Influence of posture on the incidence of vein cannulation in parturient

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1900024366

Enrollment

Unknown

Registered

2019-07-07

Start date

2019-08-01

Completion date

Unknown

Last updated

2019-12-16

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

Conditions

incidence of vein cannulation

Interventions

1:left lateral position

2:right lateral position

Eligibility

Sex/Gender

Female

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 18~40-year-old parturient woman who has been pregnant for more than 32 weeks.

Exclusion criteria

Exclusion criteria: 1. ASA IV, V, E; 2. BMI>28 before pregnancy; 3. gained more than 20kg of weight during pregnancy; 4. suffere varicose veins, coagulation disorders, maternal anemia or maternal hypertension; 5. refuse to cooperate; 6. with contraindication to epidural analgesia and receive more than two attempts to place the catheter (left lateral position group and right lateral position group); 7. contraindication to MRI scan (MRI scan group).

Design outcomes

Primary

Measure	Time frame
incidence of vein cannulation;vessels diameter;	—

Secondary

Measure	Time frame
analgesic effect;patients satisfaction;	—

Countries

China

Contacts

Public ContactLiu Changqing

The Second Xiangya Hospital of Central South University

1002440201@qq.com+86 13047211758

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026