I read that once you do not culture it at least 3 x in a row it is gone and if you do culture it down the road it is a different strain.
Not sure why they are not treating your baby for it!!!
GL, here is what I read!
What are the clinical implications of MRSA?
Many CF patients are labelled as colonised with MRSA (that is to say there are no signs of infection associated with its isolation) rather than infected. Although a number of body sites can harbour MRSA, most MRSA-positive CF patients are found to carry the organism in their nose, throats and sputum, rather than on the skin. Colonisation status may also vary over time without any specific therapeutic interventions. About half of positive patients will eventually lose their MRSA for good, a quarter will be colonised continuously, and another quarter will be colonised intermittently. The duration of colonisation may also be brief. About 35% of CF patients in one study became MRSA-negative again within one month. The clinical relevance of MRSA in the sputum of CF patients remains unclear. On the whole, colonisation has not been linked with deterioration in lung function. However, as many MRSA-positive CF patients are also infected with other pathogens, such as Pseudomonas aeruginosa or Burkholderia cepacia, it can be very difficult to distinguish the clinical significance of MRSA in comparison to these other organisms. There is some evidence that being MRSA-positive may have a negative impact on growth in CF children. The reasons for this are unknown. The same study also found that these MRSA-positive patients required more courses of intravenous antibiotics and had worse chest x-ray scores than controls. However, the authors did not retrospectively examine differences in clinical condition and antibiotic use prior to MRSA acquisition. In one study of outcomes of MRSA colonisation in CF, only three patients were MRSA-positive at the time of death, and in only one of these was MRSA considered a possible contributing factor. Many CF patients now have permanent intravenous access devices such as Portocaths or PAS ports for the infusion of antibiotics. In some patients these intravenous lines have become infected and, in many instances, it has resulted in their removal. Many different organisms can be responsible for these infections, including MRSA. Intravenous access devices are now the commonest source of nosocomial MRSA bacteraemia in all patient groups.
