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	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

In their article recently published in the ARCHIVES, Torn and colleagues¹ underscore the importance to establish an optimal therapeutic range for people taking warfarin. Warfarin, in fact, is associated with a high risk of bleeding when the international normalized ratio rises above the upper limits and with a lacking prophylactic effect when it falls under the lower limits of the therapeutic range. To encompass these problems, a strict control performed by experienced personnel in anticoagulant (AC) clinics and the use of computer-assisted dosage adjustment are recommended in the editorial by O’Donnel and Hirsh² in the same ARCHIVES issue.

Although we do not disagree with this position, we believe that the collective relevance of a service is based on much more than a mere technologic intervention. It is known that elderly people currently do not receive adequate AC prophylaxis, although they are at high risk of thromboembolic events.² . . . [Full Text of this Article]

AUTHOR INFORMATION
Giuseppe Bellelli, MD; Renzo Rozzini, MD; Marco Trabucchi, MD

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