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Dernières entêtes d'Actus

La banquise arctique connaît à nouveau un niveau de fonte historique
Mercredi 17 Septembre 2008 - 08:59 - 2 mois depuis - Presse généraliste - Le monde Sciences
La banquise a diminué cette année de 33 %.

Un test de dépistage du cancer des ovaires fait polémique
Mercredi 17 Septembre 2008 - 07:39 - 2 mois depuis - Presse généraliste - Le monde Sciences
Le cancer de l'ovaire résiste aux progrès thérapeutiques du fait de son diagnostic tardif.

Ponte sur commande
Mercredi 17 Septembre 2008 - 07:33 - 2 mois depuis - Presse généraliste - Nouvel Observateur Sciences
Certains arthropodes peuvent modifier leur reproduction et les caractéristiques de leur progéniture en fonction des conditions environnementales ou sociales. C’est le cas des collemboles dont la femelle ajuste son comportement reproducteur d’une ponte à l’autre.

PERSPECTIVE: Beyond Pay for Performance -- Emerging Models of Provider-Payment Reform
Mercredi 17 Septembre 2008 - 06:55 - 2 mois depuis - Presse spécialisée - New England Journal of Medicin
Escalating costs and the growing imbalance between primary and specialty care have increased the urgency of calls for fundamental reform of the health care payment system. At the core of ...

PERSPECTIVE: No Place Like Home -- Testing a New Model of Care Delivery
Mercredi 17 Septembre 2008 - 06:55 - 2 mois depuis - Presse spécialisée - New England Journal of Medicin
Seeking ways to slow the growth of Medicare spending and to better coordinate the health care it finances, the federal government is preparing to test the concept of the "medical ...

PERSPECTIVE: Building a Medical Neighborhood for the Medical Home
Mercredi 17 Septembre 2008 - 06:55 - 2 mois depuis - Presse spécialisée - New England Journal of Medicin
Recent efforts to improve primary care in the United States have focused largely on the development and implementation of practice models and payment reforms intended to create a "medical home" ...

ORIGINAL ARTICLE: Accuracy of CT Colonography for Detection of Large Adenomas and Cancers
Mercredi 17 Septembre 2008 - 06:55 - 2 mois depuis - Presse spécialisée - New England Journal of Medicin
In this comparison of CT colonography and optical colonoscopy in 2600 asymptomatic study participants 50 years of age or older at 15 centers, 90% of large colorectal adenomas and adenocarcinomas detected by optical colonoscopy were also detected on CT colonography, and 10% were missed by CT colonography.

ORIGINAL ARTICLE: Five-Year Risk of Colorectal Neoplasia after Negative Screening Colonoscopy
Mercredi 17 Septembre 2008 - 06:55 - 2 mois depuis - Presse spécialisée - New England Journal of Medicin
In this study of subjects who had no adenomas or cancers on baseline screening colonoscopy, advanced adenomas were detected in only 1.3% of those who returned for rescreening after 5 years. These findings support a rescreening interval of 5 years or longer for patients at average risk who have normal findings on colonoscopy.

ORIGINAL ARTICLE: Telmisartan to Prevent Recurrent Stroke and Cardiovascular Events
Mercredi 17 Septembre 2008 - 06:55 - 2 mois depuis - Presse spécialisée - New England Journal of Medicin
In a multicenter trial, 20,332 patients who had recently had an ischemic stroke were randomly assigned to receive either telmisartan or placebo. All patients also received medications for blood-pressure control at the investigators' discretion. At a mean follow-up of 2.5 years, there was no significant difference between the two study groups in the rates of recurrent stroke or major cardiovascular events.

ORIGINAL ARTICLE: Aspirin and Extended-Release Dipyridamole versus Clopidogrel for Recurrent Stroke
Mercredi 17 Septembre 2008 - 06:55 - 2 mois depuis - Presse spécialisée - New England Journal of Medicin
In this large clinical trial, aspirin plus extended-release dipyridamole was found to have an efficacy similar to that of clopidogrel in the prevention of recurrent stroke. However, aspirin plus extended-release dipyridamole resulted in more bleeding, including intracranial bleeding. The results will help guide therapy for secondary stroke prevention.

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