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Reconstructive Techniques Library

Regional Flaps

A regional flap sits between a local flap and a free flap. Tissue is taken from a nearby part of the body and swung across to the wound, but it stays attached to its own artery and vein at the base. Nothing has to be joined under a microscope, so the operation is often shorter and the blood supply is known from the start.

Regional Flaps

Surgeons reach for these flaps when a defect is too big or too deep for neighbouring skin, and when there is a reliable donor area within arm reach of the problem. Muscle flaps bring bulk that fills dead space and helps control infection, while skin flaps give supple cover for joints and tendons. The reach of each flap is fixed by the position of its feeding vessels, and that reach is the main factor in choosing one.

How regional flaps compare

Each flap has a fixed pivot point, so it can only reach a defined area. Matching that reach to the defect is the first step in planning.

Technique
What it is used for
Trade offs
Pectoralis major flap
Wounds of the neck, lower face and front of the chest, including breastbone infections after heart surgery.
Reliable and quick with generous bulk, but it is heavy for the neck and leaves a contour hollow on the chest.
Latissimus dorsi flap
Large defects of the chest wall, shoulder, upper arm and breast, where broad muscle cover is required.
Covers a wide area dependably, though the patient must be turned during surgery and fluid can collect at the back donor site.
Gastrocnemius flap
Exposed bone, plate or joint around the knee and the upper third of the shin.
Straightforward and dependable in that zone, but its reach stops well short of the ankle and calf shape alters slightly.
Soleus flap
Wounds over the middle third of the shin where bone or hardware is exposed after fracture surgery.
Uses a deep muscle without sacrificing the main calf shape, though it is less reliable in older or badly injured limbs.
Sural artery flap
Defects of the heel, ankle and lower shin, using skin from the calf carried on vessels running with a nerve.
Reaches the ankle without microsurgery, but congestion of the flap is not uncommon and a nerve to the outer foot is sacrificed.
Groin and abdominal flaps
Hand and forearm injuries with exposed tendon or bone, where the limb is attached to the trunk for a period.
Provides supple cover with a hidden donor scar, at the cost of a second operation to divide it and temporary stiffness.

Treatments in this category

Related topics in this category

Pedicled versus free tissue

A pedicled flap keeps its original vessels and swings into place, while a free flap is detached and reconnected elsewhere. Pedicled options avoid microsurgery and are often quicker, but they can only reach so far, which is why both remain in regular use.

Muscle, skin or both

Muscle fills deep cavities and copes well with infection, while skin gives a durable, gliding surface over joints and tendons. Some flaps carry both layers together. The decision follows the depth of the wound and what has to slide over the repair.

Donor site healing

Every flap leaves a second wound. Some donor areas close directly with a line scar, others need a skin graft. Fluid collections, temporary weakness and altered sensation are the usual issues, and each is explained before surgery so there are no surprises.

Positioning and staged division

Certain flaps, particularly those joining the hand to the trunk, keep the limb strapped in one position for a period before the connection is divided. Physiotherapy starts as soon as it is safe, because stiffness is the main drawback of that waiting phase.

When to contact the team after flap surgery

Flap circulation and donor site problems both declare themselves early, so prompt reporting matters.

✦The flap becomes dusky, dark, cold or unusually pale.
✦Pain that climbs steadily instead of easing over the first days.
✦Increasing swelling at the donor site or fluid leaking from that wound.
✦Fever, chills or a wound that smells unpleasant.
✦The limb below the flap becomes numb, cold or difficult to move.
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Questions patients ask

Questions about regional flap reconstruction

These are the points most often discussed when a pedicled flap is recommended.

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The estimate reflects theatre time, anaesthesia, implants if any, hospital stay and whether a second stage is needed to divide the flap. Written figures are given after assessment. Reconstruction after trauma, infection or cancer is frequently covered by insurance.

It avoids the vessel joins that microsurgery requires, which removes one source of failure, and it is often shorter. Even so it carries the usual risks of bleeding, infection and partial flap loss, and the choice depends on the wound rather than on safety alone.

Hospital stay is usually several days, with restrictions on movement while the flap settles. Staged flaps need a further short admission. Return to work depends on the site and your job, and recovery can vary between individuals.

A muscle flap covered with a graft looks patch like at first and flattens over months. Skin flaps blend better but rarely match exactly in colour. Both the reconstructed area and the donor site leave lasting scars that soften with time.

Suitability depends on the position and depth of the wound, whether the feeding vessels of the chosen donor are intact and your general fitness. Previous surgery or radiation in the donor region may rule out particular flaps.

Exposed bone, tendon, joint or hardware should be covered without long delay, because they dry out and become infected. The timing is planned once the wound is clean, which sometimes means a short period of dressings first.

The wound is examined and photographed, circulation is checked and scans or previous notes are reviewed. Donor options are marked on the body and explained. The number of stages, expected stay, restrictions and risks are then set out clearly.

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