Increased diagnostic accuracy of fetal head station by use of transabdominal ultrasound

Iversen, J.K.; Eggebø, T. M.

doi:10.1111/aogs.13529

Cited by 9 publications

(7 citation statements)

References 4 publications

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“…We drew a line perpendicular to the upper point of the symphysis pubis (suprapubic line) and measured the distances from this line to the highest point of the fetal skull (Figure 3), as suggested previously. 21 The bladder should be empty.…”

Section: Methodsmentioning

confidence: 99%

“…Although transperineal ultrasound has been recommended in recent guidelines, 18 not all clinicians are comfortable with transperineal scanning. Iversen and Eggebø 21 suggested a transabdominal ultrasound approach similar to the clinical "fifth method" and compared the distance above and below the suprapubic line. However, the visualization of the lower part of the skull is often difficult at low stations because of shadowing from the symphysis pubis.…”

Section: Ajogorgmentioning

confidence: 99%

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Fetal head descent assessed by transabdominal ultrasound: a prospective observational study

Kamel

Negm

Kahrs³

et al. 2022

American Journal of Obstetrics and Gynecology

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BACKGROUND: Determining fetal head descent, expressed as fetal head station and engagement is an essential part of monitoring progression in labor. Assessing fetal head station is based on the distal part of the fetal skull, whereas assessing engagement is based on the proximal part. Prerequisites for assisted vaginal birth are that the fetal head should be engaged and its lowermost part at or below the level of the ischial spines. The part of the fetal head above the pelvic inlet reflects the true descent of the largest diameter of the skull. In molded (reshaped) fetal heads, the leading bony part of the skull may be below the ischial spines while the largest diameter of the fetal skull still remains above the pelvic inlet. An attempt at assisted vaginal birth in such a situation would be associated with risks. Therefore, the vaginal or transperineal assessments of station should be supplemented with a transabdominal examination. We suggest a method for the assessment of fetal head descent with transabdominal ultrasound. OBJECTIVE: To investigate the correlation between transabdominal and transperineal assessment of fetal head descent, and to study fetal head shape at different labor stages and head positions. STUDY DESIGN: Women with term singleton cephalic pregnancies admitted to the labor ward for induction of labor or in spontaneous labor, at

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Section: Methodsmentioning

confidence: 99%

Section: Ajogorgmentioning

confidence: 99%

Fetal head descent assessed by transabdominal ultrasound: a prospective observational study

Kamel

Negm

Kahrs³

et al. 2022

American Journal of Obstetrics and Gynecology

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“…76 The transabdominal ultrasound assessment of fetal head descent has been recently reexplored. 77 Transperineal ultrasound assesses the distal portion of the fetal head which can be misleading in cases of fetal head moulding as in case of digital vaginal examination. The transabdominal approach assesses the proximal part.…”

Section: Assessment Of Fetal Head Position and Stationmentioning

confidence: 99%

The usefulness of ultrasound before induction of labor

Kamel

Garcia

Poon

et al. 2021

American Journal of Obstetrics & Gynecology MFM

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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“…5,6 More recently, the use of intrapartum ultrasound has been suggested to be more accurate and reproducible than clinical examination in the diagnosis of fetal head position and station. [7][8][9][10][11] The rationale for the use of ultrasound before an instrumental vaginal delivery is that an accurate assessment of fetal head position and station may allow a more accurate placement of the vacuum or forceps device, thus potentially reducing the risk of perinatal complication associated with operative delivery. 12,13 Despite this, the actual role of ultrasound in improving the outcome of instrumental vaginal delivery has not yet been completely elucidated.…”

Section: Introductionmentioning

confidence: 99%

Ultrasound vs routine care before instrumental vaginal delivery: A systematic review and meta‐analysis

Mappa

Tartaglia

Maqina

et al. 2021

Acta Obstet Gynecol Scand

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Introduction:The objective was to report the role of intrapartum ultrasound examination in affecting maternal and perinatal outcome in women undergoing instrumental vaginal delivery.Material and methods: MEDLINE, Embase, CINAHL, Google Scholar and ClinicalTrial. gov databases were searched. Inclusion criteria were randomized controlled trials comparing ultrasound assessment of fetal head position vs routine standard care (digital examination) before instrumental vaginal delivery (either vacuum or forceps).

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Increased diagnostic accuracy of fetal head station by use of transabdominal ultrasound

Cited by 9 publications

References 4 publications

Fetal head descent assessed by transabdominal ultrasound: a prospective observational study

Fetal head descent assessed by transabdominal ultrasound: a prospective observational study

The usefulness of ultrasound before induction of labor

Ultrasound vs routine care before instrumental vaginal delivery: A systematic review and meta‐analysis

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