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Antibiotic Linked To Newborns' Intestinal Disorder

Date:
October 2, 2001
Source:
Indiana University
Summary:
An Indiana University School of Medicine study has confirmed a linkage between erythromycin, one of the most commonly prescribed antibiotics, and the subsequent development of pyloric stenosis, a condition that affects one in 500 newborns. The study appears in the current issue of the Journal of Pediatrics.

An Indiana University School of Medicine study has confirmed a linkage between erythromycin, one of the most commonly prescribed antibiotics, and the subsequent development of pyloric stenosis, a condition that affects one in 500 newborns. The study appears in the current issue of the Journal of Pediatrics.

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Pyloric stenosis, which usually occurs in the first or second month of life, is a blockage of the outlet of the stomach that causes projectile vomiting, leading to weight loss and dehydration. It is the most common indication for abdominal surgery in infancy.

"The link between erythromycin and pyloric stenosis is an important finding which will make a difference to the health of babies," said the study's principal investigator, Barbara E. Mahon, M.D., M.P.H., a clinical assistant professor of pediatrics at the IU School of Medicine.

Using clinical data extracted from the Regenstrief Medical Record System -- a comprehensive electronic medical records system that gathers and stores data including diagnoses, radiology and operative reports, pharmacy records, and physician observations -- the researchers studied 14, 876 babies born between June 1993 and December 1999. They found that if given erthromycin during the first two weeks of life, babies were 10.5 times more likely to develop pyloric stenosis than babies who were not given the antibiotic.

"This large scale study could only have been undertaken with the vast amount of data available in the Regenstrief system," said Dr. Mahon. Co-authors of the study are Marc Rosenman, M.D. a health services research fellow at the Regenstrief Institute for Healthcare ,and Martin Kleiman, M.D., Ryan White Professor of Pediatrics at the IU School of Medicine.

The newborns were given erthromycin by mouth in a 10-to-14 day course, usually because of maternal chlamydia at the time of delivery. Erythromycin has had a long history as a useful, safe, and generally well-tolerated drug, the researchers reported. However, as a result of their study they say that the antibiotic should be used only with prudence in the first two weeks of life.

The IU School of Medicine study also showed that babies who received an erythromycin eye ointment, a common treatment for conjunctivitis, did not have a higher risk of pyloric stenosis.


Story Source:

The above story is based on materials provided by Indiana University. Note: Materials may be edited for content and length.


Cite This Page:

Indiana University. "Antibiotic Linked To Newborns' Intestinal Disorder." ScienceDaily. ScienceDaily, 2 October 2001. <www.sciencedaily.com/releases/2001/10/011002065223.htm>.
Indiana University. (2001, October 2). Antibiotic Linked To Newborns' Intestinal Disorder. ScienceDaily. Retrieved January 31, 2015 from www.sciencedaily.com/releases/2001/10/011002065223.htm
Indiana University. "Antibiotic Linked To Newborns' Intestinal Disorder." ScienceDaily. www.sciencedaily.com/releases/2001/10/011002065223.htm (accessed January 31, 2015).

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