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Topic: Blood transfusion

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  blood transfusion. The Columbia Encyclopedia, Sixth Edition. 2001-05
Blood substitutes, which are under development, are expected ultimately to ease the chronic short supply of blood and to alleviate certain storage and compatibility problems.
Blood is incompatible when certain factors in red blood cells and plasma differ in donor and recipient; when that occurs, agglutinins (i.e., antibodies) in the recipient’s blood will clump with the red blood cells of the donor’s blood.
The most frequent blood transfusion reactions are caused by substances of the ABO blood group system and the Rh factor system.
www.bartleby.com /65/bl/bloodtra.html   (433 words)

 Healthopedia.com - Blood Transfusion
Blood transfusion is a procedure in which the blood or blood components from one person, called a donor, is given to another, called a recipient.
The four blood types are known as A, B, AB, and O. Blood will also be referred to as Rh positive or Rh negative, depending upon whether the Rh antigen is present on the membrane of the red blood cells.
The blood is double checked by two healthcare workers to confirm that the blood about to be given is intended for the person about to receive it.
www.healthopedia.com /blood-transfusion   (542 words)

 BSE and Blood Transfusion
Transfusion is calculated to be a potential cause of a maximum of only 0.2% of clinical cases of Creutzfeldt-Jakob disease (CJD) in the UK population if the BSE epidemic were to spread to humans.
It is clear, however, that the risk from blood transfusion is between 2 and 3 orders of magnitude lower than that from food and hence may be exceedingly difficult to demonstrate by prospective epidemiological studies.
However, the peripheral transfusion of 300ml of whole blood from a patient suffering from CJD to a chimpanzee has not led to disease after 8 years (Gajdusek, 1990) but the 'species barrier' and the long incubation period that is expected may rule this out as a helpful indicator.
www.cyber-dyne.com /~tom/bloodtr.html   (6190 words)

 The National Blood Service - blood transfusion
Blood transfusions are given to replace blood lost in surgery, and after accidents.
Blood transfusions are used to treat anaemia (lack of red blood cells).
The risk of catching hepatitis from a blood transfusion is very low – about 1 in 900,000 for hepatitis B (in fact, you are more likely to be struck by lightning), and less than 1 in 30 million for hepatitis C. The chance of HIV infection is less than 1 in several million.
www.blood.co.uk /pages/e34patnt.html   (1073 words)

 Blood transfusion - Wikipedia, the free encyclopedia
Blood transfusions may also be used to treat a severe anaemia or thrombocytopenia caused by a blood disease.
The science of blood transfusion dates to the first decade of the 19th century, with the discovery of distinct blood types leading to the practice of mixing some blood from the donor and the receiver before the transfusion (an early form of cross-matching).
Blood is most commonly donated as whole blood by inserting a catheter into a vein and collecting it in a plastic bag (mixed with anticoagulant) via gravity.
en.wikipedia.org /wiki/Blood_transfusion   (3057 words)

 ICU-USA - Tour - Transfusion
Blood is given for several reasons, the most common being to add an oxygen carrying substance (hemoglobin).
Blood is red due to the presence of a type of hemoglobin called oxyhemoglobin.
Blood transfusions may cause immunosuppression (weakening of the immune system) and thus place a patient at increased risk for infections.
www.icu-usa.com /tour/procedures/transfusion.htm   (409 words)

 Welcome Sheet: Having a Blood Transfusion
Blood transfusions increase the amount of blood components in your bloodstream.
Blood transfusions replace blood that is lost or depleted due to injury, surgery, sickle cell disease, or cancer.
A transfusion of blood components may be given to enhance your recovery or healing process.
www.cpmc.org /learning/documents/bloodtrans-ws.html   (1207 words)

 Transfusion Alert: Use of Autologous Blood
Blood salvaged and reinfused after orthopedic surgery (e.g., hip arthroplasty and spinal fusion with instrumentation) may be safe and reduce the amount of allogeneic blood given.
For example, the transfusion of autologous RBCs to the slightly or non-anemic patient or the use of autologous fresh frozen plasma in the absence of coagulopathy is inappropriate.
Autologous blood transfusion techniques should be used for eligible patients likely to require transfusion but should not be started for procedures in which transfusion is unlikely.
www.nhlbi.nih.gov /health/prof/blood/transfusion/logo.htm   (5582 words)

 Bloodindex - Blood Transfusion Adverse Effects
Cause: The majority of haemolytic reactions are caused by transfusion of ABO incompatible blood, eg group A, B or AB red cells to a group O patient.
Transfusion Related acute Lung Injury (TRALI) is a clinical diagnosis of exclusion characterised by acute respiratory distress and bilaterally symmetrical pulmonary oedema with hypoxaemia developing within 2 to 8 hours after a transfusion.
Definitive evidence of transmission by transfusion requires demonstration of seroconversion or new infection in the recipient and isolation of an agent with genomic identity from both the recipient and the implicated donor.
www.bloodindex.org /blood_transfusion_effects.php   (1787 words)

