed number of participants on statins at hospital entry. RESULTS Overall, 1171 (37%) participants were classified as high-risk (10-year risk of cardiovascular mortality ≥5% or diabetes); 1025 (32%) as intermediate risk (10-year risk <5% but ≥1%); and 976 (31%) as low risk (10-year risk <1%). Before hospitalization, 516 (16%) were on statins; among high-risk participants, only 236 of 1171 (20%) were on statins. If ESC primary prevention guidelines had been fully implemented, an additional 845 high-risk adults (27% of the whole sample) would have been eligible for statins before hospitalization. CONCLUSION Although statins are recommended for primary prevention in high-risk adults, only one-fifth of them are on statins when hospitalized for a first ACS.
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AIMS We aimed to assess the prevalence and management of clinical familial hypercholesterolaemia (FH) among patients with acute coronary syndrome (ACS). METHODS AND RESULTS We studied 4778 patients with ACS from a multi-centre cohort study in Switzerland. Based on personal and familial history of premature cardiovascular disease and LDL-cholesterol levels, two validated algorithms for diagnosis of clinical FH were used: the Dutch Lipid Clinic Network algorithm to assess possible (score 3-5 points) or probable/definite FH (>5 points), and the Simon Broome Register algorithm to assess possible FH. At the time of hospitalization for ACS, 1.6% had probable/definite FH [95% confidence interval (CI) 1.3-2.0%, n = 78] and 17.8% possible FH (95% CI 16.8-18.9%, n = 852), respectively, according to the Dutch Lipid Clinic algorithm. The Simon Broome algorithm identified 5.4% (95% CI 4.8-6.1%, n = 259) patients with possible FH. Among 1451 young patients with premature ACS, the Dutch Lipid Clinic algorithm identified 70 (4.8%, 95% CI 3.8-6.1%) patients with probable/definite FH, and 684 (47.1%, 95% CI 44.6-49.7%) patients had possible FH. Excluding patients with secondary causes of dyslipidaemia such as alcohol consumption, acute renal failure, or hyperglycaemia did not change prevalence. One year after ACS, among 69 survivors with probable/definite FH and available follow-up information, 64.7% were using high-dose statins, 69.0% had decreased LDL-cholesterol from at least 50, and 4.6% had LDL-cholesterol ≤1.8 mmol/L. CONCLUSION A phenotypic diagnosis of possible FH is common in patients hospitalized with ACS, particularly among those with premature ACS. Optimizing long-term lipid treatment of patients with FH after ACS is required.
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Boberach: Knappen Darstellungen der Ereignisse in Baden, der Pfalz und Dresden 1849 und der Wiener Oktoberrevolution 1848 folgen Beiträge über Max Dortu, Gustav Schlöffel, Blum, August Bernigau, Messenhäuser [sic!], Lamartine, Bem, Graf Batthyani, Struve, Greiner, P. Fries, Reichard, Hepp, Hanitz, Nikolaus Schmitt, Cullmann [sic!], Goldmark, d'Ester, Franz Umbscheiden, Blenker, Raquillet [sic!], Sznayder [sic!], Zitz, Eisenstuck, Crzeriak, Fr. Ludwig Krahn, Dr. Sander, Jodokus Temme, Schulze-Delitzsch, Carl Vogt; eingefügt sind Briefe und Aufzeichnungen über die Prozesse in Rastatt, die Prager Unruhen im Juni 1848, die Kämpfe in Ungarn und die Lage der Emigranten, ferner Gedichte, u.a. von Herwegh
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BACKGROUND Brain dysfunction is common in sepsis. We aimed to assess whether cerebral perfusion, oxygenation, and/or metabolism are abnormal during early endotoxemia, and how they may relate to potential neurohistological changes. METHODS In this prospective animal study, we included 12 pigs (weight: 42 ± 4 kg; mean ± SD) that were exposed to Escherichia coli lipopolysaccharide (E. coli LPS B0111 : B4, 0.4 μg/kg/h) or saline infusion (n = 6, each) for 10 h. Systemic hemodynamics, cerebral blood flow, intracranial pressure, and brain tissue oxygen tension were continuously measured. At the end of the experiment, formalin-fixed brains were cut in coronal sections and embedded in paraffin. Afterwards, the sections were cut at 5 microns and stained with hematoxylin and eosin. RESULTS Stable systemic hemodynamics in both groups were associated with higher carotid arterial blood flow after 10 h of endotoxemia (9.0 ± 2.2 ml/kg/min) compared to controls (6.6 ± 1.2 ml/kg/min; time-group interaction: P = 0.014). Intracranial pressure, cerebral perfusion pressure, brain oxygen consumption, and brain tissue oxygen tension were similar in both groups. In four of the six endotoxemic animals but in none of the controls, cerebral tissue lesions were found (encephalomalacia with spongy degeneration of white matter, axonal swelling, and ischemic neuronal thalamic necrosis), including significant venous vascular alterations, predominantly in the brainstem, in three of the four animals. CONCLUSIONS Early endotoxemia seems to be associated with histological signs of brain damage unrelated to systemic or cerebral hemodynamics or oxygenation.