Pre term premature rupture of membranes: Detection of infection

Roussis, Periclis; Rosemond, Richard L.; Glass, Cheryl A.; Boehm, Frank H.

doi:10.1016/0002-9378(91)90479-b

Cited by 30 publications

(10 citation statements)

References 11 publications

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“…Early diagnosis of chorioamnionitis would be of benefit to minimize maternal and fetal complications. Invasive and noninvasive tests (amniocentesis, nonstress test, biophysical profile) have been studied as possible early indicators of chorioamnionitis [2][3][4]. Noninvasive tests are of limited clinical usefulness due to a low positive predictive value, a low sensitivity, or a high false-negative rate.…”

Section: Introductionmentioning

confidence: 99%

Chorioamnionitis does not affect fetal urine production in patients with premature rupture of membranes

Nguyen

Meyer

Gauthier

et al. 1997

J. Matern. Fetal Med.

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The objective of this study was to evaluate fetal urine production rate in patients with premature rapture of membranes in the presence or absence of chorioamnionitis and to determine its clinical usefulness. Fetal urine production was evaluated in 30 women between 24 and 39 weeks' gestational age with ruptured membranes. Fetal bladder measurements were determined every 3–5 min for 30–90 min. Chorioamnionitis was defined by both clinical criteria and histological examination of the placenta. The last determination of fetal urine production rate prior to delivery was compared in patients with and witout histologic and/or clinical chorioamnionitis. Fetal urine production rate was corrected for gestational age using birth weight prior to analysis. A total of 96 assessments of fetal urine production were performed (range 1–16 per patient). Twelve subjects (40%) had no evidence of chorioamnionitis (group 1), 10 (33%) had histologic chorioamnionitis alone (group 2), and eight (27%) had both clinical and histologic chorioamnionitis (group 3). The mean (±SD) urine production rates in these groups were 9.43 ± 3.15 ml/kg/hr, 10.65 ± 3.43 ml/kg/hr, and 9.97 ± 2.81 ml/kg/hr, respectively. The difference in fetal urine production rate between the three groups was not statistically significant. A power analysis revealed that individual group sizes were adequate to document a 50% increase in fetal urine production rate with a type II error of < 10%. There were no documented cases of fetal infection based on neonatal cultures. The presence of histologic or clinical chorioamnionitis does not significantly affect fetal urine production in patients with premature rupture of membranes. The prospective assessment of fetal urine production rate does not appear to be clinically useful as an early indicator of chorioamnionitis. J. Matern.‐Fetal Med. 6:96–98, 1997. © 1997 Wiley‐Liss, Inc.

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Section: Introductionmentioning

confidence: 99%

Chorioamnionitis does not affect fetal urine production in patients with premature rupture of membranes

Nguyen

Meyer

Gauthier

et al. 1997

J. Matern. Fetal Med.

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“…Postulam, portanto, que uma possível explicação para este fato é que a interleucina-1 produzida pelo feto, em resposta à agressão bacteriana, pode produzir alterações nas atividades corporais fetais. Os dados de Roussis et al 9 também confirmam os nossos resultados, pois os autores verificaram que a ausência de movimentos corpóreos fetais foi bastante específica para a presença de corioamnionite e infecção neonatal, com valor preditivo positivo de 100%.…”

Section: Moraes Jr Et Alunclassified

“…O valor do PBF em paciente com RPM foi também testado por Roussis et al 9 , que o realizaram diariamente. O resultado da gestação refletido pelo desenvolvimento de corioamnionite clínica e/ou septicemia neonatal foi correlacionado com os componentes individuais do PBF.…”

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Perfil Biofísico Fetal na Ruptura Prematura das Membranas

Moraes¹,

Kulay²,

Bertini³

2000

Rev. Bras. Ginecol. Obstet.

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“…Even in the presence of a relatively constant resistance index the imminent ovulation might be revealed by the pronounced increase in the peak systolic blood flow velocity [4]. This 0.44 ± 0.04** 0.04 ± 0.06 0.45 ± 0.04 0.44 ± 0.04 0.43 ± 0.04 0.46 ± 0.07 0.47 ± 0.04 0.47 ± 0.04 0.48 ± 0.02 0.48 ± 0.02 0.47 ± 0.02 0.48 ± 0.04 0.49 ± 0.04 0.51 ± 0.01 0.50 ± 0.02 may be due to angiogenesis and dilatation of these newly formed vessels between vascular theca cell layer and hypoxic granulosa cell layer of the follicle [14]. Disruption of these vascular changes has profound effects on the oxygen concentration across the follicular epithelium.…”

Section: Preovulatory Follicle and Follicular Blood Flow During Ovulamentioning

confidence: 99%

Review articles

Kupešić

1996

Jpme

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Transvaginal color Doppler has made possible to study ovarian and uterine perfusion in non-pregnant and pregnant patients, thus advancing the understanding of the early human development. RI of follicular blood flow starts decreasing prior to ovulation reaching its nadir at ovulation. It is considered that apart from hormonal factors the angiogenesis is also involved. The mature corpus luteum shows increased blood flow velocity in relation to preovulatory follicle. Comparing RI values of luteal blood flow of normal and ectopic pregnancy no difference was found. But in threatened, incomplete and missed abortions the resistance and pulsatility indices were significantly higher than in normal pregnancy. The follow up of the luteal flow might have a prognostic value in a group of patients with threatened abortion. In women with spontaneous cycles the day preceding the ovulation impedance to uterine flow velocity starts decreasing. Alterations in flow velocity patterns of the radial and spiral arteries in spontaneous ovulatory cycles are paralleling blood flow dynamics of the uterine arteries. In stimulated cycles RI increases the day before ovulation in both the uterine arteries and their branches. It seems that endometrial perfusion presents more accurate noninvasive assay of uterine receptivity than uterine artery perfusion alone. Endometrial receptivity is maximum during the time of peak luteal function during which implantation is most likely to occur. During the pregnancy impedance to blood flow decrease from the main uterine to the spiral arteries as well as with the advancing gestational age. The spiral arteries in pregnancy become the vessels with completely different haemodynamic characteristics in relation to other arteries of uteroplacental circulation. Color Doppler adds new information on perfusion and pathophysiological changes connected with the ectopic trophoblast implantation.

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Pre term premature rupture of membranes: Detection of infection

Cited by 30 publications

References 11 publications

Chorioamnionitis does not affect fetal urine production in patients with premature rupture of membranes

Chorioamnionitis does not affect fetal urine production in patients with premature rupture of membranes

Perfil Biofísico Fetal na Ruptura Prematura das Membranas

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