Comparison of minimal effective volume of subparaneural injection

Comparison of 0.375% and 0.75% ropivacaine for ultrasound - guided popliteal sciatic nerve block

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0001643

Enrollment

Registered

2015-10-01

Start date

2013-06-25

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

Drug : Patients are randomly assigned to receive 0.75% or 0.375% ropivacaine for ultrasound-guided subparaneural sciatic nerve block. We compare the minimal effective volume50 (MEV50) and effective do

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: American Society of Anesthesiologists (ASA) physical status: I, II 18–70 yr below knee surgery

Exclusion criteria

Exclusion criteria: patients with clinically significant coagulopathy infection at the injection site allergy to Local anesthetic, severe cardiopulmonary disease (ASA = 3) a body mass index > 35 kg/m2, diabetic or other neuropathy prior surgery in the popliteal region patients receiving opioids for chronic analgesic therapy

Design outcomes

Primary

Measure	Time frame
minimal effective volume50;effective dose(ED) - ED90, ED95, ED99	—

Secondary

Measure	Time frame
Onset for sensory and motor nerve block	—

Countries

Korea, Republic of

Contacts

Public ContactSeunguk Bang

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

seungukb@naver.com+82-42-220-9046

Outcome results