1972
DOI: 10.1056/nejm197205182862004
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Assessment of the Risk of the Respiratory-Distress Syndrome by a Rapid Test for Surfactant in Amniotic Fluid

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Cited by 332 publications
(95 citation statements)
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“…Many studies have established beyond doubt that secretion of fetal lung fluid containing surfactant contributes to amniotic fluid composition [3,5,10,11]. Several procedures have been proposed for its evaluation but two of them have been widely acclaimed, the L/S ratio [4,6,7], probably the best method for estimation of fetal pulmonary maturity, and a much simpler method proposed by CLEMENTS [2], known äs the "shake test" or "foam stabüity test".…”
Section: Introductionmentioning
confidence: 99%
“…Many studies have established beyond doubt that secretion of fetal lung fluid containing surfactant contributes to amniotic fluid composition [3,5,10,11]. Several procedures have been proposed for its evaluation but two of them have been widely acclaimed, the L/S ratio [4,6,7], probably the best method for estimation of fetal pulmonary maturity, and a much simpler method proposed by CLEMENTS [2], known äs the "shake test" or "foam stabüity test".…”
Section: Introductionmentioning
confidence: 99%
“…Neste sentido, a CCL teve 100% de acerto (nenhum caso com CCL igual ou superior a 50.000 teve SAR) e o TC teve 71,4% de acerto (2 casos com TC maduro tiveram SAR). Na literatura, o valor preditivo negativo da CCL varia de 97,7 8 a 100% 7,17,18 e o valor preditivo negativo do TC varia de 87,6 20 a 100% 4 .…”
Section: Características N %unclassified
“…O teste de Clements (TC), criado há mais de 30 anos e consagrado na obstetrícia brasileira, destaca-se pela sua simplicidade, baixo custo, boa sensibilidade e elevado valor preditivo negativo, assegurando que existe maturidade pulmonar fetal quando o resultado do teste for "maduro" 4 . Porém, sua especifi cidade e seu valor preditivo positivo são baixos: na maioria das vezes em que o TC indica imaturidade, na realidade existiria maturidade pulmonar fetal e o parto poderia ser efetivado sem risco de SAR 3 .…”
Section: Introductionunclassified
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“…Other phospholipids have also been detected by two-dimensional thin layer chromatography and the presence and relative concentration of phosphatidylglycerol (PG) and phosphatidylinositol (PI) have been reported to be indicators of fetal lung maturity [3,9]. Clinically used methods which measure only lecithin or the L/S ratio as well as unspecific tests such as the shake test [4] or the determination of the optical density at 650 nm [14] are not reliable in cases of contamination of the amniotic fluid by blood and meconium [2,5,10,11]. In these cases efforts were made to analyze phosphatidylglycerol (PG) by two-dimensional thin layer chromatography [15,16].…”
Section: Introductionmentioning
confidence: 99%