A study on factors associated with postoperative pain following total hip arthroplasty.

Preoperative factors associated with resting and walking pain following total hip arthroplasty. - PAP-THA study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000057703

Enrollment

200

Registered

2025-04-23

Start date

2025-04-21

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Osteoarthritis of the hip

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients receiving primary THA for hip osteoarthritis

Exclusion criteria

Exclusion criteria: Secondary osteoarthritis of the hip due to conditions such as femoral head necrosis Osteoarthritis of the hip caused by autoimmune diseases such as rheumatoid arthritis Cases with a history of contralateral total hip arthroplasty Cases undergoing revision total hip arthroplasty (THA) Cases with postoperative infection History of neurological disorders causing pain or numbness Cases in which rehabilitation therapy was discontinued for more than one week due to postoperative complications such as deep vein thrombosis (DVT)

Design outcomes

Primary

Measure	Time frame
Resting and walking pain (VAS) at 4 and 8 weeks postoperatively	—

Secondary

Measure	Time frame
Pain sensitivity (PPT) Physical function such as gait speed, joint range of motion, and muscle strength Pain-related quality of life (McGill Pain Questionnaire) Psychological factors such as PCS, TSK, and CSI	—

Countries

Japan

Contacts

Public ContactHiroo Matsuse

Kurume University Rehabilitation center

matsuse_hiroh@kurume-u.ac.jp0942353311

Outcome results