Repair of Soft Tissue Defect of the Finger Using the Heterodigital Neurocutaneous Island Flap

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-01-31

Study Completion Date

2012-10-31

Brief Summary

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The dorsum of the finger is a reliable flap donor site in reconstructive hand surgery because of its similar quality to the original. The dorsal digital island flap can be used for repairing the defect of adjacent finger, but the limited length of the pedicle precludes its use for a more distal defect. The heterodigital neurocutaneous island flap of the dorsal branch of the digital nerve can be used as an alternative to resolve this problem.

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Detailed Description

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At final follow-up, we measured the sensibility of the flaps using the Semmes-Weinstein monofilament test and the static 2-point discrimination test. The test points were at the center of the radial or ulnar portion of the pulp. The donor site, i.e. radial- or ulnar-dorsal aspect of the middle phalanx of the donor digit, was also evaluated. Each area was tested 3 times with a Discriminator (Ali Med, Dedham, MA). We stopped at 4mm as a limit of 2PD and considered this normal.

Conditions

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Sensory Reconstruction of the Volar Aspect of the Finger The Heterodigital Neurocutaneous Island Flap

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Surgical flap

The neurocutaneous island flap is based on the dorsal branch of the digital nerve

Group Type EXPERIMENTAL

the neurocutaneous island flap

Intervention Type DEVICE

The neurocutaneous island flap of the dorsal branch of the digital nerve can be used for repair the defects of the proximal and middle phalanxes of adjacent fingers.

Interventions

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the neurocutaneous island flap

The neurocutaneous island flap of the dorsal branch of the digital nerve can be used for repair the defects of the proximal and middle phalanxes of adjacent fingers.

Intervention Type DEVICE

Other Intervention Names

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dorsal digital island flap

Eligibility Criteria

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Inclusion Criteria

* the soft tissue defects involving the middle phalanx, the proximal interphalangeal joint, or both;
* a defect greater than or equal to 2 cm in length;
* a patient between 15 and 60 years of age.

Exclusion Criteria

* concomitant injuries to the dorsal skin of the middle phalanx of adjacent finger that precluded its use as donor site;
* injuries to the course of donor nerve branch;
* a defect less than 1.5 cm in length;
* a fingertip or pulp defect;
* a soft tissue defect of the thumb.

Minimum Eligible Age

15 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes