Cervical Gram Stain for Rapid Detection of Colonization With β‐Streptococcus
作者:
WILLIAM HOLLS,
JOHN THOMAS,
VIRGIL TROYER,
期刊:
Obstetrics & Gynecology
(OVID Available online 1987)
卷期:
Volume 69,
issue 3
页码: 354-357
ISSN:0029-7844
年代: 1987
出版商: OVID
数据来源: OVID
摘要:
The group B β-hemolytic streptococcus has been implicated in significant maternal and neonatal infections. The usual criteria for identifying the organism has been culture. A preliminary prospective study of the applicability of a simple, rapid, and readily available inexpensive screening tool, the Gram stain, was evaluated in 98 high-risk patients (premature rupture of the membranes and/or premature labor). In this selected population, cervical Gram stain was found to have a 98% negative predictive value for subsequent culture-proven group B β-hemolytic streptococcus colonization. The sensitivity, specificity, and positive predictive values were, respectively, 93, 69, and 33%. Gram stain may be an appropriate test to assist in evaluation of group B β-hemolytic streptococcus colonization in an at-risk population.
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