It was reported via journal article: title: "clinical implication of intra-amniotic sludge on ultrasound in patients with cervical cerclage." authors: l.A.Gorski, w.H.Huang, b.K.Iriye and j.Hancock.Citation: ultrasound obstet gynecol.2010; 36: 482¿485.Doi: 10.1002/uog.7675.The aim of this study was to determine whether intra-amniotic (ia) sludge, a sonographic finding of hyperechoic matter in the amniotic fluid close to the internal cervical os, is associated with preterm delivery in patients with cervical cerclage.A retrospective cohort study of 177 patients who underwent mcdonald cerclage between january 1997 and december 2004 was conducted, of which, 60 patients (maternal age: 30.8 ± 5.4) had sonographic evidence of ia sludge (group 1) and 117 patients (maternal age: 29.6 ± 5.2) had absence of ia sludge (group 2).During the surgical procedure, cerclage was placed with a single mersilene 5-mm tape (ethicon) utilizing the mcdonald technique.In both groups, reported complications included vaginal bleeding (n-29; group 1: n-10 and group 2: n-19), preterm premature rupture of membranes (n-6; group 1: n-5 and group 2: n-1), and chorioamnionitis (n-3; group 1: n-2 and group 2: n-1).It was reported that ia sludge on ultrasound is not associated with an increased risk of preterm delivery in patients with cervical cerclage.The authors should exercise caution when treating patients with the sonographic finding of ia sludge and maintain the same level of vigilance as for any patient with an increased risk for preterm labor and delivery.
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