Clinical study of popliteal plexus block for analgesia after total knee arthroplasty

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200055535

Enrollment

Unknown

Registered

2022-01-11

Start date

2021-09-01

Completion date

Unknown

Last updated

2023-02-06

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

Conditions

Knee osteoarthritis

Interventions

PPB Group:PPB+CACB (popliteal plexus block+continuous adductor canal block)

Control Group:CACB (continuous adductor canal block)

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Patients requiring unilateral initial TKA surgery due to severe knee osteoarthritis; 2. Aged 18 to 80 years; 3. Body mass index 20~35 kg/m^2; 4. The American Society of Anesthesiologists (ASA) classification (anesthesia risk assessment) is I ~ III level.

Exclusion criteria

Exclusion criteria: 1. Allergic to anesthetic drugs and sulfa; 2. There were more than moderate intraoperative knee malformations (pronation and flexion malformations) and joint stiffness; 3. Alcoholic or long-term opioid users; 4. Language impairment and inability to perform the visual analogue scale(VAS); 5. Surgical limb neuropathy; 6. Mental patients; 7. Patients with previous gastrointestinal ulcer.

Design outcomes

Primary

Measure	Time frame
VAS pain score;	—

Secondary

Measure	Time frame
Range of knee motion;The duration of hospital stay; Incidence of postoperative complications;Gastrocnemius muscle strength;	—

Countries

China

Contacts

Public ContactWang Chunguang

Baoding First Central Hospital

783312286@qq.com+86 18617789771

Outcome results

None listed

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