Idiopathic pneumonia syndrome
From Wikipedia, the free encyclopedia
Idiopathic pneumonia syndrome (IPS) is a set of pneumonia-like symptoms that occur with no sign of infection in the lung. Idiopathic pneumonia syndrome is a serious condition that occurs as a complication of a stem cell transplant.[1]
Risk factors
IPS is a complication of a stem cell transplant. The incubation period ranges between 4 and 106 days, but mostly is about 22 days from transplant.[2]
Additional risk factors for IPS include total body irradiation dose, age, graft vs host disease, and multi organ failure.[2][1]
While older reports suggest a rate of as high as 15% of stem cell transplants resulting in IPS, recent studies suggest this is lowering.[3]
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