 The Truth About Transfusions
Blood transfusions are possible because volunteers donate their blood.
Transfusions are often needed to save the lives of kids and adults who have life-threatening medical problems.
Red blood cells, plasma, and platelets are commonly used in transfusions.
kidshealth.org /kid/health_problems/blood/transfusions.html   (972 words)

 Blood Transfusion Questions & Answers
Such an investigation is now being conducted by CDC to determine whether blood transfusion or donor organs may have been a source for the possible West Nile virus cases in the current transplant recipients.
In this case, even though a blood source is unproven at this time, as a precaution, to protect others, blood banks are recalling any remaining units of blood products from all donors whose blood was administered to the transplant donor.
Blood banks need to be vigilant to defer all of those who may have minor illnesses especially in areas where West Nile virus is most active.
www.health.ri.gov /disease/communicable/wnv/transfusions.php   (568 words)

 Blood Transfusions--How Safe? - Jehovah's Witnesses Official Web Site
The mortality from blood transfusion equals that from ether anesthesia or appendectomy.
A second reason for concern is that blood collected in one land where a certain disease abounds may be used far away, where neither the public nor the physicians are alert to the danger.
Testing of donor blood finally began in 1985,* but even then it was not applied to blood products that were already on the shelf.
www.watchtower.org /library/hb/article_02.htm   (2535 words)

However, doctors and their patients who need blood transfusions or organ transplants should be aware of the risk for West Nile virus infection.
If a patient who recently received a blood transfusion or organ transplantation develops a West Nile virus infection, that does not necessarily mean that the transfusion/transplantation was the source of infection.
When a unit of blood is identified as possibly infected with WNV by initial screening, it is removed from the blood supply.
www.cdc.gov /ncidod/dvbid/westnile/qa/transfusion.htm   (2385 words)

 Blood Components of Blood Transfusion Therapy, Mayo Clinic in Rochester, Minn.   (Site not responding. Last check: 2007-10-13)
Blood Components of Blood Transfusion Therapy, Mayo Clinic in Rochester, Minn.
Red blood cells carry oxygen from your lungs to all parts of your body and return carbon dioxide from your body to your lungs.
A plasma transfusion increases the amount of plasma in your body and prevents blood loss by increasing the amount of blood-clotting factors.
www.mayoclinic.org /bloodtransfusion-rst/components.html   (458 words)

 Blood transfusion and CJD   (Site not responding. Last check: 2007-10-13)
Meantime it was clear that infectivity was present in the blood of scrapie cases in various species (mice, hamsters etc) and in 2003 it was shown that if sheep were bled, before they were symptomatic with scrapie, then their blood would transfer the disease to other sheep by transfusion.
As such it would be expected that 300ml of the blood of a person incubating CJD would be able to transfer the disease by blood transfusion and because of this CJD patients, relatives and persons having received human growth hormone are banned in the UK from donating blood.
An attempt was made to compare the proportion of people with CJD that have received a blood transfusion with the proportion of controls and no statistical difference was found (n = 200) (235), however the difference by calculation was expected to be 2 and this could not be shown unless the survey was greater.
www.priondata.org /data/A_blood.html   (4861 words)

Blood transfusion can be lifesaving therapy for patients with a variety of medical and surgical conditions.
In deciding whether to transfuse a specific patient the physician should consider the person's age, etiology and degree of anemia, hemodynamic stability, and presence of coexisting cardiac, pulmonary or vascular conditions.
Platelet transfusions at higher platelet counts may be required for patients with systemic bleeding and for patients at higher risk of bleeding because of additional coagulation defects, sepsis, or platelet dysfunction related to medication or disease.
www.nhlbi.nih.gov /health/prof/blood/transfusion/transfin.htm   (834 words)

 Blood transfusion definition - Medical Dictionary definitions of popular medical terms
Blood transfusion: The transfer of blood or blood components from one person (the donor) into the bloodstream of another person (the recipient).
Transfusion of your own blood (autologous) is the safest method but requires advance planning and not all patients are eligible.
Strategies to avoid blood transfusion will no longer be driven by the known risks, since they are now so low that no alternative is currently as safe as a blood transfusion.
www.medterms.com /script/main/art.asp?articlekey=2491   (495 words)

