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Posterior interosseous island forearm flap.

E A Zancolli¹, C Angrigiani

¹Rehabilitation Center, Buenos Aires, Argentina.

Journal of Hand Surgery (Edinburgh, Scotland)

|May 1, 1988

Summary

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A dorsal forearm island flap, based on posterior interosseous artery vascularity, offers a reliable option for hand and wrist reconstruction. This thin flap provides excellent circulation and allows primary donor site closure for defects up to 4 cm.

Area of Science:

Plastic Surgery
Microsurgery
Vascular Anatomy

Background:

The dorsal forearm's vascular supply originates from the posterior interosseous artery.
Anatomical understanding allows for the creation of specific surgical flaps.

Purpose of the Study:

To describe the utility of a dorsal forearm island flap for hand and wrist reconstruction.
To evaluate the flap's efficacy and advantages in clinical application.

Main Methods:

Harvesting a dorsal forearm island flap based on the distal anastomosis of interosseous arteries.
Transferring the flap to reconstruct skin defects on the hand, first web space, and wrist.
Assessing flap viability, circulation, and donor site closure.

Main Results:

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The flap demonstrated reliable transferability for various hand and wrist defects.
Key advantages include thinness, excellent vascularity, and potential for primary donor site closure (up to 3-4 cm width).
Satisfactory outcomes were achieved in 25 treated patients.

Conclusions:

The dorsal forearm island flap is a valuable and effective reconstructive option for specific hand and wrist defects.
Its inherent vascularity and thinness make it ideal for restoring form and function.
The procedure offers a good balance between reconstructive benefit and donor site morbidity.