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The Half Effective Volume (EV50) of Ropivacaine for Ultrasound-Guided Thoracic Transverse Muscle Planar Block

The Half Effective Volume (EV50) of Ropivacaine for Ultrasound-Guided Thoracic Transverse Muscle Planar Block

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300073449
Enrollment
Unknown
Registered
2023-07-11
Start date
2023-09-20
Completion date
Unknown
Last updated
2025-01-13

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

Conditions

Cardiac Surgery

Interventions

Test group:Bilateral transverse thoracic muscle block was performed with 0.25% ropivacaine

Sponsors

Wenzhou Medical University Affiliated First Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Patients aged 20-60 years; 2. With intact anterior chest skin sensation; 3. ASA class I-II and elective open heart surgery were included.

Exclusion criteria

Exclusion criteria: 1. BMI 30 kg/m2; 2. Impaired communication and comprehension; 3. History of allergy to local anaesthetics; 4. Spinal deformity, peripheral neuropathy and abnormal spinal cord function.

Design outcomes

Primary

MeasureTime frame
Block extent;—

Secondary

MeasureTime frame
Ropivacaine blood concentration;—

Countries

China

Contacts

Public ContactChen Hongfei

Wenzhou Medical University Affiliated First Hospital

chhfei@126.com+86 136 9580 2515

Outcome results

None listed

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