Does the preoperative abduction angle of transfemorally amputated patients correlate with postoperative lateral hip pain after treatment with transcutaneous osseointegrated prosthetic systems (TOPS)?

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00021670

Enrollment

Registered

2020-05-13

Start date

2020-01-01

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

Z89.9

Interventions

Group 1: Retrospective regression analysis of preoperative hip angles in full leg stance images to postoperative pain after connection of the exoprosthesis to the bone canal guided Endo-Fix style.

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Preoperative bilateral full-leg X-ray with shaft prosthesis, indication for TOPS-implantation

Exclusion criteria

Exclusion criteria: Inclusion criteria not present

Design outcomes

Primary

Measure	Time frame
Postoperative lateral hip pain after connecting the prosthesis and 4 weeks and 3 months later.	—

Secondary

Measure	Time frame
Number of revisions	—

Countries

Germany

Contacts

Public ContactAlexander Ranker

Medizinische Hochschule Hannover

ranker.alexander@mh-hannover.de0511532173241

Outcome results

None listed

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