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A Randomized Controlled Trial Assessing the Efficacy of iPACK (Interspace Between the Popliteal Artery and Capsule of the Knee) Block for Postoperative Analgesia in Simultaneous Bilateral Total Knee Arthroplasty

A Randomized Controlled Trial Assessing the Efficacy of iPACK (Interspace Between the Popliteal Artery and Capsule of the Knee) Block for Postoperative Analgesia in Simultaneous Bilateral Total Knee Arthroplasty

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20210223002
Enrollment
40
Registered
2021-02-23
Start date
2021-02-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

postoperative pain after total knee arthroplasty knee function recovery complications total knee arthroplasty bilateral one-stage Interspace Between the Popliteal Artery and Capsule of the Knee (iPACK) periarticular injection (PAI) postoperative analgesia

Interventions

The knee receive periarticular injection (PAI) into the anterior compartment of the knee (pes anserinus, medial & lateral retinaculum, quadriceps muscle),The knee receive both iPACK and periarticular
Active Comparator Procedure/Surgery,Active Comparator Procedure/Surgery
PAI or control,PAI + iPACK

Sponsors

None listed

Eligibility

Sex/Gender
All
Age
20 Years to 85 Years

Inclusion criteria

Inclusion criteria: primary osteoarthritis of bilateral knee

Exclusion criteria

Exclusion criteria: prior knee infection prior knee surgery secondary OA knee

Design outcomes

Primary

MeasureTime frame
Postoperative pain intensity 6, 12, 24, 48, 72 hours after the surgery Visual analog scales,morphine consumption 24, 48 hours after the surgery record via Patient control analgesia (PCA)—

Secondary

MeasureTime frame
range of knee motion 24, 48, 72 hours after the surgery goniometer,SLR 24, 48, 72 hours after the surgery goniometer—

Countries

Thailand

Contacts

Public ContactArtit Laoruengthana

Faculty of Medicine, Naresuan University

artitlao@gmail.com0851102799

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026