Proximal Interphalangeal Joint Arthroplasty Using a Graft From the Capitate (PIPPC)

The Second Hospital of Qinhuangdao

Status: Completed

Conditions: Recurrent Dislocation of Hand

Treatments: Procedure: Capitate bone grafting

Study type: Interventional

Funder types: Other

Identifiers

NCT01479738

SHQ002

Details and patient eligibility

About

The capitate had a widened distal base. The distal articulation can be used for proximal interphalangeal (PIP) articula reconstruction.

Full description

Previous anatomical studies have shown that the capitate had a widened distal base. The distal articulation was mainly with the base of the third metacarpal and partially with the base of the second metacarpal. The articulation was slightly flattened with a convex and concave dorsal articular surface. The contour stimulates our imagination and creativity to use a portion of the articular surface for PIP arthroplasty.

Enrollment: 18 patients

Sex: All

Ages: 18 to 50 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. an articular defect at the proximal aspect of the PIP joint;
2. the defect larger than 5 mm × 5 mm in size based on intraoperative findings.

Exclusion criteria

1. large defects involved double joint surfaces;
2. the size of the defect less than 5 mm × 5 mm;
3. mult-digital articular defects that all required osteoarticular grafting;
4. associate with infection or other diseases that restrict to use the technique.

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: Single Blind

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18 participants in 1 patient group

Capitate bone grafting

Experimental group

Description:

18 patients with PIP joint defects were included in the study. There were 13 male and 5 female patients with a mean age of 31 years (range, 18-47 years). The injury occurred in the right hand in 11 patients and on the left hand in 7. The injured PIP joints were in the index finger (n=7), long finger (n=9), and ring finger (n=2).

Treatment:

Procedure: Capitate bone grafting