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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Der Nervenarzt 69 (1998), S. 516-518 
    ISSN: 1433-0407
    Schlagwort(e): Schlüsselwörter Paraneoplastische Erkrankungen ; Anti-Ri-Syndrom ; Kleinhirndegeneration ; Blickparese ; Brustkrebs ; Key words Diplopia ; Subacute paraneoplastic cerebellar degeneration ; Breast cancer
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Summary
    Notizen: Zusammenfassung
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 287-288 (Aug. 1998), p. 235-238 
    ISSN: 1662-9752
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Maschinenbau
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Intensive care medicine 22 (1996), S. 1406-1409 
    ISSN: 1432-1238
    Schlagwort(e): Keywords Respiratory failure ; Mitochondrial myopathy ; Acid maltase deficiency ; Intermittent positive pressure ventilation ; Carnitine palmitoyl transferase deficiency
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract   Objective: To describe how patients cope with the propos-al of treatment with intermittent artificial ventilation after acute respiratory failure due to progressive respiratory muscle weakness. Design: Case series, follow-up study. Setting: Neurological intensive care unit (ICU). Patients: 7 consecutive patients with metabolic myopathy treated for acute respiratory failure between 1983 and 1992. interventions: Intermittent positive pressure ventilation (IPPV) via tracheostomy. Measurements and results: Symptoms of chronic hypoventilation preceded acute respiratory failure for months. With one exception, patients were mainly disabled from respiratory muscle weakness and sleep-related breathing disorders. IPPV was recommended to prevent recurrent respiratory failure. Two of 28.8nthree patients who accepted home IPPV returned to full-time jobs. One patient, who decided against IPPV, died from CO2 narcosis several months after discharge. All patients adhered to the respiratory regimen once instituted. Conclusions: Acute respiratory failure in chronic myopathy is heralded by daytime drowsiness. IPPV, or at least regular monitoring of waking and sleeping partial pressure of carbon dioxide, is highly recommended even if weaning is successful. IPPV improved quality of life. The treatment strategy at discharge from the ICU should be optimal, as patients are reluctant to modify regimens.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Springer
    Intensive care medicine 22 (1996), S. 1406-1409 
    ISSN: 1432-1238
    Schlagwort(e): Respiratory failure ; Mitochondrial myopathy ; Acid maltase deficiency ; Intermittent positive pressure ventilation ; Carnitine palmitoyl transferase deficiency
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Objective To describe how patients cope with the proposal of treatment with intermittent artificial ventilation after acute respiratory failure due to progressive respiratory muscle weakness. Design Case series, follow-up study. Setting Neurological intensive care unit (ICU). Patients 7 consecutive patients with metabolic myopathy treated for acute respiratory failure between 1983 and 1992. Interventions Intermittent positive pressure ventilation (IPPV) via tracheostomy. Measurements and results Symptoms of chronic hypoventilation preceded acute respiratory failure for months. With one exception, patients were mainly disabled from respiratory muscle weakness and sleep-related breathing disorders. IPPV was recommended to prevent recurrent respiratory failure. Two of three patients who accepted home IPPV returned to full-time jobs. One patient, who decided against IPPV, died from CO2 narcosis several months after discharge. All patients adhered to the respiratory regimen once instituted. Conclusions Acute respiratory failure in chronic myopathy is heralded by daytime drowsiness. IPPV, or at least regular monitoring of waking and sleeping partial pressure of carbon dioxide, is highly recommended even if weaning is successful. IPPV improved quality of life. The treatment strategy at discharge from the ICU should be optimal, as patients are reluctant to modify regimens.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Springer
    Journal of molecular medicine 77 (1999), S. 118-120 
    ISSN: 1432-1440
    Schlagwort(e): Key words Collagenase ; Ficoll ; Endotoxin ; Human mononuclear cells ; Interleukin-1β release
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Endotoxin-induced early inflammatory reactions may inhibit the function and survival of isolated cells or cell aggregates after transplantation. By the chromogenic Limulus amebocyte lysate assay we found rather high but variable endotoxin concentrations in the chemicals used for islet isolation, i.e. collagenase and Ficoll. Liberase, a special collagenase preparation from Boehringer, was nearly endotoxin-free. Correlating to the endotoxin content, collagenase and Ficoll had the capacity to induce interleukin-1β release from human peripheral blood mononuclear cells. Because collagenase and density gradient media are needed in most cell isolation procedures from solid organs, each lot of these chemicals should be tested for endotoxin contamination. In pancreatic islet transplantation, the use of endotoxin-free chemicals may diminish early local inflammatory reactions at the graft site and thereby reduce the number of islets needed for successful islet transplantation.
