CMV - pneumonia ( Cytomegalovirus (CMV) pneumonia ) : Cytomegalovirus (CMV) pneumonia is an infection of the lungs that can occur in people who have a suppressed immune system.
Causes
CMV pneumonia is caused by a member of a group of herpes-type viruses. Infection with CMV is very common. Most humans are exposed to CMV in their lifetime, but typically only individuals with weakened immune systems become ill from CMV infection
Serious CMV infections can occur in people with weakened immune systems from conditions such as:
• AIDS
• Bone marrow transplant
• Chemotherapy or other treatments that suppress the immune system
• Organ transplant
In people who have had organ and bone marrow transplants, the risk of infection is greatest 5 - 13 weeks after the transplant.
Symptoms
In otherwise healthy people, CMV usually produces no symptoms. or a temporary mononucleosis-type illness. Those with weakened immune system can develop serious symptoms, however. Symptoms may include:
• Cough
• Fatigue
• Fever
• General discomfort, uneasiness, or ill feeling (malaise)
• Loss of appetite
• Muscle aches or joint pains
• Shortness of breath
• Shortness of breath on exertion
• Sweating, excessive (night sweats)
Treatment
The objective of treatment is to stop the virus from copying in the body through the use of antiviral drugs. Some people with CMV pneumonia will need to get medication through a vein (intravenously). Some people might initially need oxygen therapy and breathing support with a ventilator to maintain oxygen until the infection is brought under control.