Comparison of the plasma levobupivacaine concentrations after ultrasound-guided paravertebral block and paravertebral lamina technique.

Comparison of the plasma levobupivacaine concentrations after ultrasound-guided paravertebral block and paravertebral lamina technique. - Comparison of the plasma levobupivacaine concentrations after ultrasound-guided paravertebral block and paravertebral lamina technique.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021759

Enrollment

100

Registered

2016-04-04

Start date

2016-04-04

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Breast surgery

Interventions

We perform the paravertebral block and measure plasma concentration of levobupivacaine. We perform the paravertebral lamina block and measure plasma concentration of levobupivacaine.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients whose American Society of Anesthesiologists Physical Status are 1-3, planned to Breast surgery and agree to paravertebral block for postoperative analgesia are enrolled in this study.

Exclusion criteria

Exclusion criteria: Exclude criteria are the patients who have local anesthetic allergy or peripheral neuropathy or coagulation abnormality liver dysfunction(child-pugh score>B), renal dysfunction (eGFR<60)

Design outcomes

Primary

Measure	Time frame
The time course of the levobupivacaine concentration	—

Countries

Japan

Contacts

Public ContactTakahiro Sugiura

National hospital organization Tokyo medical center Anesthesiology

sugiura.takahiro@navy.plala.or.jp03-3411-0111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026