Minimum effective volume of ropivacaine for ultrasound-guided adductor canal block combined with IPACK block in total knee arthroplasty

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100052731

Enrollment

Unknown

Registered

2021-11-04

Start date

2021-11-20

Completion date

Unknown

Last updated

2022-08-16

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

Conditions

Osteoarthritis of the knee

Interventions

Experimental group:ACB and IPACK blocking

Eligibility

Sex/Gender

All

Age

40 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Patients who need unilateral primary total knee arthroplasty (TKA) due to severe knee osteoarthritis; 2. Aged 40-80 years; 3. The preoperative American Society of Anesthesiologists (ASA) classification (anesthesia risk assessment) was grade I-III.

Exclusion criteria

Exclusion criteria: 1. Those who are allergic to anesthetics and sulfonamides; 2. There is moderate or higher knee joint deformity (varus and flexion) and joint stiffness; 3. Those who drink heavily or take opioids for a long time; 4. Language barriers and those who cannot complete the numerical rating scales (NRS) of pain; 5. Patients with neuropathy on the side of the operation; 6. Mental patients; 7. Those with previous peptic ulcer.

Design outcomes

Primary

Measure	Time frame
Whether the nerve block was successful;	—

Countries

China

Contacts

Public ContactYang Jing

550298001@qq.com+86 18280213153

Outcome results

None listed

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