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The short answer is that nobody knows.
There have been no gold standard human trials done to my knowledge. Very little peer reviewed research exists, most of the evidence is anecdotal.
If the blood is being transfused in a hospital it is usually done over 2 hours. If the blood is not completely transfused 4 hours after coming out of the lab fridge then it is discarded. This is done under the most careful medical supervision.
If blood is taken for Autohemotherapy, I would IMAGINE that it would be used immediately. Left sitting the blood could become contaminated and poses a huge infection risk for anyone else who comes in contact with it.
Be VERY careful if considering this treatment. It is illegal in some countries such as Brazil and doctors can be struck off there for even suggesting it to patients.
Source: Final year Student Nurse.
What else can I help you with?
For how long does the blood stream continue to feed hair follicles?
Blood vessels in the scalp provide nutrients and oxygen to hair follicles, enabling them to grow. As long as the blood vessels are healthy and continue to supply the required nutrients, the blood stream will feed the hair follicles, supporting their growth. If there are any issues with blood flow or nutrient supply, it can affect the health and growth of the hair follicles.
How long you will lose consciousness if the supply of blood to your brain is interrupted for only?
you will die
Why do joint injuries take a long time to heal?
Its due to poor perfusion (blood supply)
What primary blood supply to the diaphysis of a long bone is through the?
The primary blood supply to the diaphysis of a long bone is through the nutrient artery, which enters the bone through the nutrient foramen. This artery provides blood to the medullary cavity and inner portions of the bone.
What happens if there is an insufficient supply of blood to the brain?
Insufficient blood supply to the brain can lead to symptoms like dizziness, confusion, fainting, and in severe cases, stroke. Without an adequate supply of oxygen and nutrients from blood, brain cells can begin to die, leading to long-term damage if not addressed promptly. It's essential to seek medical attention if you suspect a lack of blood flow to the brain.
What has nerve supply but no blood supply?
Cornea.Has no blood supply as it gets oxygen directly from air.It has to remain transparent for us to see.Thats why it has no blood vessels.Innervated with sensory nerve fibres via the Ophthalmic division of the Trigeminal Nerve by way of 70--80 long ciliary nerves and short ciliary nerves.Try touching your cornea to know how sensitive it is .
How long it takes Embolism trough the heart?
an embolus is a part of a clot which when disintegrates and joins the blood stream, blocks the blood supply and can cause death.its a very serious condition.
How long does it take for a person to become unconscious after loss of blood supply to the brain?
There isn't a set length of time for this.
How long do hospitals keep blood sample for?
depends on what is to be tested again and the method of preservation employed
Why do bones need a blood supply?
Cells need energy to sat alive and they get it from glucose and oxygen.blood collects glucose from your digested food and collects oxygen from your lungs.blood delivers oxygen and glucose to every cell.
Why is an adults intestines surrounded by a very rich blood supply?
Not sure myself... however i have a little knowledge about this as i have done it in my science lesson. The adult intestine is approximately 7.5 metres long and surrounded by a very rich blood supply. This is so the large food particles can be cut down and passed through to the blood so the body can absorb it.
Why do siks were turbans and have long hair?
Sikhs keep there hair long because they said one day they are going to have a battle with the Muslims and if they kill the Muslims then they are going to wash there hair with the blood of a Muslim that's why they keep there hair long!!!
