Also included in: pregnancy and obstetrics
Article Date: April 22, 2012 - 0: 00 PDT
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The need to swab the nose of pregnant women and newborns for the presence of MRSA (Staphylococcus aureus resistant to Methicillin) may be unfounded, according to a study by Vanderbilt now available online, published in may issue of Pediatrics.
The principal author of the study, Buddy Creech, MD, MPH, Professor of Pediatrics, said that it was often feared that mothers carrying with MRSA may risk of transmitting the infection to their infants, but Vanderbilt Pediatric Infectious Diseases researchers found that rarely sick babies of MRSA infections, despite often carry the germ.
"Describing the time and mode of transmission is important, because the most critical in this research is that babies are most commonly exposed to MRSA in early infancy, often with strains that are unlikely to cause disease," said Creech.
The study enrolled more than 500 pregnant women in Nashville and Memphis. Nasal, vaginal swabs were collected and tested for the presence of bacteria at regular intervals, including the time of delivery. Babies have been buffered right after birth and at the age of 2 and 4 months.
The results show little of vertical transmission of MRSA from the mother to the child, said Creech, but babies closely match carrier status of their mother by 2 months of age. This suggests a mother carrying bacteria s. aureus nose it will give to her baby and her baby will become colonized from close contact in six to eight weeks after birth, which is called horizontal transfer.
"Laboratories have found a large amount of MRSA.". "Even in our study we found 20% of pregnant women will have, and 20% of babies to eight weeks," said Creech. "But there is enormous anxiety about what it means and, for doctors, what are you doing?"
"We are not exaggerated transport when the incidence of the disease is low." Many babies are colonized. A lot. Twenty per cent at the age of 2 months is the highest that we have never seen, but in our study only two babies has the disease, said Creech.
Creech, said, at this time, the best action in the colonization of MRSA is detected in pregnant women can be anything.
The next stage of research is to determine if mother-child transmission of MRSA in childhood may provide benefits, such as greater protection against MRSA more serious disease later in life.
Article adapted by Medical News Today news release original. Click on "References" tab over the source.Visit our MRSA / drug section of resistance for the latest news on this subject. First author of the study is Natalia Jimenez-rigs, MQC, MSCI, student graduate of epidemiology of pediatric infectious diseases.
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