Document Detail

Source of the conjunctival bacterial flora at birth and implications for ophthalmia neonatorum prophylaxis.
MedLine Citation:
PMID:  3177565     Owner:  NLM     Status:  MEDLINE    
To understand better the source of conjunctival bacteria in neonates, we studied 106 infants immediately after birth before any eyedrops were applied. The 50 infants delivered by cesarean section had significantly fewer species (0.50 +/- 0.85 vs 1.84 +/- 1.33) and colony forming units (272 +/- 1,019 vs 1,790 +/- 3,779) cultured per subject than the 56 infants delivered vaginally. In infants delivered by cesarean section within three hours of membrane rupture, 24 of 30 (80%) of the conjunctival cultures were sterile, while the rest bore a few cutaneous bacteria (0.23 +/- 0.50 species and 2 +/- 9 colony forming units per subject). The conjunctivae of infants delivered vaginally bore significantly more bacteria characteristic of vaginal flora: microaerophilic as Lactobacillus or truly anaerobic as Bifidobacterium. Neonates delivered by cesarean section more than three hours after membrane rupture showed a bacteriologic flora mixture quantitatively and qualitatively midway between those two groups. Infants delivered by cesarean section within three hours of membrane rupture may not need prophylactic eyedrops because of the type and scarcity of conjunctival bacteria.
S J Isenberg; L Apt; R Yoshimori; J W McCarty; S R Alvarez
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  American journal of ophthalmology     Volume:  106     ISSN:  0002-9394     ISO Abbreviation:  Am. J. Ophthalmol.     Publication Date:  1988 Oct 
Date Detail:
Created Date:  1988-11-07     Completed Date:  1988-11-07     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0370500     Medline TA:  Am J Ophthalmol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  458-62     Citation Subset:  AIM; IM    
Jules Stein Eye Institute, Los Angeles, CA.
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MeSH Terms
Bacteria / isolation & purification*
Cesarean Section*
Conjunctiva / microbiology*
Delivery, Obstetric*
Extraembryonic Membranes / physiology
Infant, Newborn
Labor, Obstetric
Ophthalmia Neonatorum / prevention & control*
Time Factors
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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