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Re: Preterm PROM caseFrom: Braun, R. Daniel (rbraun@iupui.edu)Thu Jul 20 15:19:31 2000
Also PG test positivity does not mean No IVH(IntraVentricular Hemorrhage) and No NEC(Necrotizing EnteroColitis). Dan R. Daniel Braun, MD FACOG Clinical Professor Department of Obstetrics and Gynecology Indiana U. School of Medicine Indianapolis, IN 46202 OBGYN.net International Representative for United States Certified AllExperts Expert Check out my bio/ratings page! http://www.allexperts.com/displayExpert.asp?Expert=1236 -----Original Message----- From: DoctorJoe@aol.com [mailto:DoctorJoe@aol.com] Sent: Thursday, July 20, 2000 7:31 AM To: Multiple recipients of list OB-GYN-L Subject: Re: Preterm PROM case In a message dated 7/19/00 7:23:19 PM, obgynmd@hotpop.com writes: << "Since amniotic fluid obtained from the vagina may be contaminated by substances present there, the PG test theoretically is the only fetal maturity test available that is totally unaffected by contamination". It might only be theoretically. >> Try this one: UI - 88279587 TI - Production of a phosphatidylglycerol-like substance by genital flora bacteria. SO - Am J Obstet Gynecol 1988 Jul;159(1):199-202 TA - Am J Obstet Gynecol VI - 159 IP - 1 PG - 199-202 DP - 1988 AU - Pastorek JG 2d AU - Letellier RL AU - Gebbia K AD - Department of Obstetrics and Gynecology, Louisiana State University Medical Center, New Orleans 70112-2822. AB - Bacteria contaminating amniotic fluid have anecdotally been shown to produce a phosphatidylglycerol-like substance, thus giving false positive tests for phosphatidylglycerol in vaginal pool fluid from patients with premature rupture of the membranes. Isolates of Escherichia coli, Proteus mirabilis, Acinetobacter calcoaceticus, Klebsiella pneumoniae, Staphylococcus aureus, coagulase-negative Staphylococcus, Streptococcus faecalis, and Streptococcus agalactiae (group B streptococcus) were grown in broth and analyzed for the presence of phosphatidylglycerol-like material by one-dimensional thin-layer chromatography and also by a polyclonal, immunologic slide agglutination test (Amniostat-FLM). All species demonstrated a positive test result for phosphatidylglycerol by either thin-layer chromatography, slide agglutination, or both. The material migrated separately from cardiolipin and phosphatidylethanolamine as determined by chromatography, but identically with the phosphatidylglycerol control. Gram-negative species were more strongly positive than gram-positive organisms. Colony counts on the order of 10(8) colony-forming units per milliliter were necessary to give positive test results for phosphatidylglycerol. The possible clinical implications of these findings are discussed. IS - 0002-9378 MJ - Bacteria [metabolism] MJ - Phosphatidylglycerols [biosynthesis] MJ - Vagina [microbiology] MN - Acinetobacter [metabolism] MN - Chromatography, Thin Layer MN - Escherichia coli [metabolism] MN - Proteus mirabilis [metabolism] MN - Staphylococcus [metabolism] MN - Streptococcus [metabolism] RN - 0 (Phosphatidylglycerols) MT - Female; Human LA - English PT - JOURNAL ARTICLE EM - 198810 Joe P.
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