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The definition of ''L-hole'' puncture and its comparison with traditional spinal anesthesia in clinical application

Puncture through the ''L hole'' approach versus conventional landmark-guided midline for spinal anesthesia performed by novice residents: a randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100046836
Enrollment
Unknown
Registered
2021-05-29
Start date
2021-06-01
Completion date
Unknown
Last updated
2022-01-10

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

Conditions

None listed

Interventions

Control group:Traditional straight-through puncture of spinal canal
Experimental group:Puncture of spinal canal through L hole

Sponsors

The Second Hospital Affiliated to Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Undergoing spinal anesthesia; 2. ASA I-III; 3. Aged 18 to 70 years.

Exclusion criteria

Exclusion criteria: 1. Contraindications to spinal tap; 2. Scoliosis, osteoarthritis/osteodystrophy, history of lumbar surgery; 3. Local anesthetic allergy, puncture site infection, etc.

Design outcomes

Primary

MeasureTime frame
First puncture success rate;—

Secondary

MeasureTime frame
Number of punctures;Puncture time;Number of adjustments; Patient satisfaction;Incidence rate of adverse reaction;—

Countries

China

Contacts

Public ContactTian Zedan
tianzedan@163.com+86 15310989226

Outcome results

None listed

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