Why diabetics cannot donate blood?
The diabetic who cannot donate blood is that which we call insulin-dependent; ie, one who needs insulin to keep your metabolism sugar close to normal. These patients have significant changes in the cardiovascular system and, accordingly, during or after donating blood, they may have some reaction to the worsening state of their health.
Why people weighing less than 50 kg cannot donate blood?
The total volume of blood to be collected is directly related to the donor's weight. For men not exceed 9 ml per kilo and for women, 8 ml per kilo. This anticoagulant in the collection bag binds to blood prevents the blood from clotting. The volume of anticoagulant bag is standardized to a minimum of 400 ml of blood. So, a person weighing less than 50 kg could not donate the minimum volume.
Children under 18 years can donate?
According to Brazilian legislation that regulates the technical standards to be applied in all blood banks in the country, the minor can donate blood from 16 years, always with prior permission from parents or guardians, with the completed form "authorization for blood donation by a minor".
Blood donation is allowed while breastfeeding?
No. A woman who is breastfeeding cannot donate blood unless childbirth occurred more than a year.
How long the body replenishes the donated blood?
The replacement of the withdrawn plasma volume is between 48 to 72 hours, and the replacement of red blood cells is slower - about 4 weeks. The plasma volume replacement occurs within 24 hours, and the plasma volume replacement of red blood cells occurs within 4 weeks. However, for the body to achieve the same level of iron stores as before donation, eight weeks are required for men and 12 weeks for women. These are the minimum interval between two blood donations.
What is the recommended interval to donate platelets?
The minimum interval between blood donation and donation of platelets is 56 days; between platelets and blood donations is 72 hours. The maximum number of platelet donations per month is 4 donations; per year, 24 single donations or 12 donations of double bags (for those who have adequate platelet count for this type of donation).
Which vaccines that prevent donation? How long after taking the vaccine the person can donate blood?
Vaccines composed by live and reduced viruses or bacteria (Examples: Measles, oral polio, yellow fever) require 3 to 4 week interval for the donation. Vaccines that are composed of dead viruses or bacteria, toxoids, or recombinant (Examples: tetanus, polio salk, etc.) require a minimum of 48 hours for blood donation if the candidate does not show any reaction due to vaccination. Animal rabies vaccination after exposure requires a minimum of 01 years to donate blood.
What is the current concept of "risk group"?
In fact, the more correct term would be "risky behavior"; ie, the behavior of individual leaves him more exposed to the risk of acquiring a disease or infection.
Why is given only a day's allowance for blood donation?
It is what the CLT and the CLF establish.
Serological tests are performed individually?
Yes, serological tests are conducted individually; ie each sample separately.
The material used in blood collection is even safe?
Yes, all the material used for blood collection is individual, disposable, sterile and pyrogen-free (does not cause fever). There is no risk to the donor acquire an infectious disease by donating blood.
How do I get hepatitis? What are the main symptoms?
There are three main types of viral hepatitis: Type A, Type B and Type C.
Hepatitis A is the type of contamination through contaminated food and water and by oral or fecal contact.
The type B is sexual or parenteral contamination; ie, needles and contaminated equipment or blood transfusion.
The type C is predominantly parenteral contamination; however, there are other forms poorly defined.
The most common signs of hepatitis are jaundice (yellowing of the eyes), dark urine and pale stools. These signals are most common in hepatitis type A. In hepatitis type B occur in 10 to 25% of cases and hepatitis type C in only about 5% of cases. Other symptoms of hepatitis are few specific and resemble a cadre of flu.
What is the most common type of hepatitis?
The hepatitis type A. In about 85% of the Brazilian population we can find antibodies against the hepatitis type A, which are indicators of prior contact with that agent.
Why an individual can only donate blood when he had hepatitis before 10 years of age?
Before 10 years of age, the probability that the candidate who had hepatitis type A is nearly 100%. This fact has been confirmed in several epidemiological studies. Because hepatitis A do not leave sequelae or remaining viral particles after curing, there is no contraindication to donate blood after this type of hepatitis.
After the donation, how long it takes for blood to be processed?
At Pró-Sangue Foundation, donated blood is processed in a maximum of six hours after donation.
What is the procedure to perform a self-giving blood?