 Armchair World: Blood transfusion guidelines for international travelers
Blood transfusion is not free of risk, even in the best of conditions.
The international shipment of blood for transfusion is practical only when handled by agreement between two responsible organizations, such as national blood transfusion services.
When blood transfusion cannot be avoided, the attending physician should make every effort to ensure that the blood has been screened for transmissible diseases, including HIV.
www.armchair.com /info/bloodtrf.html   (521 words)

 Blood Transfusion - Digestion and digestive-related information on MedicineNet.com
A blood transfusion is the transfer of blood or blood products from one person (donor) into another person's bloodstream (recipient).
Although in most situations the likelihood of a blood transfusion associated with surgery is uncommon, at times patients may require blood products.
For example, if friends or family members are donating blood for a patient (directed donors), their blood should be drawn at least two working days prior to the anticipated need to allow adequate time for testing and labeling.
www.medicinenet.com /blood_transfusion/article.htm   (470 words)

 Transfusion definition - Cancer information on MedicineNet.com
Transfusion of your own blood (autologous) is the safest method but requires planning ahead and not all patients are eligible.
Blood transfusion and blood conservation are complementary activities that constitute the clinical arena of transfusion medicine.
The use of blood transfusion has declined, largely because of concern about the safety of the blood supply.
www.medterms.com /script/main/art.asp?articlekey=5836   (359 words)

 Amazon.com: Transfusion: Music: Cold Blood   (Site not responding. Last check: 2007-10-13)
Cold Blood was originally signed in 1969 by Bill Graham to his own label and went on to record six albums before disbanding in the late 1970s.
At the same time, former Cold Blood member Skip Mesquite, who had a number of songs he’d written and thought would be well- suited for Lydia, came in contact with DIG Music.
"Transfusion" is Cold Blood’s first studio album on DIG Music, showcasing more of the band’s horn-driven rock and soul- drenched sound, and demonstrating that Lydia Pense’s vocal chops have lost none of their power or feeling.
www.amazon.com /Transfusion-Cold-Blood/dp/B000AA4KB0   (1320 words)

 Blood Transfusion Therapy, Mayo Clinic in Rochester, Minn.   (Site not responding. Last check: 2007-10-13)
During a blood transfusion, a blood component (a part of whole blood) is put into your bloodstream.
The blood used in a transfusion is compatible with your blood type and moves into your body through an intravenous (IV) line, usually inserted in your arm.
You are not necessarily confined to a bed or chair during a transfusion.
www.mayoclinic.org /bloodtransfusion-rst   (269 words)

 ScotBlood - The Scottish National Blood Transfusion Service (via CobWeb/3.1 planetlab2.tamu.edu)   (Site not responding. Last check: 2007-10-13)
If you can give blood at the Edinburgh or Glasgow Donor Centre, you are uniquely placed to answer our call if we are faced with a sudden urgent demand for your blood group.
We rely on volunteer blood donors to provide safe blood and tissue products and with NHSScotland partners and patients, ensure that these products are prescribed and used safely and effectively.
There are a number of questions you need to answer when you come to give blood, to ensure both your safety and that of patients.
www.scotblood.co.uk.cob-web.org:8888   (530 words)

 Transfusion > Home
Transfusion plunges you into a world originally created in 1997 by Monolith Productions.
Created with the BUILD game engine (Duke Nukem, Shadow Warrior), Blood was a tour de force of horror that has yet to be matched, in which you battled minions of evil in a lightning-paced, blood splattered quest for glory.
Thrill to new, enhanced special effects not seen in the original as you guide Caleb along his gory quest through a 3-dimensional world of horror.
www.transfusion-game.com   (279 words)

 Blood Transfusion: Knowing Your Options
Blood transfusions are a critical part of everyday medical procedures and save millions of lives each year.
This site has been developed to help explain options that are available when you or a loved one requires a blood transfusion.
By knowing your options and by asking the right questions, you will better understand the risks and benefits of blood transfusions and be able to make an informed decision about treatment alternatives.
www.bloodtransfusion.com   (134 words)

 Professional guidelines for transfusion and for the collection , testing , processing of blood and tissues.   (Site not responding. Last check: 2007-10-13)
Professional guidelines for transfusion and for the collection, testing, processing of blood and tissues.
Bleeding and transfusion: clinical and laboratory evidence of coagulopathy
Transfusion support in stem cell transplant patients where there is donor/recipient ABO incompatibility
www.transfusionguidelines.org.uk   (431 words)

 blood transfusion
This is when blood, or parts of the blood, are injected into a person's blood vessel.
It may be done after you lose a lot of blood.
It may also be done when you don't have enough of a certain part of the blood, like platelets or red blood cells.
www.breastcancer.org /dictionary/bloodtransfusion_t.html   (136 words)

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