Prenatal US Assessment of Superior Mesenteric Vessels for Digestive Rotation

Prenatal Ultrasound Assessment of the Relative Position of the Superior Mesenteric Artery and Vein to Define the Status of Digestive Rotation: a Prenatal Tool of Intestinal Malrotation Diagnosis?

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT05204771

Acronym

SMA

Enrollment

Registered

2022-01-24

Start date

2021-06-01

Completion date

2021-10-01

Last updated

2022-01-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Singleton-Merten Syndrome, Postnatal Complication

Keywords

Evolution and complication, Mesenteric vessels positionning, 3rd ultrasound examination, Pediatric follow up +/- treatment

Brief summary

Digestive malrotation is an anatomical anomaly of the positionning of the mesenteric vessels and the digestive tract that can lead in some form to a dangerous neonatal complication: intestinal volvulus. This requires emergency surgery with a risk of digestive resection. Visualizing during pregnancy the normal or abnormal anatomical positionning of the mesenteric vessels could make it possible to diagnose this malrotation and prevent the occurrence of this complication. The aim of the study is ti evaluate the ability to identiy prenataly during ultrasound examination, the relative positionning of the fetal mesenteric vessels, and then to correlate it with the real postnatal positionning (gold standard)

Detailed description

* Prenatal US assessment of mesenteric vessels positioning (relative position of the vein vs artery) during routine 3rd trimester US scan * Description of various anatomical situation * Comparison of this prenatal positioning with postnatal positioning obtained through abdominal ultrasound examination. Post-natal ultrasound being the gold standard

Interventions

OTHERUltrasound exam

Ultrasound exam

OTHERPostnatal abdominal ultrasound

Postnatal abdominal ultrasound

OTHERPediatric Follow up

Pediatric Follow up

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

FEMALE

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* Pregnant women attending for 3rd trimester ukltrasound * Uneventfull pregnancy * No foetal malformation * Singleton pregnancy * Age \>18 years

Exclusion criteria

\- Other condition

Design outcomes

Primary

Measure	Time frame	Description
Prenatal ultrasound evaluation	day 1	Prenatal ultrasound evaluation, during 3rd trimester routine scan, of the relative positioning of the superior mesenteric vein in comparison to the superior mesenteric artery

Secondary

Measure	Time frame	Description
Prenatal ultrasound evaluation	day 1	Prenatal ultrasound evaluation, during 3rd trimester routine scan, of the relative positioning of the superior mesenteric artery in comparison to the superior mesenteric vein

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026