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The value of the ratio of posterior complex length and puncture depth measured by ultrasound in predicting the difficult of performance of spinal anaesthesia in cesarean deliveries and the effect of real-time guidance by ultrasound on difficult puncture

The value of the ratio of posterior complex length and puncture depth measured by ultrasound in predicting the difficult of performance of spinal anaesthesia in cesarean deliveries and the effect of real-time guidance by ultrasound on difficult puncture

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200065171
Enrollment
Unknown
Registered
2022-10-30
Start date
2022-11-15
Completion date
Unknown
Last updated
2023-05-15

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

Conditions

Difficult intraspinal puncture

Interventions

Case group:None

Sponsors

Anhui Maternal and Child Health Care Hospital, Maternal and Child Health Care Hospital of Anhui Medical University, Hefei, 230001, China
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: Parturients who are scheduled for cesarean section under spinal anesthesia in the research stitution: 1) aged 20~40 years; 2) ASA I~III grade; 3) Singleton pregnancy

Exclusion criteria

Exclusion criteria: 1)rejection of spinal anesthesia 2)high risk pregnancy (eclampsia, placenta previa) 3)a history of spinal deformity or spinal surgery 4)contrain-dications to spinal anesthesia (infection of the puncture site, coagulation dysfunction, allergy to local anesthesia)

Design outcomes

Primary

MeasureTime frame
the length of posterior complex;the depth of puncture;Difficult puncture rate;—

Countries

China

Contacts

Public ContactShi jingfa

Anhui Maternal and Child Health Care Hospital, Maternal and Child Health Care Hospital of Anhui Medical University, Hefei, 230001, China

122357943@qq.com+86 13966988401

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 6, 2026