A Case of Sesamoid Displacement Causing the First Metacarpophalangeal Joint Locking (SDL)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01214798
Recruitment Status : Completed
First Posted : October 5, 2010
Last Update Posted : October 5, 2010
Information provided by:
The Second Hospital of Qinhuangdao

Brief Summary:
Traumatic sesamoid displacement of the first metacarpophalangeal joint can affect thumb function.

Condition or disease
Primary Disease

Detailed Description:
Although occurrence is rare, the mechanism of the displacement is commonly complex and varied. Understanding the mechanism is critical for treatment of the disorder. We herein present a locked thumb MCPJ caused by sesamoid displacement.

Study Type : Observational
Actual Enrollment : 1 participants
Observational Model: Case-Only
Time Perspective: Retrospective
Official Title: Study of the Second Hospital of Qinhuangdao
Study Start Date : January 2008
Actual Primary Completion Date : January 2008
Actual Study Completion Date : April 2010

Information from the National Library of Medicine

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Ages Eligible for Study:   20 Years to 70 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
1 person

Inclusion Criteria:

  • Traumatic sesamoid displacement

Exclusion Criteria:

  • Pathologic sesamoid disorder

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01214798

Sponsors and Collaborators
The Second Hospital of Qinhuangdao
Study Chair: Chenlin Li, M.D. Second Hospital of Qinhuangdao

Responsible Party: The Second Hospital of Qinhuangdao Identifier: NCT01214798     History of Changes
Other Study ID Numbers: SecondQinhuangdao201010
First Posted: October 5, 2010    Key Record Dates
Last Update Posted: October 5, 2010
Last Verified: October 2010

Keywords provided by The Second Hospital of Qinhuangdao:
sesamoid displacement,
metacarpophalangeal joint,
radial condylar ridge of the metacarpal head.