Application of 16 G needle as puncture sheath in real-time ultrasound-guided spinal anesthesia with paramedian transverse approach: a randomized controlled trial

Status

Recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2300068702

Enrollment

Unknown

Registered

2023-02-27

Start date

2023-02-27

Completion date

Unknown

Last updated

2023-05-22

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

Conditions

Caesarean section

Interventions

NS group:Using a 16G needle as puncture guide sheath in real-time ultrasound-guided subarachnoid anesthesia

Control group:Using 25G lumbar anesthesia needle derectly in real-time ultrasound-guided subarachnoid anesthesia

Eligibility

Sex/Gender

Female

Age

18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1.ASA I-II; 2.age 18-45 years; 3 BMI: 18 ~ 28 kg/m2; 4. Gestational age =37 weeks; 4 Elective cesarean section.

Exclusion criteria

Exclusion criteria: 1. Pations with lumbar trauma or lumbar surgery; 2. local infection at the site of injection; 3. Coagulation dysfunction; 4. Severe cardiopulmonary insufficiency or severe hypovolemia; 5 allergy to local anaesthetics; 6 Neurological diseases.

Design outcomes

Primary

Measure	Time frame
number of needle passes;	—

Secondary

Measure	Time frame
procedure time;number of attepts;success rate at the first needle pass/within 2 passes;pain intensity during the puncture;success rate at the first insertion attempt/within 2 attempts;pations satisfaction with the puncture procedure;Adverse reactions;	—

Countries

China

Contacts

Public ContactQingqingQian

Nanjing Maternity and Child Health Care Hospital

kite-runner@hotmail.com13951712583

Outcome results

None listed

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