The natural history of a positive response to transfundal pressure in women at risk for cervical incompetence

Guzman, Edwin R.; Vintzileos, Anthony M.; McLean, David; Martins, Maria Eliana Pierre; Benito, Carlos; Hanley, Maryellen L.

doi:10.1016/s0002-9378(97)70560-x

Cited by 64 publications

(32 citation statements)

References 5 publications

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“…Presence of short cervix (<25 mm) or funneling should be investigated (17) . In the presence of funneling with a funnel width>10 mm and a cervix length<20 mm or a progressive cervical shortening in the weekly investigation, cerclage operation is recommended (18)(19)(20) . In our study, funneling was determined in 4 patients in transvaginal ultrasonography follow up..…”

Section: Discussionmentioning

confidence: 99%

“…In a meta-analysis containing 4 randomized studies, it was determined that cerclage is beneficial in the pregnant women within the [16][17][18][19][20][21][22][23] gestational weeks with single pregnancy, preterm birth history and short cervix length (21) . In another randomized study, it was observed that cerclage is also beneficial in the cases with cervical length<15mm.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Emergency Cervical Cerclage: A Case Series

Doruk¹,

Dilek²,

Durukan³

et al. 2011

J Turk Soc Obstet Gynecol

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Emergency Cervical Cerclage: A Case Series

Doruk¹,

Dilek²,

Durukan³

et al. 2011

J Turk Soc Obstet Gynecol

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“…Situations that are associated with increases in hydrostatic pressure during pregnancy such as polyhydramnios, a condition of excessive amniotic fluid, are associated with preterm birth [110]. An increase in intrauterine hydrostatic pressure occurs with the application of fundal pressure (pushing on the top portion of the uterus), and can also be associated with cervical change and deformation [111]. It is well documented that the uterus irregularly contracts throughout gestation [112].…”

Section: Description Of the 2dmentioning

confidence: 99%

System-Level Biomechanical Approach for the Evaluation of Term and Preterm Pregnancy Maintenance

Mahmoud

Johnson

Chien

et al. 2013

Journal of Biomechanical Engineering

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Preterm birth is the primary contributor to perinatal morbidity and mortality, with those born prior to 32 weeks disproportionately contributing compared to those born at 32-37 weeks. Outcomes for babies born prematurely can be devastating. Parturition is recognized as a mechanical process that involves the two processes that are required to initiate labor: rhythmic myometrial contractions and cervical remodeling with subsequent dilation. Studies of parturition tend to separate these two processes rather than evaluate them as a unified system. The mechanical property characterization of the cervix has been primarily performed on isolated cervical tissue, with an implied understanding of the contribution from the uterine corpus. Few studies have evaluated the function of the uterine corpus in the absence of myometrial contractions or in relationship to retaining the fetus. Therefore, the cervical-uterine interaction has largely been neglected in the literature. We suggest that a system-level biomechanical approach is needed to understand pregnancy maintenance. To that end, this paper has two main goals. One goal is to highlight the gaps in current knowledge that need to be addressed in order to develop any comprehensive and clinically relevant models of the system. The second goal is to illustrate the utility of finite element models in understanding pregnancy maintenance of the cervical-uterine system. The paper targets an audience that includes the reproductive biologist/clinician and the engineer/physical scientist interested in biomechanics and the system level behavior of tissues.

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“…They suggested that this was the earliest sign of cervical incompetence and therefore identification of high-risk cases. 10,12,13 Maternal postural challenge and straining have also been performed by a few groups, 14,15 in order to examine the cervix more reliably, but these tests have a poor reproducibility .…”

Section: Technique For Cervical Assessment By Ultrasoundmentioning

confidence: 99%

“…Moreover, cervical ultrasonography was a better predictor of preterm delivery, than manual examination of the cervix. Guzman et al, 12 examined high-risk women by serial transvaginal cervical ultrasonography with transfundal pressure. Examinations were performed until the cervical length decreased to < 10 mm.…”

Section: Sonography Of the Cervix In High-risk Asymptomatic Womenmentioning

confidence: 99%

Screening for Preterm Labor

Benardis¹

2008

Donald School Journal of Ultrasound in Obstetrics and Gynecology

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The natural history of a positive response to transfundal pressure in women at risk for cervical incompetence

Cited by 64 publications

References 5 publications

Emergency Cervical Cerclage: A Case Series

Emergency Cervical Cerclage: A Case Series

System-Level Biomechanical Approach for the Evaluation of Term and Preterm Pregnancy Maintenance

Screening for Preterm Labor

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