    Materialart: Digitale Medien
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  • 6
    ISSN: 1432-1440
    Schlagwort(e): Key words Islet allotransplantation ; Immunosuppressive induction therapy ; Cytokine expression
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The macrophage derived cytokines interleukin-1 beta (IL-1β), and tumor necrosis factor alpha (TNFα), and the T-cell derived cytokine interferon gamma (IFNγ) have been implicated to play an important role in early attack on islet cells during human islet transplantation (ITx). Therefore, the aim of this study was to investigate the influence of the current immunosuppressive induction therapy in clinical islet transplantation on mRNA expression of these cytokines in blood cells, compared to lipopolysaccharide (LPS) induced cytokine release in vitro and to plasma levels. The cytokine release correlated to lymphocyte counts and significantly decreased after ATG, and partially recovered 2 weeks after ITx. Unexpectedly, there was no correlation between mRNA expression for IL-1β in total blood and the number of lymphocytes and monocytes remaining after anti thymocyte globulin (ATG)-therapy. Even when the blood was nearly totally depleted from mononuclear cells, high amounts of IL-1β mRNA could be detected. However, IL-1β secretion could not be stimulated in vitro. Our results show that application of ATG during ITx might contribute to graft survival during the early posttransplant period by suppression of the synthesis of monocyte derived cytokines IL-1β and TNFα.
    Materialart: Digitale Medien
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  • 7
    Digitale Medien
    Digitale Medien
    Springer
    Journal of neurology 246 (1999), S. 1015-1022 
    ISSN: 1432-1459
    Schlagwort(e): Key words Polyneuritis ; Autonomic dysfunction ; Intensive ; care ; Cardiac arrest ; Blood pressure
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract This study sought to establish quantitative criteria for dysautonomia in artificially ventilated patients with Guillain-Barré syndrome (GBS). Such criteria would help to identify patients at risk for cardiovascular complications. This retrospective controlled clinical study compared hourly cardiovascular monitoring data from 36 successive, artificially ventilated GBS patients with that from 11 artificially ventilated control patients with myasthenia. Tolerance limits for daily means, extremes, and variations in heart rate (HR) and blood pressure (BP) were estimated from the most abnormal subgroups of the treatment days of our control patients. These exceeded previously suggested arbitrary cutoff values for dysautonomia. The range in systolic BP was increased in 27 GBS patients, despite an upper limit of normal (85 mmHg) that was double the value suggested in previous work. All 16 patients with mean systolic BP above 165 mm Hg also had persistent tachycardia (mean HR 〉 125 bpm), or were treated with β-blockers. This pattern of sympathetic hyperactivity was combined with probable vagal hyperactivity (bradycardia 〈 48 bpm) in 6 patients. Hypotension (minimal systolic BP 〈 85 mm Hg) and unprovoked bradycardia indicated sympathetic hypoactivity in 3 patients. Except in one patient who suffered from asystole on his first day on the ICU, all episodes of bradycardia were preceded by increased daily systolic BP variation (〉 85 mm Hg), which thus proved to be a sensitive and prognostically valuable indicator of dysautonomia in GBS.
    Materialart: Digitale Medien
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  • 8
    Digitale Medien
    Digitale Medien
    Springer
    Mathematische Zeitschrift 228 (1998), S. 435-450 
    ISSN: 0025-5874
    Schlagwort(e): Mathematics Subject Classification (1991):20M20, 20B40, 20M10
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract. Let $S$ be a transformation semigroup of degree $n$ . To each element $s\in S$ we associate a permutation group $G_R(s)$ acting on the image of $s$ , and we find a natural generating set for this group. It turns out that the $\mathcal{R}$ -class of $s$ is a disjoint union of certain sets, each having size equal to the size of $G_R(s)$ . As a consequence, we show that two $\mathcal{R}$ -classes containing elements with equal images have the same size, even if they do not belong to the same $\mathcal{D}$ -class. By a certain duality process we associate to $s$ another permutation group $G_L(s)$ on the image of $s$ , and prove analogous results for the $\mathcal{L}$ -class of $S$ . Finally we prove that the Schützenberger group of the $\mathcal{H}$ -class of $s$ is isomorphic to the intersection of $G_R(s)$ and $G_L(s)$ . The results of this paper can also be applied in new algorithms for investigating transformation semigroups, which will be described in a forthcoming paper.
    Materialart: Digitale Medien
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  • 9
    Digitale Medien
    Digitale Medien
    Springer
    Gefässchirurgie 5 (2000), S. 125-129 
    ISSN: 1434-3932
    Schlagwort(e): Schlüsselwörter HIT Typ II ; Heparin-induzierte Thrombozytopenie ; White-clot-Syndrom ; Danaparoid ; Rekombinantes Hirudin ; Key words HIT type II ; Heparin-induced Thrombocyopenia ; White clot Syndrome ; Danaparoid ; Hirudin
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Abstract  The case of a 71-year-old patient is discussed in whom early occlusions of an implanted bypass and peripheral arteries developed after implantation of a femoropopliteal PTFE bypass and several reoperations. Heparin-induced thrombocytopenia (HIT) type II was suspected because of the intraoperative aspect of white clots and when platelet counts fell below 50% of initial levels. A platelet aggregation test confirmed the diagnosis. After discontinuing the heparin therapy and using danaparoid, the platelet count continued to fall, so cross-reactivity to this heparinoid was assumed and confirmed in a second laboratory test. We switched to an anticoagulation regimen with phenprocoumon and used hirudin for the perioperative prophylaxis when another reoperation was required. Problems confirming the diagnosis of HIT type II and difficulties in patients with cross-reactivity to other heparinoids are discussed.
