Excluded from blood donation

Excluded from blood donation
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Age, weight: some restrictions on blood donation may surprise. Decryption with Dr. Dominique Legrand of the French Blood Establishment.

While being healthy appears to be a reasonable prerequisite for giving blood, other restrictive criteria set by the January 2009 decree are less obvious. Explanations with Dr. Dominique Legrand, Director of the French Blood Establishment in Rhône-Alpes.

• The rules that aim to preserve the health of the donor:

The donor must not have anemia , type 1 diabetes or cancer . The pregnant women are excluded up to 6 months after childbirth, as well as the minor (more susceptible to ailments) or people over 70 years who are at increased risk of chronic diseases, including cardiovascular.

More surprisingly, a minimum body weight of 50 kg is required for the donor. "The law prohibits taking more than 13% of a person's total blood volume. However, in people of small weight and small size, this volume is relatively low. It does not achieve the 450 ml needed to produce a quality blood product to provide a therapeutic dose to the patient, "says Dr. Legrand.

• Rules to reduce the risk of transmitting an infection:

People who have had a viral illness like influenza or gastroenteritis must reach two weeks after the end of symptoms to give their blood. In case of treatment (antibiotics, steroids ...), the same delay is imposed after the last dose.

People who know they are infected with a blood-borne disease (syphilis, viral hepatitis B and C, HIV) are naturally excluded.

Other precautionary delays can be explained by the time that a virus can put before being detectable in the blood - this is called the " serological window ". This is why it is necessary to wait 4 months after getting a tattoo or piercing, or after having unprotected sex with a casual partner.

The men who have sex with men in their lives no longer have the right to donate blood since the publication of a circular in 1983, at a time when there was no testing of the HIV. Today, this ban is based on a higher risk of contamination in the male homosexual population than in the heterosexual or lesbian population, according to statistics provided by the National Institute for Public Health Surveillance.

The ban on donating blood is also strict for people who have been transfused . "Here, we anticipate the possibility that the donor was contaminated, during his transfusion, by an emerging disease that we do not yet know how to detect. The idea being to stop the chain of transmission between transfused, "says Dr. Legrand.

Finally, people who stayed in the United Kingdom between 1980 and 1986 are also excluded to avoid the risk of infection with mad cow disease.

YOUR OPINION - A report submitted to Marisol Touraine advocates the opening of blood donation to homosexuals. Do you understand this recommendation and why? Tell us your opinion in the comments below or by writing to temoin@lefigaro.fr .


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