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Heart Transplant Patients may Be Helped by New Blood Tests
The test measures the energy level of immune-system cells called lymphocytes.
The team found that patients with high-energy lymphocytes did not develop infections.
However, those with low-energy lymphocytes were vulnerable to infections such as pneumonia, urinary tract infections, herpes and skin infections.
Doctors traditionally have monitored the immune system by counting the number of immune cells in a given sample. The new test monitors just how active those cells are by measuring an energy-carrying molecule called adenosine triphosphate, or ATP, that's released from the cells. The higher the ATP level, the more active the cells.
The researchers looked at 37 samples from 26 heart transplant patients. Out of which fifteen patients with infections had lower ATP levels than eleven patients who did not have infections.
Patients with infections also had low immune cell counts.
"Infection is associated with a low level of immune cell function in this small study," said Dr. Biljana Pavlovic-Surjancev, Loyola cardiologist.
"It will take additional studies to find out if this test can help us see the risk of infection before infection occurs," Pavlovic-Surjancev added.
The findings were presented at the American Transplant Congress in Toronto on May 31, 2008.
Source-ANI
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