Plantar Forces Mid-term After Hemiarthroplasty With HemiCap for Hallux Rigidus

Overview

The purpose of this study is to examine variabel pressure gradients of the 1st toe, 2-5th toes and the metatarsal distal caput in patients who have had surgery with a partial proximal hemiarthroplasty in the 1st metatarsalphalangeal joint (MTP) between 2006-2014. Also, to examine these variables and compare them to the totalt range of motion and pain, to find out if the measured pedobar pressure can be used identify the well treated patient and the poorly treated patient. The pedobar pressure gradients will be compared with a control group with healthy feet.

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Cross-Sectional
  • Study Primary Completion Date: February 2017

Interventions

  • Other: x-ray and pedobar foot pressure mapping

Clinical Trial Outcome Measures

Primary Measures

  • Plantar forces under the hallux and the forefoot in patients operated with a hemiCAP in the 1st MTPJ.
    • Time Frame: One examination for each patient, approximately 30 min.
    • Plantar forces are measured under the hallux and the forefoot (plantar pressure (kPa), maximal force (N), and force/time (N/s)) is measured by the Emed foot pressure mapping system.

Secondary Measures

  • Range of motion (degrees)
    • Time Frame: One examination for each patient, approximately 30 min.
    • Unit: degrees. ROM of the hemicap operated 1st MTPJ
  • Level of pain
    • Time Frame: One examination for each patient, approximately 30 min.
    • Visual analog scale, 1-10 of the hemicap operated foot

Participating in This Clinical Trial

Inclusion Criteria

  • patients who has hemicap 1. MTP joint. Exclusion Criteria:

  • patients who haad revision surgery, for example removal of hemicap and desis og 1. MTP joint.

Gender Eligibility: All

Minimum Age: N/A

Maximum Age: N/A

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • Copenhagen University Hospital, Hvidovre
  • Provider of Information About this Clinical Study
    • Principal Investigator: Pernille Henszelman Jørsboe, Reservelæge – Copenhagen University Hospital, Hvidovre

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