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Anatomic variables to affect the difficult CEB

Ultrasonographic pre-evaluation as a screening tool for difficult caudal block

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0000474
Enrollment
100
Registered
2012-07-06
Start date
2011-09-29
Completion date
Unknown
Last updated
2019-03-11

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

Conditions

None listed

Interventions

None listed

Sponsors

The Catholic University of Korea, Seoul St. Mary's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: a. Patients who were to receive caudal epidural block due to low back pain or sciatica, or both are enrolled in this study.

Exclusion criteria

Exclusion criteria: a.Local infection b.Coagulopathies c.Operation history of sacrum or coccyx d.Inability to lie prone or in the lateral decubitus position

Design outcomes

Primary

MeasureTime frame
Difficulty of caudal epidural block;Distance from the skin to the apex of sacral hiatus;Depth of the sacral canal at the apex of sacral hiatus;Length of the sacrococcygeal ligament between the apex of sacral hiatus and sacral base;Distance from the skin to the apex of sacral cornu;Distance between apices of bilateral cornua;Ossification of the sacrococcygeal ligament;Procedure time;Number of needle passes—

Secondary

MeasureTime frame
body mass index—

Countries

Korea, Republic of

Contacts

Public ContactYounghoon Kim

The Catholic University of Korea, Seoul St. Mary's Hospital

Outcome results

None listed

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