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Deutsches Ärzteblatt⏐⏐Jg. 104⏐⏐Heft 13⏐⏐30. März 2007

A 867

M E D I Z I N

Manuskriptdaten

eingereicht: 7. 9. 2006, revidierte Fassung angenommen: 25. 1. 2007

LITERATUR

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2. Morrish NJ, Stevens LK, Head J, Fuller JH, Jarrett RJ, Keen H: A pros- pective study of mortality among middle-aged diabetic patients (the London Cohort of the WHO Multinational Study of Vascular Disease in Diabetics) II: Associated risk factors. Diabetologia 1990; 33: 542–8.

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722–8.

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11. Pyorala K, Pedersen TR, Kjekshus J, Faergeman O, Olsson AG, Thor- geirsson G: Cholesterol lowering with simvastatin improves prognosis of diabetic patients with coronary heart disease. A subgroup analysis of the Scandinavian Simvastatin Survival Study (4S). Diabetes Care 1997; 20: 614–20.

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Effects of an angiotensin-converting-enzyme inhibitor, ramipril, on cardiovascular events in high-risk patients. The Heart Outcomes Prevention Evaluation Study Investigators. N Engl J Med 2000; 342:

145–53.

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14. Moser M, Setaro JF: Resistant or difficult-to-control hypertension.

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translating clinical trials to practice. Hypertension 2002; 40: 464–9.

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361: 2005–16.

17. Colhoun HM, Betteridge DJ, Durrington PN, Hitman GA, Neil HA, Li- vingstone SJ et al.: Primary prevention of cardiovascular disease with atorvastatin in type 2 diabetes in the Collaborative Atorvastatin Dia- betes Study (CARDS): multicentre randomised placebo-controlled tri- al. Lancet 2004; 364: 685–96.

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377–80.

Anschrift für die Verfasser Prof. Dr. med. Heiner K. Berthold

Geschäftsstelle der Arzneimittelkommission der deutschen Ärzteschaft Herbert-Lewin-Platz 1, 10623 Berlin

E-Mail: berthold@uni-bonn.de

The English version of this article is available online:

www.aerzteblatt.de/english Mit „e“ gekennzeichnete Literatur:

www.aerzteblatt.de/lit1307

Grafiken e1–e3 und der Fragebogen im Internet:

www.aerzteblatt.de/artikel/07861

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REFERIERT

Komplement C3a Anaphylatoxin weist auf kolorektale Tumoren hin

Nach wie vor fehlt ein Tumormarker, der verlässlich auf kolorektale Tumoren im Frühstadium hinweist; CEA dient in erster Linie der Ver- laufsbeobachtung operierter fortgeschrittener Karzinome. Die ameri- kanischen Autoren berichten über Untersuchungen an 58 Patienten mit kolorektalen Adenomen und Karzinomen sowie 52 gesunden Kontrollen, in deren Seren nach dem Komplement C3a Anaphylatoxin

(C3a-desArg) gefahndet wurde. Bei verblindeter Auswertung wiesen erhöhte Serumspiegel mit einer Sensitivität von 96,8 % und einer Spezifität von 96,2 % auf kolorektale Malignome hin. Bei Patienten mit Adenomen des Dickdarms waren die C3a-desArg-Spiegel in 86,1 % der Fälle erhöht, nur bei 5,6 % lagen sie im Normbereich. Die Autoren glauben, dass mit der C3a-desArg-Messung bestehende Screeningverfahren auf kolorektale Tumoren nachhaltig verbessert

werden können. w

Nebermann JK et al.: Increased serum levels of complement C3a anaphylatoxin indicate the presence of colorectal tumors. Gastroenterology 2006; 131: 1020–9.

E-Mail: riedt@mail.nih.gov

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