First, there should be a request of the physician attending the patient, authorizing and requesting the autologous transfusion. Then the patient must be subjected to the same procedures as in the regular grant. The doctor of Pró-Sangue Foundation will evaluate the patient's clinical condition, the real need of autotransfusion and frequency of donations.
Why can't we accept donors from endemic area for malaria?
There is no a sensitive test for the detection of malaria to be applied routinely in blood banks. For this reason, we temporarily exclude individuals who were in the malaria zone to decrease the risk of transfusion malaria.
How long is the impediment for donation to individuals who resided or visited an endemic area for malaria?
If you lived in an area endemic for malaria or was a short time, wait 12 months.
Is there a vaccine for malaria?
No. There is no vaccine for malaria.
Can you have sex after donating blood?
There is no contraindication to performing sexual activity after donating blood or platelets.
How is blood stored? In the fridge? At what temperature?
Red blood cells are stored in a refrigerator at a temperature between 2 and 6ºC. The platelets are stored at room temperature between 20 and 24ºC. The plasma is stored frozen at a temperature of -18ºC.
After how long time can a person that made piercing, tattoo or permanent makeup donate?
Tattoo and permanent makeup: 1 year after the procedure. Piercing: If the procedure was done without antisepsis: wait 12 months after completion; If the procedure was done with disposable material and done in an appropriate place: wait 6 months after completion; if the piercing was placed in the oral mucosa or genital mucosa: you're unfit while with piercing and you will be ready after 12 months of withdrawal.
As a child I was fainting, but I'm cured. Why I cannot donate blood?
Applicants with a history of seizures can donate blood 03 years after cessation of treatment and no history of crisis in this period.
Does Hypo or Hyperthyroidism prevent the donation?
No, if they are controlled with medication.
Does Hypoglycemia prevent the donation?
No, if the applicant is asymptomatic on the day of donation.
Why is 450ml the limit of blood per bag?
Because of the volume of anticoagulant present in the bag, which is standardized for this volume of blood anticoagulation.
How long after surgery (small, medium and large) can a person donate blood?
Candidates undergoing major surgery should be refused for 6 months to 1 year. For small and medium surgery, the refusal is for 3 months. For laser surgery, wait for 1 week after the procedure, if the location is not inflamed. For dental extraction or dental surgery manipulation, the deadline is seven days after the procedure; with general anesthesia 1 month after completion of treatment.
After how long may a person had rubella return to donate?
The person will be able 2 weeks after cure.
Is the blood donor entitled to absent from work?
Yes, the donor is entitled to one day off work every 12 months worked, since the donation is duly proved in accordance with the terms set out in Decree-Law No. 5,452, of May 1, 1943 (Laws Consolidation Labour). This right also extends to civil or military official authority, as advocated in the Federal Law No. 1,075, of March 27, 1950, as well as the State Law No. 3,365, of June 6, 1956. However, despite the current legislation, blood donation is a voluntary, altruistic gesture and therefore it should not be seen as a benefit to yourself.
Por que não se pode consumir alimentos gordurosos nas quatro horas que antecedem à doação?
Segundo recomendações da Organização Mundial de Saúde (OMS), o sangue recebido de uma doação deve ter no mínimo 10% de gordura. Quando esse limite é ultrapassado, torna-se mais difícil identificar doenças transmissíveis, como hepatites B e C, aids, sífilis e Chagas.
A Pró-Sangue realiza cadastro para doação de medula óssea?
Não. A Pró-Sangue efetua a coleta de sangue total, plaquetas e hemácias duplas. Na cidade de São Paulo, o Hemocentro de Santa Casa de
Misericórdia de São Paulo realiza o cadastro. Para mais informações, ligue para a AMEO - Associação de Medula Óssea, que sincroniza todo
o cadastramento dos doadores no município. O telefone da AMEO é: 11 2176-7249. Para demais localidades, acesse
A febre amarela é impedimento à doação?
Quem tomou a vacina contra a febre amarela deve aguardar 04 semanas para doar.
Já aqueles que contraíram a doença devem aguardar 6 meses após recuperação completa (clínica e laboratorial).
Já quem esteve em região onde há surto da doença deve aguardar 30 dias após o retorno.
Clique aqui para ter acesso a outras curiosidades sobre o sangue e a transfusão de sangue.