    Notizen: Zusammenfassung  Es wird über den Verlauf bei einer 71jährigen Patientin berichtet, bei der es nach Anlage eines femoropoplitealen Bypasses sowie mehrfachen Revisions-operationen zu frühen Bypassverschlüssen und peripheren Gefäßokklusionen kam. Ein zusätzli- cher Abfall der Thrombozytenwerte unter 50% der Ausgangswerte in Zusammenhang mit dem intraoperativem Befund ”weißer Thromben” lenkte den Verdacht auf’ein White-clot-Syndrom bei Heparin-induzierter Thrombozytopenie Typ II, welche sich im Heparin-induzierten Plättchenaggregationstest (HIPA) bestätigte. Nach Umsetzen der Heparin-Therapie auf Danaparoid-Na (Orgaran) kam es zu einem weiteren Abfall derThrombozyten. Der klini-sche Verdacht auf Kreuzreaktivität zu Danaparoid-Na wurde im HIPA-Test verifiziert. Im weiterem Verlauf erfolgte zunächst die Antikoagula- tion mit Phenprocoumon (Marcumar) und dann im Rahmen eines Revisionseingriffs mit rekombinantem Hirudin (Refludan, Fa. Hoechst). Die Probleme bezüglich rechtzeitiger Diagnosestellung und antikoagu-lativer Therapie bei Kreuzreaktivität mit Orgaran werden diskutiert.
    Materialart: Digitale Medien
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  • 10
    ISSN: 1433-0407
    Schlagwort(e): Schlüsselwörter Hypokalzämie ; Enzephalopathie ; Pseudohypoparathyreoidismus ; Hirnödem ; Epilepsie ; Key words Hypocalcemia ; Encephalopathy ; Pseudohypoparathyroidism ; Brain edema ; Epilepsy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Summary A 16 year old patient with the typical clinical signs of Albright's hereditary dystrophia developed series of epileptic seizures with loss of consciousness, tonic muscle contractions and bite of the tongue. After termination of the seizures there was coma without focal neurological signs. CT scan revealed diffuse brain edema. Electroencephalographic studies showed generalized slowing. In laboratory tests the only abnormalities were marked hypocalcemia (1.15 mmol/l) and hyperphosphatemia. Blood parathyroid hormone (PTH) was elevated. PTH-Test confirmed the diagnosis of pseudohypoparathyroidism. The patient was treated with calcium and 1,25-dihydroxy-cholecalciferol. After few days the severe encephalopathy, CT and electroencephalographic changes were completely reversible. Hereditary disturbances of the parathyroid hormone metabolism are rare diseases. Hypocalcemia must be included into the differential diagnosis of seizures and brain edema to avoid invasive diagnostic and irrational treatment.
    Notizen: Zusammenfassung Ein 16 jähriger Patient mit vorbestehend retardierter intellektueller Entwicklung erkrankte ohne Prodromalsymptome akut mit einer Serie von epileptischen Anfällen mit Bewußtseinsverlust, tonischen Muskelkontraktionen und Zungenbiß. Nach Termination der Anfälle war der Patient komatös. Klinische Herdzeichen bestanden nicht. Inspektorisch zeigten sich Kleinwuchs und Brachydaktylie. Im CCT fand sich eine generalisierte Hirnschwellung, im EEG eine schwere Allgemeinveränderung. Einziger labordiagnostisch wegweisender Befund war eine ausgeprägte Hypokalzämie von 1,15 mmol/l und mäßige Hyperphosphatämie. Der Parathormonspiegel war deutlich erhöht. Der Parathormontest bestätigte die Diagnose des Pneudohypoparathyreoidismus. Durch Anheben des Serumkalziumspiegels und Gabe von 1,25-Dihydroxy-Cholecalciferol waren die akut aufgetretene Enzephalopathie sowie die CCT- und EEG-Veränderungen innerhalb weniger Tage vollständig reversibel. Elektrolytstörungen wie die Hypokalzämie beim Pseudohypoparathyreoidismus sind eine wichtige, wenn auch seltene Differentialdiagnose einer akuten Enzephalopathie mit Anfällen und Hirnödem beim jungen Patienten und bedürfen einer spezifischen Behandlung
    Materialart: Digitale Medien
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