Sonographic prediction of vaginal delivery in prolonged labor: a two‐center study

Eggebø, Torbjørn Moe; Hassan, Wassim A.; Salvesen, Kjell Å.; Lindtjørn, Elsa; Lees, C.

doi:10.1002/uog.13210

Cited by 88 publications

(90 citation statements)

References 24 publications

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“…Eggebo et al examine the same parameters on 150 primiparas in the prolonged first stage of labor. They draw the conclusions that both parameters contribute important information about the likelihood of a vaginal delivery and correlate with the time until the completion of delivery [19].…”

Section: Discussionmentioning

confidence: 99%

Evaluation of selected ultrasonography parameters in the second stage of labor in prediction mode of delivery

Ciaciura-Jarno¹,

Cnota²,

Wójtowicz³

et al. 2016

Ginekol Pol

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Objectives: The aim of the study is to determine the usefulness of ultrasound parameters in the second stage of labor in prediction of the method of delivery and to evaluate the benefits to be derived from this study. Material and methods:Ultrasound scan was performed with Convex transabdominal probe on 68 pregnant women in labor at term with fetuses in cephalic presentation at the beginning of the second stage of labor and parameters such as angle of progression, head progression distance, head-symphysis distance and head-perineum distance were measured. The parameters were observed in two scans: a midline scan visualizing the pubic symphysis with the head of the fetus and a transverse scan approximately 1-2 cm below the pubic symphysis visualizing the head of the fetus. Results:The ultrasound parameters measured at the beginning of the second stage of labor, differed in the group in which women have delivered vaginally and in the group, in which caesarean section was performed: angle of progression and head progression distance were greater in group of women who delivered naturally and head-perineum distance and head-symphysis distance were smaller in this group. Some relations between each measured parameter and time left to delivery were observed as well as strong relations among parameters were also observed. Conclusions:Intrapartum sonography is a useful and objective tool to assess the progress of labor. Transperineal ultrasound scans performed in the second stage of labor may play a role in making the decision about the mode of delivery.

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Section: Discussionmentioning

confidence: 99%

Evaluation of selected ultrasonography parameters in the second stage of labor in prediction mode of delivery

Ciaciura-Jarno¹,

Cnota²,

Wójtowicz³

et al. 2016

Ginekol Pol

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“…10,13,14 In others studies an AOP of 120° and 110° have been used as a cutoff. 8,12 In present study we found that the cutoff value of 105° was predictive of vaginal delivery, and this range of 15° difference may be due to interobserver variation.…”

Section: Discussionmentioning

confidence: 43%

“…The HPD cutoff value for prediction of vaginal delivery was chosen in accordance with other studies, and the AOP cutoff value was calculated from the predictive value found in this study. 12 The examination was conducted with a Philips VISIQ ultrasound system. The ultrasound transducer was covered with gel and a sterile glove, and pressed firmly to the labia majora when obtaining the measurements.…”

Section: Methodsmentioning

confidence: 99%

Intrapartum ultrasound to predict vaginal labor: a prospective cohort study

Ingeberg¹,

Miskova²,

Andzane³

2017

Int J Reprod Contracept Obstet Gynecol

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Background: Non-invasive transperineal ultrasound has been used to detect the descent of the fetal head using head-perineum distance (HPD) and angle of progression (AOP). The aim was to evaluate HPD and AOP as predictors of vaginal delivery in the first stage of labor.Methods: This was a prospective cohort study in Riga Maternity Hospital in Latvia from May till August 2016. The study included only nulliparous women with singleton pregnancies and cephalic presentation. Ultrasound was used to measure HPD and AOP. Data was collected on demographics, labor parameters and outcome.Results: Of 36 women enrolled, 26 (72.2%) had a vaginal delivery. The area under the receiver–operating characteristics curve for the prediction of vaginal delivery was 0.865 (95% confidence interval (CI) 0.75-0.98) using HPD as the test variable and the area under the curve was 0.877 (95% CI 0.77-0.99) for AOP. The median HPD was lower in the women delivering vaginally than in the women delivering by cesarean section (P<0.001). HPD was ≤40 mm in 18 (50%) women, of whom all delivered vaginally. HPD was >40 mm in the other 18 women, of whom 8 (22.2%) delivered vaginally (P<0.001). AOP was ≥105° in 22 (61.1%) women and, of these, 21 delivered vaginally. AOP was <105° in the other 14 (38.9%) women, of whom 5 delivered vaginally (P<0.001).Conclusions: HPD ≤40 mm and AOP ≥105° are both predictive of vaginal delivery in the first stage of labor.

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“…The angle of progression was describe by Barbera et al 10 who showed that an angle of at least 120° was always associated with subsequent spontaneous vaginal delivery with a good intraand inter-observer variability. Torkildsen et al 11 and Eggebo et al 12 reported that for primiparous women with prolonged first stage of labor, the AOP could predict the probability of a vaginal delivery being the optimal cut-off 110°. Kalache et al 13 reported that for pregnant women in a prolonged second stage of labor, there is a 90% chance of vaginal delivery with an AOP of 120°.…”

Section: Discussionmentioning

confidence: 99%

Mueller-Hillis maneuver and angle of progression: Are they correlated?

Mendes

Silva

Martins

et al. 2017

Rev. Assoc. Med. Bras.

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Objective: Mueller-Hillis maneuver (MHM) and angle of progression (AOP) measured by transperineal ultrasound have been used to assess fetal head descent during the second stage of labor. We aimed to assess whether AOP correlates with MHM in the second stage of labor. Method: A prospective observational study including women with singleton pregnancy in the second stage of labor was performed. The AOP was measured immediately after the Mueller-Hillis maneuver. A receiver-operating characteristics (ROC) curve analysis was performed to determine the best discriminatory AOP cut-off for the identification of a positive MHM. A p-value less than 0.05 was considered statistically significant. Results: One hundred and sixty-six (166) women were enrolled in the study and 81.3% (n=135) had a positive MHM. The median AOP was 143° (106° to 210°). The area under the curve for the prediction of a positive maneuver was 0.619 (p=0.040). Derived from the ROC curve, an AOP of 138.5° had the best diagnostic performance for the identification of a positive MHM (specificity of 65% and a sensitivity of 67%). Conclusion: An AOP of 138° seems to be associated with a positive MHM in the second stage of labor.Keywords: second stage of labor, angle of progression, Mueller-Hillis maneuver, intrapartum, ultrasonography.

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Sonographic prediction of vaginal delivery in prolonged labor: a two‐center study

Abstract: Objective To investigate whether head-perineum distance (HPD) measured by transperineal ultrasound is predictive of vaginal delivery and time remaining in labor in nulliparous women OR, 3.11; 95% CI, 3.36; 95% CI, and spontaneous onset of labor (OR, 4.44; 95% CI,

Cited by 88 publications

References 24 publications

Evaluation of selected ultrasonography parameters in the second stage of labor in prediction mode of delivery

Evaluation of selected ultrasonography parameters in the second stage of labor in prediction mode of delivery

Intrapartum ultrasound to predict vaginal labor: a prospective cohort study

Mueller-Hillis maneuver and angle of progression: Are they correlated?

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